commit
4df793ecb2
@ -0,0 +1,10 @@ |
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src/lufa-LUFA-210130 |
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*.bin |
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*.eep |
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*.elf |
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*.hex |
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*.lss |
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*.map |
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*.sym |
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obj |
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bin |
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@ -0,0 +1,60 @@ |
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# https://github.com/jkent/caterina-promicro
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VID = 0xbeef
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PID = 0x0001
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CDEFS = -DDEVICE_VID=$(VID)UL
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CDEFS += -DDEVICE_PID=$(PID)UL
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MCU = atmega32u4
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F_CPU = 16000000
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ARCH = AVR8
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TARGET = App
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SRC = src/main.c src/Descriptors.c $(LUFA_SRC_USB) $(LUFA_SRC_USBCLASS)
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F_USB = $(F_CPU)
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OPTIMIZATION = s
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BOARD = USER
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CC_FLAGS = -Isrc -DUSE_LUFA_CONFIG_HEADER -IConfig/ $(CDEFS) -I$(LUFA_PATH)/
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CC_FLAGS += -std=gnu99 -mmcu=$(MCU) -DF_CPU=$(F_CPU)UL $(CDEFS)
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CC_FLAGS += -funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums
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CC_FLAGS += -Wall -Wno-main -Wno-strict-prototypes -Wno-comment
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CC_FLAGS += -g2 -Wextra -Wfatal-errors -Wno-unused-but-set-variable
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CC_FLAGS += -ffunction-sections -fdata-sections -Os $(LUFA_OPTS)
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LUFA_PATH = src/lufa-LUFA-210130/LUFA
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LD_FLAGS = -Wl,--gc-sections -Wl,--relax
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include $(LUFA_PATH)/Build/lufa_core.mk |
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include $(LUFA_PATH)/Build/lufa_sources.mk |
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include $(LUFA_PATH)/Build/lufa_build.mk |
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#include $(LUFA_PATH)/Build/lufa_cppcheck.mk
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#include $(LUFA_PATH)/Build/lufa_doxygen.mk
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#include $(LUFA_PATH)/Build/lufa_dfu.mk
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#include $(LUFA_PATH)/Build/lufa_hid.mk
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#include $(LUFA_PATH)/Build/lufa_avrdude.mk
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#include $(LUFA_PATH)/Build/lufa_atprogram.mk
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PROGRAMMER_TYPE = avr109
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PROGRAMMER_ARGS = -P /dev/ttyACM0
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AVRDUDE = avrdude
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.PHONY: eeprom flash flashe shell |
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eeprom: $(TARGET).eeprom |
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%.eeprom: %.elf |
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$(OBJCOPY) -j .eeprom --change-section-lma .eeprom=0 -O ihex $< $@
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flash: $(TARGET).hex |
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stty -F /dev/ttyACM0 speed 1200
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stty -F /dev/ttyACM0 speed 115200
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$(AVRDUDE) -c $(PROGRAMMER_TYPE) -p $(MCU) $(PROGRAMMER_ARGS) -U flash:w:$<
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flashe: $(TARGET).eeprom |
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$(AVRDUDE) -c $(PROGRAMMER_TYPE) -p $(MCU) $(PROGRAMMER_ARGS) -U eeprom:w:$<
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shell: |
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$(AVRDUDE) -c $(PROGRAMMER_TYPE) -p $(MCU) $(PROGRAMMER_ARGS) -nt
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@ -0,0 +1,164 @@ |
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# https://github.com/jkent/caterina-promicro |
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## === CPU settings === |
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MCU = atmega32u4 |
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F_CPU = 16000000 |
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ARCH = AVR8 |
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TARGET = Target |
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# Input clock frequency. |
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# This will define a symbol, F_USB, in all source code files equal to the |
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# input clock frequency (before any prescaling is performed) in Hz. This value may |
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# differ from F_CPU if prescaling is used on the latter, and is required as the |
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# raw input clock is fed directly to the PLL sections of the AVR for high speed |
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# clock generation for the USB and other AVR subsections. Do NOT tack on a 'UL' |
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# at the end, this will be done automatically to create a 32-bit value in your |
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# source code. |
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# |
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# If no clock division is performed on the input clock inside the AVR (via the |
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# CPU clock adjust registers or the clock division fuses), this will be equal to F_CPU. |
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F_USB = $(F_CPU) |
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## === Source files === |
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# Main C file |
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APP = app |
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SRC_DIR=src |
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INC_DIR=src |
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OBJ_DIR=obj |
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BIN_DIR=bin |
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# LUFA library compile-time options and predefined tokens |
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LUFA_OPTS = -D USB_DEVICE_ONLY |
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LUFA_OPTS += -D DEVICE_STATE_AS_GPIOR=0 |
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LUFA_OPTS += -D ORDERED_EP_CONFIG |
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LUFA_OPTS += -D FIXED_CONTROL_ENDPOINT_SIZE=8 |
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LUFA_OPTS += -D FIXED_NUM_CONFIGURATIONS=1 |
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LUFA_OPTS += -D USE_RAM_DESCRIPTORS |
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LUFA_OPTS += -D USE_STATIC_OPTIONS="(USB_DEVICE_OPT_FULLSPEED | USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)" |
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LUFA_OPTS += -D NO_INTERNAL_SERIAL |
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LUFA_OPTS += -D NO_DEVICE_SELF_POWER |
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LUFA_OPTS += -D NO_DEVICE_REMOTE_WAKEUP |
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LUFA_OPTS += -D NO_SOF_EVENTS |
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LUFA_OPTS += -D F_USB=$(F_USB)UL |
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#LUFA_OPTS += -D NO_BLOCK_SUPPORT |
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#LUFA_OPTS += -D NO_EEPROM_BYTE_SUPPORT |
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#LUFA_OPTS += -D NO_FLASH_BYTE_SUPPORT |
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LUFA_OPTS += -D NO_LOCK_BYTE_WRITE_SUPPORT |
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LUFA_PATH = src/lufa-LUFA-210130/LUFA |
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include $(LUFA_PATH)/Build/lufa_core.mk |
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include $(LUFA_PATH)/Build/lufa_sources.mk |
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include $(LUFA_PATH)/Build/lufa_build.mk |
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#include $(LUFA_PATH)/Build/lufa_cppcheck.mk |
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#include $(LUFA_PATH)/Build/lufa_doxygen.mk |
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#include $(LUFA_PATH)/Build/lufa_dfu.mk |
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#include $(LUFA_PATH)/Build/lufa_hid.mk |
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#include $(LUFA_PATH)/Build/lufa_avrdude.mk |
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#include $(LUFA_PATH)/Build/lufa_atprogram.mk |
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## === Programmer === |
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#PROGRAMMER_TYPE = arduino |
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PROGRAMMER_TYPE = avr109 |
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PROGRAMMER_ARGS = -P /dev/ttyACM0 |
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# USB vendor ID (VID) |
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# SparkFun |
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VID = 0xbeef |
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# USB product ID (PID) |
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PID = 0x0001 |
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CDEFS = -DDEVICE_VID=$(VID)UL |
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CDEFS += -DDEVICE_PID=$(PID)UL |
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## === C flags === |
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INCFLAGS += -I$(INC_DIR) -I$(LUFA_PATH)/ |
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CFLAGS = -std=gnu99 -mmcu=$(MCU) -DF_CPU=$(F_CPU)UL $(CDEFS) |
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CFLAGS += -funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums |
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CFLAGS += -Wall -Wno-main -Wno-strict-prototypes -Wno-comment |
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CFLAGS += -g2 -Wextra -Wfatal-errors -Wno-unused-but-set-variable |
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CFLAGS += -ffunction-sections -fdata-sections -Os $(LUFA_OPTS) |
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LFLAGS = -Wl,--gc-sections -Wl,--relax |
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# CFLAGS += -lm ## Math |
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# CFLAGS += -Wl,-u,vfprintf -lprintf_flt -lm ## for floating-point printf |
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# CFLAGS += -Wl,-u,vfprintf -lprintf_min ## for smaller printf |
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# --------------------------------------------------------------------------- |
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## Defined programs / locations |
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CC = avr-gcc |
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LD = avr-gcc |
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OBJCOPY = avr-objcopy |
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OBJDUMP = avr-objdump |
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AVRSIZE = avr-size |
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AVRDUDE = avrdude |
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#$(wildcard $(SRC_DIR)/*.c) |
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SOURCES=src/main.c src/Descriptors.c $(LUFA_SRC_ALL_FILES) |
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OBJECTS=$(SOURCES:$(SRC_DIR)/%.c=$(OBJ_DIR)/%.o) |
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DEPENDS=$(OBJ_DIR)/.depends |
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TARGET=$(BIN_DIR)/$(APP) |
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.PHONY: all clean eeprom size |
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|
all: $(TARGET).hex size |
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debug: |
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|
@echo "SOURCES $(SOURCES)" |
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@echo "OBJECTS $(OBJECTS)" |
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@echo "TARGET $(TARGET)" |
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eeprom: $(TARGET).eeprom |
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|
size: $(TARGET).elf |
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|
$(AVRSIZE) -C --mcu=$(MCU) $< |
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|
$(TARGET).elf: $(OBJECTS) | $(BIN_DIR) |
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$(LD) $(CFLAGS) $(LFLGAS) -o $@ $^ |
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|
%.hex: %.elf |
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$(OBJCOPY) -R .eeprom -O ihex $< $@ |
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|
%.eeprom: %.elf |
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$(OBJCOPY) -j .eeprom --change-section-lma .eeprom=0 -O ihex $< $@ |
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|
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$(OBJ_DIR)/%.o: $(SRC_DIR)/%.c | $(OBJ_DIR) |
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$(CC) -c $(CFLAGS) $(INCFLAGS) -o $@ $< |
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$(DEPENDS): $(SOURCES) | $(OBJ_DIR) |
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$(CC) $(INCFLAGS) -MM $(SOURCES) | sed -e 's!^!$(OBJ_DIR)/!' >$@ |
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$(BIN_DIR): |
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|
mkdir -p $@ |
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|
$(OBJ_DIR): |
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|
mkdir -p $@ |
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clean: |
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|
rm -rf $(BIN_DIR) $(OBJ_DIR) |
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## === avrdude === |
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|
flash: $(TARGET).hex |
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stty -F /dev/ttyACM0 speed 1200 |
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stty -F /dev/ttyACM0 speed 115200 |
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$(AVRDUDE) -c $(PROGRAMMER_TYPE) -p $(MCU) $(PROGRAMMER_ARGS) -U flash:w:$< |
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|
|
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|
flashe: $(TARGET).eeprom |
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|
$(AVRDUDE) -c $(PROGRAMMER_TYPE) -p $(MCU) $(PROGRAMMER_ARGS) -U eeprom:w:$< |
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|
|
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|
shell: |
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|
$(AVRDUDE) -c $(PROGRAMMER_TYPE) -p $(MCU) $(PROGRAMMER_ARGS) -nt |
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@ -0,0 +1,251 @@ |
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/*
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|
LUFA Library |
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Copyright (C) Dean Camera, 2011. |
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|
|
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|
dean [at] fourwalledcubicle [dot] com |
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|
www.lufa-lib.org |
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|
*/ |
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|
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|
/*
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|
Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com) |
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|
|
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|
Permission to use, copy, modify, distribute, and sell this |
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|
software and its documentation for any purpose is hereby granted |
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|
without fee, provided that the above copyright notice appear in |
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|
all copies and that both that the copyright notice and this |
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|
permission notice and warranty disclaimer appear in supporting |
||||||
|
documentation, and that the name of the author not be used in |
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|
advertising or publicity pertaining to distribution of the |
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|
software without specific, written prior permission. |
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|
|
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|
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. |
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|
*/ |
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|
|
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|
/** \file
|
||||||
|
* |
||||||
|
* USB Device Descriptors, for library use when in USB device mode. Descriptors are special |
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|
* computer-readable structures which the host requests upon device enumeration, to determine |
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|
* the device's capabilities and functions. |
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|
*/ |
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|
|
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|
#include "Descriptors.h" |
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|
|
||||||
|
/** Device descriptor structure. This descriptor, located in SRAM memory, describes the overall
|
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|
* 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 |
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|
* process begins. |
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|
*/ |
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|
const USB_Descriptor_Device_t DeviceDescriptor = |
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|
{ |
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|
.Header = {.Size = sizeof(USB_Descriptor_Device_t), .Type = DTYPE_Device}, |
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|
|
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|
.USBSpecification = VERSION_BCD(1,1,0), |
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|
.Class = CDC_CSCP_CDCClass, |
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|
.SubClass = CDC_CSCP_NoSpecificSubclass, |
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|
.Protocol = CDC_CSCP_NoSpecificProtocol, |
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|
|
||||||
|
.Endpoint0Size = FIXED_CONTROL_ENDPOINT_SIZE, |
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|
|
||||||
|
.VendorID = DEVICE_VID, |
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|
.ProductID = DEVICE_PID, |
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|
.ReleaseNumber = VERSION_BCD(0,0,1), |
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|
|
||||||
|
.ManufacturerStrIndex = 0x02, |
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|
.ProductStrIndex = 0x01, |
||||||
|
.SerialNumStrIndex = NO_DESCRIPTOR, |
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|
|
||||||
|
.NumberOfConfigurations = FIXED_NUM_CONFIGURATIONS |
||||||
|
}; |
||||||
|
|
||||||
|
/** Configuration descriptor structure. This descriptor, located in SRAM memory, describes the usage
|
||||||
|
* of the device in one of its supported configurations, including information about any device interfaces |
||||||
|
* and endpoints. The descriptor is read out by the USB host during the enumeration process when selecting |
||||||
|
* a configuration so that the host may correctly communicate with the USB device. |
||||||
|
*/ |
||||||
|
const USB_Descriptor_Configuration_t ConfigurationDescriptor = |
||||||
|
{ |
||||||
|
.Config = |
||||||
|
{ |
||||||
|
.Header = {.Size = sizeof(USB_Descriptor_Configuration_Header_t), .Type = DTYPE_Configuration}, |
||||||
|
|
||||||
|
.TotalConfigurationSize = sizeof(USB_Descriptor_Configuration_t), |
||||||
|
.TotalInterfaces = 2, |
||||||
|
|
||||||
|
.ConfigurationNumber = 1, |
||||||
|
.ConfigurationStrIndex = NO_DESCRIPTOR, |
||||||
|
|
||||||
|
.ConfigAttributes = 0, // USB_CONFIG_ATTR_BUSPOWERED
|
||||||
|
|
||||||
|
.MaxPowerConsumption = USB_CONFIG_POWER_MA(100) |
||||||
|
}, |
||||||
|
|
||||||
|
.CDC_CCI_Interface = |
||||||
|
{ |
||||||
|
.Header = {.Size = sizeof(USB_Descriptor_Interface_t), .Type = DTYPE_Interface}, |
||||||
|
|
||||||
|
.InterfaceNumber = 0, |
||||||
|
.AlternateSetting = 0, |
||||||
|
|
||||||
|
.TotalEndpoints = 1, |
||||||
|
|
||||||
|
.Class = CDC_CSCP_CDCClass, |
||||||
|
.SubClass = CDC_CSCP_ACMSubclass, |
||||||
|
.Protocol = CDC_CSCP_ATCommandProtocol, |
||||||
|
|
||||||
|
.InterfaceStrIndex = NO_DESCRIPTOR |
||||||
|
}, |
||||||
|
|
||||||
|
.CDC_Functional_Header = |
||||||
|
{ |
||||||
|
.Header = {.Size = sizeof(USB_CDC_Descriptor_FunctionalHeader_t), .Type = CDC_DTYPE_CSInterface}, |
||||||
|
.Subtype = 0x00, |
||||||
|
|
||||||
|
.CDCSpecification = VERSION_BCD(1,1,0), |
||||||
|
}, |
||||||
|
|
||||||
|
.CDC_Functional_ACM = |
||||||
|
{ |
||||||
|
.Header = {.Size = sizeof(USB_CDC_Descriptor_FunctionalACM_t), .Type = CDC_DTYPE_CSInterface}, |
||||||
|
.Subtype = 0x02, |
||||||
|
|
||||||
|
.Capabilities = 0x04, |
||||||
|
}, |
||||||
|
|
||||||
|
.CDC_Functional_Union = |
||||||
|
{ |
||||||
|
.Header = {.Size = sizeof(USB_CDC_Descriptor_FunctionalUnion_t), .Type = CDC_DTYPE_CSInterface}, |
||||||
|
.Subtype = 0x06, |
||||||
|
|
||||||
|
.MasterInterfaceNumber = 0, |
||||||
|
.SlaveInterfaceNumber = 1, |
||||||
|
}, |
||||||
|
|
||||||
|
.CDC_NotificationEndpoint = |
||||||
|
{ |
||||||
|
.Header = {.Size = sizeof(USB_Descriptor_Endpoint_t), .Type = DTYPE_Endpoint}, |
||||||
|
|
||||||
|
.EndpointAddress = (ENDPOINT_DIR_IN | CDC_NOTIFICATION_EPNUM), |
||||||
|
.Attributes = (EP_TYPE_INTERRUPT | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA), |
||||||
|
.EndpointSize = CDC_NOTIFICATION_EPSIZE, |
||||||
|
.PollingIntervalMS = 0xFF |
||||||
|
}, |
||||||
|
|
||||||
|
.CDC_DCI_Interface = |
||||||
|
{ |
||||||
|
.Header = {.Size = sizeof(USB_Descriptor_Interface_t), .Type = DTYPE_Interface}, |
||||||
|
|
||||||
|
.InterfaceNumber = 1, |
||||||
|
.AlternateSetting = 0, |
||||||
|
|
||||||
|
.TotalEndpoints = 2, |
||||||
|
|
||||||
|
.Class = CDC_CSCP_CDCDataClass, |
||||||
|
.SubClass = CDC_CSCP_NoDataSubclass, |
||||||
|
.Protocol = CDC_CSCP_NoDataProtocol, |
||||||
|
|
||||||
|
.InterfaceStrIndex = NO_DESCRIPTOR |
||||||
|
}, |
||||||
|
|
||||||
|
.CDC_DataOutEndpoint = |
||||||
|
{ |
||||||
|
.Header = {.Size = sizeof(USB_Descriptor_Endpoint_t), .Type = DTYPE_Endpoint}, |
||||||
|
|
||||||
|
.EndpointAddress = (ENDPOINT_DIR_OUT | CDC_RX_EPNUM), |
||||||
|
.Attributes = (EP_TYPE_BULK | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA), |
||||||
|
.EndpointSize = CDC_TXRX_EPSIZE, |
||||||
|
.PollingIntervalMS = 0x01 |
||||||
|
}, |
||||||
|
|
||||||
|
.CDC_DataInEndpoint = |
||||||
|
{ |
||||||
|
.Header = {.Size = sizeof(USB_Descriptor_Endpoint_t), .Type = DTYPE_Endpoint}, |
||||||
|
|
||||||
|
.EndpointAddress = (ENDPOINT_DIR_IN | CDC_TX_EPNUM), |
||||||
|
.Attributes = (EP_TYPE_BULK | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA), |
||||||
|
.EndpointSize = CDC_TXRX_EPSIZE, |
||||||
|
.PollingIntervalMS = 0x01 |
||||||
|
} |
||||||
|
}; |
||||||
|
|
||||||
|
/** Language descriptor structure. This descriptor, located in SRAM memory, is returned when the host requests
|
||||||
|
* the string descriptor with index 0 (the first index). It is actually an array of 16-bit integers, which indicate |
||||||
|
* via the language ID table available at USB.org what languages the device supports for its string descriptors. |
||||||
|
*/ |
||||||
|
const USB_Descriptor_String_t LanguageString = |
||||||
|
{ |
||||||
|
.Header = {.Size = USB_STRING_LEN(1), .Type = DTYPE_String}, |
||||||
|
|
||||||
|
.UnicodeString = {LANGUAGE_ID_ENG} |
||||||
|
}; |
||||||
|
|
||||||
|
/** Product descriptor string. This is a Unicode string containing the product's details in human readable form,
|
||||||
|
* and is read out upon request by the host when the appropriate string ID is requested, listed in the Device |
||||||
|
* Descriptor. |
||||||
|
*/ |
||||||
|
const USB_Descriptor_String_t ProductString = |
||||||
|
{ |
||||||
|
.Header = {.Size = USB_STRING_LEN(5), .Type = DTYPE_String}, |
||||||
|
.UnicodeString = L"Relay" |
||||||
|
}; |
||||||
|
|
||||||
|
const USB_Descriptor_String_t ManufNameString = |
||||||
|
{ |
||||||
|
.Header = {.Size = USB_STRING_LEN(10), .Type = DTYPE_String}, |
||||||
|
.UnicodeString = L"MightyPork" |
||||||
|
}; |
||||||
|
|
||||||
|
/** This function is called by the library when in device mode, and must be overridden (see LUFA library "USB Descriptors"
|
||||||
|
* documentation) by the application code so that the address and size of a requested descriptor can be given |
||||||
|
* to the USB library. When the device receives a Get Descriptor request on the control endpoint, this function |
||||||
|
* is called so that the descriptor details can be passed back and the appropriate descriptor sent back to the |
||||||
|
* USB host. |
||||||
|
*/ |
||||||
|
uint16_t CALLBACK_USB_GetDescriptor(const uint16_t wValue, |
||||||
|
const uint16_t wIndex, |
||||||
|
const void** const DescriptorAddress) |
||||||
|
{ |
||||||
|
const uint8_t DescriptorType = (wValue >> 8); |
||||||
|
const uint8_t DescriptorNumber = (wValue & 0xFF); |
||||||
|
|
||||||
|
const void* Address = NULL; |
||||||
|
uint16_t Size = NO_DESCRIPTOR; |
||||||
|
|
||||||
|
switch (DescriptorType) |
||||||
|
{ |
||||||
|
case DTYPE_Device: |
||||||
|
Address = &DeviceDescriptor; |
||||||
|
Size = sizeof(USB_Descriptor_Device_t); |
||||||
|
break; |
||||||
|
case DTYPE_Configuration: |
||||||
|
Address = &ConfigurationDescriptor; |
||||||
|
Size = sizeof(USB_Descriptor_Configuration_t); |
||||||
|
break; |
||||||
|
case DTYPE_String: |
||||||
|
if (!(DescriptorNumber)) |
||||||
|
{ |
||||||
|
Address = &LanguageString; |
||||||
|
Size = LanguageString.Header.Size; |
||||||
|
} |
||||||
|
else if (DescriptorNumber == DeviceDescriptor.ProductStrIndex) |
||||||
|
{ |
||||||
|
Address = &ProductString; |
||||||
|
Size = ProductString.Header.Size; |
||||||
|
} else if (DescriptorNumber == DeviceDescriptor.ManufacturerStrIndex) |
||||||
|
{ |
||||||
|
Address = &ManufNameString; |
||||||
|
Size = ManufNameString.Header.Size; |
||||||
|
} |
||||||
|
|
||||||
|
break; |
||||||
|
} |
||||||
|
|
||||||
|
*DescriptorAddress = Address; |
||||||
|
return Size; |
||||||
|
} |
||||||
@ -0,0 +1,138 @@ |
|||||||
|
/*
|
||||||
|
LUFA Library |
||||||
|
Copyright (C) Dean Camera, 2011. |
||||||
|
|
||||||
|
dean [at] fourwalledcubicle [dot] com |
||||||
|
www.lufa-lib.org |
||||||
|
*/ |
||||||
|
|
||||||
|
/*
|
||||||
|
Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com) |
||||||
|
|
||||||
|
Permission to use, copy, modify, distribute, and sell this |
||||||
|
software and its documentation for any purpose is hereby granted |
||||||
|
without fee, provided that the above copyright notice appear in |
||||||
|
all copies and that both that the copyright notice and this |
||||||
|
permission notice and warranty disclaimer appear in supporting |
||||||
|
documentation, and that the name of the author not be used in |
||||||
|
advertising or publicity pertaining to distribution of the |
||||||
|
software without specific, written prior permission. |
||||||
|
|
||||||
|
The author disclaim all warranties with regard to this |
||||||
|
software, including all implied warranties of merchantability |
||||||
|
and fitness. In no event shall the author be liable for any |
||||||
|
special, indirect or consequential damages or any damages |
||||||
|
whatsoever resulting from loss of use, data or profits, whether |
||||||
|
in an action of contract, negligence or other tortious action, |
||||||
|
arising out of or in connection with the use or performance of |
||||||
|
this software. |
||||||
|
*/ |
||||||
|
|
||||||
|
/** \file
|
||||||
|
* |
||||||
|
* Header file for Descriptors.c. |
||||||
|
*/ |
||||||
|
|
||||||
|
#ifndef _DESCRIPTORS_H_ |
||||||
|
#define _DESCRIPTORS_H_ |
||||||
|
|
||||||
|
/* Includes: */ |
||||||
|
#include <LUFA/Drivers/USB/USB.h> |
||||||
|
|
||||||
|
/* Macros: */ |
||||||
|
#if defined(__AVR_AT90USB1287__) |
||||||
|
#define AVR_SIGNATURE_1 0x1E |
||||||
|
#define AVR_SIGNATURE_2 0x97 |
||||||
|
#define AVR_SIGNATURE_3 0x82 |
||||||
|
#elif defined(__AVR_AT90USB647__) |
||||||
|
#define AVR_SIGNATURE_1 0x1E |
||||||
|
#define AVR_SIGNATURE_2 0x96 |
||||||
|
#define AVR_SIGNATURE_3 0x82 |
||||||
|
#elif defined(__AVR_AT90USB1286__) |
||||||
|
#define AVR_SIGNATURE_1 0x1E |
||||||
|
#define AVR_SIGNATURE_2 0x97 |
||||||
|
#define AVR_SIGNATURE_3 0x82 |
||||||
|
#elif defined(__AVR_AT90USB646__) |
||||||
|
#define AVR_SIGNATURE_1 0x1E |
||||||
|
#define AVR_SIGNATURE_2 0x96 |
||||||
|
#define AVR_SIGNATURE_3 0x82 |
||||||
|
#elif defined(__AVR_ATmega32U6__) |
||||||
|
#define AVR_SIGNATURE_1 0x1E |
||||||
|
#define AVR_SIGNATURE_2 0x95 |
||||||
|
#define AVR_SIGNATURE_3 0x88 |
||||||
|
#elif defined(__AVR_ATmega32U4__) |
||||||
|
#define AVR_SIGNATURE_1 0x1E |
||||||
|
#define AVR_SIGNATURE_2 0x95 |
||||||
|
#define AVR_SIGNATURE_3 0x87 |
||||||
|
#elif defined(__AVR_ATmega16U4__) |
||||||
|
#define AVR_SIGNATURE_1 0x1E |
||||||
|
#define AVR_SIGNATURE_2 0x94 |
||||||
|
#define AVR_SIGNATURE_3 0x88 |
||||||
|
#elif defined(__AVR_ATmega32U2__) |
||||||
|
#define AVR_SIGNATURE_1 0x1E |
||||||
|
#define AVR_SIGNATURE_2 0x95 |
||||||
|
#define AVR_SIGNATURE_3 0x8A |
||||||
|
#elif defined(__AVR_ATmega16U2__) |
||||||
|
#define AVR_SIGNATURE_1 0x1E |
||||||
|
#define AVR_SIGNATURE_2 0x94 |
||||||
|
#define AVR_SIGNATURE_3 0x89 |
||||||
|
#elif defined(__AVR_AT90USB162__) |
||||||
|
#define AVR_SIGNATURE_1 0x1E |
||||||
|
#define AVR_SIGNATURE_2 0x94 |
||||||
|
#define AVR_SIGNATURE_3 0x82 |
||||||
|
#elif defined(__AVR_ATmega8U2__) |
||||||
|
#define AVR_SIGNATURE_1 0x1E |
||||||
|
#define AVR_SIGNATURE_2 0x93 |
||||||
|
#define AVR_SIGNATURE_3 0x89 |
||||||
|
#elif defined(__AVR_AT90USB82__) |
||||||
|
#define AVR_SIGNATURE_1 0x1E |
||||||
|
#define AVR_SIGNATURE_2 0x94 |
||||||
|
#define AVR_SIGNATURE_3 0x82 |
||||||
|
#else |
||||||
|
#error The selected AVR part is not currently supported by this bootloader. |
||||||
|
#endif |
||||||
|
|
||||||
|
/** Endpoint number for the CDC control interface event notification endpoint. */ |
||||||
|
#define CDC_NOTIFICATION_EPNUM 2 |
||||||
|
|
||||||
|
/** Endpoint number for the CDC data interface TX (data IN) endpoint. */ |
||||||
|
#define CDC_TX_EPNUM 3 |
||||||
|
|
||||||
|
/** Endpoint number for the CDC data interface RX (data OUT) endpoint. */ |
||||||
|
#define CDC_RX_EPNUM 4 |
||||||
|
|
||||||
|
/** Size of the CDC data interface TX and RX data endpoint banks, in bytes. */ |
||||||
|
#define CDC_TXRX_EPSIZE 16 |
||||||
|
|
||||||
|
/** Size of the CDC control interface notification endpoint bank, in bytes. */ |
||||||
|
#define CDC_NOTIFICATION_EPSIZE 8 |
||||||
|
|
||||||
|
/* Type Defines: */ |
||||||
|
/** Type define for the device configuration descriptor structure. This must be defined in the
|
||||||
|
* application code, as the configuration descriptor contains several sub-descriptors which |
||||||
|
* vary between devices, and which describe the device's usage to the host. |
||||||
|
*/ |
||||||
|
typedef struct |
||||||
|
{ |
||||||
|
USB_Descriptor_Configuration_Header_t Config; |
||||||
|
|
||||||
|
// CDC Control Interface
|
||||||
|
USB_Descriptor_Interface_t CDC_CCI_Interface; |
||||||
|
USB_CDC_Descriptor_FunctionalHeader_t CDC_Functional_Header; |
||||||
|
USB_CDC_Descriptor_FunctionalACM_t CDC_Functional_ACM; |
||||||
|
USB_CDC_Descriptor_FunctionalUnion_t CDC_Functional_Union; |
||||||
|
USB_Descriptor_Endpoint_t CDC_NotificationEndpoint; |
||||||
|
|
||||||
|
// CDC Data Interface
|
||||||
|
USB_Descriptor_Interface_t CDC_DCI_Interface; |
||||||
|
USB_Descriptor_Endpoint_t CDC_DataOutEndpoint; |
||||||
|
USB_Descriptor_Endpoint_t CDC_DataInEndpoint; |
||||||
|
} USB_Descriptor_Configuration_t; |
||||||
|
|
||||||
|
/* Function Prototypes: */ |
||||||
|
uint16_t CALLBACK_USB_GetDescriptor(const uint16_t wValue, |
||||||
|
const uint16_t wIndex, |
||||||
|
const void** const DescriptorAddress) |
||||||
|
ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(3); |
||||||
|
|
||||||
|
#endif |
||||||
@ -0,0 +1,166 @@ |
|||||||
|
/*
|
||||||
|
LUFA Library |
||||||
|
Copyright (C) Dean Camera, 2021. |
||||||
|
|
||||||
|
dean [at] fourwalledcubicle [dot] com |
||||||
|
www.lufa-lib.org |
||||||
|
*/ |
||||||
|
|
||||||
|
/*
|
||||||
|
Copyright 2021 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 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, 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
|
||||||
|
* \brief LUFA Library Configuration Header File (Template) |
||||||
|
* |
||||||
|
* This is a header file which can be used to configure LUFA's |
||||||
|
* compile time options, as an alternative to the compile time |
||||||
|
* constants supplied through a makefile. To use this configuration |
||||||
|
* header, copy this into your project's root directory and supply |
||||||
|
* the \c USE_LUFA_CONFIG_HEADER token to the compiler so that it is |
||||||
|
* defined in all compiled source files. |
||||||
|
* |
||||||
|
* For information on what each token does, refer to the LUFA |
||||||
|
* manual section "Summary of Compile Tokens". |
||||||
|
*/ |
||||||
|
|
||||||
|
#ifndef __LUFA_CONFIG_H__ |
||||||
|
#define __LUFA_CONFIG_H__ |
||||||
|
|
||||||
|
#if (ARCH == ARCH_AVR8) |
||||||
|
|
||||||
|
/* Non-USB Related Configuration Tokens: */ |
||||||
|
// #define DISABLE_TERMINAL_CODES
|
||||||
|
|
||||||
|
/* USB Class Driver Related Tokens: */ |
||||||
|
// #define HID_HOST_BOOT_PROTOCOL_ONLY
|
||||||
|
// #define HID_STATETABLE_STACK_DEPTH {Insert Value Here}
|
||||||
|
// #define HID_USAGE_STACK_DEPTH {Insert Value Here}
|
||||||
|
// #define HID_MAX_COLLECTIONS {Insert Value Here}
|
||||||
|
// #define HID_MAX_REPORTITEMS {Insert Value Here}
|
||||||
|
// #define HID_MAX_REPORT_IDS {Insert Value Here}
|
||||||
|
// #define NO_CLASS_DRIVER_AUTOFLUSH
|
||||||
|
|
||||||
|
/* General USB Driver Related Tokens: */ |
||||||
|
#define ORDERED_EP_CONFIG |
||||||
|
#define USE_STATIC_OPTIONS (USB_DEVICE_OPT_FULLSPEED | USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL) |
||||||
|
#define USB_DEVICE_ONLY |
||||||
|
// #define USB_HOST_ONLY
|
||||||
|
// #define USB_STREAM_TIMEOUT_MS {Insert Value Here}
|
||||||
|
// #define NO_LIMITED_CONTROLLER_CONNECT
|
||||||
|
#define NO_SOF_EVENTS |
||||||
|
|
||||||
|
/* USB Device Mode Driver Related Tokens: */ |
||||||
|
#define USE_RAM_DESCRIPTORS |
||||||
|
// #define USE_FLASH_DESCRIPTORS
|
||||||
|
// #define USE_EEPROM_DESCRIPTORS
|
||||||
|
// #define NO_INTERNAL_SERIAL
|
||||||
|
#define FIXED_CONTROL_ENDPOINT_SIZE 8 |
||||||
|
#define DEVICE_STATE_AS_GPIOR 0 |
||||||
|
#define FIXED_NUM_CONFIGURATIONS 1 |
||||||
|
// #define CONTROL_ONLY_DEVICE
|
||||||
|
// #define INTERRUPT_CONTROL_ENDPOINT
|
||||||
|
#define NO_DEVICE_REMOTE_WAKEUP |
||||||
|
#define NO_DEVICE_SELF_POWER |
||||||
|
|
||||||
|
/* USB Host Mode Driver Related Tokens: */ |
||||||
|
// #define HOST_STATE_AS_GPIOR {Insert Value Here}
|
||||||
|
// #define USB_HOST_TIMEOUT_MS {Insert Value Here}
|
||||||
|
// #define HOST_DEVICE_SETTLE_DELAY_MS {Insert Value Here}
|
||||||
|
// #define NO_AUTO_VBUS_MANAGEMENT
|
||||||
|
// #define INVERTED_VBUS_ENABLE_LINE
|
||||||
|
|
||||||
|
#elif (ARCH == ARCH_XMEGA) |
||||||
|
|
||||||
|
/* Non-USB Related Configuration Tokens: */ |
||||||
|
// #define DISABLE_TERMINAL_CODES
|
||||||
|
|
||||||
|
/* USB Class Driver Related Tokens: */ |
||||||
|
// #define HID_HOST_BOOT_PROTOCOL_ONLY
|
||||||
|
// #define HID_STATETABLE_STACK_DEPTH {Insert Value Here}
|
||||||
|
// #define HID_USAGE_STACK_DEPTH {Insert Value Here}
|
||||||
|
// #define HID_MAX_COLLECTIONS {Insert Value Here}
|
||||||
|
// #define HID_MAX_REPORTITEMS {Insert Value Here}
|
||||||
|
// #define HID_MAX_REPORT_IDS {Insert Value Here}
|
||||||
|
// #define NO_CLASS_DRIVER_AUTOFLUSH
|
||||||
|
|
||||||
|
/* General USB Driver Related Tokens: */ |
||||||
|
// #define USE_STATIC_OPTIONS {Insert Value Here}
|
||||||
|
// #define USB_STREAM_TIMEOUT_MS {Insert Value Here}
|
||||||
|
// #define NO_LIMITED_CONTROLLER_CONNECT
|
||||||
|
// #define NO_SOF_EVENTS
|
||||||
|
|
||||||
|
/* USB Device Mode Driver Related Tokens: */ |
||||||
|
// #define USE_RAM_DESCRIPTORS
|
||||||
|
// #define USE_FLASH_DESCRIPTORS
|
||||||
|
// #define USE_EEPROM_DESCRIPTORS
|
||||||
|
// #define NO_INTERNAL_SERIAL
|
||||||
|
// #define FIXED_CONTROL_ENDPOINT_SIZE {Insert Value Here}
|
||||||
|
// #define DEVICE_STATE_AS_GPIOR {Insert Value Here}
|
||||||
|
// #define FIXED_NUM_CONFIGURATIONS {Insert Value Here}
|
||||||
|
// #define CONTROL_ONLY_DEVICE
|
||||||
|
// #define MAX_ENDPOINT_INDEX {Insert Value Here}
|
||||||
|
// #define NO_DEVICE_REMOTE_WAKEUP
|
||||||
|
// #define NO_DEVICE_SELF_POWER
|
||||||
|
|
||||||
|
#elif (ARCH == ARCH_UC3) |
||||||
|
|
||||||
|
/* Non-USB Related Configuration Tokens: */ |
||||||
|
// #define DISABLE_TERMINAL_CODES
|
||||||
|
|
||||||
|
/* USB Class Driver Related Tokens: */ |
||||||
|
// #define HID_HOST_BOOT_PROTOCOL_ONLY
|
||||||
|
// #define HID_STATETABLE_STACK_DEPTH {Insert Value Here}
|
||||||
|
// #define HID_USAGE_STACK_DEPTH {Insert Value Here}
|
||||||
|
// #define HID_MAX_COLLECTIONS {Insert Value Here}
|
||||||
|
// #define HID_MAX_REPORTITEMS {Insert Value Here}
|
||||||
|
// #define HID_MAX_REPORT_IDS {Insert Value Here}
|
||||||
|
// #define NO_CLASS_DRIVER_AUTOFLUSH
|
||||||
|
|
||||||
|
/* General USB Driver Related Tokens: */ |
||||||
|
// #define ORDERED_EP_CONFIG
|
||||||
|
// #define USE_STATIC_OPTIONS {Insert Value Here}
|
||||||
|
// #define USB_DEVICE_ONLY
|
||||||
|
// #define USB_HOST_ONLY
|
||||||
|
// #define USB_STREAM_TIMEOUT_MS {Insert Value Here}
|
||||||
|
// #define NO_SOF_EVENTS
|
||||||
|
|
||||||
|
/* USB Device Mode Driver Related Tokens: */ |
||||||
|
// #define NO_INTERNAL_SERIAL
|
||||||
|
// #define FIXED_CONTROL_ENDPOINT_SIZE {Insert Value Here}
|
||||||
|
// #define FIXED_NUM_CONFIGURATIONS {Insert Value Here}
|
||||||
|
// #define CONTROL_ONLY_DEVICE
|
||||||
|
// #define INTERRUPT_CONTROL_ENDPOINT
|
||||||
|
// #define NO_DEVICE_REMOTE_WAKEUP
|
||||||
|
// #define NO_DEVICE_SELF_POWER
|
||||||
|
|
||||||
|
/* USB Host Mode Driver Related Tokens: */ |
||||||
|
// #define USB_HOST_TIMEOUT_MS {Insert Value Here}
|
||||||
|
// #define HOST_DEVICE_SETTLE_DELAY_MS {Insert Value Here}
|
||||||
|
// #define NO_AUTO_VBUS_MANAGEMENT
|
||||||
|
// #define INVERTED_VBUS_ENABLE_LINE
|
||||||
|
|
||||||
|
#else |
||||||
|
|
||||||
|
#error Unsupported architecture for this LUFA configuration file. |
||||||
|
|
||||||
|
#endif |
||||||
|
#endif |
||||||
@ -0,0 +1,242 @@ |
|||||||
|
#include <util/delay.h> |
||||||
|
#include <avr/io.h> |
||||||
|
|
||||||
|
|
||||||
|
#include <LUFA/Drivers/USB/USB.h> |
||||||
|
|
||||||
|
|
||||||
|
#include "Descriptors.h" |
||||||
|
|
||||||
|
#define LED_SETUP() DDRB |= (1<<0); DDRD |= (1<<5); |
||||||
|
#define L_LED_OFF() PORTD |= (1<<5) |
||||||
|
#define L_LED_ON() PORTD &= ~(1<<5) |
||||||
|
#define L_LED_TOGGLE() PORTD ^= (1<<5) |
||||||
|
#define DATA_LED_OFF() PORTB |= (1<<0) |
||||||
|
#define DATA_LED_ON() PORTB &= ~(1<<0) |
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
/** Endpoint address for the CDC control interface event notification endpoint. */ |
||||||
|
#define CDC_NOTIFICATION_EPADDR (ENDPOINT_DIR_IN | CDC_NOTIFICATION_EPNUM) |
||||||
|
|
||||||
|
/** Endpoint address for the CDC data interface TX (data IN) endpoint. */ |
||||||
|
#define CDC_TX_EPADDR (ENDPOINT_DIR_IN | CDC_TX_EPNUM) |
||||||
|
|
||||||
|
/** Endpoint address for the CDC data interface RX (data OUT) endpoint. */ |
||||||
|
#define CDC_RX_EPADDR (ENDPOINT_DIR_OUT | CDC_RX_EPNUM) |
||||||
|
|
||||||
|
|
||||||
|
/** Retrieves the next byte from the host in the CDC data OUT endpoint, and clears the endpoint bank if needed
|
||||||
|
* to allow reception of the next data packet from the host. |
||||||
|
* |
||||||
|
* \return Next received byte from the host in the CDC data OUT endpoint |
||||||
|
*/ |
||||||
|
static uint8_t FetchNextCommandByte(void) |
||||||
|
{ |
||||||
|
/* Select the OUT endpoint so that the next data byte can be read */ |
||||||
|
Endpoint_SelectEndpoint(CDC_RX_EPADDR); |
||||||
|
|
||||||
|
/* If OUT endpoint empty, clear it and wait for the next packet from the host */ |
||||||
|
while (!(Endpoint_IsReadWriteAllowed())) |
||||||
|
{ |
||||||
|
Endpoint_ClearOUT(); |
||||||
|
|
||||||
|
while (!(Endpoint_IsOUTReceived())) |
||||||
|
{ |
||||||
|
if (USB_DeviceState == DEVICE_STATE_Unattached) |
||||||
|
return 0; |
||||||
|
} |
||||||
|
} |
||||||
|
|
||||||
|
/* Fetch the next byte from the OUT endpoint */ |
||||||
|
return Endpoint_Read_8(); |
||||||
|
} |
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
/** Writes the next response byte to the CDC data IN endpoint, and sends the endpoint back if needed to free up the
|
||||||
|
* bank when full ready for the next byte in the packet to the host. |
||||||
|
* |
||||||
|
* \param[in] Response Next response byte to send to the host |
||||||
|
*/ |
||||||
|
static void WriteNextResponseByte(const uint8_t Response) |
||||||
|
{ |
||||||
|
/* Select the IN endpoint so that the next data byte can be written */ |
||||||
|
Endpoint_SelectEndpoint(CDC_TX_EPADDR); |
||||||
|
|
||||||
|
/* If IN endpoint full, clear it and wait until ready for the next packet to the host */ |
||||||
|
if (!(Endpoint_IsReadWriteAllowed())) |
||||||
|
{ |
||||||
|
Endpoint_ClearIN(); |
||||||
|
|
||||||
|
while (!(Endpoint_IsINReady())) |
||||||
|
{ |
||||||
|
if (USB_DeviceState == DEVICE_STATE_Unattached) |
||||||
|
return; |
||||||
|
} |
||||||
|
} |
||||||
|
|
||||||
|
/* Write the next byte to the IN endpoint */ |
||||||
|
Endpoint_Write_8(Response); |
||||||
|
} |
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
void CDC_Task(void); |
||||||
|
|
||||||
|
/* Pulse generation counters to keep track of the time remaining for each pulse type */ |
||||||
|
#define DATA_LED_PULSE_PERIOD 100 |
||||||
|
uint16_t DataLEDPulse = 0; // time remaining for Data LED pulse
|
||||||
|
|
||||||
|
uint16_t LLEDPulse; |
||||||
|
void LEDPulse(void) |
||||||
|
{ |
||||||
|
LLEDPulse++; |
||||||
|
uint8_t p = LLEDPulse >> 8; |
||||||
|
if (p > 127) |
||||||
|
p = 254-p; |
||||||
|
p += p; |
||||||
|
if (((uint8_t)LLEDPulse) > p) |
||||||
|
L_LED_OFF(); |
||||||
|
else |
||||||
|
L_LED_ON(); |
||||||
|
} |
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
void main () { |
||||||
|
LED_SETUP(); |
||||||
|
|
||||||
|
/* Initialize USB Subsystem */ |
||||||
|
USB_Init(); |
||||||
|
|
||||||
|
/* Enable global interrupts so that the USB stack can function */ |
||||||
|
sei(); |
||||||
|
|
||||||
|
for(;;) { |
||||||
|
CDC_Task(); |
||||||
|
USB_USBTask(); |
||||||
|
LEDPulse(); |
||||||
|
} |
||||||
|
} |
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
/*
|
||||||
|
* some parts of this code are from LUFA. |
||||||
|
* |
||||||
|
* |
||||||
|
Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com) |
||||||
|
Permission to use, copy, modify, distribute, and sell this |
||||||
|
software and its documentation for any purpose is hereby granted |
||||||
|
without fee, provided that the above copyright notice appear in |
||||||
|
all copies and that both that the copyright notice and this |
||||||
|
permission notice and warranty disclaimer appear in supporting |
||||||
|
documentation, and that the name of the author not be used in |
||||||
|
advertising or publicity pertaining to distribution of the |
||||||
|
software without specific, written prior permission. |
||||||
|
The author disclaim all warranties with regard to this |
||||||
|
software, including all implied warranties of merchantability |
||||||
|
and fitness. In no event shall the author be liable for any |
||||||
|
special, indirect or consequential damages or any damages |
||||||
|
whatsoever resulting from loss of use, data or profits, whether |
||||||
|
in an action of contract, negligence or other tortious action, |
||||||
|
arising out of or in connection with the use or performance of |
||||||
|
this software. |
||||||
|
*/ |
||||||
|
|
||||||
|
// /*
|
||||||
|
//
|
||||||
|
// /** Retrieves the next byte from the host in the CDC data OUT endpoint, and clears the endpoint bank if needed
|
||||||
|
// * to allow reception of the next data packet from the host.
|
||||||
|
// *
|
||||||
|
// * \return Next received byte from the host in the CDC data OUT endpoint
|
||||||
|
// */
|
||||||
|
// static uint8_t FetchNextCommandByte(void)
|
||||||
|
// {
|
||||||
|
// /* Select the OUT endpoint so that the next data byte can be read */
|
||||||
|
// Endpoint_SelectEndpoint(CDC_RX_EPNUM);
|
||||||
|
//
|
||||||
|
// /* If OUT endpoint empty, clear it and wait for the next packet from the host */
|
||||||
|
// while (!(Endpoint_IsReadWriteAllowed()))
|
||||||
|
// {
|
||||||
|
// Endpoint_ClearOUT();
|
||||||
|
//
|
||||||
|
// while (!(Endpoint_IsOUTReceived()))
|
||||||
|
// {
|
||||||
|
// if (USB_DeviceState == DEVICE_STATE_Unattached)
|
||||||
|
// return 0;
|
||||||
|
// }
|
||||||
|
// }
|
||||||
|
//
|
||||||
|
// /* Fetch the next byte from the OUT endpoint */
|
||||||
|
// return Endpoint_Read_8();
|
||||||
|
// }
|
||||||
|
// */
|
||||||
|
|
||||||
|
|
||||||
|
/** Task to read in AVR910 commands from the CDC data OUT endpoint, process them, perform the required actions
|
||||||
|
* and send the appropriate response back to the host. |
||||||
|
*/ |
||||||
|
void CDC_Task(void) |
||||||
|
{ |
||||||
|
/* Select the OUT endpoint */ |
||||||
|
Endpoint_SelectEndpoint(CDC_RX_EPNUM); |
||||||
|
|
||||||
|
/* Check if endpoint has a command in it sent from the host */ |
||||||
|
if (!(Endpoint_IsOUTReceived())) |
||||||
|
return; |
||||||
|
|
||||||
|
DATA_LED_ON(); |
||||||
|
DataLEDPulse = DATA_LED_PULSE_PERIOD; |
||||||
|
|
||||||
|
/* Read in the bootloader command (first byte sent from host) */ |
||||||
|
uint8_t Command = FetchNextCommandByte(); |
||||||
|
|
||||||
|
// COMMAND PROCESSING
|
||||||
|
if (Command == 'a') |
||||||
|
{ |
||||||
|
WriteNextResponseByte('b'); |
||||||
|
WriteNextResponseByte('\r'); |
||||||
|
WriteNextResponseByte('\n'); |
||||||
|
} |
||||||
|
|
||||||
|
|
||||||
|
/* Select the IN endpoint */ |
||||||
|
Endpoint_SelectEndpoint(CDC_TX_EPNUM); |
||||||
|
|
||||||
|
/* Remember if the endpoint is completely full before clearing it */ |
||||||
|
bool IsEndpointFull = !(Endpoint_IsReadWriteAllowed()); |
||||||
|
|
||||||
|
/* Send the endpoint data to the host */ |
||||||
|
Endpoint_ClearIN(); |
||||||
|
|
||||||
|
/* If a full endpoint's worth of data was sent, we need to send an empty packet afterwards to signal end of transfer */ |
||||||
|
if (IsEndpointFull) |
||||||
|
{ |
||||||
|
while (!(Endpoint_IsINReady())) |
||||||
|
{ |
||||||
|
if (USB_DeviceState == DEVICE_STATE_Unattached) |
||||||
|
return; |
||||||
|
} |
||||||
|
|
||||||
|
Endpoint_ClearIN(); |
||||||
|
} |
||||||
|
|
||||||
|
/* Wait until the data has been sent to the host */ |
||||||
|
while (!(Endpoint_IsINReady())) |
||||||
|
{ |
||||||
|
if (USB_DeviceState == DEVICE_STATE_Unattached) |
||||||
|
return; |
||||||
|
} |
||||||
|
|
||||||
|
/* Select the OUT endpoint */ |
||||||
|
Endpoint_SelectEndpoint(CDC_RX_EPNUM); |
||||||
|
|
||||||
|
/* Acknowledge the command from the host */ |
||||||
|
Endpoint_ClearOUT(); |
||||||
|
} |
||||||
Loading…
Reference in new issue