diff options
Diffstat (limited to 'firmwares/arduino-usbserial')
| -rwxr-xr-x | firmwares/arduino-usbserial/Arduino-usbserial.c | 255 | ||||
| -rwxr-xr-x | firmwares/arduino-usbserial/Arduino-usbserial.h | 79 | ||||
| -rwxr-xr-x | firmwares/arduino-usbserial/Board/LEDs.h | 110 | ||||
| -rwxr-xr-x | firmwares/arduino-usbserial/Descriptors.c | 277 | ||||
| -rwxr-xr-x | firmwares/arduino-usbserial/Descriptors.h | 88 | ||||
| -rwxr-xr-x | firmwares/arduino-usbserial/Lib/LightweightRingBuff.h | 197 | ||||
| -rwxr-xr-x | firmwares/arduino-usbserial/makefile | 775 | ||||
| -rw-r--r-- | firmwares/arduino-usbserial/readme.txt | 13 |
8 files changed, 1794 insertions, 0 deletions
diff --git a/firmwares/arduino-usbserial/Arduino-usbserial.c b/firmwares/arduino-usbserial/Arduino-usbserial.c new file mode 100755 index 0000000..181ffc7 --- /dev/null +++ b/firmwares/arduino-usbserial/Arduino-usbserial.c @@ -0,0 +1,255 @@ +/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2010.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.fourwalledcubicle.com
+*/
+
+/*
+ Copyright 2010 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 Arduino-usbserial project. This file contains the main tasks of
+ * the project and is responsible for the initial application hardware configuration.
+ */
+
+#include "Arduino-usbserial.h"
+
+/** Circular buffer to hold data from the host before it is sent to the device via the serial port. */
+RingBuff_t USBtoUSART_Buffer;
+
+/** Circular buffer to hold data from the serial port before it is sent to the host. */
+RingBuff_t USARTtoUSB_Buffer;
+
+/** Pulse generation counters to keep track of the number of milliseconds remaining for each pulse type */
+volatile struct
+{
+ uint8_t TxLEDPulse; /**< Milliseconds remaining for data Tx LED pulse */
+ uint8_t RxLEDPulse; /**< Milliseconds remaining for data Rx LED pulse */
+ uint8_t PingPongLEDPulse; /**< Milliseconds remaining for enumeration Tx/Rx ping-pong LED pulse */
+} PulseMSRemaining;
+
+/** LUFA CDC Class driver interface configuration and state information. This structure is
+ * passed to all CDC Class driver functions, so that multiple instances of the same class
+ * within a device can be differentiated from one another.
+ */
+USB_ClassInfo_CDC_Device_t VirtualSerial_CDC_Interface =
+ {
+ .Config =
+ {
+ .ControlInterfaceNumber = 0,
+
+ .DataINEndpointNumber = CDC_TX_EPNUM,
+ .DataINEndpointSize = CDC_TXRX_EPSIZE,
+ .DataINEndpointDoubleBank = false,
+
+ .DataOUTEndpointNumber = CDC_RX_EPNUM,
+ .DataOUTEndpointSize = CDC_TXRX_EPSIZE,
+ .DataOUTEndpointDoubleBank = false,
+
+ .NotificationEndpointNumber = CDC_NOTIFICATION_EPNUM,
+ .NotificationEndpointSize = CDC_NOTIFICATION_EPSIZE,
+ .NotificationEndpointDoubleBank = false,
+ },
+ };
+
+/** Main program entry point. This routine contains the overall program flow, including initial
+ * setup of all components and the main program loop.
+ */
+int main(void)
+{
+ SetupHardware();
+
+ RingBuffer_InitBuffer(&USBtoUSART_Buffer);
+ RingBuffer_InitBuffer(&USARTtoUSB_Buffer);
+
+ sei();
+
+ for (;;)
+ {
+ /* Read bytes from the USB OUT endpoint into the USART transmit buffer */
+ int16_t ReceivedByte = CDC_Device_ReceiveByte(&VirtualSerial_CDC_Interface);
+ if (!(ReceivedByte < 0) && !(RingBuffer_IsFull(&USBtoUSART_Buffer)))
+ RingBuffer_Insert(&USBtoUSART_Buffer, ReceivedByte);
+
+ /* Check if the UART receive buffer flush timer has expired or the buffer is nearly full */
+ RingBuff_Count_t BufferCount = RingBuffer_GetCount(&USARTtoUSB_Buffer);
+ if ((TIFR0 & (1 << TOV0)) || (BufferCount > BUFFER_NEARLY_FULL))
+ {
+ TIFR0 |= (1 << TOV0);
+
+ if (USARTtoUSB_Buffer.Count) {
+ LEDs_TurnOnLEDs(LEDMASK_TX);
+ PulseMSRemaining.TxLEDPulse = TX_RX_LED_PULSE_MS;
+ }
+
+ /* Read bytes from the USART receive buffer into the USB IN endpoint */
+ while (BufferCount--)
+ CDC_Device_SendByte(&VirtualSerial_CDC_Interface, RingBuffer_Remove(&USARTtoUSB_Buffer));
+
+ /* Turn off TX LED(s) once the TX pulse period has elapsed */
+ if (PulseMSRemaining.TxLEDPulse && !(--PulseMSRemaining.TxLEDPulse))
+ LEDs_TurnOffLEDs(LEDMASK_TX);
+
+ /* Turn off RX LED(s) once the RX pulse period has elapsed */
+ if (PulseMSRemaining.RxLEDPulse && !(--PulseMSRemaining.RxLEDPulse))
+ LEDs_TurnOffLEDs(LEDMASK_RX);
+ }
+
+ /* Load the next byte from the USART transmit buffer into the USART */
+ if (!(RingBuffer_IsEmpty(&USBtoUSART_Buffer))) {
+ Serial_TxByte(RingBuffer_Remove(&USBtoUSART_Buffer));
+
+ LEDs_TurnOnLEDs(LEDMASK_RX);
+ PulseMSRemaining.RxLEDPulse = TX_RX_LED_PULSE_MS;
+ }
+
+ CDC_Device_USBTask(&VirtualSerial_CDC_Interface);
+ USB_USBTask();
+ }
+}
+
+/** Configures the board hardware and chip peripherals for the demo's functionality. */
+void SetupHardware(void)
+{
+ /* Disable watchdog if enabled by bootloader/fuses */
+ MCUSR &= ~(1 << WDRF);
+ wdt_disable();
+
+ /* Hardware Initialization */
+ Serial_Init(9600, false);
+ LEDs_Init();
+ USB_Init();
+
+ /* Start the flush timer so that overflows occur rapidly to push received bytes to the USB interface */
+ TCCR0B = (1 << CS02);
+
+ /* Pull target /RESET line high */
+ AVR_RESET_LINE_PORT |= AVR_RESET_LINE_MASK;
+ AVR_RESET_LINE_DDR |= AVR_RESET_LINE_MASK;
+}
+
+/** Event handler for the library USB Connection event. */
+void EVENT_USB_Device_Connect(void)
+{
+
+}
+
+/** Event handler for the library USB Disconnection event. */
+void EVENT_USB_Device_Disconnect(void)
+{
+
+}
+
+/** Event handler for the library USB Configuration Changed event. */
+void EVENT_USB_Device_ConfigurationChanged(void)
+{
+
+
+ if (!(CDC_Device_ConfigureEndpoints(&VirtualSerial_CDC_Interface)))
+ ;
+}
+
+/** Event handler for the library USB Unhandled Control Request event. */
+void EVENT_USB_Device_UnhandledControlRequest(void)
+{
+ CDC_Device_ProcessControlRequest(&VirtualSerial_CDC_Interface);
+}
+
+/** Event handler for the CDC Class driver Line Encoding Changed event.
+ *
+ * \param[in] CDCInterfaceInfo Pointer to the CDC class interface configuration structure being referenced
+ */
+void EVENT_CDC_Device_LineEncodingChanged(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo)
+{
+ uint8_t ConfigMask = 0;
+
+ switch (CDCInterfaceInfo->State.LineEncoding.ParityType)
+ {
+ case CDC_PARITY_Odd:
+ ConfigMask = ((1 << UPM11) | (1 << UPM10));
+ break;
+ case CDC_PARITY_Even:
+ ConfigMask = (1 << UPM11);
+ break;
+ }
+
+ if (CDCInterfaceInfo->State.LineEncoding.CharFormat == CDC_LINEENCODING_TwoStopBits)
+ ConfigMask |= (1 << USBS1);
+
+ switch (CDCInterfaceInfo->State.LineEncoding.DataBits)
+ {
+ case 6:
+ ConfigMask |= (1 << UCSZ10);
+ break;
+ case 7:
+ ConfigMask |= (1 << UCSZ11);
+ break;
+ case 8:
+ ConfigMask |= ((1 << UCSZ11) | (1 << UCSZ10));
+ break;
+ }
+
+ /* Must turn off USART before reconfiguring it, otherwise incorrect operation may occur */
+ UCSR1B = 0;
+ UCSR1A = 0;
+ UCSR1C = 0;
+
+ /* Special case 57600 baud for compatibility with the ATmega328 bootloader. */
+ UCSR1A = (CDCInterfaceInfo->State.LineEncoding.BaudRateBPS == 57600) ? 0 : (1 << U2X1);
+ UCSR1B = ((1 << RXCIE1) | (1 << TXEN1) | (1 << RXEN1));
+ UCSR1C = ConfigMask;
+ UBRR1 = (CDCInterfaceInfo->State.LineEncoding.BaudRateBPS == 57600)
+ ? SERIAL_UBBRVAL(CDCInterfaceInfo->State.LineEncoding.BaudRateBPS)
+ : SERIAL_2X_UBBRVAL(CDCInterfaceInfo->State.LineEncoding.BaudRateBPS);
+}
+
+/** ISR to manage the reception of data from the serial port, placing received bytes into a circular buffer
+ * for later transmission to the host.
+ */
+ISR(USART1_RX_vect, ISR_BLOCK)
+{
+ uint8_t ReceivedByte = UDR1;
+
+ if (USB_DeviceState == DEVICE_STATE_Configured)
+ RingBuffer_Insert(&USARTtoUSB_Buffer, ReceivedByte);
+}
+
+/** Event handler for the CDC Class driver Host-to-Device Line Encoding Changed event.
+ *
+ * \param[in] CDCInterfaceInfo Pointer to the CDC class interface configuration structure being referenced
+ */
+void EVENT_CDC_Device_ControLineStateChanged(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo)
+{
+ bool CurrentDTRState = (CDCInterfaceInfo->State.ControlLineStates.HostToDevice & CDC_CONTROL_LINE_OUT_DTR);
+
+ if (CurrentDTRState)
+ {
+ AVR_RESET_LINE_PORT &= ~AVR_RESET_LINE_MASK;
+ }
+ else
+ {
+ AVR_RESET_LINE_PORT |= AVR_RESET_LINE_MASK;
+ }
+}
diff --git a/firmwares/arduino-usbserial/Arduino-usbserial.h b/firmwares/arduino-usbserial/Arduino-usbserial.h new file mode 100755 index 0000000..99fde39 --- /dev/null +++ b/firmwares/arduino-usbserial/Arduino-usbserial.h @@ -0,0 +1,79 @@ +/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2010.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.fourwalledcubicle.com
+*/
+
+/*
+ Copyright 2010 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 Arduino-usbserial.c.
+ */
+
+#ifndef _ARDUINO_USBSERIAL_H_
+#define _ARDUINO_USBSERIAL_H_
+
+ /* Includes: */
+ #include <avr/io.h>
+ #include <avr/wdt.h>
+ #include <avr/interrupt.h>
+ #include <avr/power.h>
+
+ #include "Descriptors.h"
+
+ #include "Lib/LightweightRingBuff.h"
+
+ #include <LUFA/Version.h>
+ #include <LUFA/Drivers/Board/LEDs.h>
+ #include <LUFA/Drivers/Peripheral/Serial.h>
+ #include <LUFA/Drivers/USB/USB.h>
+ #include <LUFA/Drivers/USB/Class/CDC.h>
+
+ /* Macros: */
+ /** LED mask for the library LED driver, to indicate TX activity. */
+ #define LEDMASK_TX LEDS_LED1
+
+ /** LED mask for the library LED driver, to indicate RX activity. */
+ #define LEDMASK_RX LEDS_LED2
+
+ /** LED mask for the library LED driver, to indicate that an error has occurred in the USB interface. */
+ #define LEDMASK_ERROR (LEDS_LED1 | LEDS_LED2)
+
+ /** LED mask for the library LED driver, to indicate that the USB interface is busy. */
+ #define LEDMASK_BUSY (LEDS_LED1 | LEDS_LED2)
+
+ /* Function Prototypes: */
+ void SetupHardware(void);
+
+ void EVENT_USB_Device_Connect(void);
+ void EVENT_USB_Device_Disconnect(void);
+ void EVENT_USB_Device_ConfigurationChanged(void);
+ void EVENT_USB_Device_UnhandledControlRequest(void);
+
+ void EVENT_CDC_Device_LineEncodingChanged(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo);
+ void EVENT_CDC_Device_ControLineStateChanged(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo);
+
+#endif /* _ARDUINO_USBSERIAL_H_ */
diff --git a/firmwares/arduino-usbserial/Board/LEDs.h b/firmwares/arduino-usbserial/Board/LEDs.h new file mode 100755 index 0000000..152e8f5 --- /dev/null +++ b/firmwares/arduino-usbserial/Board/LEDs.h @@ -0,0 +1,110 @@ +/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2010.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.fourwalledcubicle.com
+*/
+
+/*
+ Copyright 2010 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.
+*/
+
+/*
+ Board LEDs driver for the Benito board, from www.dorkbotpdx.org.
+*/
+
+#ifndef __LEDS_ARDUINOUNO_H__
+#define __LEDS_ARDUINOUNO_H__
+
+ /* Includes: */
+ #include <avr/io.h>
+
+/* Enable C linkage for C++ Compilers: */
+ #if defined(__cplusplus)
+ extern "C" {
+ #endif
+
+ /* Preprocessor Checks: */
+ #if !defined(INCLUDE_FROM_LEDS_H)
+ #error Do not include this file directly. Include LUFA/Drivers/Board/LEDS.h instead.
+ #endif
+
+ /* Public Interface - May be used in end-application: */
+ /* Macros: */
+ /** LED mask for the first LED on the board. */
+ #define LEDS_LED1 (1 << 5)
+
+ /** LED mask for the second LED on the board. */
+ #define LEDS_LED2 (1 << 4)
+
+ /** LED mask for all the LEDs on the board. */
+ #define LEDS_ALL_LEDS (LEDS_LED1 | LEDS_LED2)
+
+ /** LED mask for the none of the board LEDs */
+ #define LEDS_NO_LEDS 0
+
+ /* Inline Functions: */
+ #if !defined(__DOXYGEN__)
+ static inline void LEDs_Init(void)
+ {
+ DDRD |= LEDS_ALL_LEDS;
+ PORTD |= LEDS_ALL_LEDS;
+ }
+
+ static inline void LEDs_TurnOnLEDs(const uint8_t LEDMask)
+ {
+ PORTD &= ~LEDMask;
+ }
+
+ static inline void LEDs_TurnOffLEDs(const uint8_t LEDMask)
+ {
+ PORTD |= LEDMask;
+ }
+
+ static inline void LEDs_SetAllLEDs(const uint8_t LEDMask)
+ {
+ PORTD = ((PORTD | LEDS_ALL_LEDS) & ~LEDMask);
+ }
+
+ static inline void LEDs_ChangeLEDs(const uint8_t LEDMask, const uint8_t ActiveMask)
+ {
+ PORTD = ((PORTD | ActiveMask) & ~LEDMask);
+ }
+
+ static inline void LEDs_ToggleLEDs(const uint8_t LEDMask)
+ {
+ PORTD ^= LEDMask;
+ }
+
+ static inline uint8_t LEDs_GetLEDs(void) ATTR_WARN_UNUSED_RESULT;
+ static inline uint8_t LEDs_GetLEDs(void)
+ {
+ return (PORTD & LEDS_ALL_LEDS);
+ }
+ #endif
+
+ /* Disable C linkage for C++ Compilers: */
+ #if defined(__cplusplus)
+ }
+ #endif
+
+#endif
diff --git a/firmwares/arduino-usbserial/Descriptors.c b/firmwares/arduino-usbserial/Descriptors.c new file mode 100755 index 0000000..ae55c93 --- /dev/null +++ b/firmwares/arduino-usbserial/Descriptors.c @@ -0,0 +1,277 @@ +/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2010.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.fourwalledcubicle.com
+*/
+
+/*
+ Copyright 2010 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"
+
+/* On some devices, there is a factory set internal serial number which can be automatically sent to the host as
+ * the device's serial number when the Device Descriptor's .SerialNumStrIndex entry is set to USE_INTERNAL_SERIAL.
+ * This allows the host to track a device across insertions on different ports, allowing them to retain allocated
+ * resources like COM port numbers and drivers. On demos using this feature, give a warning on unsupported devices
+ * so that the user can supply their own serial number descriptor instead or remove the USE_INTERNAL_SERIAL value
+ * from the Device Descriptor (forcing the host to generate a serial number for each device from the VID, PID and
+ * port location).
+ */
+#if (USE_INTERNAL_SERIAL == NO_DESCRIPTOR)
+ #warning USE_INTERNAL_SERIAL is not available on this AVR - please manually construct a device serial descriptor.
+#endif
+
+/** Device descriptor structure. This descriptor, located in FLASH 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.
+ */
+USB_Descriptor_Device_t PROGMEM DeviceDescriptor =
+{
+ .Header = {.Size = sizeof(USB_Descriptor_Device_t), .Type = DTYPE_Device},
+
+ .USBSpecification = VERSION_BCD(01.10),
+ .Class = 0x02,
+ .SubClass = 0x00,
+ .Protocol = 0x00,
+
+ .Endpoint0Size = FIXED_CONTROL_ENDPOINT_SIZE,
+
+ .VendorID = 0x2341,
+
+ .ProductID = ARDUINO_MODEL_PID,
+ .ReleaseNumber = 0x0000,
+
+ .ManufacturerStrIndex = 0x01,
+ .ProductStrIndex = 0x02,
+ .SerialNumStrIndex = USE_INTERNAL_SERIAL,
+
+ .NumberOfConfigurations = FIXED_NUM_CONFIGURATIONS
+};
+
+/** Configuration descriptor structure. This descriptor, located in FLASH 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.
+ */
+USB_Descriptor_Configuration_t PROGMEM 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 | USB_CONFIG_ATTR_SELFPOWERED),
+
+ .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 = 0x02,
+ .SubClass = 0x02,
+ .Protocol = 0x01,
+
+ .InterfaceStrIndex = NO_DESCRIPTOR
+ },
+
+ .CDC_Functional_IntHeader =
+ {
+ .Header = {.Size = sizeof(CDC_FUNCTIONAL_DESCRIPTOR(2)), .Type = 0x24},
+ .SubType = 0x00,
+
+ .Data = {0x01, 0x10}
+ },
+
+ .CDC_Functional_AbstractControlManagement =
+ {
+ .Header = {.Size = sizeof(CDC_FUNCTIONAL_DESCRIPTOR(1)), .Type = 0x24},
+ .SubType = 0x02,
+
+ .Data = {0x06}
+ },
+
+ .CDC_Functional_Union =
+ {
+ .Header = {.Size = sizeof(CDC_FUNCTIONAL_DESCRIPTOR(2)), .Type = 0x24},
+ .SubType = 0x06,
+
+ .Data = {0x00, 0x01}
+ },
+
+ .CDC_NotificationEndpoint =
+ {
+ .Header = {.Size = sizeof(USB_Descriptor_Endpoint_t), .Type = DTYPE_Endpoint},
+
+ .EndpointAddress = (ENDPOINT_DESCRIPTOR_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 = 0x0A,
+ .SubClass = 0x00,
+ .Protocol = 0x00,
+
+ .InterfaceStrIndex = NO_DESCRIPTOR
+ },
+
+ .CDC_DataOutEndpoint =
+ {
+ .Header = {.Size = sizeof(USB_Descriptor_Endpoint_t), .Type = DTYPE_Endpoint},
+
+ .EndpointAddress = (ENDPOINT_DESCRIPTOR_DIR_OUT | CDC_RX_EPNUM),
+ .Attributes = (EP_TYPE_BULK | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA),
+ .EndpointSize = CDC_TXRX_EPSIZE,
+ .PollingIntervalMS = 0x00
+ },
+
+ .CDC_DataInEndpoint =
+ {
+ .Header = {.Size = sizeof(USB_Descriptor_Endpoint_t), .Type = DTYPE_Endpoint},
+
+ .EndpointAddress = (ENDPOINT_DESCRIPTOR_DIR_IN | CDC_TX_EPNUM),
+ .Attributes = (EP_TYPE_BULK | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA),
+ .EndpointSize = CDC_TXRX_EPSIZE,
+ .PollingIntervalMS = 0x00
+ }
+};
+
+/** Language descriptor structure. This descriptor, located in FLASH 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.
+ */
+USB_Descriptor_String_t PROGMEM LanguageString =
+{
+ .Header = {.Size = USB_STRING_LEN(1), .Type = DTYPE_String},
+
+ .UnicodeString = {LANGUAGE_ID_ENG}
+};
+
+/** Manufacturer descriptor string. This is a Unicode string containing the manufacturer'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.
+ */
+USB_Descriptor_String_t PROGMEM ManufacturerString =
+{
+ .Header = {.Size = USB_STRING_LEN(24), .Type = DTYPE_String},
+
+ .UnicodeString = L"Arduino (www.arduino.cc)"
+};
+
+/** 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.
+ */
+USB_Descriptor_String_t PROGMEM ProductString =
+{
+ #if (ARDUINO_MODEL_PID == ARDUINO_UNO_PID)
+ .Header = {.Size = USB_STRING_LEN(11), .Type = DTYPE_String},
+
+ .UnicodeString = L"Arduino Uno"
+ #elif (ARDUINO_MODEL_PID == ARDUINO_MEGA2560_PID)
+ .Header = {.Size = USB_STRING_LEN(17), .Type = DTYPE_String},
+
+ .UnicodeString = L"Arduino Mega 2560"
+ #endif
+
+};
+
+/** This function is called by the library when in device mode, and must be overridden (see 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,
+ void** const DescriptorAddress)
+{
+ const uint8_t DescriptorType = (wValue >> 8);
+ const uint8_t DescriptorNumber = (wValue & 0xFF);
+
+ void* Address = NULL;
+ uint16_t Size = NO_DESCRIPTOR;
+
+ switch (DescriptorType)
+ {
+ case DTYPE_Device:
+ Address = (void*)&DeviceDescriptor;
+ Size = sizeof(USB_Descriptor_Device_t);
+ break;
+ case DTYPE_Configuration:
+ Address = (void*)&ConfigurationDescriptor;
+ Size = sizeof(USB_Descriptor_Configuration_t);
+ break;
+ case DTYPE_String:
+ switch (DescriptorNumber)
+ {
+ case 0x00:
+ Address = (void*)&LanguageString;
+ Size = pgm_read_byte(&LanguageString.Header.Size);
+ break;
+ case 0x01:
+ Address = (void*)&ManufacturerString;
+ Size = pgm_read_byte(&ManufacturerString.Header.Size);
+ break;
+ case 0x02:
+ Address = (void*)&ProductString;
+ Size = pgm_read_byte(&ProductString.Header.Size);
+ break;
+ }
+
+ break;
+ }
+
+ *DescriptorAddress = Address;
+ return Size;
+}
diff --git a/firmwares/arduino-usbserial/Descriptors.h b/firmwares/arduino-usbserial/Descriptors.h new file mode 100755 index 0000000..3ac4e52 --- /dev/null +++ b/firmwares/arduino-usbserial/Descriptors.h @@ -0,0 +1,88 @@ +/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2010.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.fourwalledcubicle.com
+*/
+
+/*
+ Copyright 2010 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 <avr/pgmspace.h>
+
+ #include <LUFA/Drivers/USB/USB.h>
+ #include <LUFA/Drivers/USB/Class/CDC.h>
+
+ /* Product-specific definitions: */
+ #define ARDUINO_UNO_PID 0x0001
+ #define ARDUINO_MEGA2560_PID 0x0010
+
+ /* Macros: */
+ /** Endpoint number of the CDC device-to-host notification IN endpoint. */
+ #define CDC_NOTIFICATION_EPNUM 2
+
+ /** Endpoint number of the CDC device-to-host data IN endpoint. */
+ #define CDC_TX_EPNUM 3
+
+ /** Endpoint number of the CDC host-to-device data OUT endpoint. */
+ #define CDC_RX_EPNUM 4
+
+ /** Size in bytes of the CDC device-to-host notification IN endpoint. */
+ #define CDC_NOTIFICATION_EPSIZE 8
+
+ /** Size in bytes of the CDC data IN and OUT endpoints. */
+ #define CDC_TXRX_EPSIZE 64
+
+ /* 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;
+ USB_Descriptor_Interface_t CDC_CCI_Interface;
+ CDC_FUNCTIONAL_DESCRIPTOR(2) CDC_Functional_IntHeader;
+ CDC_FUNCTIONAL_DESCRIPTOR(1) CDC_Functional_AbstractControlManagement;
+ CDC_FUNCTIONAL_DESCRIPTOR(2) CDC_Functional_Union;
+ USB_Descriptor_Endpoint_t CDC_NotificationEndpoint;
+ 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,
+ void** const DescriptorAddress) ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(3);
+
+#endif
diff --git a/firmwares/arduino-usbserial/Lib/LightweightRingBuff.h b/firmwares/arduino-usbserial/Lib/LightweightRingBuff.h new file mode 100755 index 0000000..fb48c1f --- /dev/null +++ b/firmwares/arduino-usbserial/Lib/LightweightRingBuff.h @@ -0,0 +1,197 @@ +/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2010.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.fourwalledcubicle.com
+*/
+
+/*
+ Copyright 2010 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
+ *
+ * Ultra lightweight ring buffer, for fast insertion/deletion.
+ */
+
+#ifndef _ULW_RING_BUFF_H_
+#define _ULW_RING_BUFF_H_
+
+ /* Includes: */
+ #include <util/atomic.h>
+
+ #include <stdint.h>
+ #include <stdbool.h>
+
+ /* Defines: */
+ /** Size of each ring buffer, in data elements - must be between 1 and 255. */
+ #define BUFFER_SIZE 128
+
+ /** Maximum number of data elements to buffer before forcing a flush.
+ * Must be less than BUFFER_SIZE
+ */
+ #define BUFFER_NEARLY_FULL 96
+
+ /** Type of data to store into the buffer. */
+ #define RingBuff_Data_t uint8_t
+
+ /** Datatype which may be used to store the count of data stored in a buffer, retrieved
+ * via a call to \ref RingBuffer_GetCount().
+ */
+ #if (BUFFER_SIZE <= 0xFF)
+ #define RingBuff_Count_t uint8_t
+ #else
+ #define RingBuff_Count_t uint16_t
+ #endif
+
+ /* Type Defines: */
+ /** Type define for a new ring buffer object. Buffers should be initialized via a call to
+ * \ref RingBuffer_InitBuffer() before use.
+ */
+ typedef struct
+ {
+ RingBuff_Data_t Buffer[BUFFER_SIZE]; /**< Internal ring buffer data, referenced by the buffer pointers. */
+ RingBuff_Data_t* In; /**< Current storage location in the circular buffer */
+ RingBuff_Data_t* Out; /**< Current retrieval location in the circular buffer */
+ RingBuff_Count_t Count;
+ } RingBuff_t;
+
+ /* Inline Functions: */
+ /** Initializes a ring buffer ready for use. Buffers must be initialized via this function
+ * before any operations are called upon them. Already initialized buffers may be reset
+ * by re-initializing them using this function.
+ *
+ * \param[out] Buffer Pointer to a ring buffer structure to initialize
+ */
+ static inline void RingBuffer_InitBuffer(RingBuff_t* const Buffer)
+ {
+ ATOMIC_BLOCK(ATOMIC_RESTORESTATE)
+ {
+ Buffer->In = Buffer->Buffer;
+ Buffer->Out = Buffer->Buffer;
+ }
+ }
+
+ /** Retrieves the minimum number of bytes stored in a particular buffer. This value is computed
+ * by entering an atomic lock on the buffer while the IN and OUT locations are fetched, so that
+ * the buffer cannot be modified while the computation takes place. This value should be cached
+ * when reading out the contents of the buffer, so that as small a time as possible is spent
+ * in an atomic lock.
+ *
+ * \note The value returned by this function is guaranteed to only be the minimum number of bytes
+ * stored in the given buffer; this value may change as other threads write new data and so
+ * the returned number should be used only to determine how many successive reads may safely
+ * be performed on the buffer.
+ *
+ * \param[in] Buffer Pointer to a ring buffer structure whose count is to be computed
+ */
+ static inline RingBuff_Count_t RingBuffer_GetCount(RingBuff_t* const Buffer)
+ {
+ RingBuff_Count_t Count;
+
+ ATOMIC_BLOCK(ATOMIC_RESTORESTATE)
+ {
+ Count = Buffer->Count;
+ }
+
+ return Count;
+ }
+
+ /** Atomically determines if the specified ring buffer contains any free space. This should
+ * be tested before storing data to the buffer, to ensure that no data is lost due to a
+ * buffer overrun.
+ *
+ * \param[in,out] Buffer Pointer to a ring buffer structure to insert into
+ *
+ * \return Boolean true if the buffer contains no free space, false otherwise
+ */
+ static inline bool RingBuffer_IsFull(RingBuff_t* const Buffer)
+ {
+ return (RingBuffer_GetCount(Buffer) == BUFFER_SIZE);
+ }
+
+ /** Atomically determines if the specified ring buffer contains any data. This should
+ * be tested before removing data from the buffer, to ensure that the buffer does not
+ * underflow.
+ *
+ * If the data is to be removed in a loop, store the total number of bytes stored in the
+ * buffer (via a call to the \ref RingBuffer_GetCount() function) in a temporary variable
+ * to reduce the time spent in atomicity locks.
+ *
+ * \param[in,out] Buffer Pointer to a ring buffer structure to insert into
+ *
+ * \return Boolean true if the buffer contains no free space, false otherwise
+ */
+ static inline bool RingBuffer_IsEmpty(RingBuff_t* const Buffer)
+ {
+ return (RingBuffer_GetCount(Buffer) == 0);
+ }
+
+ /** Inserts an element into the ring buffer.
+ *
+ * \note Only one execution thread (main program thread or an ISR) may insert into a single buffer
+ * otherwise data corruption may occur. Insertion and removal may occur from different execution
+ * threads.
+ *
+ * \param[in,out] Buffer Pointer to a ring buffer structure to insert into
+ * \param[in] Data Data element to insert into the buffer
+ */
+ static inline void RingBuffer_Insert(RingBuff_t* const Buffer,
+ const RingBuff_Data_t Data)
+ {
+ *Buffer->In = Data;
+
+ if (++Buffer->In == &Buffer->Buffer[BUFFER_SIZE])
+ Buffer->In = Buffer->Buffer;
+
+ ATOMIC_BLOCK(ATOMIC_RESTORESTATE)
+ {
+ Buffer->Count++;
+ }
+ }
+
+ /** Removes an element from the ring buffer.
+ *
+ * \note Only one execution thread (main program thread or an ISR) may remove from a single buffer
+ * otherwise data corruption may occur. Insertion and removal may occur from different execution
+ * threads.
+ *
+ * \param[in,out] Buffer Pointer to a ring buffer structure to retrieve from
+ *
+ * \return Next data element stored in the buffer
+ */
+ static inline RingBuff_Data_t RingBuffer_Remove(RingBuff_t* const Buffer)
+ {
+ RingBuff_Data_t Data = *Buffer->Out;
+
+ if (++Buffer->Out == &Buffer->Buffer[BUFFER_SIZE])
+ Buffer->Out = Buffer->Buffer;
+
+ ATOMIC_BLOCK(ATOMIC_RESTORESTATE)
+ {
+ Buffer->Count--;
+ }
+
+ return Data;
+ }
+
+#endif
diff --git a/firmwares/arduino-usbserial/makefile b/firmwares/arduino-usbserial/makefile new file mode 100755 index 0000000..d025865 --- /dev/null +++ b/firmwares/arduino-usbserial/makefile @@ -0,0 +1,775 @@ +# 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 dfu = Download the hex file to the device, using dfu-programmer (must
+# have dfu-programmer installed).
+#
+# make flip = Download the hex file to the device, using Atmel FLIP (must
+# have Atmel FLIP installed).
+#
+# make dfu-ee = Download the eeprom file to the device, using dfu-programmer
+# (must have dfu-programmer installed).
+#
+# make flip-ee = Download the eeprom file to the device, using Atmel FLIP
+# (must have Atmel FLIP installed).
+#
+# 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(s)
+# Since the ATMEGA8U2 part is not directly supported by the current
+# versions of either avrdude or dfu-programmer, we specify a dummy
+# part; AT90USB82 which is close enough in memory size and organization
+MCU = atmega8u2
+MCU_AVRDUDE = at90usb82
+MCU_DFU = at90usb82
+
+# Specify the Arduino model using the assigned PID. This is used by Descriptors.c
+# to set PID and product descriptor string
+# Uno PID:
+ARDUINO_MODEL_PID = 0x0001
+# Mega 2560 PID:
+#ARDUINO_MODEL_PID = 0x0010
+
+
+# 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_CLOCK below, as it is sourced by
+# F_CLOCK 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_CLOCK, 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_CLOCK = $(F_CPU)
+
+
+# Output format. (can be srec, ihex, binary)
+FORMAT = ihex
+
+
+# Target file name (without extension).
+TARGET = Arduino-usbserial
+
+
+# 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 library compile-time options
+LUFA_OPTS = -D USB_DEVICE_ONLY
+LUFA_OPTS += -D FIXED_CONTROL_ENDPOINT_SIZE=8
+LUFA_OPTS += -D FIXED_NUM_CONFIGURATIONS=1
+LUFA_OPTS += -D USE_FLASH_DESCRIPTORS
+#LUFA_OPTS += -D INTERRUPT_CONTROL_ENDPOINT
+LUFA_OPTS += -D USE_STATIC_OPTIONS="(USB_DEVICE_OPT_FULLSPEED | USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)"
+
+
+# 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) \
+ $(LUFA_SRC_USBCLASS) \
+ $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Device.c \
+ $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Endpoint.c \
+ $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/HostStandardReq.c \
+ $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Host.c \
+ $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Pipe.c \
+ $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/USBController.c \
+ $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/Events.c \
+ $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/USBInterrupt.c \
+ $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/USBTask.c \
+ $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/DeviceStandardReq.c \
+ $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.c \
+ $(LUFA_PATH)/LUFA/Drivers/USB/Class/Device/CDC.c \
+ $(LUFA_PATH)/LUFA/Drivers/USB/Class/Host/CDC.c
+
+
+# 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 = $(LUFA_PATH)/
+
+
+# Compiler flag to set the C Standard level.
+# c89 = "ANSI" C
+# gnu89 = c89 plus GCC extensions
+# c99 = ISO C99 standard (not yet fully implemented)
+# gnu99 = c99 plus GCC extensions
+CSTANDARD = -std=gnu99
+
+
+# Place -D or -U options here for C sources
+CDEFS = -DF_CPU=$(F_CPU)UL
+CDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CDEFS += -DARDUINO_MODEL_PID=$(ARDUINO_MODEL_PID)
+CDEFS += -DBOARD=BOARD_$(BOARD)
+CDEFS += $(LUFA_OPTS)
+CDEFS += -DAVR_RESET_LINE_PORT="PORTD"
+CDEFS += -DAVR_RESET_LINE_DDR="DDRD"
+CDEFS += -DAVR_RESET_LINE_MASK="(1 << 7)"
+CDEFS += -DTX_RX_LED_PULSE_MS=3
+CDEFS += -DPING_PONG_LED_PULSE_MS=100
+
+# Place -D or -U options here for ASM sources
+ADEFS = -DF_CPU=$(F_CPU)
+ADEFS += -DF_CLOCK=$(F_CLOCK)UL
+ADEFS += -DBOARD=BOARD_$(BOARD)
+ADEFS += $(LUFA_OPTS)
+
+# Place -D or -U options here for C++ sources
+CPPDEFS = -DF_CPU=$(F_CPU)UL
+CPPDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CPPDEFS += -DBOARD=BOARD_$(BOARD)
+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
+CFLAGS += -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,--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_FORCE = -F
+
+AVRDUDE_FLAGS = -p $(MCU_AVRDUDE) -P $(AVRDUDE_PORT) -c $(AVRDUDE_PROGRAMMER)
+AVRDUDE_FLAGS += $(AVRDUDE_NO_VERIFY)
+AVRDUDE_FLAGS += $(AVRDUDE_VERBOSE)
+AVRDUDE_FLAGS += $(AVRDUDE_ERASE_COUNTER)
+AVRDUDE_FLAGS += $(AVRDUDE_FORCE)
+
+
+
+#---------------- 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 = avrdude
+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 checkinvalidevents showliboptions showtarget sizeafter end
+all: begin gccversion sizebefore build showliboptions showtarget sizeafter end
+
+# Change the build target to build a HEX file or a library.
+build: elf hex eep lss sym asm
+#build: lib
+
+
+elf: $(TARGET).elf
+hex: $(TARGET).hex
+eep: $(TARGET).eep
+lss: $(TARGET).lss
+sym: $(TARGET).sym
+asm: $(TARGET).s
+LIBNAME=lib$(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); $(ELFSIZE); \
+ 2>/dev/null; echo; fi
+
+#$(LUFA_PATH)/LUFA/LUFA_Events.lst:
+# @make -C $(LUFA_PATH)/LUFA/ LUFA_Events.lst
+
+#checkinvalidevents: $(LUFA_PATH)/LUFA/LUFA_Events.lst
+# @echo
+# @echo Checking for invalid events...
+# @$(shell) avr-nm $(OBJ) | sed -n -e 's/^.*EVENT_/EVENT_/p' | \
+# grep -F -v --file=$(LUFA_PATH)/LUFA/LUFA_Events.lst > InvalidEvents.tmp || true
+# @sed -n -e 's/^/ WARNING - INVALID EVENT NAME: /p' InvalidEvents.tmp
+# @if test -s InvalidEvents.tmp; then exit 1; fi
+
+showliboptions:
+ @echo
+ @echo ---- Compile Time Library Options ----
+ @for i in $(LUFA_OPTS:-D%=%); do \
+ echo $$i; \
+ done
+ @echo --------------------------------------
+
+showtarget:
+ @echo
+ @echo --------- Target Information ---------
+ @echo AVR Model: $(MCU)
+ @echo Board: $(BOARD)
+ @echo Clock: $(F_CPU)Hz CPU, $(F_CLOCK)Hz Master
+ @echo --------------------------------------
+
+
+# Display compiler version information.
+gccversion :
+ @$(CC) --version
+
+
+# Program the device.
+program: $(TARGET).hex $(TARGET).eep
+ $(AVRDUDE) $(AVRDUDE_FLAGS) $(AVRDUDE_WRITE_FLASH) $(AVRDUDE_WRITE_EEPROM)
+
+flip: $(TARGET).hex
+ batchisp -hardware usb -device $(MCU_DFU) -operation erase f
+ batchisp -hardware usb -device $(MCU_DFU) -operation loadbuffer $(TARGET).hex program
+ batchisp -hardware usb -device $(MCU_DFU) -operation start reset 0
+
+dfu: $(TARGET).hex
+ dfu-programmer $(MCU_DFU) erase
+ dfu-programmer $(MCU_DFU) flash --debug 1 $(TARGET).hex
+ dfu-programmer $(MCU_DFU) reset
+
+
+flip-ee: $(TARGET).hex $(TARGET).eep
+ $(COPY) $(TARGET).eep $(TARGET)eep.hex
+ batchisp -hardware usb -device $(MCU_DFU) -operation memory EEPROM erase
+ batchisp -hardware usb -device $(MCU_DFU) -operation memory EEPROM loadbuffer $(TARGET)eep.hex program
+ batchisp -hardware usb -device $(MCU_DFU) -operation start reset 0
+ $(REMOVE) $(TARGET)eep.hex
+
+dfu-ee: $(TARGET).hex $(TARGET).eep
+ dfu-programmer $(MCU_DFU) flash-eeprom --debug 1 --suppress-bootloader-mem $(TARGET).eep
+ dfu-programmer $(MCU_DFU) reset
+
+
+# Generate avr-gdb config/init file which does the following:
+# define the reset signal, load the target file, connect to target, and set
+# a breakpoint at main().
+gdb-config:
+ @$(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 clean_binary end
+
+clean_binary:
+ $(REMOVE) $(TARGET).hex
+
+clean_list:
+ @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)
+ $(REMOVE) $(SRC:%.c=$(OBJDIR)/%.lst)
+ $(REMOVE) $(SRC:.c=.s)
+ $(REMOVE) $(SRC:.c=.d)
+ $(REMOVE) $(SRC:.c=.i)
+ $(REMOVEDIR) .dep
+
+doxygen:
+ @echo Generating Project Documentation...
+ @doxygen Doxygen.conf
+ @echo Documentation Generation Complete.
+
+clean_doxygen:
+ rm -rf Documentation
+
+# Create object files directory
+$(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 dfu flip flip-ee dfu-ee \
+debug gdb-config
diff --git a/firmwares/arduino-usbserial/readme.txt b/firmwares/arduino-usbserial/readme.txt new file mode 100644 index 0000000..289326b --- /dev/null +++ b/firmwares/arduino-usbserial/readme.txt @@ -0,0 +1,13 @@ +To setup the project and upload the Arduino usbserial application firmware to an ATMEGA8U2 using the Arduino USB DFU bootloader: +1. unpack the source into LUFA's Projects directory +2. set ARDUINO_MODEL_PID in the makefile as appropriate +3. do "make clean; make" +4. put the 8U2 into USB DFU mode: +4.a. assert and hold the 8U2's RESET line +4.b. assert and hold the 8U2's HWB line +4.c. release the 8U2's RESET line +4.d. release the 8U2's HWB line +5. confirm that the board enumerates as either "Arduino Uno DFU" or "Arduino Mega 2560 DFU" +6. do "make dfu" (OS X or Linux - dfu-programmer must be installed first) or "make flip" (Windows - Flip must be installed first) + +Check that the board enumerates as either "Arduino Uno" or "Arduino Mega 2560". Test by uploading a new Arduino sketch from the Arduino IDE. |