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-rw-r--r--bootloaders/diskloader/DiskLoader-Leonardo.hex290
-rw-r--r--bootloaders/diskloader/DiskLoader-Micro.hex113
-rw-r--r--bootloaders/diskloader/Makefile198
-rw-r--r--bootloaders/diskloader/src/CDC.cpp93
-rw-r--r--bootloaders/diskloader/src/DiskLoader.cpp304
-rw-r--r--bootloaders/diskloader/src/Platform.h59
-rw-r--r--bootloaders/diskloader/src/USBAPI.h64
-rw-r--r--bootloaders/diskloader/src/USBCore.cpp589
-rw-r--r--bootloaders/diskloader/src/USBCore.h88
-rw-r--r--bootloaders/diskloader/src/USBDesc.cpp82
-rw-r--r--bootloaders/diskloader/src/USBDesc.h45
11 files changed, 1046 insertions, 879 deletions
diff --git a/bootloaders/diskloader/DiskLoader-Leonardo.hex b/bootloaders/diskloader/DiskLoader-Leonardo.hex
index 4528a8b..0e2c445 100644
--- a/bootloaders/diskloader/DiskLoader-Leonardo.hex
+++ b/bootloaders/diskloader/DiskLoader-Leonardo.hex
@@ -1,113 +1,179 @@
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diff --git a/bootloaders/diskloader/DiskLoader-Micro.hex b/bootloaders/diskloader/DiskLoader-Micro.hex
deleted file mode 100644
index fbbcc52..0000000
--- a/bootloaders/diskloader/DiskLoader-Micro.hex
+++ /dev/null
@@ -1,113 +0,0 @@
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-:087EDA0000E1000000000000BF
-:040000030000780081
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diff --git a/bootloaders/diskloader/Makefile b/bootloaders/diskloader/Makefile
index 6ac3db3..0ae99e8 100644
--- a/bootloaders/diskloader/Makefile
+++ b/bootloaders/diskloader/Makefile
@@ -1,105 +1,103 @@
-###############################################################################
-# Makefile for DiskLoader
-###############################################################################
-
-## General Flags
-PROJECT = DiskLoader
-TARGET = DiskLoader.elf
-CC = avr-gcc
-
-# BOARD2
-MCU = atmega32u4
-AVR_FREQ = 16000000L
-
+###############################################################################
+# 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
+#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=0x7000,--relax
+
+## 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) $(AVRDUDE_FLAGS) -B 1 -u -U flash:w:$(TARGET).hex
diff --git a/bootloaders/diskloader/src/CDC.cpp b/bootloaders/diskloader/src/CDC.cpp
new file mode 100644
index 0000000..4496a9c
--- /dev/null
+++ b/bootloaders/diskloader/src/CDC.cpp
@@ -0,0 +1,93 @@
+
+
+/* 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"
+#include "USBAPI.h"
+#include <avr/wdt.h>
+
+#if defined(USBCON)
+
+typedef struct
+{
+ u32 dwDTERate;
+ u8 bCharFormat;
+ u8 bParityType;
+ u8 bDataBits;
+ u8 lineState;
+} LineInfo;
+
+static volatile LineInfo _usbLineInfo = { 57600, 0x00, 0x00, 0x00, 0x00 };
+
+#define WEAK __attribute__ ((weak))
+
+extern const CDCDescriptor _cdcInterface PROGMEM;
+const CDCDescriptor _cdcInterface =
+{
+ 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 (not)
+ D_CDCCS4(CDC_ABSTRACT_CONTROL_MANAGEMENT,6), // 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)
+};
+
+int WEAK CDC_GetInterface(u8* interfaceNum)
+{
+ interfaceNum[0] += 2; // uses 2
+ return USB_SendControl(TRANSFER_PGM,&_cdcInterface,sizeof(_cdcInterface));
+}
+
+bool WEAK CDC_Setup(Setup& setup)
+{
+ u8 r = setup.bRequest;
+ u8 requestType = setup.bmRequestType;
+
+ if (REQUEST_DEVICETOHOST_CLASS_INTERFACE == requestType)
+ {
+ if (CDC_GET_LINE_CODING == r)
+ {
+ USB_SendControl(0,(void*)&_usbLineInfo,7);
+ return true;
+ }
+ }
+
+ if (REQUEST_HOSTTODEVICE_CLASS_INTERFACE == requestType)
+ {
+ if (CDC_SET_LINE_CODING == r)
+ {
+ USB_RecvControl((void*)&_usbLineInfo,7);
+ return true;
+ }
+
+ if (CDC_SET_CONTROL_LINE_STATE == r)
+ {
+ _usbLineInfo.lineState = setup.wValueL;
+ return true;
+ }
+ }
+ return false;
+}
+#endif /* if defined(USBCON) */
diff --git a/bootloaders/diskloader/src/DiskLoader.cpp b/bootloaders/diskloader/src/DiskLoader.cpp
index 6580618..2792bc6 100644
--- a/bootloaders/diskloader/src/DiskLoader.cpp
+++ b/bootloaders/diskloader/src/DiskLoader.cpp
@@ -1,64 +1,67 @@
-
+/*
+ * DiskLoader.cpp
+ */
#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
- ::);
+ "eor r1, r1\n" // Zero register
+ "out 0x3F, r1\n" // SREG
+ "ldi r28, 0xFF\n" // Y-register
+ "ldi r29, 0x0A\n" // Y-register
+ "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;
+u16 do_reset = 0;
+volatile u16 _timeout = 0;
void Program(u8 ep, u16 page, u8 count)
{
- u8 write = page < 30*1024; // Don't write over firmware please
+ u8 write = page < 28*1024; // Don't write over bootloader please
if (write)
boot_page_erase(page);
-
- Recv(ep,_flashbuf,count); // Read while page is erasing
-
+
+ USB_Recv_block(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
+u16 _pulse;
+void LEDPulse()
+{
+ _pulse += 1;
+ u8 p = _pulse >> 9;
+ if (p > 63)
+ p = 127-p;
+ p += p;
+ if (((u8)_pulse) > p)
+ L_LED_OFF();
+ else
+ L_LED_ON();
+}
#define HW_VER 0x02
#define SW_MAJOR 0x01
@@ -104,136 +107,147 @@ const u8 _consts[] =
0x00, //
};
+void start_sketch()
+{
+ if (pgm_read_word(0) == -1) // no sketch has been uploaded yet - stay in bootloader
+ return;
+
+ L_LED_OFF();
+ RX_LED_OFF();
+ TX_LED_OFF();
+ /* move interrupts to application section:
+ * uses inline assembly because the procedure must be completed in four cycles.
+ */
+ cli(); // disable interrupts first
+ asm volatile (
+ "ldi r16, 0x01\n" // (1<<IVCE) /* Enable change of interrupt vectors */
+ "out 0x35, r16\n" // MCUCR
+ "ldi r16, 0x00\n" // (1<<IVSEL) /* Move interrupts to application flash section */
+ "out 0x35, r16\n" // MCUCR
+ );
+ UDCON = 1; // Detatch USB
+ UDIEN = 0;
+ asm volatile ( // Reset vector to run firmware
+ "clr r30\n"
+ "clr r31\n"
+ "ijmp\n"
+ ::);
+}
-void USBInit(void);
int main(void) __attribute__ ((naked));
-
-// STK500v1 main loop, very similar to optiboot in protocol and implementation
-int main()
-{
+int main()
+{
wdt_disable();
- TXLED0;
- RXLED0;
- LED0;
BOARD_INIT();
- USBInit();
-
+ /* move interrupts to boot section:
+ * uses inline assembly because the procedure must be completed in four cycles.
+ * seems to fail if called before disabling WDT and calling BOARD_INIT()
+ */
+ asm volatile (
+ "ldi r16, 0x01\n" // (1<<IVCE) /* Enable change of interrupt vectors */
+ "out 0x35, r16\n" // MCUCR
+ "ldi r16, 0x02\n" // (1<<IVSEL) /* Move interrupts to boot flash section */
+ "out 0x35, r16\n" // MCUCR
+ );
+ TX_LED_OFF();
+ RX_LED_OFF();
+ L_LED_OFF();
+ USB.attach();
+ sei();
+
_inSync = STK_INSYNC;
_ok = STK_OK;
-
- if (pgm_read_word(0) != -1)
- _ejected = 1;
-
- for(;;)
+
+ for (;;)
{
u8* packet = _flashbuf;
u16 address = 0;
for (;;)
- {
- u8 cmd = getch();
-
- // Read packet contents
- u8 len;
- const u8* rs = _readSize;
- for(;;)
+ {
+ if (USB_Available(CDC_RX))
{
- u8 c = pgm_read_byte(rs++);
- len = pgm_read_byte(rs++);
- if (c == cmd || c == 0)
+ u8 cmd = USB_Recv(CDC_RX);
+
+ // 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
+ USB_Recv_block(CDC_RX, packet, len);
+
+ // Send a response
+ u8 send = 0;
+ const u8* pgm = _consts+7;
+ if (STK_GET_PARAMETER == cmd)
+ {
+ u8 i = packet[0] - 0x80;
+ if (i > 2)
+ i = (i==0x18) ? 3 : 4;
+ pgm = _consts + i + 3;
+ send = 1;
+ }
+ else if (STK_UNIVERSAL == cmd)
+ {
+ if (packet[0] == 0x30)
+ pgm = _consts + packet[2];
+ send = 1;
+ }
+ else if (STK_READ_SIGN == cmd)
+ {
+ pgm = _consts;
+ send = 3;
+ }
+ else if (STK_LOAD_ADDRESS == cmd)
+ {
+ address = *((u16*)packet); // word address
+ 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;
+ }
+
+ u16 countdown = 5000;
+ while (countdown-- > 10 && !USB_Available(CDC_RX))
+ ;
+ int x = USB_Recv(CDC_RX);
+ if (x != -1 && x != ' ')
break;
+
+ USB_Send(CDC_TX, &_inSync, 1);
+
+ if (send)
+ USB_Send(CDC_TX|TRANSFER_PGM, pgm, send);
+
+ // Send ok
+ USB_Send(CDC_TX|TRANSFER_RELEASE, &_ok, 1);
+
+ if ('Q' == cmd)
+ {
+ _delay_ms(100);
+ start_sketch();
+ }
}
- _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)
+ else
{
- if (packet[0] == 0x30)
- pgm = _consts + packet[2]; // read signature
- send = 1;
+ LEDPulse();
+ _delay_us(100);
+ if (_timeout-- == 1)
+ start_sketch();
}
-
- // 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
index 6acbf39..f1194a5 100644
--- a/bootloaders/diskloader/src/Platform.h
+++ b/bootloaders/diskloader/src/Platform.h
@@ -1,3 +1,9 @@
+/*
+ * Platform.h
+ */
+
+#ifndef __PLATFORM_H__
+#define __PLATFORM_H__
#include <inttypes.h>
#include <avr/io.h>
@@ -11,39 +17,50 @@
#include <stdlib.h>
#include <string.h>
+#ifdef __cplusplus
+extern "C"{
+#endif
+
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 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 min(a,b) ((a)<(b)?(a):(b))
-#define TRANSFER_PGM 0x80
-#define TRANSFER_RELEASE 0x40
-#define TRANSFER_ZERO 0x20
+#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)
-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 BOARD_INIT() DDRC |= (1<<7); DDRB |= (1<<0); DDRE |= (1<<6); CPU_PRESCALE(0); DISABLE_JTAG(); // for XXX-series boards
+//#define BOARD_INIT() DDRC |= (1<<7); DDRB |= (1<<0); DDRD |= (1<<5); CPU_PRESCALE(0); DISABLE_JTAG(); // for non-XXX boards
-#define CDC_ENABLED
+// for XXX-series boards
+#define TX_LED_OFF() PORTE |= (1<<6)
+#define TX_LED_ON() PORTE &= ~(1<<6)
+#define RX_LED_OFF() PORTB |= (1<<0)
+#define RX_LED_ON() PORTB &= ~(1<<0)
+#define L_LED_OFF() PORTC &= ~(1<<7)
+#define L_LED_ON() PORTC |= (1<<7)
+#define L_LED_TOGGLE() PORTC ^= (1<<7)
-#include "USBCore.h"
-#include "USBDesc.h"
+// these for non-XXX boards
+//#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)
+#ifdef __cplusplus
+} /* extern "C"{ */
+#endif
+
+#include "USBDesc.h"
+#include "USBCore.h"
+#include "USBAPI.h"
+#endif /* __PLATFORM_H__ */
diff --git a/bootloaders/diskloader/src/USBAPI.h b/bootloaders/diskloader/src/USBAPI.h
new file mode 100644
index 0000000..f8d71c8
--- /dev/null
+++ b/bootloaders/diskloader/src/USBAPI.h
@@ -0,0 +1,64 @@
+
+
+#ifndef __USBAPI__
+#define __USBAPI__
+
+#if defined(USBCON)
+
+//================================================================================
+//================================================================================
+// USB
+
+class USB_
+{
+public:
+ USB_();
+ bool configured();
+
+ void attach();
+ void detach(); // Serial port goes down too...
+ void poll();
+};
+extern USB_ USB;
+
+//================================================================================
+//================================================================================
+// Low level API
+
+typedef struct
+{
+ uint8_t bmRequestType;
+ uint8_t bRequest;
+ uint8_t wValueL;
+ uint8_t wValueH;
+ uint16_t wIndex;
+ uint16_t wLength;
+} Setup;
+
+//================================================================================
+//================================================================================
+// CDC 'Driver'
+
+int CDC_GetInterface(uint8_t* interfaceNum);
+int CDC_GetDescriptor(int i);
+bool CDC_Setup(Setup& setup);
+
+//================================================================================
+//================================================================================
+
+#define TRANSFER_PGM 0x80
+#define TRANSFER_RELEASE 0x40
+#define TRANSFER_ZERO 0x20
+
+int USB_SendControl(uint8_t flags, const void* d, int len);
+int USB_RecvControl(void* d, int len);
+
+uint8_t USB_Available(uint8_t ep);
+int USB_Send(uint8_t ep, const void* data, int len); // blocking
+int USB_Recv(uint8_t ep, void* data, int len); // non-blocking
+void USB_Recv_block(u8 ep, u8* dst, int len); // blocking
+int USB_Recv(uint8_t ep); // non-blocking
+void USB_Flush(uint8_t ep);
+
+#endif
+#endif /* if defined(USBCON) */
diff --git a/bootloaders/diskloader/src/USBCore.cpp b/bootloaders/diskloader/src/USBCore.cpp
index ca74721..6518ae9 100644
--- a/bootloaders/diskloader/src/USBCore.cpp
+++ b/bootloaders/diskloader/src/USBCore.cpp
@@ -1,5 +1,4 @@
-
/* Copyright (c) 2010, Peter Barrett
**
** Permission to use, copy, modify, and/or distribute this software for
@@ -17,9 +16,10 @@
*/
#include "Platform.h"
+#include "USBAPI.h"
+#include "USBDesc.h"
-#define CDC_TX CDC_ENDPOINT_IN
-#define CDC_RX CDC_ENDPOINT_OUT
+#if defined(USBCON)
#define EP_TYPE_CONTROL 0x00
#define EP_TYPE_BULK_IN 0x81
@@ -31,32 +31,50 @@
/** 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();
+volatile u8 TxLEDPulse; /**< Milliseconds remaining for data Tx LED pulse */
+volatile u8 RxLEDPulse; /**< Milliseconds remaining for data Rx LED pulse */
//==================================================================
//==================================================================
-typedef struct
-{
- u32 dwDTERate;
- u8 bCharFormat;
- u8 bParityType;
- u8 bDataBits;
- u8 lineState;
-} LineInfo;
+extern const u16 STRING_LANGUAGE[] PROGMEM;
+extern const u16 STRING_IPRODUCT[] PROGMEM;
+extern const u16 STRING_IMANUFACTURER[] PROGMEM;
+extern const DeviceDescriptor USB_DeviceDescriptor PROGMEM;
+extern const DeviceDescriptor USB_DeviceDescriptorA PROGMEM;
-static volatile LineInfo _usbLineInfo = { 57600, 0x00, 0x00, 0x00, 0x00 };
+const u16 STRING_LANGUAGE[2] = {
+ (3<<8) | (2+2),
+ 0x0409 // English
+};
+
+const u16 STRING_IPRODUCT[17] = {
+ (3<<8) | (2+2*16),
+#if USB_PID == USB_PID_LEONARDO
+ 'A','r','d','u','i','n','o',' ','L','e','o','n','a','r','d','o'
+#elif USB_PID == USB_PID_MICRO
+ 'A','r','d','u','i','n','o',' ','M','i','c','r','o',' ',' ',' '
+#endif
+};
+
+const u16 STRING_IMANUFACTURER[12] = {
+ (3<<8) | (2+2*11),
+ 'A','r','d','u','i','n','o',' ','L','L','C'
+};
+
+#define DEVICE_CLASS 0x02
+
+// DEVICE DESCRIPTOR
+const DeviceDescriptor USB_DeviceDescriptor =
+ D_DEVICE(0x00,0x00,0x00,64,USB_VID,USB_PID,0x100,IMANUFACTURER,IPRODUCT,0,1);
+
+const DeviceDescriptor USB_DeviceDescriptorA =
+ D_DEVICE(DEVICE_CLASS,0x00,0x00,64,USB_VID,USB_PID,0x100,IMANUFACTURER,IPRODUCT,0,1);
//==================================================================
//==================================================================
-// 4 bytes of RAM
-volatile u8 _usbConfiguration;
-volatile u8 _ejected;
-volatile u16 _timeout;
+volatile u8 _usbConfiguration = 0;
static inline void WaitIN(void)
{
@@ -86,34 +104,25 @@ 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;
+
+ RX_LED_ON();
+ RxLEDPulse = TX_RX_LED_PULSE_MS;
}
static inline u8 Recv8()
{
- RXLED1; // light the RX LED
+ RX_LED_ON();
RxLEDPulse = TX_RX_LED_PULSE_MS;
- return UEDATX;
+
+ return UEDATX;
}
static inline void Send8(u8 d)
{
- TXLED1; // light the TX LED
- TxLEDPulse = TX_RX_LED_PULSE_MS;
UEDATX = d;
}
@@ -175,48 +184,37 @@ static inline u8 FrameNumber()
//==================================================================
//==================================================================
-#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)
+#define USB_RECV_TIMEOUT
+class LockEP
{
- SetEP(ep);
- return ReadWriteAllowed(); // count in fifo
+ u8 _sreg;
+public:
+ LockEP(u8 ep) : _sreg(SREG)
+ {
+ cli();
+ SetEP(ep & 7);
+ }
+ ~LockEP()
+ {
+ SREG = _sreg;
+ }
+};
+
+// Number of bytes, assumes a rx endpoint
+u8 USB_Available(u8 ep)
+{
+ LockEP lock(ep);
+ return FifoByteCount();
}
-int USBGetChar();
-void Recv(u8 ep, u8* dst, u8 len)
+void USB_Recv_block(u8 ep, u8* dst, int len)
{
- SetEP(ep);
+ LockEP lock(ep);
while (len--)
{
while (!ReadWriteAllowed())
@@ -224,47 +222,119 @@ void Recv(u8 ep, u8* dst, u8 len)
*dst++ = Recv8();
if (!ReadWriteAllowed()) // release empty buffer
ReleaseRX();
- }
+ }
}
-// Transmit a packet to endpoint
-void Transfer(u8 ep, const u8* data, int len)
+// Non Blocking receive
+// Return number of bytes read
+int USB_Recv(u8 ep, void* d, int len)
{
- u8 zero = ep & TRANSFER_ZERO;
- SetEP(ep & 7);
- while (len--)
- {
- while (!ReadWriteAllowed())
- ; // TODO Check for STALL etc
+ if (!_usbConfiguration || len < 0)
+ return -1;
+
+ LockEP lock(ep);
+ u8 n = FifoByteCount();
+ len = min(n,len);
+ n = len;
+ u8* dst = (u8*)d;
+ while (n--)
+ *dst++ = Recv8();
+ if (len && !FifoByteCount()) // release empty buffer
+ ReleaseRX();
+
+ return len;
+}
- u8 d = (ep & TRANSFER_PGM) ? pgm_read_byte(data) : data[0];
- data++;
- if (zero)
- d = 0;
- Send8(d);
+// Recv 1 byte if ready
+int USB_Recv(u8 ep)
+{
+ u8 c;
+ if (USB_Recv(ep,&c,1) != 1)
+ return -1;
+ return c;
+}
+
+// Space in send EP
+u8 USB_SendSpace(u8 ep)
+{
+ LockEP lock(ep);
+ if (!ReadWriteAllowed())
+ return 0;
+ return 64 - FifoByteCount();
+}
+
+// Blocking Send of data to an endpoint
+int USB_Send(u8 ep, const void* d, int len)
+{
+ if (!_usbConfiguration)
+ return -1;
+
+ int r = len;
+ const u8* data = (const u8*)d;
+ while (len)
+ {
+ u8 n = USB_SendSpace(ep);
+ if (n == 0)
+ {
+ _delay_ms(1);
+ continue;
+ }
- if (!ReadWriteAllowed())
- ReleaseTX();
+ if (n > len)
+ n = len;
+ len -= n;
+ {
+ LockEP lock(ep);
+ if (ep & TRANSFER_ZERO)
+ {
+ while (n--)
+ Send8(0);
+ }
+ else if (ep & TRANSFER_PGM)
+ {
+ while (n--)
+ Send8(pgm_read_byte(data++));
+ }
+ else
+ {
+ while (n--)
+ Send8(*data++);
+ }
+ if (!ReadWriteAllowed() || ((len == 0) && (ep & TRANSFER_RELEASE))) // Release full buffer
+ ReleaseTX();
+ }
}
if (ep & TRANSFER_RELEASE)
ReleaseTX();
+
+ TX_LED_ON();
+ TxLEDPulse = TX_RX_LED_PULSE_MS;
+ return r;
}
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()
+#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;
+}
+
+static
+void InitEndpoints()
{
for (u8 i = 1; i < sizeof(_initEndpoints); i++)
{
@@ -277,99 +347,113 @@ static void InitEndpoints()
UERST = 0;
}
-typedef struct
+// Handle CLASS_INTERFACE requests
+static
+bool ClassInterfaceRequest(Setup& setup)
{
- u8 bmRequestType;
- u8 bRequest;
- u8 wValueL;
- u8 wValueH;
- u16 wIndex;
- u16 wLength;
-} Setup;
-Setup _setup;
+ u8 i = setup.wIndex;
-//bool USBHook(Setup& setup)
-bool USBHook()
-{
- Setup& setup = _setup;
- u8 r = setup.bRequest;
+ if (CDC_ACM_INTERFACE == i)
+ return CDC_Setup(setup);
- // CDC Requests
- if (CDC_GET_LINE_CODING == r)
- {
- Send((const volatile u8*)&_usbLineInfo,7);
- }
+ return false;
+}
+
+int _cmark;
+int _cend;
+void InitControl(int end)
+{
+ SetEP(0);
+ _cmark = 0;
+ _cend = end;
+}
- else if (CDC_SET_LINE_CODING == r)
+static
+bool SendControl(u8 d)
+{
+ if (_cmark < _cend)
{
- WaitOUT();
- Recv((volatile u8*)&_usbLineInfo,7);
- ClearOUT();
+ if (!WaitForINOrOUT())
+ return false;
+ Send8(d);
+ if (!((_cmark + 1) & 0x3F))
+ ClearIN(); // Fifo is full, release this packet
}
+ _cmark++;
+ return true;
+};
- else if (CDC_SET_CONTROL_LINE_STATE == r)
+// Clipped by _cmark/_cend
+int USB_SendControl(u8 flags, const void* d, int len)
+{
+ int sent = len;
+ const u8* data = (const u8*)d;
+ bool pgm = flags & TRANSFER_PGM;
+ while (len--)
{
- _usbLineInfo.lineState = setup.wValueL;
+ u8 c = pgm ? pgm_read_byte(data++) : *data++;
+ if (!SendControl(c))
+ return -1;
}
-
- return true;
+ return sent;
}
-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[] =
+// Does not timeout or cross fifo boundaries
+// Will only work for transfers <= 64 bytes
+// TODO
+int USB_RecvControl(void* d, int len)
{
- // RAW HID
- 0x06, LSB(RAWHID_USAGE_PAGE), MSB(RAWHID_USAGE_PAGE), // 30
- 0x0A, LSB(RAWHID_USAGE), MSB(RAWHID_USAGE),
+ WaitOUT();
+ Recv((u8*)d,len);
+ ClearOUT();
+ return len;
+}
- 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
+int SendInterfaces()
+{
+ int total = 0;
+ u8 interfaces = 0;
+ total = CDC_GetInterface(&interfaces);
+ return interfaces;
+}
- 0x95, 64, // report count TX
- 0x09, 0x01, // usage
- 0x81, 0x02, // Input (array)
+// Construct a dynamic configuration descriptor
+// This really needs dynamic endpoint allocation etc
+// TODO
+static
+bool SendConfiguration(int maxlen)
+{
+ // Count and measure interfaces
+ InitControl(0);
+ int interfaces = SendInterfaces();
+ ConfigDescriptor config = D_CONFIG(_cmark + sizeof(ConfigDescriptor),interfaces);
- 0x95, 64, // report count RX
- 0x09, 0x02, // usage
- 0x91, 0x02, // Output (array)
- 0xC0 // end collection
-};
+ // Now send them
+ InitControl(maxlen);
+ USB_SendControl(0,&config,sizeof(ConfigDescriptor));
+ SendInterfaces();
+ return true;
+}
u8 _cdcComposite = 0;
-bool SendDescriptor()
+static
+bool SendDescriptor(Setup& setup)
{
- Setup& setup = _setup;
+ u8 t = setup.wValueH;
+ if (USB_CONFIGURATION_DESCRIPTOR_TYPE == t)
+ return SendConfiguration(setup.wLength);
+
+ InitControl(setup.wLength);
+
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 (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)
@@ -380,81 +464,106 @@ bool SendDescriptor()
desc_addr = (const u8*)&STRING_IMANUFACTURER;
else
return false;
- } else
- return false;
+ }
+ if (desc_addr == 0)
+ 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);
+
+ USB_SendControl(TRANSFER_PGM,desc_addr,desc_length);
return true;
}
-void USBSetupInterrupt()
+// Endpoint 0 interrupt
+ISR(USB_COM_vect)
{
SetEP(0);
if (!ReceivedSetupInt())
return;
- Setup& setup = _setup; // global saves ~30 bytes
+ Setup setup;
Recv((u8*)&setup,8);
ClearSetupInt();
- if (setup.bmRequestType & DEVICETOHOST)
+ u8 requestType = setup.bmRequestType;
+ if (requestType & REQUEST_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)
+ if (REQUEST_STANDARD == (requestType & REQUEST_TYPE))
{
- Send8(0); // All good as far as I know
- }
- else if (GET_DESCRIPTOR == r)
- {
- ok = SendDescriptor();
+ // Standard Requests
+ u8 r = setup.bRequest;
+ if (GET_STATUS == r)
+ {
+ Send8(0); // TODO
+ Send8(0);
+ }
+ else if (CLEAR_FEATURE == r)
+ {
+ }
+ else if (SET_FEATURE == r)
+ {
+ }
+ else if (SET_ADDRESS == r)
+ {
+ WaitIN();
+ UDADDR = setup.wValueL | (1<<ADDEN);
+ }
+ else if (GET_DESCRIPTOR == r)
+ {
+ ok = SendDescriptor(setup);
+ }
+ else if (SET_DESCRIPTOR == r)
+ {
+ ok = false;
+ }
+ else if (GET_CONFIGURATION == r)
+ {
+ Send8(1);
+ }
+ else if (SET_CONFIGURATION == r)
+ {
+ if (REQUEST_DEVICE == (requestType & REQUEST_RECIPIENT))
+ {
+ InitEndpoints();
+ _usbConfiguration = setup.wValueL;
+ } else
+ ok = false;
+ }
+ else if (GET_INTERFACE == r)
+ {
+ }
+ else if (SET_INTERFACE == r)
+ {
+ }
}
else
{
- ok = USBHook();
+ InitControl(setup.wLength); // Max length of transfer
+ ok = ClassInterfaceRequest(setup);
}
if (ok)
ClearIN();
else
+ {
Stall();
+ }
}
-void USBGeneralInterrupt()
+void USB_Flush(u8 ep)
+{
+ SetEP(ep);
+ if (FifoByteCount())
+ ReleaseTX();
+}
+
+// General interrupt
+ISR(USB_GEN_vect)
{
u8 udint = UDINT;
UDINT = 0;
@@ -464,45 +573,67 @@ void USBGeneralInterrupt()
{
InitEP(0,EP_TYPE_CONTROL,EP_SINGLE_64); // init ep0
_usbConfiguration = 0; // not configured yet
+ UEIENX = 1 << RXSTPE; // Enable interrupts for ep0
}
// Start of Frame - happens every millisecond so we use it for TX and RX LED one-shot timing, too
if (udint & (1<<SOFI))
{
+ USB_Flush(CDC_TX); // Send a tx frame if found
+
// check whether the one-shot period has elapsed. if so, turn off the LED
if (TxLEDPulse && !(--TxLEDPulse))
- TXLED0;
+ TX_LED_OFF();
if (RxLEDPulse && !(--RxLEDPulse))
- RXLED0;
-
- if (!_ejected)
- _timeout = 0;
+ RX_LED_OFF();
}
}
-void LEDPulse();
-int USBGetChar()
+// VBUS or counting frames
+// Any frame counting?
+u8 USBConnected()
{
- for(;;)
- {
- USBSetupInterrupt();
- USBGeneralInterrupt();
+ u8 f = UDFNUML;
+// delay(3);
+ _delay_ms(3);
+ return f != UDFNUML;
+}
- // 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;
+//=======================================================================
+//=======================================================================
+
+USB_ USB;
+
+USB_::USB_()
+{
}
+
+void USB_::attach()
+{
+ _usbConfiguration = 0;
+ UHWCON = 0x01; // power internal reg
+ 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
+ UDIEN = (1<<EORSTE)|(1<<SOFE); // Enable interrupts for EOR (End of Reset) and SOF (start of frame)
+ UDCON = 0; // enable attach resistor
+}
+
+void USB_::detach()
+{
+}
+
+// Check for interrupts
+// TODO: VBUS detection
+bool USB_::configured()
+{
+ return _usbConfiguration;
+}
+
+void USB_::poll()
+{
+}
+
+#endif /* if defined(USBCON) */
diff --git a/bootloaders/diskloader/src/USBCore.h b/bootloaders/diskloader/src/USBCore.h
index 537c0ec..511b57c 100644
--- a/bootloaders/diskloader/src/USBCore.h
+++ b/bootloaders/diskloader/src/USBCore.h
@@ -18,29 +18,42 @@
#ifndef __USBCORE_H__
#define __USBCORE_H__
+// Standard requests
#define GET_STATUS 0
#define CLEAR_FEATURE 1
#define SET_FEATURE 3
#define SET_ADDRESS 5
#define GET_DESCRIPTOR 6
+#define SET_DESCRIPTOR 7
#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 REQUEST_HOSTTODEVICE 0x00
+#define REQUEST_DEVICETOHOST 0x80
+#define REQUEST_DIRECTION 0x80
+
+#define REQUEST_STANDARD 0x00
+#define REQUEST_CLASS 0x20
+#define REQUEST_VENDOR 0x40
+#define REQUEST_TYPE 0x60
+
+#define REQUEST_DEVICE 0x00
+#define REQUEST_INTERFACE 0x01
+#define REQUEST_ENDPOINT 0x02
+#define REQUEST_OTHER 0x03
+#define REQUEST_RECIPIENT 0x03
+
+#define REQUEST_DEVICETOHOST_CLASS_INTERFACE (REQUEST_DEVICETOHOST + REQUEST_CLASS + REQUEST_INTERFACE)
+#define REQUEST_HOSTTODEVICE_CLASS_INTERFACE (REQUEST_HOSTTODEVICE + REQUEST_CLASS + REQUEST_INTERFACE)
+
+// Class requests
+
+#define CDC_SET_LINE_CODING 0x20
+#define CDC_GET_LINE_CODING 0x21
#define CDC_SET_CONTROL_LINE_STATE 0x22
// Descriptors
@@ -94,7 +107,6 @@
#define CDC_CS_ENDPOINT 0x25
#define CDC_DATA_INTERFACE_CLASS 0x0A
-
// Device
typedef struct {
u8 len; // 18
@@ -186,14 +198,32 @@ typedef struct
typedef struct
{
+ u8 len;
+ u8 dtype; // 0x24
+ u8 subtype; // 1
+ u8 bmCapabilities;
+ u8 bDataInterface;
+} CMFunctionalDescriptor;
+
+typedef struct
+{
+ u8 len;
+ u8 dtype; // 0x24
+ u8 subtype; // 1
+ u8 bmCapabilities;
+} ACMFunctionalDescriptor;
+
+typedef struct
+{
+ // IAD
IADDescriptor iad; // Only needed on compound device
// Control
InterfaceDescriptor cif; //
CDCCSInterfaceDescriptor header;
- CDCCSInterfaceDescriptor callManagement;
- CDCCSInterfaceDescriptor4 controlManagement;
- CDCCSInterfaceDescriptor functionalDescriptor;
+ CMFunctionalDescriptor callManagement; // Call Management
+ ACMFunctionalDescriptor controlManagement; // ACM
+ CDCCSInterfaceDescriptor functionalDescriptor; // CDC_UNION
EndpointDescriptor cifin;
// Data
@@ -202,31 +232,11 @@ typedef struct
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) }
+ { 9, 2, _totalLength,_interfaces, 1, 0, USB_CONFIG_BUS_POWERED, USB_CONFIG_POWER_MA(500) }
#define D_INTERFACE(_n,_numEndpoints,_class,_subClass,_protocol) \
{ 9, 4, _n, 0, _numEndpoints, _class,_subClass, _protocol, 0 }
@@ -237,10 +247,8 @@ typedef struct
#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 c8ea9c6..0000000
--- a/bootloaders/diskloader/src/USBDesc.cpp
+++ /dev/null
@@ -1,82 +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_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,IMANUFACTURER,IPRODUCT,0,1);
-//#else
-DeviceDescriptor USB_DeviceDescriptor = D_DEVICE(0x00,0x00,0x00,64,USB_VID,USB_PID,0x100,IMANUFACTURER,IPRODUCT,0,1);
-//#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
index 094dba5..588a40c 100644
--- a/bootloaders/diskloader/src/USBDesc.h
+++ b/bootloaders/diskloader/src/USBDesc.h
@@ -16,48 +16,19 @@
** SOFTWARE.
*/
-
-#ifdef CDC_ENABLED
+#define CDC_INTERFACE_COUNT 2
+#define CDC_ENPOINT_COUNT 3
#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
+#define CDC_FIRST_ENDPOINT 1
+#define CDC_ENDPOINT_ACM (CDC_FIRST_ENDPOINT) // CDC First
+#define CDC_ENDPOINT_OUT (CDC_FIRST_ENDPOINT+1)
+#define CDC_ENDPOINT_IN (CDC_FIRST_ENDPOINT+2)
-#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;
+#define CDC_RX CDC_ENDPOINT_OUT
+#define CDC_TX CDC_ENDPOINT_IN
#define IMANUFACTURER 1
#define IPRODUCT 2
-#define CDC_TX CDC_ENDPOINT_IN
-#define CDC_RX CDC_ENDPOINT_OUT \ No newline at end of file
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-11-23 12:07:11 +0000