diff options
25 files changed, 2503 insertions, 1533 deletions
@@ -146,21 +146,22 @@ mega.build.variant=mega ############################################################## -#leonardo.name=Arduino Leonardo -#leonardo.upload.protocol=arduino -#leonardo.upload.maximum_size=28672 -#leonardo.upload.speed=1200 -#leonardo.bootloader.low_fuses=0xde -#leonardo.bootloader.high_fuses=0xd8 -#leonardo.bootloader.extended_fuses=0xcb -#leonardo.bootloader.path=diskloader -#leonardo.bootloader.file=DiskLoader-Leonardo.hex -#leonardo.bootloader.unlock_bits=0x3F -#leonardo.bootloader.lock_bits=0x2F -#leonardo.build.mcu=atmega32u4 -#leonardo.build.f_cpu=16000000L -#leonardo.build.core=arduino -#leonardo.build.variant=leonardo +leonardo.name=Arduino Leonardo +leonardo.upload.protocol=avr109 +leonardo.upload.maximum_size=28672 +leonardo.upload.speed=57600 +leonardo.upload.disable_flushing=true +leonardo.bootloader.low_fuses=0xff +leonardo.bootloader.high_fuses=0xd8 +leonardo.bootloader.extended_fuses=0xcb +leonardo.bootloader.path=caterina +leonardo.bootloader.file=Caterina.hex +leonardo.bootloader.unlock_bits=0x3F +leonardo.bootloader.lock_bits=0x2F +leonardo.build.mcu=atmega32u4 +leonardo.build.f_cpu=16000000L +leonardo.build.core=arduino +leonardo.build.variant=leonardo ############################################################## @@ -171,8 +172,8 @@ mega.build.variant=mega #micro.bootloader.low_fuses=0xde #micro.bootloader.high_fuses=0xda #micro.bootloader.extended_fuses=0xcb -#micro.bootloader.path=diskloader -#micro.bootloader.file=DiskLoader-Micro.hex +#micro.bootloader.path=caterina +#micro.bootloader.file=Caterina-Micro.hex #micro.bootloader.unlock_bits=0x3F #micro.bootloader.lock_bits=0x2F #micro.build.mcu=atmega32u4 diff --git a/bootloaders/caterina/Caterina.c b/bootloaders/caterina/Caterina.c new file mode 100755 index 0000000..0cb9590 --- /dev/null +++ b/bootloaders/caterina/Caterina.c @@ -0,0 +1,710 @@ +/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2011.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.lufa-lib.org
+*/
+
+/*
+ Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+ Permission to use, copy, modify, distribute, and sell this
+ software and its documentation for any purpose is hereby granted
+ without fee, provided that the above copyright notice appear in
+ all copies and that both that the copyright notice and this
+ permission notice and warranty disclaimer appear in supporting
+ documentation, and that the name of the author not be used in
+ advertising or publicity pertaining to distribution of the
+ software without specific, written prior permission.
+
+ The author disclaim all warranties with regard to this
+ software, including all implied warranties of merchantability
+ and fitness. In no event shall the author be liable for any
+ special, indirect or consequential damages or any damages
+ whatsoever resulting from loss of use, data or profits, whether
+ in an action of contract, negligence or other tortious action,
+ arising out of or in connection with the use or performance of
+ this software.
+*/
+
+/** \file
+ *
+ * Main source file for the CDC class bootloader. This file contains the complete bootloader logic.
+ */
+
+#define INCLUDE_FROM_CATERINA_C
+#include "Caterina.h"
+
+/** Contains the current baud rate and other settings of the first virtual serial port. This must be retained as some
+ * operating systems will not open the port unless the settings can be set successfully.
+ */
+static CDC_LineEncoding_t LineEncoding = { .BaudRateBPS = 0,
+ .CharFormat = CDC_LINEENCODING_OneStopBit,
+ .ParityType = CDC_PARITY_None,
+ .DataBits = 8 };
+
+/** Current address counter. This stores the current address of the FLASH or EEPROM as set by the host,
+ * and is used when reading or writing to the AVRs memory (either FLASH or EEPROM depending on the issued
+ * command.)
+ */
+static uint32_t CurrAddress;
+
+/** Flag to indicate if the bootloader should be running, or should exit and allow the application code to run
+ * via a watchdog reset. When cleared the bootloader will exit, starting the watchdog and entering an infinite
+ * loop until the AVR restarts and the application runs.
+ */
+static bool RunBootloader = true;
+
+/* Pulse generation counters to keep track of the time remaining for each pulse type */
+#define TX_RX_LED_PULSE_PERIOD 100
+uint16_t TxLEDPulse = 0; // time remaining for Tx LED pulse
+uint16_t RxLEDPulse = 0; // time remaining for Rx LED pulse
+
+/* Bootloader timeout timer */
+#define TIMEOUT_PERIOD 8000
+uint16_t Timeout = 0;
+
+uint16_t bootKey = 0x7777;
+volatile uint16_t *const bootKeyPtr = (volatile uint16_t *)0x0A00;
+
+void StartSketch(void)
+{
+ cli();
+
+ /* Undo TIMER1 setup and clear the count before running the sketch */
+ TIMSK1 = 0;
+ TCCR1B = 0;
+ TCNT1H = 0; // 16-bit write to TCNT1 requires high byte be written first
+ TCNT1L = 0;
+
+ /* Relocate the interrupt vector table to the application section */
+ MCUCR = (1 << IVCE);
+ MCUCR = 0;
+
+ L_LED_OFF();
+ TX_LED_OFF();
+ RX_LED_OFF();
+
+ /* jump to beginning of application space */
+ __asm__ volatile("jmp 0x0000");
+}
+
+/* Breathing animation on L LED indicates bootloader is running */
+uint16_t LLEDPulse;
+void LEDPulse(void)
+{
+ LLEDPulse++;
+ uint8_t p = LLEDPulse >> 8;
+ if (p > 127)
+ p = 254-p;
+ p += p;
+ if (((uint8_t)LLEDPulse) > p)
+ L_LED_OFF();
+ else
+ L_LED_ON();
+}
+
+/** Main program entry point. This routine configures the hardware required by the bootloader, then continuously
+ * runs the bootloader processing routine until instructed to soft-exit, or hard-reset via the watchdog to start
+ * the loaded application code.
+ */
+int main(void)
+{
+ /* Watchdog may be configured with a 15 ms period so must disable it before doing anything else */
+ wdt_disable();
+
+ /* Check the reason for the reset and act accordingly */
+ uint8_t mcusr_state = MCUSR; // store the initial state of the Status register
+ MCUSR = 0; // clear all reset flags
+ // After a power-on reset skip the bootloader and jump straight to sketch
+ // if one exists.
+ if (mcusr_state & (1<<PORF) && pgm_read_word(0) != 0xFFFF) {
+ StartSketch();
+ }
+ uint16_t bootKeyPtrVal = *bootKeyPtr;
+ *bootKeyPtr = 0;
+ if ((mcusr_state & (1<<WDRF)) && (bootKeyPtrVal != bootKey) && (pgm_read_word(0) != 0xFFFF)) {
+ StartSketch();
+ }
+
+ /* Setup hardware required for the bootloader */
+ SetupHardware();
+
+ /* Enable global interrupts so that the USB stack can function */
+ sei();
+
+ Timeout = 0;
+
+ while (RunBootloader)
+ {
+ CDC_Task();
+ USB_USBTask();
+ /* Time out and start the sketch if one is present */
+ if (Timeout > TIMEOUT_PERIOD)
+ RunBootloader = false;
+
+ LEDPulse();
+ }
+
+ /* Disconnect from the host - USB interface will be reset later along with the AVR */
+ USB_Detach();
+
+ /* Jump to beginning of application space to run the sketch - do not reset */
+ StartSketch();
+}
+
+/** Configures all hardware required for the bootloader. */
+void SetupHardware(void)
+{
+ /* Disable watchdog if enabled by bootloader/fuses */
+ MCUSR &= ~(1 << WDRF);
+ wdt_disable();
+
+ /* Disable clock division */
+ clock_prescale_set(clock_div_1);
+
+ /* Relocate the interrupt vector table to the bootloader section */
+ MCUCR = (1 << IVCE);
+ MCUCR = (1 << IVSEL);
+
+ LED_SETUP();
+ CPU_PRESCALE(0);
+ L_LED_OFF();
+ TX_LED_OFF();
+ RX_LED_OFF();
+
+ /* Initialize TIMER1 to handle bootloader timeout and LED tasks.
+ * With 16 MHz clock and 1/64 prescaler, timer 1 is clocked at 250 kHz
+ * Our chosen compare match generates an interrupt every 1 ms.
+ * This interrupt is disabled selectively when doing memory reading, erasing,
+ * or writing since SPM has tight timing requirements.
+ */
+ OCR1AH = 0;
+ OCR1AL = 250;
+ TIMSK1 = (1 << OCIE1A); // enable timer 1 output compare A match interrupt
+ TCCR1B = ((1 << CS11) | (1 << CS10)); // 1/64 prescaler on timer 1 input
+
+ /* Initialize USB Subsystem */
+ USB_Init();
+}
+
+//uint16_t ctr = 0;
+ISR(TIMER1_COMPA_vect, ISR_BLOCK)
+{
+ /* Reset counter */
+ TCNT1H = 0;
+ TCNT1L = 0;
+
+ /* Check whether the TX or RX LED one-shot period has elapsed. if so, turn off the LED */
+ if (TxLEDPulse && !(--TxLEDPulse))
+ TX_LED_OFF();
+ if (RxLEDPulse && !(--RxLEDPulse))
+ RX_LED_OFF();
+
+ if (pgm_read_word(0) != 0xFFFF)
+ Timeout++;
+}
+
+/** Event handler for the USB_ConfigurationChanged event. This configures the device's endpoints ready
+ * to relay data to and from the attached USB host.
+ */
+void EVENT_USB_Device_ConfigurationChanged(void)
+{
+ /* Setup CDC Notification, Rx and Tx Endpoints */
+ Endpoint_ConfigureEndpoint(CDC_NOTIFICATION_EPNUM, EP_TYPE_INTERRUPT,
+ ENDPOINT_DIR_IN, CDC_NOTIFICATION_EPSIZE,
+ ENDPOINT_BANK_SINGLE);
+
+ Endpoint_ConfigureEndpoint(CDC_TX_EPNUM, EP_TYPE_BULK,
+ ENDPOINT_DIR_IN, CDC_TXRX_EPSIZE,
+ ENDPOINT_BANK_SINGLE);
+
+ Endpoint_ConfigureEndpoint(CDC_RX_EPNUM, EP_TYPE_BULK,
+ ENDPOINT_DIR_OUT, CDC_TXRX_EPSIZE,
+ ENDPOINT_BANK_SINGLE);
+}
+
+/** Event handler for the USB_ControlRequest event. This is used to catch and process control requests sent to
+ * the device from the USB host before passing along unhandled control requests to the library for processing
+ * internally.
+ */
+void EVENT_USB_Device_ControlRequest(void)
+{
+ /* Ignore any requests that aren't directed to the CDC interface */
+ if ((USB_ControlRequest.bmRequestType & (CONTROL_REQTYPE_TYPE | CONTROL_REQTYPE_RECIPIENT)) !=
+ (REQTYPE_CLASS | REQREC_INTERFACE))
+ {
+ return;
+ }
+
+ /* Process CDC specific control requests */
+ switch (USB_ControlRequest.bRequest)
+ {
+ case CDC_REQ_GetLineEncoding:
+ if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))
+ {
+ Endpoint_ClearSETUP();
+
+ /* Write the line coding data to the control endpoint */
+ Endpoint_Write_Control_Stream_LE(&LineEncoding, sizeof(CDC_LineEncoding_t));
+ Endpoint_ClearOUT();
+ }
+
+ break;
+ case CDC_REQ_SetLineEncoding:
+ if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
+ {
+ Endpoint_ClearSETUP();
+
+ /* Read the line coding data in from the host into the global struct */
+ Endpoint_Read_Control_Stream_LE(&LineEncoding, sizeof(CDC_LineEncoding_t));
+ Endpoint_ClearIN();
+ }
+
+ break;
+ }
+}
+
+#if !defined(NO_BLOCK_SUPPORT)
+/** Reads or writes a block of EEPROM or FLASH memory to or from the appropriate CDC data endpoint, depending
+ * on the AVR910 protocol command issued.
+ *
+ * \param[in] Command Single character AVR910 protocol command indicating what memory operation to perform
+ */
+static void ReadWriteMemoryBlock(const uint8_t Command)
+{
+ uint16_t BlockSize;
+ char MemoryType;
+
+ bool HighByte = false;
+ uint8_t LowByte = 0;
+
+ BlockSize = (FetchNextCommandByte() << 8);
+ BlockSize |= FetchNextCommandByte();
+
+ MemoryType = FetchNextCommandByte();
+
+ if ((MemoryType != 'E') && (MemoryType != 'F'))
+ {
+ /* Send error byte back to the host */
+ WriteNextResponseByte('?');
+
+ return;
+ }
+
+ /* Disable timer 1 interrupt - can't afford to process nonessential interrupts
+ * while doing SPM tasks */
+ TIMSK1 = 0;
+
+ /* Check if command is to read memory */
+ if (Command == 'g')
+ {
+ /* Re-enable RWW section */
+ boot_rww_enable();
+
+ while (BlockSize--)
+ {
+ if (MemoryType == 'F')
+ {
+ /* Read the next FLASH byte from the current FLASH page */
+ #if (FLASHEND > 0xFFFF)
+ WriteNextResponseByte(pgm_read_byte_far(CurrAddress | HighByte));
+ #else
+ WriteNextResponseByte(pgm_read_byte(CurrAddress | HighByte));
+ #endif
+
+ /* If both bytes in current word have been read, increment the address counter */
+ if (HighByte)
+ CurrAddress += 2;
+
+ HighByte = !HighByte;
+ }
+ else
+ {
+ /* Read the next EEPROM byte into the endpoint */
+ WriteNextResponseByte(eeprom_read_byte((uint8_t*)(intptr_t)(CurrAddress >> 1)));
+
+ /* Increment the address counter after use */
+ CurrAddress += 2;
+ }
+ }
+ }
+ else
+ {
+ uint32_t PageStartAddress = CurrAddress;
+
+ if (MemoryType == 'F')
+ {
+ boot_page_erase(PageStartAddress);
+ boot_spm_busy_wait();
+ }
+
+ while (BlockSize--)
+ {
+ if (MemoryType == 'F')
+ {
+ /* If both bytes in current word have been written, increment the address counter */
+ if (HighByte)
+ {
+ /* Write the next FLASH word to the current FLASH page */
+ boot_page_fill(CurrAddress, ((FetchNextCommandByte() << 8) | LowByte));
+
+ /* Increment the address counter after use */
+ CurrAddress += 2;
+ }
+ else
+ {
+ LowByte = FetchNextCommandByte();
+ }
+
+ HighByte = !HighByte;
+ }
+ else
+ {
+ /* Write the next EEPROM byte from the endpoint */
+ eeprom_write_byte((uint8_t*)((intptr_t)(CurrAddress >> 1)), FetchNextCommandByte());
+
+ /* Increment the address counter after use */
+ CurrAddress += 2;
+ }
+ }
+
+ /* If in FLASH programming mode, commit the page after writing */
+ if (MemoryType == 'F')
+ {
+ /* Commit the flash page to memory */
+ boot_page_write(PageStartAddress);
+
+ /* Wait until write operation has completed */
+ boot_spm_busy_wait();
+ }
+
+ /* Send response byte back to the host */
+ WriteNextResponseByte('\r');
+ }
+
+ /* Re-enable timer 1 interrupt disabled earlier in this routine */
+ TIMSK1 = (1 << OCIE1A);
+}
+#endif
+
+/** Retrieves the next byte from the host in the CDC data OUT endpoint, and clears the endpoint bank if needed
+ * to allow reception of the next data packet from the host.
+ *
+ * \return Next received byte from the host in the CDC data OUT endpoint
+ */
+static uint8_t FetchNextCommandByte(void)
+{
+ /* Select the OUT endpoint so that the next data byte can be read */
+ Endpoint_SelectEndpoint(CDC_RX_EPNUM);
+
+ /* If OUT endpoint empty, clear it and wait for the next packet from the host */
+ while (!(Endpoint_IsReadWriteAllowed()))
+ {
+ Endpoint_ClearOUT();
+
+ while (!(Endpoint_IsOUTReceived()))
+ {
+ if (USB_DeviceState == DEVICE_STATE_Unattached)
+ return 0;
+ }
+ }
+
+ /* Fetch the next byte from the OUT endpoint */
+ return Endpoint_Read_8();
+}
+
+/** Writes the next response byte to the CDC data IN endpoint, and sends the endpoint back if needed to free up the
+ * bank when full ready for the next byte in the packet to the host.
+ *
+ * \param[in] Response Next response byte to send to the host
+ */
+static void WriteNextResponseByte(const uint8_t Response)
+{
+ /* Select the IN endpoint so that the next data byte can be written */
+ Endpoint_SelectEndpoint(CDC_TX_EPNUM);
+
+ /* If IN endpoint full, clear it and wait until ready for the next packet to the host */
+ if (!(Endpoint_IsReadWriteAllowed()))
+ {
+ Endpoint_ClearIN();
+
+ while (!(Endpoint_IsINReady()))
+ {
+ if (USB_DeviceState == DEVICE_STATE_Unattached)
+ return;
+ }
+ }
+
+ /* Write the next byte to the IN endpoint */
+ Endpoint_Write_8(Response);
+
+ TX_LED_ON();
+ TxLEDPulse = TX_RX_LED_PULSE_PERIOD;
+}
+
+#define STK_OK 0x10
+#define STK_INSYNC 0x14 // ' '
+#define CRC_EOP 0x20 // 'SPACE'
+#define STK_GET_SYNC 0x30 // '0'
+
+#define STK_GET_PARAMETER 0x41 // 'A'
+#define STK_SET_DEVICE 0x42 // 'B'
+#define STK_SET_DEVICE_EXT 0x45 // 'E'
+#define STK_LOAD_ADDRESS 0x55 // 'U'
+#define STK_UNIVERSAL 0x56 // 'V'
+#define STK_PROG_PAGE 0x64 // 'd'
+#define STK_READ_PAGE 0x74 // 't'
+#define STK_READ_SIGN 0x75 // 'u'
+
+/** Task to read in AVR910 commands from the CDC data OUT endpoint, process them, perform the required actions
+ * and send the appropriate response back to the host.
+ */
+void CDC_Task(void)
+{
+ /* Select the OUT endpoint */
+ Endpoint_SelectEndpoint(CDC_RX_EPNUM);
+
+ /* Check if endpoint has a command in it sent from the host */
+ if (!(Endpoint_IsOUTReceived()))
+ return;
+
+ RX_LED_ON();
+ RxLEDPulse = TX_RX_LED_PULSE_PERIOD;
+
+ /* Read in the bootloader command (first byte sent from host) */
+ uint8_t Command = FetchNextCommandByte();
+
+ if (Command == 'E')
+ {
+ /* We nearly run out the bootloader timeout clock,
+ * leaving just a few hundred milliseconds so the
+ * bootloder has time to respond and service any
+ * subsequent requests */
+ Timeout = TIMEOUT_PERIOD - 500;
+
+ /* Re-enable RWW section - must be done here in case
+ * user has disabled verification on upload. */
+ boot_rww_enable_safe();
+
+ // Send confirmation byte back to the host
+ WriteNextResponseByte('\r');
+ }
+ else if (Command == 'T')
+ {
+ FetchNextCommandByte();
+
+ // Send confirmation byte back to the host
+ WriteNextResponseByte('\r');
+ }
+ else if ((Command == 'L') || (Command == 'P'))
+ {
+ // Send confirmation byte back to the host
+ WriteNextResponseByte('\r');
+ }
+ else if (Command == 't')
+ {
+ // Return ATMEGA128 part code - this is only to allow AVRProg to use the bootloader
+ WriteNextResponseByte(0x44);
+ WriteNextResponseByte(0x00);
+ }
+ else if (Command == 'a')
+ {
+ // Indicate auto-address increment is supported
+ WriteNextResponseByte('Y');
+ }
+ else if (Command == 'A')
+ {
+ // Set the current address to that given by the host
+ CurrAddress = (FetchNextCommandByte() << 9);
+ CurrAddress |= (FetchNextCommandByte() << 1);
+
+ // Send confirmation byte back to the host
+ WriteNextResponseByte('\r');
+ }
+ else if (Command == 'p')
+ {
+ // Indicate serial programmer back to the host
+ WriteNextResponseByte('S');
+ }
+ else if (Command == 'S')
+ {
+ // Write the 7-byte software identifier to the endpoint
+ for (uint8_t CurrByte = 0; CurrByte < 7; CurrByte++)
+ WriteNextResponseByte(SOFTWARE_IDENTIFIER[CurrByte]);
+ }
+ else if (Command == 'V')
+ {
+ WriteNextResponseByte('0' + BOOTLOADER_VERSION_MAJOR);
+ WriteNextResponseByte('0' + BOOTLOADER_VERSION_MINOR);
+ }
+ else if (Command == 's')
+ {
+ WriteNextResponseByte(AVR_SIGNATURE_3);
+ WriteNextResponseByte(AVR_SIGNATURE_2);
+ WriteNextResponseByte(AVR_SIGNATURE_1);
+ }
+ else if (Command == 'e')
+ {
+ // Clear the application section of flash
+ for (uint32_t CurrFlashAddress = 0; CurrFlashAddress < BOOT_START_ADDR; CurrFlashAddress += SPM_PAGESIZE)
+ {
+ boot_page_erase(CurrFlashAddress);
+ boot_spm_busy_wait();
+ boot_page_write(CurrFlashAddress);
+ boot_spm_busy_wait();
+ }
+
+ // Send confirmation byte back to the host
+ WriteNextResponseByte('\r');
+ }
+ #if !defined(NO_LOCK_BYTE_WRITE_SUPPORT)
+ else if (Command == 'l')
+ {
+ // Set the lock bits to those given by the host
+ boot_lock_bits_set(FetchNextCommandByte());
+
+ // Send confirmation byte back to the host
+ WriteNextResponseByte('\r');
+ }
+ #endif
+ else if (Command == 'r')
+ {
+ WriteNextResponseByte(boot_lock_fuse_bits_get(GET_LOCK_BITS));
+ }
+ else if (Command == 'F')
+ {
+ WriteNextResponseByte(boot_lock_fuse_bits_get(GET_LOW_FUSE_BITS));
+ }
+ else if (Command == 'N')
+ {
+ WriteNextResponseByte(boot_lock_fuse_bits_get(GET_HIGH_FUSE_BITS));
+ }
+ else if (Command == 'Q')
+ {
+ WriteNextResponseByte(boot_lock_fuse_bits_get(GET_EXTENDED_FUSE_BITS));
+ }
+ #if !defined(NO_BLOCK_SUPPORT)
+ else if (Command == 'b')
+ {
+ WriteNextResponseByte('Y');
+
+ // Send block size to the host
+ WriteNextResponseByte(SPM_PAGESIZE >> 8);
+ WriteNextResponseByte(SPM_PAGESIZE & 0xFF);
+ }
+ else if ((Command == 'B') || (Command == 'g'))
+ {
+ // Keep resetting the timeout counter if we're receiving self-programming instructions
+ Timeout = 0;
+ // Delegate the block write/read to a separate function for clarity
+ ReadWriteMemoryBlock(Command);
+ }
+ #endif
+ #if !defined(NO_FLASH_BYTE_SUPPORT)
+ else if (Command == 'C')
+ {
+ // Write the high byte to the current flash page
+ boot_page_fill(CurrAddress, FetchNextCommandByte());
+
+ // Send confirmation byte back to the host
+ WriteNextResponseByte('\r');
+ }
+ else if (Command == 'c')
+ {
+ // Write the low byte to the current flash page
+ boot_page_fill(CurrAddress | 0x01, FetchNextCommandByte());
+
+ // Increment the address
+ CurrAddress += 2;
+
+ // Send confirmation byte back to the host
+ WriteNextResponseByte('\r');
+ }
+ else if (Command == 'm')
+ {
+ // Commit the flash page to memory
+ boot_page_write(CurrAddress);
+
+ // Wait until write operation has completed
+ boot_spm_busy_wait();
+
+ // Send confirmation byte back to the host
+ WriteNextResponseByte('\r');
+ }
+ else if (Command == 'R')
+ {
+ #if (FLASHEND > 0xFFFF)
+ uint16_t ProgramWord = pgm_read_word_far(CurrAddress);
+ #else
+ uint16_t ProgramWord = pgm_read_word(CurrAddress);
+ #endif
+
+ WriteNextResponseByte(ProgramWord >> 8);
+ WriteNextResponseByte(ProgramWord & 0xFF);
+ }
+ #endif
+ #if !defined(NO_EEPROM_BYTE_SUPPORT)
+ else if (Command == 'D')
+ {
+ // Read the byte from the endpoint and write it to the EEPROM
+ eeprom_write_byte((uint8_t*)((intptr_t)(CurrAddress >> 1)), FetchNextCommandByte());
+
+ // Increment the address after use
+ CurrAddress += 2;
+
+ // Send confirmation byte back to the host
+ WriteNextResponseByte('\r');
+ }
+ else if (Command == 'd')
+ {
+ // Read the EEPROM byte and write it to the endpoint
+ WriteNextResponseByte(eeprom_read_byte((uint8_t*)((intptr_t)(CurrAddress >> 1))));
+
+ // Increment the address after use
+ CurrAddress += 2;
+ }
+ #endif
+ else if (Command != 27)
+ {
+ // Unknown (non-sync) command, return fail code
+ WriteNextResponseByte('?');
+ }
+
+
+ /* Select the IN endpoint */
+ Endpoint_SelectEndpoint(CDC_TX_EPNUM);
+
+ /* Remember if the endpoint is completely full before clearing it */
+ bool IsEndpointFull = !(Endpoint_IsReadWriteAllowed());
+
+ /* Send the endpoint data to the host */
+ Endpoint_ClearIN();
+
+ /* If a full endpoint's worth of data was sent, we need to send an empty packet afterwards to signal end of transfer */
+ if (IsEndpointFull)
+ {
+ while (!(Endpoint_IsINReady()))
+ {
+ if (USB_DeviceState == DEVICE_STATE_Unattached)
+ return;
+ }
+
+ Endpoint_ClearIN();
+ }
+
+ /* Wait until the data has been sent to the host */
+ while (!(Endpoint_IsINReady()))
+ {
+ if (USB_DeviceState == DEVICE_STATE_Unattached)
+ return;
+ }
+
+ /* Select the OUT endpoint */
+ Endpoint_SelectEndpoint(CDC_RX_EPNUM);
+
+ /* Acknowledge the command from the host */
+ Endpoint_ClearOUT();
+}
+
diff --git a/bootloaders/caterina/Caterina.h b/bootloaders/caterina/Caterina.h new file mode 100755 index 0000000..f8251d4 --- /dev/null +++ b/bootloaders/caterina/Caterina.h @@ -0,0 +1,99 @@ +/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2011.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.lufa-lib.org
+*/
+
+/*
+ Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+ Permission to use, copy, modify, distribute, and sell this
+ software and its documentation for any purpose is hereby granted
+ without fee, provided that the above copyright notice appear in
+ all copies and that both that the copyright notice and this
+ permission notice and warranty disclaimer appear in supporting
+ documentation, and that the name of the author not be used in
+ advertising or publicity pertaining to distribution of the
+ software without specific, written prior permission.
+
+ The author disclaim all warranties with regard to this
+ software, including all implied warranties of merchantability
+ and fitness. In no event shall the author be liable for any
+ special, indirect or consequential damages or any damages
+ whatsoever resulting from loss of use, data or profits, whether
+ in an action of contract, negligence or other tortious action,
+ arising out of or in connection with the use or performance of
+ this software.
+*/
+
+/** \file
+ *
+ * Header file for BootloaderCDC.c.
+ */
+
+#ifndef _CDC_H_
+#define _CDC_H_
+
+ /* Includes: */
+ #include <avr/io.h>
+ #include <avr/wdt.h>
+ #include <avr/boot.h>
+ #include <avr/eeprom.h>
+ #include <avr/power.h>
+ #include <avr/interrupt.h>
+ #include <stdbool.h>
+
+ #include "Descriptors.h"
+
+ #include <LUFA/Drivers/USB/USB.h>
+ /* Macros: */
+ /** Version major of the CDC bootloader. */
+ #define BOOTLOADER_VERSION_MAJOR 0x01
+
+ /** Version minor of the CDC bootloader. */
+ #define BOOTLOADER_VERSION_MINOR 0x00
+
+ /** Hardware version major of the CDC bootloader. */
+ #define BOOTLOADER_HWVERSION_MAJOR 0x01
+
+ /** Hardware version minor of the CDC bootloader. */
+ #define BOOTLOADER_HWVERSION_MINOR 0x00
+
+ /** Eight character bootloader firmware identifier reported to the host when requested */
+ #define SOFTWARE_IDENTIFIER "CATERINA"
+
+ #define CPU_PRESCALE(n) (CLKPR = 0x80, CLKPR = (n))
+ #define LED_SETUP() DDRC |= (1<<7); DDRB |= (1<<0); DDRD |= (1<<5);
+ #define L_LED_OFF() PORTC &= ~(1<<7)
+ #define L_LED_ON() PORTC |= (1<<7)
+ #define L_LED_TOGGLE() PORTC ^= (1<<7)
+ #define TX_LED_OFF() PORTD |= (1<<5)
+ #define TX_LED_ON() PORTD &= ~(1<<5)
+ #define RX_LED_OFF() PORTB |= (1<<0)
+ #define RX_LED_ON() PORTB &= ~(1<<0)
+
+ /* Type Defines: */
+ /** Type define for a non-returning pointer to the start of the loaded application in flash memory. */
+ typedef void (*AppPtr_t)(void) ATTR_NO_RETURN;
+
+ /* Function Prototypes: */
+ void StartSketch(void);
+ void LEDPulse(void);
+
+ void CDC_Task(void);
+ void SetupHardware(void);
+
+ void EVENT_USB_Device_ConfigurationChanged(void);
+
+ #if defined(INCLUDE_FROM_CATERINA_C) || defined(__DOXYGEN__)
+ #if !defined(NO_BLOCK_SUPPORT)
+ static void ReadWriteMemoryBlock(const uint8_t Command);
+ #endif
+ static uint8_t FetchNextCommandByte(void);
+ static void WriteNextResponseByte(const uint8_t Response);
+ #endif
+
+#endif
+
diff --git a/bootloaders/caterina/Caterina.hex b/bootloaders/caterina/Caterina.hex new file mode 100644 index 0000000..b3e1ed6 --- /dev/null +++ b/bootloaders/caterina/Caterina.hex @@ -0,0 +1,256 @@ +:1070000055C000006EC000006CC000006AC00000E7
+:1070100068C0000066C0000064C0000062C00000DC
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diff --git a/bootloaders/caterina/Descriptors.c b/bootloaders/caterina/Descriptors.c new file mode 100755 index 0000000..f1756e2 --- /dev/null +++ b/bootloaders/caterina/Descriptors.c @@ -0,0 +1,265 @@ +/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2011.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.lufa-lib.org
+*/
+
+/*
+ Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+ Permission to use, copy, modify, distribute, and sell this
+ software and its documentation for any purpose is hereby granted
+ without fee, provided that the above copyright notice appear in
+ all copies and that both that the copyright notice and this
+ permission notice and warranty disclaimer appear in supporting
+ documentation, and that the name of the author not be used in
+ advertising or publicity pertaining to distribution of the
+ software without specific, written prior permission.
+
+ The author disclaim all warranties with regard to this
+ software, including all implied warranties of merchantability
+ and fitness. In no event shall the author be liable for any
+ special, indirect or consequential damages or any damages
+ whatsoever resulting from loss of use, data or profits, whether
+ in an action of contract, negligence or other tortious action,
+ arising out of or in connection with the use or performance of
+ this software.
+*/
+
+/** \file
+ *
+ * USB Device Descriptors, for library use when in USB device mode. Descriptors are special
+ * computer-readable structures which the host requests upon device enumeration, to determine
+ * the device's capabilities and functions.
+ */
+
+#include "Descriptors.h"
+
+/** Device descriptor structure. This descriptor, located in SRAM memory, describes the overall
+ * device characteristics, including the supported USB version, control endpoint size and the
+ * number of device configurations. The descriptor is read out by the USB host when the enumeration
+ * process begins.
+ */
+const USB_Descriptor_Device_t DeviceDescriptor =
+{
+ .Header = {.Size = sizeof(USB_Descriptor_Device_t), .Type = DTYPE_Device},
+
+ .USBSpecification = VERSION_BCD(01.10),
+ .Class = CDC_CSCP_CDCClass,
+ .SubClass = CDC_CSCP_NoSpecificSubclass,
+ .Protocol = CDC_CSCP_NoSpecificProtocol,
+
+ .Endpoint0Size = FIXED_CONTROL_ENDPOINT_SIZE,
+
+ .VendorID = 0x2341,
+ .ProductID = 0x0701,
+ .ReleaseNumber = VERSION_BCD(00.01),
+
+ .ManufacturerStrIndex = 0x02,
+ .ProductStrIndex = 0x01,
+ .SerialNumStrIndex = NO_DESCRIPTOR,
+
+ .NumberOfConfigurations = FIXED_NUM_CONFIGURATIONS
+};
+
+/** Configuration descriptor structure. This descriptor, located in SRAM memory, describes the usage
+ * of the device in one of its supported configurations, including information about any device interfaces
+ * and endpoints. The descriptor is read out by the USB host during the enumeration process when selecting
+ * a configuration so that the host may correctly communicate with the USB device.
+ */
+const USB_Descriptor_Configuration_t ConfigurationDescriptor =
+{
+ .Config =
+ {
+ .Header = {.Size = sizeof(USB_Descriptor_Configuration_Header_t), .Type = DTYPE_Configuration},
+
+ .TotalConfigurationSize = sizeof(USB_Descriptor_Configuration_t),
+ .TotalInterfaces = 2,
+
+ .ConfigurationNumber = 1,
+ .ConfigurationStrIndex = NO_DESCRIPTOR,
+
+ .ConfigAttributes = USB_CONFIG_ATTR_BUSPOWERED,
+
+ .MaxPowerConsumption = USB_CONFIG_POWER_MA(100)
+ },
+
+ .CDC_CCI_Interface =
+ {
+ .Header = {.Size = sizeof(USB_Descriptor_Interface_t), .Type = DTYPE_Interface},
+
+ .InterfaceNumber = 0,
+ .AlternateSetting = 0,
+
+ .TotalEndpoints = 1,
+
+ .Class = CDC_CSCP_CDCClass,
+ .SubClass = CDC_CSCP_ACMSubclass,
+ .Protocol = CDC_CSCP_ATCommandProtocol,
+
+ .InterfaceStrIndex = NO_DESCRIPTOR
+ },
+
+ .CDC_Functional_Header =
+ {
+ .Header = {.Size = sizeof(USB_CDC_Descriptor_FunctionalHeader_t), .Type = DTYPE_CSInterface},
+ .Subtype = 0x00,
+
+ .CDCSpecification = VERSION_BCD(01.10),
+ },
+
+ .CDC_Functional_ACM =
+ {
+ .Header = {.Size = sizeof(USB_CDC_Descriptor_FunctionalACM_t), .Type = DTYPE_CSInterface},
+ .Subtype = 0x02,
+
+ .Capabilities = 0x04,
+ },
+
+ .CDC_Functional_Union =
+ {
+ .Header = {.Size = sizeof(USB_CDC_Descriptor_FunctionalUnion_t), .Type = DTYPE_CSInterface},
+ .Subtype = 0x06,
+
+ .MasterInterfaceNumber = 0,
+ .SlaveInterfaceNumber = 1,
+ },
+
+ .CDC_NotificationEndpoint =
+ {
+ .Header = {.Size = sizeof(USB_Descriptor_Endpoint_t), .Type = DTYPE_Endpoint},
+
+ .EndpointAddress = (ENDPOINT_DIR_IN | CDC_NOTIFICATION_EPNUM),
+ .Attributes = (EP_TYPE_INTERRUPT | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA),
+ .EndpointSize = CDC_NOTIFICATION_EPSIZE,
+ .PollingIntervalMS = 0xFF
+ },
+
+ .CDC_DCI_Interface =
+ {
+ .Header = {.Size = sizeof(USB_Descriptor_Interface_t), .Type = DTYPE_Interface},
+
+ .InterfaceNumber = 1,
+ .AlternateSetting = 0,
+
+ .TotalEndpoints = 2,
+
+ .Class = CDC_CSCP_CDCDataClass,
+ .SubClass = CDC_CSCP_NoDataSubclass,
+ .Protocol = CDC_CSCP_NoDataProtocol,
+
+ .InterfaceStrIndex = NO_DESCRIPTOR
+ },
+
+ .CDC_DataOutEndpoint =
+ {
+ .Header = {.Size = sizeof(USB_Descriptor_Endpoint_t), .Type = DTYPE_Endpoint},
+
+ .EndpointAddress = (ENDPOINT_DIR_OUT | CDC_RX_EPNUM),
+ .Attributes = (EP_TYPE_BULK | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA),
+ .EndpointSize = CDC_TXRX_EPSIZE,
+ .PollingIntervalMS = 0x01
+ },
+
+ .CDC_DataInEndpoint =
+ {
+ .Header = {.Size = sizeof(USB_Descriptor_Endpoint_t), .Type = DTYPE_Endpoint},
+
+ .EndpointAddress = (ENDPOINT_DIR_IN | CDC_TX_EPNUM),
+ .Attributes = (EP_TYPE_BULK | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA),
+ .EndpointSize = CDC_TXRX_EPSIZE,
+ .PollingIntervalMS = 0x01
+ }
+};
+
+/** Language descriptor structure. This descriptor, located in SRAM memory, is returned when the host requests
+ * the string descriptor with index 0 (the first index). It is actually an array of 16-bit integers, which indicate
+ * via the language ID table available at USB.org what languages the device supports for its string descriptors.
+ */
+const USB_Descriptor_String_t LanguageString =
+{
+ .Header = {.Size = USB_STRING_LEN(1), .Type = DTYPE_String},
+
+ .UnicodeString = {LANGUAGE_ID_ENG}
+};
+
+/** Product descriptor string. This is a Unicode string containing the product's details in human readable form,
+ * and is read out upon request by the host when the appropriate string ID is requested, listed in the Device
+ * Descriptor.
+ */
+const USB_Descriptor_String_t ProductString =
+{
+ .Header = {.Size = USB_STRING_LEN(16), .Type = DTYPE_String},
+
+ .UnicodeString = L"Arduino Leonardo"
+};
+/*
+const USB_Descriptor_String_t SerialNumString =
+{
+ .Header = {.Size = USB_STRING_LEN(12), .Type = DTYPE_String},
+
+ .UnicodeString = L"000000001452"
+};
+*/
+const USB_Descriptor_String_t ManufNameString =
+{
+ .Header = {.Size = USB_STRING_LEN(11), .Type = DTYPE_String},
+
+ .UnicodeString = L"Arduino LLC"
+};
+
+/** This function is called by the library when in device mode, and must be overridden (see LUFA library "USB Descriptors"
+ * documentation) by the application code so that the address and size of a requested descriptor can be given
+ * to the USB library. When the device receives a Get Descriptor request on the control endpoint, this function
+ * is called so that the descriptor details can be passed back and the appropriate descriptor sent back to the
+ * USB host.
+ */
+uint16_t CALLBACK_USB_GetDescriptor(const uint16_t wValue,
+ const uint8_t wIndex,
+ const void** const DescriptorAddress)
+{
+ const uint8_t DescriptorType = (wValue >> 8);
+ const uint8_t DescriptorNumber = (wValue & 0xFF);
+
+ const void* Address = NULL;
+ uint16_t Size = NO_DESCRIPTOR;
+
+ switch (DescriptorType)
+ {
+ case DTYPE_Device:
+ Address = &DeviceDescriptor;
+ Size = sizeof(USB_Descriptor_Device_t);
+ break;
+ case DTYPE_Configuration:
+ Address = &ConfigurationDescriptor;
+ Size = sizeof(USB_Descriptor_Configuration_t);
+ break;
+ case DTYPE_String:
+ if (!(DescriptorNumber))
+ {
+ Address = &LanguageString;
+ Size = LanguageString.Header.Size;
+ }
+ else if (DescriptorNumber == DeviceDescriptor.ProductStrIndex)
+ {
+ Address = &ProductString;
+ Size = ProductString.Header.Size;
+// } else if (DescriptorNumber == DeviceDescriptor.SerialNumStrIndex)
+// {
+// Address = &SerialNumString;
+// Size = SerialNumString.Header.Size;
+ } else if (DescriptorNumber == DeviceDescriptor.ManufacturerStrIndex)
+ {
+ Address = &ManufNameString;
+ Size = ManufNameString.Header.Size;
+ }
+
+ break;
+ }
+
+ *DescriptorAddress = Address;
+ return Size;
+}
+
diff --git a/bootloaders/caterina/Descriptors.h b/bootloaders/caterina/Descriptors.h new file mode 100755 index 0000000..94091ae --- /dev/null +++ b/bootloaders/caterina/Descriptors.h @@ -0,0 +1,139 @@ +/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2011.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.lufa-lib.org
+*/
+
+/*
+ Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+ Permission to use, copy, modify, distribute, and sell this
+ software and its documentation for any purpose is hereby granted
+ without fee, provided that the above copyright notice appear in
+ all copies and that both that the copyright notice and this
+ permission notice and warranty disclaimer appear in supporting
+ documentation, and that the name of the author not be used in
+ advertising or publicity pertaining to distribution of the
+ software without specific, written prior permission.
+
+ The author disclaim all warranties with regard to this
+ software, including all implied warranties of merchantability
+ and fitness. In no event shall the author be liable for any
+ special, indirect or consequential damages or any damages
+ whatsoever resulting from loss of use, data or profits, whether
+ in an action of contract, negligence or other tortious action,
+ arising out of or in connection with the use or performance of
+ this software.
+*/
+
+/** \file
+ *
+ * Header file for Descriptors.c.
+ */
+
+#ifndef _DESCRIPTORS_H_
+#define _DESCRIPTORS_H_
+
+ /* Includes: */
+ #include <LUFA/Drivers/USB/USB.h>
+
+ /* Macros: */
+ #if defined(__AVR_AT90USB1287__)
+ #define AVR_SIGNATURE_1 0x1E
+ #define AVR_SIGNATURE_2 0x97
+ #define AVR_SIGNATURE_3 0x82
+ #elif defined(__AVR_AT90USB647__)
+ #define AVR_SIGNATURE_1 0x1E
+ #define AVR_SIGNATURE_2 0x96
+ #define AVR_SIGNATURE_3 0x82
+ #elif defined(__AVR_AT90USB1286__)
+ #define AVR_SIGNATURE_1 0x1E
+ #define AVR_SIGNATURE_2 0x97
+ #define AVR_SIGNATURE_3 0x82
+ #elif defined(__AVR_AT90USB646__)
+ #define AVR_SIGNATURE_1 0x1E
+ #define AVR_SIGNATURE_2 0x96
+ #define AVR_SIGNATURE_3 0x82
+ #elif defined(__AVR_ATmega32U6__)
+ #define AVR_SIGNATURE_1 0x1E
+ #define AVR_SIGNATURE_2 0x95
+ #define AVR_SIGNATURE_3 0x88
+ #elif defined(__AVR_ATmega32U4__)
+ #define AVR_SIGNATURE_1 0x1E
+ #define AVR_SIGNATURE_2 0x95
+ #define AVR_SIGNATURE_3 0x87
+ #elif defined(__AVR_ATmega16U4__)
+ #define AVR_SIGNATURE_1 0x1E
+ #define AVR_SIGNATURE_2 0x94
+ #define AVR_SIGNATURE_3 0x88
+ #elif defined(__AVR_ATmega32U2__)
+ #define AVR_SIGNATURE_1 0x1E
+ #define AVR_SIGNATURE_2 0x95
+ #define AVR_SIGNATURE_3 0x8A
+ #elif defined(__AVR_ATmega16U2__)
+ #define AVR_SIGNATURE_1 0x1E
+ #define AVR_SIGNATURE_2 0x94
+ #define AVR_SIGNATURE_3 0x89
+ #elif defined(__AVR_AT90USB162__)
+ #define AVR_SIGNATURE_1 0x1E
+ #define AVR_SIGNATURE_2 0x94
+ #define AVR_SIGNATURE_3 0x82
+ #elif defined(__AVR_ATmega8U2__)
+ #define AVR_SIGNATURE_1 0x1E
+ #define AVR_SIGNATURE_2 0x93
+ #define AVR_SIGNATURE_3 0x89
+ #elif defined(__AVR_AT90USB82__)
+ #define AVR_SIGNATURE_1 0x1E
+ #define AVR_SIGNATURE_2 0x94
+ #define AVR_SIGNATURE_3 0x82
+ #else
+ #error The selected AVR part is not currently supported by this bootloader.
+ #endif
+
+ /** Endpoint number for the CDC control interface event notification endpoint. */
+ #define CDC_NOTIFICATION_EPNUM 2
+
+ /** Endpoint number for the CDC data interface TX (data IN) endpoint. */
+ #define CDC_TX_EPNUM 3
+
+ /** Endpoint number for the CDC data interface RX (data OUT) endpoint. */
+ #define CDC_RX_EPNUM 4
+
+ /** Size of the CDC data interface TX and RX data endpoint banks, in bytes. */
+ #define CDC_TXRX_EPSIZE 16
+
+ /** Size of the CDC control interface notification endpoint bank, in bytes. */
+ #define CDC_NOTIFICATION_EPSIZE 8
+
+ /* Type Defines: */
+ /** Type define for the device configuration descriptor structure. This must be defined in the
+ * application code, as the configuration descriptor contains several sub-descriptors which
+ * vary between devices, and which describe the device's usage to the host.
+ */
+ typedef struct
+ {
+ USB_Descriptor_Configuration_Header_t Config;
+
+ // CDC Control Interface
+ USB_Descriptor_Interface_t CDC_CCI_Interface;
+ USB_CDC_Descriptor_FunctionalHeader_t CDC_Functional_Header;
+ USB_CDC_Descriptor_FunctionalACM_t CDC_Functional_ACM;
+ USB_CDC_Descriptor_FunctionalUnion_t CDC_Functional_Union;
+ USB_Descriptor_Endpoint_t CDC_NotificationEndpoint;
+
+ // CDC Data Interface
+ USB_Descriptor_Interface_t CDC_DCI_Interface;
+ USB_Descriptor_Endpoint_t CDC_DataOutEndpoint;
+ USB_Descriptor_Endpoint_t CDC_DataInEndpoint;
+ } USB_Descriptor_Configuration_t;
+
+ /* Function Prototypes: */
+ uint16_t CALLBACK_USB_GetDescriptor(const uint16_t wValue,
+ const uint8_t wIndex,
+ const void** const DescriptorAddress)
+ ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(3);
+
+#endif
+
diff --git a/bootloaders/caterina/Makefile b/bootloaders/caterina/Makefile new file mode 100755 index 0000000..ef583bc --- /dev/null +++ b/bootloaders/caterina/Makefile @@ -0,0 +1,717 @@ +# Hey Emacs, this is a -*- makefile -*-
+#----------------------------------------------------------------------------
+# WinAVR Makefile Template written by Eric B. Weddington, Jörg Wunsch, et al.
+# >> Modified for use with the LUFA project. <<
+#
+# Released to the Public Domain
+#
+# Additional material for this makefile was written by:
+# Peter Fleury
+# Tim Henigan
+# Colin O'Flynn
+# Reiner Patommel
+# Markus Pfaff
+# Sander Pool
+# Frederik Rouleau
+# Carlos Lamas
+# Dean Camera
+# Opendous Inc.
+# Denver Gingerich
+#
+#----------------------------------------------------------------------------
+# On command line:
+#
+# make all = Make software.
+#
+# make clean = Clean out built project files.
+#
+# make coff = Convert ELF to AVR COFF.
+#
+# make extcoff = Convert ELF to AVR Extended COFF.
+#
+# make program = Download the hex file to the device, using avrdude.
+# Please customize the avrdude settings below first!
+#
+# make doxygen = Generate DoxyGen documentation for the project (must have
+# DoxyGen installed)
+#
+# make debug = Start either simulavr or avarice as specified for debugging,
+# with avr-gdb or avr-insight as the front end for debugging.
+#
+# make filename.s = Just compile filename.c into the assembler code only.
+#
+# make filename.i = Create a preprocessed source file for use in submitting
+# bug reports to the GCC project.
+#
+# To rebuild project do "make clean" then "make all".
+#----------------------------------------------------------------------------
+
+
+# MCU name
+MCU = atmega32u4
+
+
+# Target architecture (see library "Board Types" documentation).
+ARCH = AVR8
+
+
+# Target board (see library "Board Types" documentation, NONE for projects not requiring
+# LUFA board drivers). If USER is selected, put custom board drivers in a directory called
+# "Board" inside the application directory.
+BOARD = USER
+
+
+# Processor frequency.
+# This will define a symbol, F_CPU, in all source code files equal to the
+# processor frequency in Hz. You can then use this symbol in your source code to
+# calculate timings. Do NOT tack on a 'UL' at the end, this will be done
+# automatically to create a 32-bit value in your source code.
+#
+# This will be an integer division of F_USB below, as it is sourced by
+# F_USB after it has run through any CPU prescalers. Note that this value
+# does not *change* the processor frequency - it should merely be updated to
+# reflect the processor speed set externally so that the code can use accurate
+# software delays.
+F_CPU = 16000000
+
+
+# Input clock frequency.
+# This will define a symbol, F_USB, in all source code files equal to the
+# input clock frequency (before any prescaling is performed) in Hz. This value may
+# differ from F_CPU if prescaling is used on the latter, and is required as the
+# raw input clock is fed directly to the PLL sections of the AVR for high speed
+# clock generation for the USB and other AVR subsections. Do NOT tack on a 'UL'
+# at the end, this will be done automatically to create a 32-bit value in your
+# source code.
+#
+# If no clock division is performed on the input clock inside the AVR (via the
+# CPU clock adjust registers or the clock division fuses), this will be equal to F_CPU.
+F_USB = $(F_CPU)
+
+
+# Starting byte address of the bootloader, as a byte address - computed via the formula
+# BOOT_START = ((FLASH_SIZE_KB - BOOT_SECTION_SIZE_KB) * 1024)
+#
+# Note that the bootloader size and start address given in AVRStudio is in words and not
+# bytes, and so will need to be doubled to obtain the byte address needed by AVR-GCC.
+FLASH_SIZE_KB = 32
+BOOT_SECTION_SIZE_KB = 4
+BOOT_START = 0x$(shell echo "obase=16; ($(FLASH_SIZE_KB) - $(BOOT_SECTION_SIZE_KB)) * 1024" | bc)
+
+
+# Output format. (can be srec, ihex, binary)
+FORMAT = ihex
+
+
+# Target file name (without extension).
+TARGET = Caterina
+
+
+# Object files directory
+# To put object files in current directory, use a dot (.), do NOT make
+# this an empty or blank macro!
+OBJDIR = .
+
+
+# Path to the LUFA library
+LUFA_PATH = ../../../../../LUFA-111009
+
+
+# LUFA library compile-time options and predefined tokens
+LUFA_OPTS = -D USB_DEVICE_ONLY
+LUFA_OPTS += -D DEVICE_STATE_AS_GPIOR=0
+LUFA_OPTS += -D ORDERED_EP_CONFIG
+LUFA_OPTS += -D FIXED_CONTROL_ENDPOINT_SIZE=8
+LUFA_OPTS += -D FIXED_NUM_CONFIGURATIONS=1
+LUFA_OPTS += -D USE_RAM_DESCRIPTORS
+LUFA_OPTS += -D USE_STATIC_OPTIONS="(USB_DEVICE_OPT_FULLSPEED | USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)"
+LUFA_OPTS += -D NO_INTERNAL_SERIAL
+LUFA_OPTS += -D NO_DEVICE_SELF_POWER
+LUFA_OPTS += -D NO_DEVICE_REMOTE_WAKEUP
+LUFA_OPTS += -D NO_SOF_EVENTS
+
+#LUFA_OPTS += -D NO_BLOCK_SUPPORT
+#LUFA_OPTS += -D NO_EEPROM_BYTE_SUPPORT
+#LUFA_OPTS += -D NO_FLASH_BYTE_SUPPORT
+LUFA_OPTS += -D NO_LOCK_BYTE_WRITE_SUPPORT
+
+
+# Create the LUFA source path variables by including the LUFA root makefile
+include $(LUFA_PATH)/LUFA/makefile
+
+
+# List C source files here. (C dependencies are automatically generated.)
+SRC = $(TARGET).c \
+ Descriptors.c \
+ $(LUFA_SRC_USB) \
+
+
+# List C++ source files here. (C dependencies are automatically generated.)
+CPPSRC =
+
+
+# List Assembler source files here.
+# Make them always end in a capital .S. Files ending in a lowercase .s
+# will not be considered source files but generated files (assembler
+# output from the compiler), and will be deleted upon "make clean"!
+# Even though the DOS/Win* filesystem matches both .s and .S the same,
+# it will preserve the spelling of the filenames, and gcc itself does
+# care about how the name is spelled on its command-line.
+ASRC =
+
+
+# Optimization level, can be [0, 1, 2, 3, s].
+# 0 = turn off optimization. s = optimize for size.
+# (Note: 3 is not always the best optimization level. See avr-libc FAQ.)
+OPT = s
+
+
+# Debugging format.
+# Native formats for AVR-GCC's -g are dwarf-2 [default] or stabs.
+# AVR Studio 4.10 requires dwarf-2.
+# AVR [Extended] COFF format requires stabs, plus an avr-objcopy run.
+DEBUG = dwarf-2
+
+
+# List any extra directories to look for include files here.
+# Each directory must be seperated by a space.
+# Use forward slashes for directory separators.
+# For a directory that has spaces, enclose it in quotes.
+EXTRAINCDIRS = $(LUFA_PATH)/
+
+
+# Compiler flag to set the C Standard level.
+# c89 = "ANSI" C
+# gnu89 = c89 plus GCC extensions
+# c99 = ISO C99 standard (not yet fully implemented)
+# gnu99 = c99 plus GCC extensions
+CSTANDARD = -std=c99
+
+
+# Place -D or -U options here for C sources
+CDEFS = -DF_CPU=$(F_CPU)UL
+CDEFS += -DF_USB=$(F_USB)UL
+CDEFS += -DBOARD=BOARD_$(BOARD) -DARCH=ARCH_$(ARCH)
+CDEFS += -DBOOT_START_ADDR=$(BOOT_START)UL
+CDEFS += $(LUFA_OPTS)
+
+
+# Place -D or -U options here for ASM sources
+ADEFS = -DF_CPU=$(F_CPU)
+ADEFS += -DF_USB=$(F_USB)UL
+ADEFS += -DBOARD=BOARD_$(BOARD)
+ADEFS += -DBOOT_START_ADDR=$(BOOT_START)UL
+ADEFS += $(LUFA_OPTS)
+
+
+# Place -D or -U options here for C++ sources
+CPPDEFS = -DF_CPU=$(F_CPU)UL
+CPPDEFS += -DF_USB=$(F_USB)UL
+CPPDEFS += -DBOARD=BOARD_$(BOARD)
+CPPDEFS += -DBOOT_START_ADDR=$(BOOT_START)UL
+CPPDEFS += $(LUFA_OPTS)
+#CPPDEFS += -D__STDC_LIMIT_MACROS
+#CPPDEFS += -D__STDC_CONSTANT_MACROS
+
+
+
+#---------------- Compiler Options C ----------------
+# -g*: generate debugging information
+# -O*: optimization level
+# -f...: tuning, see GCC manual and avr-libc documentation
+# -Wall...: warning level
+# -Wa,...: tell GCC to pass this to the assembler.
+# -adhlns...: create assembler listing
+CFLAGS = -g$(DEBUG)
+CFLAGS += $(CDEFS)
+CFLAGS += -O$(OPT)
+CFLAGS += -funsigned-char
+CFLAGS += -funsigned-bitfields
+CFLAGS += -ffunction-sections
+CFLAGS += -fno-inline-small-functions
+CFLAGS += -fpack-struct
+CFLAGS += -fshort-enums
+CFLAGS += -fno-strict-aliasing
+CFLAGS += -Wall
+CFLAGS += -Wstrict-prototypes
+#CFLAGS += -mshort-calls
+#CFLAGS += -fno-unit-at-a-time
+#CFLAGS += -Wundef
+#CFLAGS += -Wunreachable-code
+#CFLAGS += -Wsign-compare
+CFLAGS += -Wa,-adhlns=$(<:%.c=$(OBJDIR)/%.lst)
+CFLAGS += $(patsubst %,-I%,$(EXTRAINCDIRS))
+CFLAGS += $(CSTANDARD)
+
+
+#---------------- Compiler Options C++ ----------------
+# -g*: generate debugging information
+# -O*: optimization level
+# -f...: tuning, see GCC manual and avr-libc documentation
+# -Wall...: warning level
+# -Wa,...: tell GCC to pass this to the assembler.
+# -adhlns...: create assembler listing
+CPPFLAGS = -g$(DEBUG)
+CPPFLAGS += $(CPPDEFS)
+CPPFLAGS += -O$(OPT)
+CPPFLAGS += -funsigned-char
+CPPFLAGS += -funsigned-bitfields
+CPPFLAGS += -fpack-struct
+CPPFLAGS += -fshort-enums
+CPPFLAGS += -fno-exceptions
+CPPFLAGS += -Wall
+CPPFLAGS += -Wundef
+#CPPFLAGS += -mshort-calls
+#CPPFLAGS += -fno-unit-at-a-time
+#CPPFLAGS += -Wstrict-prototypes
+#CPPFLAGS += -Wunreachable-code
+#CPPFLAGS += -Wsign-compare
+CPPFLAGS += -Wa,-adhlns=$(<:%.cpp=$(OBJDIR)/%.lst)
+CPPFLAGS += $(patsubst %,-I%,$(EXTRAINCDIRS))
+#CPPFLAGS += $(CSTANDARD)
+
+
+#---------------- Assembler Options ----------------
+# -Wa,...: tell GCC to pass this to the assembler.
+# -adhlns: create listing
+# -gstabs: have the assembler create line number information; note that
+# for use in COFF files, additional information about filenames
+# and function names needs to be present in the assembler source
+# files -- see avr-libc docs [FIXME: not yet described there]
+# -listing-cont-lines: Sets the maximum number of continuation lines of hex
+# dump that will be displayed for a given single line of source input.
+ASFLAGS = $(ADEFS) -Wa,-adhlns=$(<:%.S=$(OBJDIR)/%.lst),-gstabs,--listing-cont-lines=100
+
+
+#---------------- Library Options ----------------
+# Minimalistic printf version
+PRINTF_LIB_MIN = -Wl,-u,vfprintf -lprintf_min
+
+# Floating point printf version (requires MATH_LIB = -lm below)
+PRINTF_LIB_FLOAT = -Wl,-u,vfprintf -lprintf_flt
+
+# If this is left blank, then it will use the Standard printf version.
+PRINTF_LIB =
+#PRINTF_LIB = $(PRINTF_LIB_MIN)
+#PRINTF_LIB = $(PRINTF_LIB_FLOAT)
+
+
+# Minimalistic scanf version
+SCANF_LIB_MIN = -Wl,-u,vfscanf -lscanf_min
+
+# Floating point + %[ scanf version (requires MATH_LIB = -lm below)
+SCANF_LIB_FLOAT = -Wl,-u,vfscanf -lscanf_flt
+
+# If this is left blank, then it will use the Standard scanf version.
+SCANF_LIB =
+#SCANF_LIB = $(SCANF_LIB_MIN)
+#SCANF_LIB = $(SCANF_LIB_FLOAT)
+
+
+MATH_LIB = -lm
+
+
+# List any extra directories to look for libraries here.
+# Each directory must be seperated by a space.
+# Use forward slashes for directory separators.
+# For a directory that has spaces, enclose it in quotes.
+EXTRALIBDIRS =
+
+
+
+#---------------- External Memory Options ----------------
+
+# 64 KB of external RAM, starting after internal RAM (ATmega128!),
+# used for variables (.data/.bss) and heap (malloc()).
+#EXTMEMOPTS = -Wl,-Tdata=0x801100,--defsym=__heap_end=0x80ffff
+
+# 64 KB of external RAM, starting after internal RAM (ATmega128!),
+# only used for heap (malloc()).
+#EXTMEMOPTS = -Wl,--section-start,.data=0x801100,--defsym=__heap_end=0x80ffff
+
+EXTMEMOPTS =
+
+
+
+#---------------- Linker Options ----------------
+# -Wl,...: tell GCC to pass this to linker.
+# -Map: create map file
+# --cref: add cross reference to map file
+LDFLAGS = -Wl,-Map=$(TARGET).map,--cref
+LDFLAGS += -Wl,--section-start=.text=$(BOOT_START)
+LDFLAGS += -Wl,--relax
+LDFLAGS += -Wl,--gc-sections
+LDFLAGS += $(EXTMEMOPTS)
+LDFLAGS += $(patsubst %,-L%,$(EXTRALIBDIRS))
+LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
+#LDFLAGS += -T linker_script.x
+
+
+
+#---------------- Programming Options (avrdude) ----------------
+
+# Programming hardware
+# Type: avrdude -c ?
+# to get a full listing.
+#
+AVRDUDE_PROGRAMMER = avrispmkII
+
+# com1 = serial port. Use lpt1 to connect to parallel port.
+AVRDUDE_PORT = usb
+
+AVRDUDE_WRITE_FLASH = -U flash:w:$(TARGET).hex
+#AVRDUDE_WRITE_EEPROM = -U eeprom:w:$(TARGET).eep
+
+
+# Uncomment the following if you want avrdude's erase cycle counter.
+# Note that this counter needs to be initialized first using -Yn,
+# see avrdude manual.
+#AVRDUDE_ERASE_COUNTER = -y
+
+# Uncomment the following if you do /not/ wish a verification to be
+# performed after programming the device.
+#AVRDUDE_NO_VERIFY = -V
+
+# Increase verbosity level. Please use this when submitting bug
+# reports about avrdude. See <http://savannah.nongnu.org/projects/avrdude>
+# to submit bug reports.
+#AVRDUDE_VERBOSE = -v -v
+
+AVRDUDE_FLAGS = -p $(MCU) -P $(AVRDUDE_PORT) -c $(AVRDUDE_PROGRAMMER)
+AVRDUDE_FLAGS += $(AVRDUDE_NO_VERIFY)
+AVRDUDE_FLAGS += $(AVRDUDE_VERBOSE)
+AVRDUDE_FLAGS += $(AVRDUDE_ERASE_COUNTER)
+
+
+
+#---------------- Debugging Options ----------------
+
+# For simulavr only - target MCU frequency.
+DEBUG_MFREQ = $(F_CPU)
+
+# Set the DEBUG_UI to either gdb or insight.
+# DEBUG_UI = gdb
+DEBUG_UI = insight
+
+# Set the debugging back-end to either avarice, simulavr.
+DEBUG_BACKEND = avarice
+#DEBUG_BACKEND = simulavr
+
+# GDB Init Filename.
+GDBINIT_FILE = __avr_gdbinit
+
+# When using avarice settings for the JTAG
+JTAG_DEV = /dev/com1
+
+# Debugging port used to communicate between GDB / avarice / simulavr.
+DEBUG_PORT = 4242
+
+# Debugging host used to communicate between GDB / avarice / simulavr, normally
+# just set to localhost unless doing some sort of crazy debugging when
+# avarice is running on a different computer.
+DEBUG_HOST = localhost
+
+
+
+#============================================================================
+
+
+# Define programs and commands.
+SHELL = sh
+CC = avr-gcc
+OBJCOPY = avr-objcopy
+OBJDUMP = avr-objdump
+SIZE = avr-size
+AR = avr-ar rcs
+NM = avr-nm
+AVRDUDE = /Applications/avrdude -C /Applications/avrdude.conf -B 1
+REMOVE = rm -f
+REMOVEDIR = rm -rf
+COPY = cp
+WINSHELL = cmd
+
+
+# Define Messages
+# English
+MSG_ERRORS_NONE = Errors: none
+MSG_BEGIN = -------- begin --------
+MSG_END = -------- end --------
+MSG_SIZE_BEFORE = Size before:
+MSG_SIZE_AFTER = Size after:
+MSG_COFF = Converting to AVR COFF:
+MSG_EXTENDED_COFF = Converting to AVR Extended COFF:
+MSG_FLASH = Creating load file for Flash:
+MSG_EEPROM = Creating load file for EEPROM:
+MSG_EXTENDED_LISTING = Creating Extended Listing:
+MSG_SYMBOL_TABLE = Creating Symbol Table:
+MSG_LINKING = Linking:
+MSG_COMPILING = Compiling C:
+MSG_COMPILING_CPP = Compiling C++:
+MSG_ASSEMBLING = Assembling:
+MSG_CLEANING = Cleaning project:
+MSG_CREATING_LIBRARY = Creating library:
+
+
+
+
+# Define all object files.
+OBJ = $(SRC:%.c=$(OBJDIR)/%.o) $(CPPSRC:%.cpp=$(OBJDIR)/%.o) $(ASRC:%.S=$(OBJDIR)/%.o)
+
+# Define all listing files.
+LST = $(SRC:%.c=$(OBJDIR)/%.lst) $(CPPSRC:%.cpp=$(OBJDIR)/%.lst) $(ASRC:%.S=$(OBJDIR)/%.lst)
+
+
+# Compiler flags to generate dependency files.
+GENDEPFLAGS = -MMD -MP -MF .dep/$(@F).d
+
+
+# Combine all necessary flags and optional flags.
+# Add target processor to flags.
+ALL_CFLAGS = -mmcu=$(MCU) -I. $(CFLAGS) $(GENDEPFLAGS)
+ALL_CPPFLAGS = -mmcu=$(MCU) -I. -x c++ $(CPPFLAGS) $(GENDEPFLAGS)
+ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
+
+
+
+
+
+# Default target.
+all: begin gccversion sizebefore build sizeafter end
+
+# Change the build target to build a HEX file or a library.
+build: elf hex eep lss sym
+#build: lib
+
+
+elf: $(TARGET).elf
+hex: $(TARGET).hex
+eep: $(TARGET).eep
+lss: $(TARGET).lss
+sym: $(TARGET).sym
+LIBNAME=lib$(TARGET).a
+lib: $(LIBNAME)
+
+
+
+# Eye candy.
+# AVR Studio 3.x does not check make's exit code but relies on
+# the following magic strings to be generated by the compile job.
+begin:
+ @echo
+ @echo $(MSG_BEGIN)
+
+end:
+ @echo $(MSG_END)
+ @echo
+
+
+# Display size of file.
+HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex
+ELFSIZE = $(SIZE) $(MCU_FLAG) $(FORMAT_FLAG) $(TARGET).elf
+MCU_FLAG = $(shell $(SIZE) --help | grep -- --mcu > /dev/null && echo --mcu=$(MCU) )
+FORMAT_FLAG = $(shell $(SIZE) --help | grep -- --format=.*avr > /dev/null && echo --format=avr )
+
+
+sizebefore:
+ @if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); \
+ 2>/dev/null; echo; fi
+
+sizeafter:
+ @if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); \
+ 2>/dev/null; echo; fi
+
+
+
+# Display compiler version information.
+gccversion :
+ @$(CC) --version
+
+
+# Program the device.
+program: $(TARGET).hex $(TARGET).eep
+ $(AVRDUDE) $(AVRDUDE_FLAGS) $(AVRDUDE_WRITE_FLASH) $(AVRDUDE_WRITE_EEPROM)
+
+
+# Generate avr-gdb config/init file which does the following:
+# define the reset signal, load the target file, connect to target, and set
+# a breakpoint at main().
+gdb-config:
+ @$(REMOVE) $(GDBINIT_FILE)
+ @echo define reset >> $(GDBINIT_FILE)
+ @echo SIGNAL SIGHUP >> $(GDBINIT_FILE)
+ @echo end >> $(GDBINIT_FILE)
+ @echo file $(TARGET).elf >> $(GDBINIT_FILE)
+ @echo target remote $(DEBUG_HOST):$(DEBUG_PORT) >> $(GDBINIT_FILE)
+ifeq ($(DEBUG_BACKEND),simulavr)
+ @echo load >> $(GDBINIT_FILE)
+endif
+ @echo break main >> $(GDBINIT_FILE)
+
+debug: gdb-config $(TARGET).elf
+ifeq ($(DEBUG_BACKEND), avarice)
+ @echo Starting AVaRICE - Press enter when "waiting to connect" message displays.
+ @$(WINSHELL) /c start avarice --jtag $(JTAG_DEV) --erase --program --file \
+ $(TARGET).elf $(DEBUG_HOST):$(DEBUG_PORT)
+ @$(WINSHELL) /c pause
+
+else
+ @$(WINSHELL) /c start simulavr --gdbserver --device $(MCU) --clock-freq \
+ $(DEBUG_MFREQ) --port $(DEBUG_PORT)
+endif
+ @$(WINSHELL) /c start avr-$(DEBUG_UI) --command=$(GDBINIT_FILE)
+
+
+
+
+# Convert ELF to COFF for use in debugging / simulating in AVR Studio or VMLAB.
+COFFCONVERT = $(OBJCOPY) --debugging
+COFFCONVERT += --change-section-address .data-0x800000
+COFFCONVERT += --change-section-address .bss-0x800000
+COFFCONVERT += --change-section-address .noinit-0x800000
+COFFCONVERT += --change-section-address .eeprom-0x810000
+
+
+
+coff: $(TARGET).elf
+ @echo
+ @echo $(MSG_COFF) $(TARGET).cof
+ $(COFFCONVERT) -O coff-avr $< $(TARGET).cof
+
+
+extcoff: $(TARGET).elf
+ @echo
+ @echo $(MSG_EXTENDED_COFF) $(TARGET).cof
+ $(COFFCONVERT) -O coff-ext-avr $< $(TARGET).cof
+
+
+
+# Create final output files (.hex, .eep) from ELF output file.
+%.hex: %.elf
+ @echo
+ @echo $(MSG_FLASH) $@
+ $(OBJCOPY) -O $(FORMAT) -R .eeprom -R .fuse -R .lock $< $@
+
+%.eep: %.elf
+ @echo
+ @echo $(MSG_EEPROM) $@
+ -$(OBJCOPY) -j .eeprom --set-section-flags=.eeprom="alloc,load" \
+ --change-section-lma .eeprom=0 --no-change-warnings -O $(FORMAT) $< $@ || exit 0
+
+# Create extended listing file from ELF output file.
+%.lss: %.elf
+ @echo
+ @echo $(MSG_EXTENDED_LISTING) $@
+ $(OBJDUMP) -h -S -z $< > $@
+
+# Create a symbol table from ELF output file.
+%.sym: %.elf
+ @echo
+ @echo $(MSG_SYMBOL_TABLE) $@
+ $(NM) -n $< > $@
+
+
+
+# Create library from object files.
+.SECONDARY : $(TARGET).a
+.PRECIOUS : $(OBJ)
+%.a: $(OBJ)
+ @echo
+ @echo $(MSG_CREATING_LIBRARY) $@
+ $(AR) $@ $(OBJ)
+
+
+# Link: create ELF output file from object files.
+.SECONDARY : $(TARGET).elf
+.PRECIOUS : $(OBJ)
+%.elf: $(OBJ)
+ @echo
+ @echo $(MSG_LINKING) $@
+ $(CC) $(ALL_CFLAGS) $^ --output $@ $(LDFLAGS)
+
+
+# Compile: create object files from C source files.
+$(OBJDIR)/%.o : %.c
+ @echo
+ @echo $(MSG_COMPILING) $<
+ $(CC) -c $(ALL_CFLAGS) $< -o $@
+
+
+# Compile: create object files from C++ source files.
+$(OBJDIR)/%.o : %.cpp
+ @echo
+ @echo $(MSG_COMPILING_CPP) $<
+ $(CC) -c $(ALL_CPPFLAGS) $< -o $@
+
+
+# Compile: create assembler files from C source files.
+%.s : %.c
+ $(CC) -S $(ALL_CFLAGS) $< -o $@
+
+
+# Compile: create assembler files from C++ source files.
+%.s : %.cpp
+ $(CC) -S $(ALL_CPPFLAGS) $< -o $@
+
+
+# Assemble: create object files from assembler source files.
+$(OBJDIR)/%.o : %.S
+ @echo
+ @echo $(MSG_ASSEMBLING) $<
+ $(CC) -c $(ALL_ASFLAGS) $< -o $@
+
+
+# Create preprocessed source for use in sending a bug report.
+%.i : %.c
+ $(CC) -E -mmcu=$(MCU) -I. $(CFLAGS) $< -o $@
+
+
+# Target: clean project.
+clean: begin clean_list end
+
+clean_list :
+ @echo
+ @echo $(MSG_CLEANING)
+ $(REMOVE) $(TARGET).hex
+ $(REMOVE) $(TARGET).eep
+ $(REMOVE) $(TARGET).cof
+ $(REMOVE) $(TARGET).elf
+ $(REMOVE) $(TARGET).map
+ $(REMOVE) $(TARGET).sym
+ $(REMOVE) $(TARGET).lss
+ $(REMOVE) $(SRC:%.c=$(OBJDIR)/%.o) $(CPPSRC:%.cpp=$(OBJDIR)/%.o) $(ASRC:%.S=$(OBJDIR)/%.o)
+ $(REMOVE) $(SRC:%.c=$(OBJDIR)/%.lst) $(CPPSRC:%.cpp=$(OBJDIR)/%.lst) $(ASRC:%.S=$(OBJDIR)/%.lst)
+ $(REMOVE) $(SRC:.c=.s)
+ $(REMOVE) $(SRC:.c=.d)
+ $(REMOVE) $(SRC:.c=.i)
+ $(REMOVEDIR) .dep
+
+doxygen:
+ @echo Generating Project Documentation \($(TARGET)\)...
+ @doxygen Doxygen.conf
+ @echo Documentation Generation Complete.
+
+clean_doxygen:
+ rm -rf Documentation
+
+checksource:
+ @for f in $(SRC) $(CPPSRC) $(ASRC); do \
+ if [ -f $$f ]; then \
+ echo "Found Source File: $$f" ; \
+ else \
+ echo "Source File Not Found: $$f" ; \
+ fi; done
+
+
+# Create object files directory
+$(shell mkdir $(OBJDIR) 2>/dev/null)
+
+
+# Include the dependency files.
+-include $(shell mkdir .dep 2>/dev/null) $(wildcard .dep/*)
+
+
+# Listing of phony targets.
+.PHONY : all begin finish end sizebefore sizeafter gccversion \
+build elf hex eep lss sym coff extcoff doxygen clean \
+clean_list clean_doxygen program debug gdb-config checksource
+
diff --git a/bootloaders/diskloader/DiskLoader-Leonardo.hex b/bootloaders/diskloader/DiskLoader-Leonardo.hex deleted file mode 100644 index 0d0c167..0000000 --- a/bootloaders/diskloader/DiskLoader-Leonardo.hex +++ /dev/null @@ -1,115 +0,0 @@ -:1078000011241FBECFEFDAE0DEBFCDBFFFC04101C4
-:1078100042144505560455026403740300001E9586
-:1078200087020110030000C18081C106C0FF0A0069
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diff --git a/bootloaders/diskloader/Makefile b/bootloaders/diskloader/Makefile deleted file mode 100644 index 6ac3db3..0000000 --- a/bootloaders/diskloader/Makefile +++ /dev/null @@ -1,105 +0,0 @@ -############################################################################### -# Makefile for DiskLoader -############################################################################### - -## General Flags -PROJECT = DiskLoader -TARGET = DiskLoader.elf -CC = avr-gcc - -# BOARD2 -MCU = atmega32u4 -AVR_FREQ = 16000000L - -# Specify the Arduino model using the assigned PID. This is used by Descriptors.c
-# to set PID and product descriptor string
-# Arduino Leonardo PID
-ARDUINO_MODEL_PID = 0x0034
-# Arduino Micro PID
-#ARDUINO_MODEL_PID = 0x0035 - -# Change if your programmer is different -AVRDUDE_PROGRAMMER = avrispmkII -AVRDUDE_PORT = usb - -# program name should not be changed... -PROGRAM = DiskLoader - -AVRDUDE = avrdude -AVRDUDE_FLAGS = -p $(MCU) -P $(AVRDUDE_PORT) -c $(AVRDUDE_PROGRAMMER) -p $(MCU) - -## Options common to compile, link and assembly rules -COMMON = -mmcu=$(MCU) - -override CFLAGS = -g -Wall -Os -mmcu=$(MCU) -DF_CPU=$(AVR_FREQ) -DARDUINO_MODEL_PID=$(ARDUINO_MODEL_PID) $(DEFS) -ffunction-sections -gdwarf-2 -fdata-sections -fno-split-wide-types - -## Assembly specific flags -ASMFLAGS = $(COMMON) -ASMFLAGS += $(CFLAGS) -ASMFLAGS += -x assembler-with-cpp -Wa,-gdwarf2 - -## Linker flags -LDFLAGS = $(COMMON) -LDFLAGS += -Wl,-gc-sections,-Map=DiskLoader.map,--section-start=.text=0x7800,--relax -LDFLAGS += -nodefaultlibs -nostartfiles - - -## Intel Hex file production flags -HEX_EEPROM_FLAGS = -j .eeprom -HEX_EEPROM_FLAGS += --set-section-flags=.eeprom="alloc,load" -HEX_EEPROM_FLAGS += --change-section-lma .eeprom=0 --no-change-warnings - -## Objects explicitly added by the user -LINKONLYOBJECTS = - -MODULES := . -SRC_DIR := $(addprefix src/,$(MODULES)) -BUILD_DIR := $(addprefix build/,$(MODULES)) - -SRC := $(foreach sdir,$(SRC_DIR),$(wildcard $(sdir)/*.cpp)) -OBJ := $(patsubst src/%.cpp,build/%.o,$(SRC)) -DEP := $(OBJ:%.o=%.d) -INCLUDES := $(addprefix -I,$(SRC_DIR)) - -vpath %.cpp $(SRC_DIR) - -.PHONY: all checkdirs clean - -all: checkdirs $(TARGET) DiskLoader.hex DiskLoader.lss size - --include $(DEP) - -checkdirs: $(BUILD_DIR) - -$(BUILD_DIR): - @mkdir -p $@ - -clean: - @rm -rf build/ - @rm -f *.hex - @rm -f *.elf - @rm -f *.lss - @rm -f *.map - -define make-goal -$1/%.o: %.cpp - $(CC) $(INCLUDES) $(CFLAGS) -c $$< -MD -o $$@ -endef - -$(foreach bdir,$(BUILD_DIR),$(eval $(call make-goal,$(bdir)))) - -$(TARGET): $(OBJ) - $(CC) $(LDFLAGS) $(LINKONLYOBJECTS) $(LIBDIRS) $(LIBS) $^ -o $@ - -%.hex: $(TARGET) - avr-objcopy -O ihex $(HEX_FLASH_FLAGS) $< $@ - -%.lss: $(TARGET) - avr-objdump -h -S $< > $@ - -size: $(TARGET) - @echo -# @avr-size -C --mcu=${MCU} ${TARGET}.elf - -program: $(TARGET).hex - $(AVRDUDE) $(AVRDUDE_FLAGS) -B 5 -u -U flash:w:$(TARGET).hex
\ No newline at end of file diff --git a/bootloaders/diskloader/src/DiskLoader.cpp b/bootloaders/diskloader/src/DiskLoader.cpp deleted file mode 100644 index 6580618..0000000 --- a/bootloaders/diskloader/src/DiskLoader.cpp +++ /dev/null @@ -1,239 +0,0 @@ - - -#include "Platform.h" - -// This bootloader creates a composite Serial device -// -// The serial interface supports a STK500v1 protocol that is very similar to optiboot -// -// The bootloader will timeout and start the firmware after a few hundred milliseconds -// if a usb connection is not detected. -// -// The tweakier code is to keep the bootloader below 2k (no interrupt table, for example) - -extern "C" -void entrypoint(void) __attribute__ ((naked)) __attribute__ ((section (".vectors"))); -void entrypoint(void) -{ - asm volatile ( - "eor r1, r1\n" // Zero register - "out 0x3F, r1\n" // SREG - "ldi r28, 0xFF\n" - "ldi r29, 0x0A\n" - "out 0x3E, r29\n" // SPH - "out 0x3D, r28\n" // SPL - "rjmp main" // Stack is all set up, start the main code - ::); -} - -u8 _flashbuf[128]; -u8 _inSync; -u8 _ok; -extern volatile u8 _ejected; -extern volatile u16 _timeout; - -void Program(u8 ep, u16 page, u8 count) -{ - u8 write = page < 30*1024; // Don't write over firmware please - if (write) - boot_page_erase(page); - - Recv(ep,_flashbuf,count); // Read while page is erasing - - if (!write) - return; - - boot_spm_busy_wait(); // Wait until the memory is erased. - - count >>= 1; - u16* p = (u16*)page; - u16* b = (u16*)_flashbuf; - for (u8 i = 0; i < count; i++) - boot_page_fill(p++, b[i]); - - boot_page_write(page); - boot_spm_busy_wait(); - boot_rww_enable (); -} - - -int USBGetChar(); -#define getch USBGetChar - -#define HW_VER 0x02 -#define SW_MAJOR 0x01 -#define SW_MINOR 0x10 - -#define STK_OK 0x10 -#define STK_INSYNC 0x14 // ' ' -#define CRC_EOP 0x20 // 'SPACE' -#define STK_GET_SYNC 0x30 // '0' - -#define STK_GET_PARAMETER 0x41 // 'A' -#define STK_SET_DEVICE 0x42 // 'B' -#define STK_SET_DEVICE_EXT 0x45 // 'E' -#define STK_LOAD_ADDRESS 0x55 // 'U' -#define STK_UNIVERSAL 0x56 // 'V' -#define STK_PROG_PAGE 0x64 // 'd' -#define STK_READ_PAGE 0x74 // 't' -#define STK_READ_SIGN 0x75 // 'u' - -extern const u8 _readSize[] PROGMEM; -const u8 _readSize[] = -{ - STK_GET_PARAMETER, 1, - STK_SET_DEVICE, 20, - STK_SET_DEVICE_EXT, 5, - STK_UNIVERSAL, 4, - STK_LOAD_ADDRESS, 2, - STK_PROG_PAGE, 3, - STK_READ_PAGE, 3, - 0,0 -}; - -extern const u8 _consts[] PROGMEM; -const u8 _consts[] = -{ - SIGNATURE_0, - SIGNATURE_1, - SIGNATURE_2, - HW_VER, // Hardware version - SW_MAJOR, // Software major version - SW_MINOR, // Software minor version - 0x03, // Unknown but seems to be required by avr studio 3.56 - 0x00, // -}; - - -void USBInit(void); -int main(void) __attribute__ ((naked)); - -// STK500v1 main loop, very similar to optiboot in protocol and implementation -int main() -{ - wdt_disable(); - TXLED0; - RXLED0; - LED0; - BOARD_INIT(); - USBInit(); - - _inSync = STK_INSYNC; - _ok = STK_OK; - - if (pgm_read_word(0) != -1) - _ejected = 1; - - for(;;) - { - u8* packet = _flashbuf; - u16 address = 0; - for (;;) - { - u8 cmd = getch(); - - // Read packet contents - u8 len; - const u8* rs = _readSize; - for(;;) - { - u8 c = pgm_read_byte(rs++); - len = pgm_read_byte(rs++); - if (c == cmd || c == 0) - break; - } - _timeout = 0; - // Read params - Recv(CDC_RX,packet,len); - - // Send a response - u8 send = 0; - const u8* pgm = _consts+7; // 0 - if (STK_GET_PARAMETER == cmd) - { - u8 i = packet[0] - 0x80; - if (i > 2) - i = (i == 0x18) ? 3 : 4; // 0x80:HW_VER,0x81:SW_MAJOR,0x82:SW_MINOR,0x18:3 or 0 - pgm = _consts + i + 3; - send = 1; - } - - else if (STK_UNIVERSAL == cmd) - { - if (packet[0] == 0x30) - pgm = _consts + packet[2]; // read signature - send = 1; - } - - // Read signature bytes - else if (STK_READ_SIGN == cmd) - { - pgm = _consts; - send = 3; - } - - else if (STK_LOAD_ADDRESS == cmd) - { - address = *((u16*)packet); // word addresses - address += address; - } - - else if (STK_PROG_PAGE == cmd) - { - Program(CDC_RX,address,packet[1]); - } - - else if (STK_READ_PAGE == cmd) - { - send = packet[1]; - pgm = (const u8*)address; - address += send; // not sure of this is required - } - - // Check sync - if (getch() != ' ') - break; - Transfer(CDC_TX,&_inSync,1); - - // Send result - if (send) - Transfer(CDC_TX|TRANSFER_PGM,pgm,send); // All from pgm memory - - // Send ok - Transfer(CDC_TX|TRANSFER_RELEASE,&_ok,1); - - if (cmd == 'Q') - break; - } - _timeout = 500; // wait a moment before exiting the bootloader - may need to finish responding to 'Q' for example - _ejected = 1; - } -} - -// Nice breathing LED indicates we are in the firmware -u16 _pulse; -void LEDPulse() -{ - _pulse += 4; - u8 p = _pulse >> 9; - if (p > 63) - p = 127-p; - p += p; - if (((u8)_pulse) > p) - LED0; - else - LED1; -} - -void Reboot() -{ - TXLED0; // switch off the RX and TX LEDs before starting the user sketch - RXLED0; - UDCON = 1; // Detatch USB - UDIEN = 0; - asm volatile ( // Reset vector to run firmware - "clr r30\n" - "clr r31\n" - "ijmp\n" - ::); -} diff --git a/bootloaders/diskloader/src/Platform.h b/bootloaders/diskloader/src/Platform.h deleted file mode 100644 index 04c5b79..0000000 --- a/bootloaders/diskloader/src/Platform.h +++ /dev/null @@ -1,51 +0,0 @@ - -#include <inttypes.h> -#include <avr/io.h> -#include <avr/pgmspace.h> -#include <avr/boot.h> -#include <util/delay.h> -#include <avr/interrupt.h> -#include <avr/wdt.h> - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> - -typedef unsigned char u8; -typedef unsigned short u16; -typedef unsigned long u32; - - -#define CPU_PRESCALE(n) (CLKPR = 0x80, CLKPR = (n)) -#define DISABLE_JTAG() MCUCR = (1 << JTD) | (1 << IVCE) | (0 << PUD); MCUCR = (1 << JTD) | (0 << IVSEL) | (0 << IVCE) | (0 << PUD); - -#define USB_PID_LEONARDO 0x0034 -#define USB_PID_MICRO 0x0035 -#define USB_VID 0x2341 // arduino LLC vid -#define USB_PID ARDUINO_MODEL_PID // passed in by Makefile - 0x0034 for Leonardo, 0x0035 for MIcro - -#define USB_SERIAL_STRING '0','0','0','0','0','0','0','0','1','7','0','1' - -#define OEM_NAME 'l','e','o','n','a','r','d','o' // 8 chars -#define BOARD_INIT() DDRC |= (1<<7); DDRB |= (1<<0); DDRD |= (1<<5); CPU_PRESCALE(0); DISABLE_JTAG(); -#define LED0 PORTC &= ~(1<<7) -#define LED1 PORTC |= (1<<7) -#define TXLED0 PORTD |= (1<<5) -#define TXLED1 PORTD &= ~(1<<5) -#define RXLED0 PORTB |= (1<<0) -#define RXLED1 PORTB &= ~(1<<0) - -#define TRANSFER_PGM 0x80 -#define TRANSFER_RELEASE 0x40 -#define TRANSFER_ZERO 0x20 - -void Transfer(u8 ep, const u8* data, int len); -void Recv(u8 ep, u8* dst, u8 len); -void Program(u8 ep, u16 page, u8 count); - -#define CDC_ENABLED - -#include "USBCore.h" -#include "USBDesc.h" - - diff --git a/bootloaders/diskloader/src/USBCore.cpp b/bootloaders/diskloader/src/USBCore.cpp deleted file mode 100644 index 208121e..0000000 --- a/bootloaders/diskloader/src/USBCore.cpp +++ /dev/null @@ -1,510 +0,0 @@ - - -/* Copyright (c) 2010, Peter Barrett -** -** Permission to use, copy, modify, and/or distribute this software for -** any purpose with or without fee is hereby granted, provided that the -** above copyright notice and this permission notice appear in all copies. -** -** THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL -** WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED -** WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR -** BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES -** OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, -** WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, -** ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS -** SOFTWARE. -*/ - -#include "Platform.h" - -#define CDC_TX CDC_ENDPOINT_IN -#define CDC_RX CDC_ENDPOINT_OUT - -#define EP_TYPE_CONTROL 0x00 -#define EP_TYPE_BULK_IN 0x81 -#define EP_TYPE_BULK_OUT 0x80 -#define EP_TYPE_INTERRUPT_IN 0xC1 -#define EP_TYPE_INTERRUPT_OUT 0xC0 -#define EP_TYPE_ISOCHRONOUS_IN 0x41 -#define EP_TYPE_ISOCHRONOUS_OUT 0x40 - -/** Pulse generation counters to keep track of the number of milliseconds remaining for each pulse type */ -#define TX_RX_LED_PULSE_MS 100 -u8 TxLEDPulse; /**< Milliseconds remaining for data Tx LED pulse */ -u8 RxLEDPulse; /**< Milliseconds remaining for data Rx LED pulse */ - -void Reboot(); - -//================================================================== -//================================================================== - -typedef struct -{ - u32 dwDTERate; - u8 bCharFormat; - u8 bParityType; - u8 bDataBits; - u8 lineState; -} LineInfo; - -static volatile LineInfo _usbLineInfo = { 57600, 0x00, 0x00, 0x00, 0x00 }; - -//================================================================== -//================================================================== - -// 4 bytes of RAM -volatile u8 _usbConfiguration; -volatile u8 _ejected; -volatile u16 _timeout; - -static inline void WaitIN(void) -{ - while (!(UEINTX & (1<<TXINI))); -} - -static inline void ClearIN(void) -{ - UEINTX = ~(1<<TXINI); -} - -static inline void WaitOUT(void) -{ - while (!(UEINTX & (1<<RXOUTI))) - ; -} - -static inline u8 WaitForINOrOUT() -{ - while (!(UEINTX & ((1<<TXINI)|(1<<RXOUTI)))) - ; - return (UEINTX & (1<<RXOUTI)) == 0; -} - -static inline void ClearOUT(void) -{ - UEINTX = ~(1<<RXOUTI); -} - -static -void Send(volatile const u8* data, u8 count) -{ - TXLED1; // light the TX LED - TxLEDPulse = TX_RX_LED_PULSE_MS; - while (count--) - UEDATX = *data++; -} - -void Recv(volatile u8* data, u8 count) -{ - RXLED1; // light the RX LED - RxLEDPulse = TX_RX_LED_PULSE_MS; - while (count--) - *data++ = UEDATX; -} - -static inline u8 Recv8() -{ - RXLED1; // light the RX LED - RxLEDPulse = TX_RX_LED_PULSE_MS; - return UEDATX; -} - -static inline void Send8(u8 d) -{ - TXLED1; // light the TX LED - TxLEDPulse = TX_RX_LED_PULSE_MS; - UEDATX = d; -} - -static inline void SetEP(u8 ep) -{ - UENUM = ep; -} - -static inline u8 FifoByteCount() -{ - return UEBCLX; -} - -static inline u8 ReceivedSetupInt() -{ - return UEINTX & (1<<RXSTPI); -} - -static inline void ClearSetupInt() -{ - UEINTX = ~((1<<RXSTPI) | (1<<RXOUTI) | (1<<TXINI)); -} - -static inline void Stall() -{ - UECONX = (1<<STALLRQ) | (1<<EPEN); -} - -static inline u8 ReadWriteAllowed() -{ - return UEINTX & (1<<RWAL); -} - -static inline u8 Stalled() -{ - return UEINTX & (1<<STALLEDI); -} - -static inline u8 FifoFree() -{ - return UEINTX & (1<<FIFOCON); -} - -static inline void ReleaseRX() -{ - UEINTX = 0x6B; // FIFOCON=0 NAKINI=1 RWAL=1 NAKOUTI=0 RXSTPI=1 RXOUTI=0 STALLEDI=1 TXINI=1 -} - -static inline void ReleaseTX() -{ - UEINTX = 0x3A; // FIFOCON=0 NAKINI=0 RWAL=1 NAKOUTI=1 RXSTPI=1 RXOUTI=0 STALLEDI=1 TXINI=0 -} - -static inline u8 FrameNumber() -{ - return UDFNUML; -} - -//================================================================== -//================================================================== - -#define EP_SINGLE_64 0x32 // EP0 -#define EP_DOUBLE_64 0x36 // Other endpoints - -static void InitEP(u8 index, u8 type, u8 size) -{ - UENUM = index; - UECONX = 1; - UECFG0X = type; - UECFG1X = size; -} - -// API -void USBInit(void) -{ - _timeout = 0; - _usbConfiguration = 0; - _ejected = 0; - - UHWCON = 0x01; // power internal reg (don't need this?) - USBCON = (1<<USBE)|(1<<FRZCLK); // clock frozen, usb enabled - PLLCSR = 0x12; // Need 16 MHz xtal - while (!(PLLCSR & (1<<PLOCK))) // wait for lock pll - ; - USBCON = ((1<<USBE)|(1<<OTGPADE)); // start USB clock - UDCON = 0; // enable attach resistor -} - -u8 USBGetConfiguration(void) -{ - return _usbConfiguration; -} - -u8 HasData(u8 ep) -{ - SetEP(ep); - return ReadWriteAllowed(); // count in fifo -} - -int USBGetChar(); -void Recv(u8 ep, u8* dst, u8 len) -{ - SetEP(ep); - while (len--) - { - while (!ReadWriteAllowed()) - ; - *dst++ = Recv8(); - if (!ReadWriteAllowed()) // release empty buffer - ReleaseRX(); - } -} - -// Transmit a packet to endpoint -void Transfer(u8 ep, const u8* data, int len) -{ - u8 zero = ep & TRANSFER_ZERO; - SetEP(ep & 7); - while (len--) - { - while (!ReadWriteAllowed()) - ; // TODO Check for STALL etc - - u8 d = (ep & TRANSFER_PGM) ? pgm_read_byte(data) : data[0]; - data++; - if (zero) - d = 0; - Send8(d); - - if (!ReadWriteAllowed()) - ReleaseTX(); - } - if (ep & TRANSFER_RELEASE) - ReleaseTX(); -} - -extern const u8 _initEndpoints[] PROGMEM; -const u8 _initEndpoints[] = -{ - 0, - -#ifdef CDC_ENABLED - EP_TYPE_INTERRUPT_IN, // CDC_ENDPOINT_ACM - EP_TYPE_BULK_OUT, // CDC_ENDPOINT_OUT - EP_TYPE_BULK_IN, // CDC_ENDPOINT_IN -#endif - - EP_TYPE_INTERRUPT_IN, // HID_ENDPOINT_INT -}; - -static void InitEndpoints() -{ - for (u8 i = 1; i < sizeof(_initEndpoints); i++) - { - UENUM = i; - UECONX = 1; - UECFG0X = pgm_read_byte(_initEndpoints+i); - UECFG1X = EP_DOUBLE_64; - } - UERST = 0x7E; // And reset them - UERST = 0; -} - -typedef struct -{ - u8 bmRequestType; - u8 bRequest; - u8 wValueL; - u8 wValueH; - u16 wIndex; - u16 wLength; -} Setup; -Setup _setup; - -//bool USBHook(Setup& setup) -bool USBHook() -{ - Setup& setup = _setup; - u8 r = setup.bRequest; - - // CDC Requests - if (CDC_GET_LINE_CODING == r) - { - Send((const volatile u8*)&_usbLineInfo,7); - } - - else if (CDC_SET_LINE_CODING == r) - { - WaitOUT(); - Recv((volatile u8*)&_usbLineInfo,7); - ClearOUT(); - } - - else if (CDC_SET_CONTROL_LINE_STATE == r) - { - _usbLineInfo.lineState = setup.wValueL; - } - - return true; -} - -extern const u8 _rawHID[] PROGMEM; -#define LSB(_x) ((_x) & 0xFF) -#define MSB(_x) ((_x) >> 8) - -#define RAWHID_USAGE_PAGE 0xFFC0 -#define RAWHID_USAGE 0x0C00 -#define RAWHID_TX_SIZE 64 -#define RAWHID_RX_SIZE 64 - -const u8 _rawHID[] = -{ - // RAW HID - 0x06, LSB(RAWHID_USAGE_PAGE), MSB(RAWHID_USAGE_PAGE), // 30 - 0x0A, LSB(RAWHID_USAGE), MSB(RAWHID_USAGE), - - 0xA1, 0x01, // Collection 0x01 - 0x85, 0x03, // REPORT_ID (3) - 0x75, 0x08, // report size = 8 bits - 0x15, 0x00, // logical minimum = 0 - 0x26, 0xFF, 0x00, // logical maximum = 255 - - 0x95, 64, // report count TX - 0x09, 0x01, // usage - 0x81, 0x02, // Input (array) - - 0x95, 64, // report count RX - 0x09, 0x02, // usage - 0x91, 0x02, // Output (array) - 0xC0 // end collection -}; - -u8 _cdcComposite = 0; - -bool SendDescriptor() -{ - Setup& setup = _setup; - u8 desc_length = 0; - const u8* desc_addr = 0; - - u8 t = setup.wValueH; - if (0x22 == t) - { - desc_addr = _rawHID; - desc_length = sizeof(desc_length); - } else if (USB_DEVICE_DESCRIPTOR_TYPE == t) - { - if (setup.wLength == 8) - _cdcComposite = 1; - desc_addr = _cdcComposite ? (const u8*)&USB_DeviceDescriptorA : (const u8*)&USB_DeviceDescriptor; - } - else if (USB_CONFIGURATION_DESCRIPTOR_TYPE == t) - { - desc_addr = (const u8*)&USB_ConfigDescriptor; - desc_length = sizeof(USB_ConfigDescriptor); - } - else if (USB_STRING_DESCRIPTOR_TYPE == t) - { - if (setup.wValueL == 0) - desc_addr = (const u8*)&STRING_LANGUAGE; - else if (setup.wValueL == IPRODUCT) - desc_addr = (const u8*)&STRING_IPRODUCT; - else if (setup.wValueL == ISERIAL) - desc_addr = (const u8*)&STRING_SERIAL; - else if (setup.wValueL == IMANUFACTURER) - desc_addr = (const u8*)&STRING_IMANUFACTURER; - else - return false; - } else - return false; - - if (desc_length == 0) - desc_length = pgm_read_byte(desc_addr); - if ((u8)setup.wLength < desc_length) // bit of a cheat limiting to 255 bytes TODO (saved 8 bytes) - desc_length = (u8)setup.wLength; - - // Send descriptor - // EP0 is 64 bytes long - // RWAL and FIFOCON don't work on EP0 - u8 n = 0; - do - { - if (!WaitForINOrOUT()) - return false; - Send8(pgm_read_byte(&desc_addr[n++])); - u8 clr = n & 0x3F; - if (!clr) - ClearIN(); // Fifo is full, release this packet - } while (n < desc_length); - return true; -} - -void USBSetupInterrupt() -{ - SetEP(0); - if (!ReceivedSetupInt()) - return; - - Setup& setup = _setup; // global saves ~30 bytes - Recv((u8*)&setup,8); - ClearSetupInt(); - - if (setup.bmRequestType & DEVICETOHOST) - WaitIN(); - else - ClearIN(); - - bool ok = true; - u8 r = setup.bRequest; - if (SET_ADDRESS == r) - { - WaitIN(); - UDADDR = setup.wValueL | (1<<ADDEN); - } - else if (SET_CONFIGURATION == r) - { - _usbConfiguration = setup.wValueL; - InitEndpoints(); - } - else if (GET_CONFIGURATION == r) - { - Send8(_usbConfiguration); - } - else if (GET_STATUS == r) - { - Send8(0); // All good as far as I know - } - else if (GET_DESCRIPTOR == r) - { - ok = SendDescriptor(); - } - else - { - ok = USBHook(); - } - - if (ok) - ClearIN(); - else - Stall(); -} - -void USBGeneralInterrupt() -{ - u8 udint = UDINT; - UDINT = 0; - - // End of Reset - if (udint & (1<<EORSTI)) - { - InitEP(0,EP_TYPE_CONTROL,EP_SINGLE_64); // init ep0 - _usbConfiguration = 0; // not configured yet - } - - // Start of Frame - happens every millisecond so we use it for TX and RX LED one-shot timing, too - if (udint & (1<<SOFI)) - { - // check whether the one-shot period has elapsed. if so, turn off the LED - if (TxLEDPulse && !(--TxLEDPulse)) - TXLED0; - if (RxLEDPulse && !(--RxLEDPulse)) - RXLED0; - - if (!_ejected) - _timeout = 0; - } -} - -void LEDPulse(); -int USBGetChar() -{ - for(;;) - { - USBSetupInterrupt(); - USBGeneralInterrupt(); - - // Read a char - if (HasData(CDC_RX)) - { - u8 c = Recv8(); - if (!ReadWriteAllowed()) - ReleaseRX(); - return c; - } - - if (!--_timeout) { - Reboot(); // USB not connected, run firmware - } - - _delay_us(100); // stretch out the bootloader period to about 5 seconds after enumeration - LEDPulse(); - } - return -1; -} diff --git a/bootloaders/diskloader/src/USBCore.h b/bootloaders/diskloader/src/USBCore.h deleted file mode 100644 index 537c0ec..0000000 --- a/bootloaders/diskloader/src/USBCore.h +++ /dev/null @@ -1,246 +0,0 @@ - -// Copyright (c) 2010, Peter Barrett -/* -** Permission to use, copy, modify, and/or distribute this software for -** any purpose with or without fee is hereby granted, provided that the -** above copyright notice and this permission notice appear in all copies. -** -** THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL -** WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED -** WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR -** BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES -** OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, -** WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, -** ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS -** SOFTWARE. -*/ - -#ifndef __USBCORE_H__ -#define __USBCORE_H__ - -#define GET_STATUS 0 -#define CLEAR_FEATURE 1 -#define SET_FEATURE 3 -#define SET_ADDRESS 5 -#define GET_DESCRIPTOR 6 -#define GET_CONFIGURATION 8 -#define SET_CONFIGURATION 9 -#define GET_INTERFACE 10 -#define SET_INTERFACE 11 - -// bmRequestType -#define HOSTTODEVICE 0x00 -#define DEVICETOHOST 0x80 -#define STANDARD 0x00 -#define CLASS 0x20 -#define VENDOR 0x40 -#define DEVICE 0x00 -#define INTERFACE 0x01 -#define ENDPOINT 0x02 -#define OTHER 0x03 - -#define CDC_SET_LINE_CODING 0x20 -#define CDC_GET_LINE_CODING 0x21 -#define CDC_SET_CONTROL_LINE_STATE 0x22 - -// Descriptors - -#define USB_DEVICE_DESC_SIZE 18 -#define USB_CONFIGUARTION_DESC_SIZE 9 -#define USB_INTERFACE_DESC_SIZE 9 -#define USB_ENDPOINT_DESC_SIZE 7 - -#define USB_DEVICE_DESCRIPTOR_TYPE 1 -#define USB_CONFIGURATION_DESCRIPTOR_TYPE 2 -#define USB_STRING_DESCRIPTOR_TYPE 3 -#define USB_INTERFACE_DESCRIPTOR_TYPE 4 -#define USB_ENDPOINT_DESCRIPTOR_TYPE 5 - -#define USB_DEVICE_CLASS_COMMUNICATIONS 0x02 -#define USB_DEVICE_CLASS_HUMAN_INTERFACE 0x03 -#define USB_DEVICE_CLASS_STORAGE 0x08 -#define USB_DEVICE_CLASS_VENDOR_SPECIFIC 0xFF - -#define USB_CONFIG_POWERED_MASK 0x40 -#define USB_CONFIG_BUS_POWERED 0x80 -#define USB_CONFIG_SELF_POWERED 0xC0 -#define USB_CONFIG_REMOTE_WAKEUP 0x20 - -// bMaxPower in Configuration Descriptor -#define USB_CONFIG_POWER_MA(mA) ((mA)/2) - -// bEndpointAddress in Endpoint Descriptor -#define USB_ENDPOINT_DIRECTION_MASK 0x80 -#define USB_ENDPOINT_OUT(addr) ((addr) | 0x00) -#define USB_ENDPOINT_IN(addr) ((addr) | 0x80) - -#define USB_ENDPOINT_TYPE_MASK 0x03 -#define USB_ENDPOINT_TYPE_CONTROL 0x00 -#define USB_ENDPOINT_TYPE_ISOCHRONOUS 0x01 -#define USB_ENDPOINT_TYPE_BULK 0x02 -#define USB_ENDPOINT_TYPE_INTERRUPT 0x03 - -#define TOBYTES(x) ((x) & 0xFF),(((x) >> 8) & 0xFF) - -#define CDC_V1_10 0x0110 -#define CDC_COMMUNICATION_INTERFACE_CLASS 0x02 - -#define CDC_CALL_MANAGEMENT 0x01 -#define CDC_ABSTRACT_CONTROL_MODEL 0x02 -#define CDC_HEADER 0x00 -#define CDC_ABSTRACT_CONTROL_MANAGEMENT 0x02 -#define CDC_UNION 0x06 -#define CDC_CS_INTERFACE 0x24 -#define CDC_CS_ENDPOINT 0x25 -#define CDC_DATA_INTERFACE_CLASS 0x0A - - -// Device -typedef struct { - u8 len; // 18 - u8 dtype; // 1 USB_DEVICE_DESCRIPTOR_TYPE - u16 usbVersion; // 0x200 - u8 deviceClass; - u8 deviceSubClass; - u8 deviceProtocol; - u8 packetSize0; // Packet 0 - u16 idVendor; - u16 idProduct; - u16 deviceVersion; // 0x100 - u8 iManufacturer; - u8 iProduct; - u8 iSerialNumber; - u8 bNumConfigurations; -} DeviceDescriptor; - -// Config -typedef struct { - u8 len; // 9 - u8 dtype; // 2 - u16 clen; // total length - u8 numInterfaces; - u8 config; - u8 iconfig; - u8 attributes; - u8 maxPower; -} ConfigDescriptor; - -// String - -// Interface -typedef struct -{ - u8 len; // 9 - u8 dtype; // 4 - u8 number; - u8 alternate; - u8 numEndpoints; - u8 interfaceClass; - u8 interfaceSubClass; - u8 protocol; - u8 iInterface; -} InterfaceDescriptor; - -// Endpoint -typedef struct -{ - u8 len; // 7 - u8 dtype; // 5 - u8 addr; - u8 attr; - u16 packetSize; - u8 interval; -} EndpointDescriptor; - -// Interface Association Descriptor -// Used to bind 2 interfaces together in CDC compostite device -typedef struct -{ - u8 len; // 8 - u8 dtype; // 11 - u8 firstInterface; - u8 interfaceCount; - u8 functionClass; - u8 funtionSubClass; - u8 functionProtocol; - u8 iInterface; -} IADDescriptor; - -// CDC CS interface descriptor -typedef struct -{ - u8 len; // 5 - u8 dtype; // 0x24 - u8 subtype; - u8 d0; - u8 d1; -} CDCCSInterfaceDescriptor; - -typedef struct -{ - u8 len; // 4 - u8 dtype; // 0x24 - u8 subtype; - u8 d0; -} CDCCSInterfaceDescriptor4; - -typedef struct -{ - IADDescriptor iad; // Only needed on compound device - - // Control - InterfaceDescriptor cif; // - CDCCSInterfaceDescriptor header; - CDCCSInterfaceDescriptor callManagement; - CDCCSInterfaceDescriptor4 controlManagement; - CDCCSInterfaceDescriptor functionalDescriptor; - EndpointDescriptor cifin; - - // Data - InterfaceDescriptor dif; - EndpointDescriptor in; - EndpointDescriptor out; -} CDCDescriptor; - -typedef struct -{ - u8 len; // 9 - u8 dtype; // 0x21 - u8 addr; - u8 versionL; // 0x101 - u8 versionH; // 0x101 - u8 country; - u8 desctype; // 0x22 report - u8 descLenL; - u8 descLenH; -} HIDDescDescriptor; - -typedef struct -{ - InterfaceDescriptor hid; - HIDDescDescriptor desc; - EndpointDescriptor in; -} HIDDescriptor; - -#define D_DEVICE(_class,_subClass,_proto,_packetSize0,_vid,_pid,_version,_im,_ip,_is,_configs) \ - { 18, 1, 0x200, _class,_subClass,_proto,_packetSize0,_vid,_pid,_version,_im,_ip,_is,_configs } - -#define D_CONFIG(_totalLength,_interfaces) \ - { 9, 2, _totalLength,_interfaces, 1, 0, USB_CONFIG_BUS_POWERED, USB_CONFIG_POWER_MA(100) } - -#define D_INTERFACE(_n,_numEndpoints,_class,_subClass,_protocol) \ - { 9, 4, _n, 0, _numEndpoints, _class,_subClass, _protocol, 0 } - -#define D_ENDPOINT(_addr,_attr,_packetSize, _interval) \ - { 7, 5, _addr,_attr,_packetSize, _interval } - -#define D_IAD(_firstInterface, _count, _class, _subClass, _protocol) \ - { 8, 11, _firstInterface, _count, _class, _subClass, _protocol, 0 } - -#define D_HIDREPORT(_descriptorLength) \ - { 9, 0x21, 0x1, 0x1, 0, 1, 0x22, _descriptorLength, 0 } - -#define D_CDCCS(_subtype,_d0,_d1) { 5, 0x24, _subtype, _d0, _d1 } -#define D_CDCCS4(_subtype,_d0) { 4, 0x24, _subtype, _d0 } - -#endif
\ No newline at end of file diff --git a/bootloaders/diskloader/src/USBDesc.cpp b/bootloaders/diskloader/src/USBDesc.cpp deleted file mode 100644 index ade072a..0000000 --- a/bootloaders/diskloader/src/USBDesc.cpp +++ /dev/null @@ -1,87 +0,0 @@ - - -/* Copyright (c) 2011, Peter Barrett -** -** Permission to use, copy, modify, and/or distribute this software for -** any purpose with or without fee is hereby granted, provided that the -** above copyright notice and this permission notice appear in all copies. -** -** THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL -** WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED -** WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR -** BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES -** OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, -** WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, -** ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS -** SOFTWARE. -*/ - -#include "Platform.h" - -//==================================================================================================== -//==================================================================================================== -// Actual device descriptors - -const u16 STRING_LANGUAGE[2] = { - (3<<8) | (2+2), - 0x0409 // English -}; - -const u16 STRING_SERIAL[13] = { - (3<<8) | (2+2*12), - USB_SERIAL_STRING -}; - -const u16 STRING_IPRODUCT[28] = { - (3<<8) | (2+2*27), -#if USB_PID == USB_PID_LEONARDO - 'A','r','d','u','i','n','o',' ','L','e','o','n','a','r','d','o',' ','b','o','o','t','l','o','a','d','e','r' -#elif USB_PID == USB_PID_MICRO - 'A','r','d','u','i','n','o',' ','M','i','c','r','o',' ','b','o','o','t','l','o','a','d','e','r',' ',' ',' ' -#endif -}; - -const u16 STRING_IMANUFACTURER[12] = { - (3<<8) | (2+2*11), - 'A','r','d','u','i','n','o',' ','L','L','C' -}; - - -//#ifdef CDC_ENABLED -DeviceDescriptor USB_DeviceDescriptorA = D_DEVICE(0X02,0X00,0X00,64,USB_VID,USB_PID,0x100,0,IPRODUCT,ISERIAL,1); -//#else -DeviceDescriptor USB_DeviceDescriptor = D_DEVICE(0x00,0x00,0x00,64,USB_VID,USB_PID,0x100,0,IPRODUCT,ISERIAL,1); -//#endif - - -Config USB_ConfigDescriptor = -{ - D_CONFIG(sizeof(Config),INTERFACE_COUNT), - -#ifdef CDC_ENABLED - // CDC - { - D_IAD(0,2,CDC_COMMUNICATION_INTERFACE_CLASS,CDC_ABSTRACT_CONTROL_MODEL,1), - - // CDC communication interface - D_INTERFACE(CDC_ACM_INTERFACE,1,CDC_COMMUNICATION_INTERFACE_CLASS,CDC_ABSTRACT_CONTROL_MODEL,0), - D_CDCCS(CDC_HEADER,0x10,0x01), // Header (1.10 bcd) - D_CDCCS(CDC_CALL_MANAGEMENT,1,1), // Device handles call management - D_CDCCS4(CDC_ABSTRACT_CONTROL_MANAGEMENT,2), // SET_LINE_CODING, GET_LINE_CODING, SET_CONTROL_LINE_STATE supported - D_CDCCS(CDC_UNION,CDC_ACM_INTERFACE,CDC_DATA_INTERFACE), // Communication interface is master, data interface is slave 0 - D_ENDPOINT(USB_ENDPOINT_IN (CDC_ENDPOINT_ACM),USB_ENDPOINT_TYPE_INTERRUPT,0x10,0x40), - - // CDC data interface - D_INTERFACE(CDC_DATA_INTERFACE,2,CDC_DATA_INTERFACE_CLASS,0,0), - D_ENDPOINT(USB_ENDPOINT_OUT(CDC_ENDPOINT_OUT),USB_ENDPOINT_TYPE_BULK,0x40,0), - D_ENDPOINT(USB_ENDPOINT_IN (CDC_ENDPOINT_IN ),USB_ENDPOINT_TYPE_BULK,0x40,0) - }, -#endif - // HID - { - D_INTERFACE(HID_INTERFACE,1,3,0,0), - D_HIDREPORT(30), - D_ENDPOINT(USB_ENDPOINT_IN (HID_ENDPOINT_INT),USB_ENDPOINT_TYPE_INTERRUPT,0x40,0x40) - } -}; - diff --git a/bootloaders/diskloader/src/USBDesc.h b/bootloaders/diskloader/src/USBDesc.h deleted file mode 100644 index a970fa4..0000000 --- a/bootloaders/diskloader/src/USBDesc.h +++ /dev/null @@ -1,65 +0,0 @@ - - -/* Copyright (c) 2011, Peter Barrett -** -** Permission to use, copy, modify, and/or distribute this software for -** any purpose with or without fee is hereby granted, provided that the -** above copyright notice and this permission notice appear in all copies. -** -** THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL -** WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED -** WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR -** BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES -** OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, -** WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, -** ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS -** SOFTWARE. -*/ - - -#ifdef CDC_ENABLED - -#define CDC_ACM_INTERFACE 0 // CDC ACM -#define CDC_DATA_INTERFACE 1 // CDC Data -#define CDC_ENDPOINT_ACM 1 -#define CDC_ENDPOINT_OUT 2 -#define CDC_ENDPOINT_IN 3 - -#define HID_INTERFACE 2 // HID Interface -#define HID_ENDPOINT_INT 4 - -#define INTERFACE_COUNT 3 // 2 for cdc + 1 for hid - -#else - -#define HID_INTERFACE 2 // HID Interface -#define HID_ENDPOINT_INT 4 - -#define INTERFACE_COUNT 1 // 1 for hid - -#endif - -typedef struct -{ - ConfigDescriptor config; -#ifdef CDC_ENABLED - CDCDescriptor cdc; -#endif - HIDDescriptor hid; -} Config; - -extern Config USB_ConfigDescriptor PROGMEM; -extern DeviceDescriptor USB_DeviceDescriptor PROGMEM; -extern DeviceDescriptor USB_DeviceDescriptorA PROGMEM; - -extern const u16 STRING_LANGUAGE[2] PROGMEM; -extern const u16 STRING_IPRODUCT[28] PROGMEM; -extern const u16 STRING_IMANUFACTURER[12] PROGMEM; -extern const u16 STRING_SERIAL[13] PROGMEM; - -#define IMANUFACTURER 1 -#define IPRODUCT 2 -#define ISERIAL 3 - -#define CDC_TX CDC_ENDPOINT_IN -#define CDC_RX CDC_ENDPOINT_OUT
\ No newline at end of file diff --git a/cores/arduino/CDC.cpp b/cores/arduino/CDC.cpp index 14a0eae..7206aa6 100644 --- a/cores/arduino/CDC.cpp +++ b/cores/arduino/CDC.cpp @@ -23,12 +23,20 @@ #if defined(USBCON) #ifdef CDC_ENABLED -void Reboot() +#if (RAMEND < 1000) +#define SERIAL_BUFFER_SIZE 16 +#else +#define SERIAL_BUFFER_SIZE 64 +#endif + +struct ring_buffer { - USB.detach(); - cli(); - asm volatile("jmp 0x7800"); // jump to bootloader - DiskLoader takes up last 2 kB -} + unsigned char buffer[SERIAL_BUFFER_SIZE]; + volatile int head; + volatile int tail; +}; + +ring_buffer cdc_rx_buffer = { { 0 }, 0, 0}; typedef struct { @@ -92,9 +100,29 @@ bool WEAK CDC_Setup(Setup& setup) if (CDC_SET_CONTROL_LINE_STATE == r) { - if (0 != _usbLineInfo.lineState && 1200 == _usbLineInfo.dwDTERate) // auto-reset is triggered when the port, already open at 1200 bps, is closed - Reboot(); _usbLineInfo.lineState = setup.wValueL; + + // auto-reset into the bootloader is triggered when the port, already + // open at 1200 bps, is closed. this is the signal to start the watchdog + // with a relatively long period so it can finish housekeeping tasks + // like servicing endpoints before the sketch ends + if (1200 == _usbLineInfo.dwDTERate) { + // We check DTR state to determine if host port is open (bit 0 of lineState). + // Serial1.print(">"); Serial1.println(_usbLineInfo.lineState, HEX); + if ((_usbLineInfo.lineState & 0x01) == 0) { + *(uint16_t *)0x0A00 = 0x7777; + wdt_enable(WDTO_120MS); + } else { + // Most OSs do some intermediate steps when configuring ports and DTR can + // twiggle more than once before stabilizing. + // To avoid spurious resets we set the watchdog to 250ms and eventually + // cancel if DTR goes back high. + + wdt_disable(); + wdt_reset(); + *(uint16_t *)0x0A00 = 0x0; + } + } return true; } } @@ -111,33 +139,49 @@ void Serial_::end(void) { } +void Serial_::accept(void) +{ + ring_buffer *buffer = &cdc_rx_buffer; + int c = USB_Recv(CDC_RX); + int i = (unsigned int)(buffer->head+1) % SERIAL_BUFFER_SIZE; + + // if we should be storing the received character into the location + // just before the tail (meaning that the head would advance to the + // current location of the tail), we're about to overflow the buffer + // and so we don't write the character or advance the head. + if (i != buffer->tail) { + buffer->buffer[buffer->head] = c; + buffer->head = i; + } +} + int Serial_::available(void) { - u8 avail = USB_Available(CDC_RX); - if (_serialPeek != -1) - avail++; - return avail; + ring_buffer *buffer = &cdc_rx_buffer; + return (unsigned int)(SERIAL_BUFFER_SIZE + buffer->head - buffer->tail) % SERIAL_BUFFER_SIZE; } -// peek is nasty int Serial_::peek(void) { - if (_serialPeek == -1) - _serialPeek = read(); - return _serialPeek; + ring_buffer *buffer = &cdc_rx_buffer; + if (buffer->head == buffer->tail) { + return -1; + } else { + return buffer->buffer[buffer->tail]; + } } int Serial_::read(void) { - int c; - if (_serialPeek != -1) - { - c = _serialPeek; - _serialPeek = -1; + ring_buffer *buffer = &cdc_rx_buffer; + // if the head isn't ahead of the tail, we don't have any characters + if (buffer->head == buffer->tail) { + return -1; } else { - c = USB_Recv(CDC_RX); - } - return c; + unsigned char c = buffer->buffer[buffer->tail]; + buffer->tail = (unsigned int)(buffer->tail + 1) % SERIAL_BUFFER_SIZE; + return c; + } } void Serial_::flush(void) @@ -172,4 +216,4 @@ size_t Serial_::write(uint8_t c) Serial_ Serial; #endif -#endif /* if defined(USBCON) */
\ No newline at end of file +#endif /* if defined(USBCON) */ diff --git a/cores/arduino/HID.cpp b/cores/arduino/HID.cpp index 8ed1566..378a157 100644 --- a/cores/arduino/HID.cpp +++ b/cores/arduino/HID.cpp @@ -144,7 +144,6 @@ u8 _hid_protocol = 1; u8 _hid_idle = 1; #define WEAK __attribute__ ((weak)) -#define WEAK int WEAK HID_GetInterface(u8* interfaceNum) { @@ -245,7 +244,7 @@ void Mouse_::release(uint8_t b) bool Mouse_::isPressed(uint8_t b) { - if (b & _buttons > 0) + if ((b & _buttons) > 0) return true; return false; } @@ -254,7 +253,7 @@ bool Mouse_::isPressed(uint8_t b) //================================================================================ // Keyboard -Keyboard_::Keyboard_() : _keyMap(0) +Keyboard_::Keyboard_() { } @@ -263,11 +262,6 @@ void Keyboard_::sendReport(KeyReport* keys) HID_SendReport(2,keys,sizeof(KeyReport)); } -void Keyboard_::setKeyMap(KeyMap* keyMap) -{ - _keyMap = keyMap; -} - extern const uint8_t _asciimap[128] PROGMEM; @@ -406,38 +400,119 @@ const uint8_t _asciimap[128] = }; uint8_t USBPutChar(uint8_t c); -size_t Keyboard_::write(uint8_t c) + +// press() adds the specified key (printing, non-printing, or modifier) +// to the persistent key report and sends the report. Because of the way +// USB HID works, the host acts like the key remains pressed until we +// call release(), releaseAll(), or otherwise clear the report and resend. +size_t Keyboard_::press(uint8_t k) { - // Keydown - { - KeyReport keys = {0}; - if (_keyMap) - _keyMap->charToKey(c,&keys); - else - { - if (c >= 128) { - setWriteError(); - return 0; - } - c = pgm_read_byte(_asciimap + c); - if (!c) { - setWriteError(); - return 0; - } - if (c & 0x80) - { - keys.modifiers |= KEY_MODIFIER_LEFT_SHIFT; - c &= 0x7F; + uint8_t i; + if (k >= 136) { // it's a non-printing key (not a modifier) + k = k - 136; + } else if (k >= 128) { // it's a modifier key + _keyReport.modifiers |= (1<<(k-128)); + k = 0; + } else { // it's a printing key + k = pgm_read_byte(_asciimap + k); + if (!k) { + setWriteError(); + return 0; + } + if (k & 0x80) { + _keyReport.modifiers |= 0x02; // the left shift modifier + k &= 0x7F; + } + } + + // Add k to the key report only if it's not already present + // and if there is an empty slot. + if (_keyReport.keys[0] != k && _keyReport.keys[1] != k && + _keyReport.keys[2] != k && _keyReport.keys[3] != k && + _keyReport.keys[4] != k && _keyReport.keys[5] != k) { + + for (i=0; i<6; i++) { + if (_keyReport.keys[i] == 0x00) { + _keyReport.keys[i] = k; + break; } - keys.keys[0] = c; } - sendReport(&keys); + if (i == 6) { + setWriteError(); + return 0; + } } - // Keyup - { - KeyReport keys = {0}; - sendReport(&keys); + sendReport(&_keyReport); + return 1; +} + +// release() takes the specified key out of the persistent key report and +// sends the report. This tells the OS the key is no longer pressed and that +// it shouldn't be repeated any more. +size_t Keyboard_::release(uint8_t k) +{ + /* + uint8_t i; + k = pgm_read_byte(_asciimap + k); + if (!k) { + return 0; + } + if (k & 0x80) { + _keyReport.modifiers |= 0x02; // the left shift modifier + k &= 0x7F; + } + */ + uint8_t i; + if (k >= 136) { // it's a non-printing key (not a modifier) + k = k - 136; + } else if (k >= 128) { // it's a modifier key + _keyReport.modifiers &= ~(1<<(k-128)); + k = 0; + } else { // it's a printing key + k = pgm_read_byte(_asciimap + k); + if (!k) { + return 0; + } + if (k & 0x80) { + _keyReport.modifiers &= ~(0x02); // the left shift modifier + k &= 0x7F; + } + } + + // Test the key report to see if k is present. Clear it if it exists. + for (i=0; i<6; i++) { + if (_keyReport.keys[i] == k) { + _keyReport.keys[i] = 0x00; + break; + } + } + if (i == 6) { + return 0; } + sendReport(&_keyReport); + return 1; +} + +void Keyboard_::releaseAll(void) +{ + _keyReport.keys[0] = 0; + _keyReport.keys[1] = 0; + _keyReport.keys[2] = 0; + _keyReport.keys[3] = 0; + _keyReport.keys[4] = 0; + _keyReport.keys[5] = 0; + _keyReport.modifiers = 0; + sendReport(&_keyReport); +} + +// type() does a press and release of the specified key. +size_t Keyboard_::type(uint8_t c) +{ + releaseAll(); + // Keydown + press(c); + // Keyup + releaseAll(); return 1; } diff --git a/cores/arduino/USBAPI.h b/cores/arduino/USBAPI.h index 26a2032..05f7318 100644 --- a/cores/arduino/USBAPI.h +++ b/cores/arduino/USBAPI.h @@ -27,11 +27,14 @@ extern USB_ USB; class Serial_ : public Stream { +private: + ring_buffer *_cdc_rx_buffer; public: void begin(uint16_t baud_count); void end(void); virtual int available(void); + virtual void accept(void); virtual int peek(void); virtual int read(void); virtual void flush(void); @@ -67,14 +70,42 @@ extern Mouse_ Mouse; //================================================================================ // Keyboard -#define KEY_MODIFIER_LEFT_CTRL 0x01 -#define KEY_MODIFIER_LEFT_SHIFT 0x02 -#define KEY_MODIFIER_LEFT_ALT 0x04 -#define KEY_MODIFIER_LEFT_GUI 0x08 -#define KEY_MODIFIER_RIGHT_CTRL 0x010 -#define KEY_MODIFIER_RIGHT_SHIFT 0x020 -#define KEY_MODIFIER_RIGHT_ALT 0x040 -#define KEY_MODIFIER_RIGHT_GUI 0x080 +#define KEY_LEFT_CTRL 0x80 +#define KEY_LEFT_SHIFT 0x81 +#define KEY_LEFT_ALT 0x82 +#define KEY_LEFT_GUI 0x83 +#define KEY_RIGHT_CTRL 0x84 +#define KEY_RIGHT_SHIFT 0x85 +#define KEY_RIGHT_ALT 0x86 +#define KEY_RIGHT_GUI 0x87 + +#define KEY_UP_ARROW 0xDA +#define KEY_DOWN_ARROW 0xD9 +#define KEY_LEFT_ARROW 0xD8 +#define KEY_RIGHT_ARROW 0xD7 +#define KEY_BACKSPACE 0xB2 +#define KEY_TAB 0xB3 +#define KEY_RETURN 0xB0 +#define KEY_ESC 0xB1 +#define KEY_INSERT 0xD1 +#define KEY_DELETE 0xD4 +#define KEY_PAGE_UP 0xD3 +#define KEY_PAGE_DOWN 0xD6 +#define KEY_HOME 0xD2 +#define KEY_END 0xD5 +#define KEY_CAPS_LOCK 0xC1 +#define KEY_F1 0xC2 +#define KEY_F2 0xC3 +#define KEY_F3 0xC4 +#define KEY_F4 0xC5 +#define KEY_F5 0xC6 +#define KEY_F6 0xC7 +#define KEY_F7 0xC8 +#define KEY_F8 0xC9 +#define KEY_F9 0xCA +#define KEY_F10 0xCB +#define KEY_F11 0xCC +#define KEY_F12 0xCD // Low level key report: up to 6 keys and shift, ctrl etc at once typedef struct @@ -84,24 +115,18 @@ typedef struct uint8_t keys[6]; } KeyReport; -// Map a character into a key report -// Called from Print to map text to keycodes -class KeyMap -{ -public: - virtual void charToKey(int c, KeyReport* keyReport) = 0; -}; - -// class Keyboard_ : public Print { private: - KeyMap* _keyMap; + KeyReport _keyReport; void sendReport(KeyReport* keys); - void setKeyMap(KeyMap* keyMap); public: Keyboard_(); - virtual size_t write(uint8_t); + virtual size_t write(uint8_t k) {return type(k);}; + virtual size_t type(uint8_t k); + virtual size_t press(uint8_t k); + virtual size_t release(uint8_t k); + virtual void releaseAll(void); }; extern Keyboard_ Keyboard; diff --git a/cores/arduino/USBCore.cpp b/cores/arduino/USBCore.cpp index 398bc73..c360d26 100644 --- a/cores/arduino/USBCore.cpp +++ b/cores/arduino/USBCore.cpp @@ -599,6 +599,8 @@ ISR(USB_GEN_vect) { #ifdef CDC_ENABLED USB_Flush(CDC_TX); // Send a tx frame if found + while (USB_Available(CDC_RX)) // Handle received bytes (if any) + Serial.accept(); #endif // check whether the one-shot period has elapsed. if so, turn off the LED @@ -635,6 +637,12 @@ void USB_::attach() PLLCSR = 0x12; // Need 16 MHz xtal while (!(PLLCSR & (1<<PLOCK))) // wait for lock pll ; + + // Some tests on specific versions of macosx (10.7.3), reported some + // strange behaviuors when the board is reset using the serial + // port touch at 1200 bps. This delay fixes this behaviour. + delay(1); + USBCON = ((1<<USBE)|(1<<OTGPADE)); // start USB clock UDIEN = (1<<EORSTE)|(1<<SOFE); // Enable interrupts for EOR (End of Reset) and SOF (start of frame) UDCON = 0; // enable attach resistor @@ -657,4 +665,4 @@ void USB_::poll() { } -#endif /* if defined(USBCON) */
\ No newline at end of file +#endif /* if defined(USBCON) */ diff --git a/cores/arduino/USBDesc.h b/cores/arduino/USBDesc.h index 549ed9e..5cd90ad 100644 --- a/cores/arduino/USBDesc.h +++ b/cores/arduino/USBDesc.h @@ -60,7 +60,7 @@ #define IMANUFACTURER 1 #define IPRODUCT 2 -#define USB_PID_LEONARDO 0x0034 +#define USB_PID_LEONARDO 0x0801 #define USB_PID_MICRO 0x0035 #define USB_VID 0x2341 // arduino LLC vid #define USB_PID ARDUINO_MODEL_USB_PID diff --git a/cores/arduino/WInterrupts.c b/cores/arduino/WInterrupts.c index 3b9fe08..8f3ec84 100755..100644 --- a/cores/arduino/WInterrupts.c +++ b/cores/arduino/WInterrupts.c @@ -47,7 +47,19 @@ void attachInterrupt(uint8_t interruptNum, void (*userFunc)(void), int mode) { // Enable the interrupt. switch (interruptNum) { -#if defined(EICRA) && defined(EICRB) && defined(EIMSK) +#if defined(__AVR_ATmega32U4__) + // I hate doing this, but the register assignment differs between the 1280/2560 + // and the 32U4. Since avrlib defines registers PCMSK1 and PCMSK2 that aren't + // even present on the 32U4 this is the only way to distinguish between them. + case 0: + EICRA = (EICRA & ~((1<<ISC00) | (1<<ISC01))) | (mode << ISC00); + EIMSK |= (1<<INT0); + break; + case 1: + EICRA = (EICRA & ~((1<<ISC10) | (1<<ISC11))) | (mode << ISC10); + EIMSK |= (1<<INT1); + break; +#elif defined(EICRA) && defined(EICRB) && defined(EIMSK) case 2: EICRA = (EICRA & ~((1 << ISC00) | (1 << ISC01))) | (mode << ISC00); EIMSK |= (1 << INT0); @@ -80,7 +92,7 @@ void attachInterrupt(uint8_t interruptNum, void (*userFunc)(void), int mode) { EICRB = (EICRB & ~((1 << ISC70) | (1 << ISC71))) | (mode << ISC70); EIMSK |= (1 << INT7); break; -#else +#else case 0: #if defined(EICRA) && defined(ISC00) && defined(EIMSK) EICRA = (EICRA & ~((1 << ISC00) | (1 << ISC01))) | (mode << ISC00); @@ -134,7 +146,14 @@ void detachInterrupt(uint8_t interruptNum) { // to the number of the EIMSK bit to clear, as this isn't true on the // ATmega8. There, INT0 is 6 and INT1 is 7.) switch (interruptNum) { -#if defined(EICRA) && defined(EICRB) && defined(EIMSK) +#if defined(__AVR_ATmega32U4__) + case 0: + EIMSK &= ~(1<<INT0); + break; + case 1: + EIMSK &= ~(1<<INT1); + break; +#elif defined(EICRA) && defined(EICRB) && defined(EIMSK) case 2: EIMSK &= ~(1 << INT0); break; @@ -196,7 +215,18 @@ void attachInterruptTwi(void (*userFunc)(void) ) { } */ -#if defined(EICRA) && defined(EICRB) +#if defined(__AVR_ATmega32U4__) +SIGNAL(INT0_vect) { + if(intFunc[EXTERNAL_INT_0]) + intFunc[EXTERNAL_INT_0](); +} + +SIGNAL(INT1_vect) { + if(intFunc[EXTERNAL_INT_1]) + intFunc[EXTERNAL_INT_1](); +} + +#elif defined(EICRA) && defined(EICRB) SIGNAL(INT0_vect) { if(intFunc[EXTERNAL_INT_2]) diff --git a/cores/arduino/wiring.c b/cores/arduino/wiring.c index e7f7cde..fb447eb 100755..100644 --- a/cores/arduino/wiring.c +++ b/cores/arduino/wiring.c @@ -278,12 +278,25 @@ void init() sbi(TCCR3B, CS30); sbi(TCCR3A, WGM30); // put timer 3 in 8-bit phase correct pwm mode #endif - + +#if defined(TCCR4A) && defined(TCCR4B) && defined(TCCR4D) /* beginning of timer4 block for 32U4 and similar */ + sbi(TCCR4A, COM4A1); // clear channel A on output compare match + cbi(TCCR4A, COM4A0); + sbi(TCCR4C, COM4D1); // clear channel D on output compare match + cbi(TCCR4C, COM4D0); + sbi(TCCR4B, CS42); // set timer4 prescale factor to 64 + sbi(TCCR4B, CS41); + sbi(TCCR4B, CS40); + sbi(TCCR4D, WGM40); // put timer 4 in phase- and frequency-correct PWM mode + sbi(TCCR4A, PWM4A); // enable PWM mode for comparator OCR4A + sbi(TCCR4C, PWM4D); // enable PWM mode for comparator OCR4D +#else /* beginning of timer4 block for ATMEGA1280 and ATMEGA2560 */ #if defined(TCCR4B) && defined(CS41) && defined(WGM40) sbi(TCCR4B, CS41); // set timer 4 prescale factor to 64 sbi(TCCR4B, CS40); sbi(TCCR4A, WGM40); // put timer 4 in 8-bit phase correct pwm mode #endif +#endif /* end timer4 block for ATMEGA1280/2560 and similar */ #if defined(TCCR5B) && defined(CS51) && defined(WGM50) sbi(TCCR5B, CS51); // set timer 5 prescale factor to 64 diff --git a/cores/arduino/wiring_analog.c b/cores/arduino/wiring_analog.c index a8bc817..40a3363 100644 --- a/cores/arduino/wiring_analog.c +++ b/cores/arduino/wiring_analog.c @@ -206,14 +206,14 @@ void analogWrite(uint8_t pin, int val) break; #endif - #if defined(TCCR4A) && defined(COM4A1) + #if defined(TCCR4A) case TIMER4A: - // connect pwm to pin on timer 4, channel A + //connect pwm to pin on timer 4, channel A sbi(TCCR4A, COM4A1); - OCR4A = val; // set pwm duty + OCR4A = val; // set pwm duty break; #endif - + #if defined(TCCR4A) && defined(COM4B1) case TIMER4B: // connect pwm to pin on timer 4, channel B @@ -230,14 +230,15 @@ void analogWrite(uint8_t pin, int val) break; #endif - #if defined(TCCR4A) && defined(COM4D1) - case TIMER4D: + #if defined(TCCR4C) + case TIMER4D: // connect pwm to pin on timer 4, channel D - sbi(TCCR4A, COM4D1); - OCR4D = val; // set pwm duty + sbi(TCCR4C, COM4D1); + OCR4D = val; // set pwm duty break; #endif + #if defined(TCCR5A) && defined(COM5A1) case TIMER5A: // connect pwm to pin on timer 5, channel A @@ -272,3 +273,4 @@ void analogWrite(uint8_t pin, int val) } } } + diff --git a/cores/arduino/wiring_digital.c b/cores/arduino/wiring_digital.c index 584a28a..be323b1 100755..100644 --- a/cores/arduino/wiring_digital.c +++ b/cores/arduino/wiring_digital.c @@ -115,13 +115,17 @@ static void turnOffPWM(uint8_t timer) #if defined(TCCR4A) && defined(COM4A1) case TIMER4A: cbi(TCCR4A, COM4A1); break; - #endif + #endif #if defined(TCCR4A) && defined(COM4B1) case TIMER4B: cbi(TCCR4A, COM4B1); break; #endif #if defined(TCCR4A) && defined(COM4C1) case TIMER4C: cbi(TCCR4A, COM4C1); break; - #endif + #endif + #if defined(TCCR4C) && defined(COM4D1) + case TIMER4D: cbi(TCCR4C, COM4D1); break; + #endif + #if defined(TCCR5A) case TIMER5A: cbi(TCCR5A, COM5A1); break; case TIMER5B: cbi(TCCR5A, COM5B1); break; diff --git a/variants/leonardo/pins_arduino.h b/variants/leonardo/pins_arduino.h index 5a15146..753aa93 100644 --- a/variants/leonardo/pins_arduino.h +++ b/variants/leonardo/pins_arduino.h @@ -27,7 +27,7 @@ #include <avr/pgmspace.h> -#define ARDUINO_MODEL_USB_PID 0x0034 +#define ARDUINO_MODEL_USB_PID 0x0801 #define TX_RX_LED_INIT DDRD |= (1<<5), DDRB |= (1<<0) #define TXLED0 PORTD |= (1<<5) @@ -212,7 +212,7 @@ const uint8_t PROGMEM digital_pin_to_bit_mask_PGM[30] = { _BV(6), // D29 / D12 - A11 - PD6 }; -const uint8_t PROGMEM digital_pin_to_timer_PGM[18] = { +const uint8_t PROGMEM digital_pin_to_timer_PGM[16] = { NOT_ON_TIMER, NOT_ON_TIMER, NOT_ON_TIMER, |