diff options
Diffstat (limited to 'tmk_core/avr.mk')
| -rw-r--r-- | tmk_core/avr.mk | 185 |
1 files changed, 185 insertions, 0 deletions
diff --git a/tmk_core/avr.mk b/tmk_core/avr.mk new file mode 100644 index 0000000000..72be5e6da1 --- /dev/null +++ b/tmk_core/avr.mk @@ -0,0 +1,185 @@ +# Hey Emacs, this is a -*- makefile -*- +############################################################################## +# Compiler settings +# +CC = avr-gcc +OBJCOPY = avr-objcopy +OBJDUMP = avr-objdump +SIZE = avr-size +AR = avr-ar rcs +NM = avr-nm +HEX = $(OBJCOPY) -O $(FORMAT) -R .eeprom -R .fuse -R .lock -R .signature +EEP = $(OBJCOPY) -j .eeprom --set-section-flags=.eeprom="alloc,load" --change-section-lma .eeprom=0 --no-change-warnings -O $(FORMAT) + + + +COMPILEFLAGS += -funsigned-char +COMPILEFLAGS += -funsigned-bitfields +COMPILEFLAGS += -ffunction-sections +COMPILEFLAGS += -fdata-sections +COMPILEFLAGS += -fpack-struct +COMPILEFLAGS += -fshort-enums + +CFLAGS += $(COMPILEFLAGS) +CFLAGS += -fno-inline-small-functions +CFLAGS += -fno-strict-aliasing + +CPPFLAGS += $(COMPILEFLAGS) +CPPFLAGS += -fno-exceptions + +LDFLAGS +=-Wl,--gc-sections + +OPT_DEFS += -DF_CPU=$(F_CPU)UL + +MCUFLAGS = -mmcu=$(MCU) + +# List any extra directories to look for libraries here. +# Each directory must be seperated by a space. +# Use forward slashes for directory separators. +# For a directory that has spaces, enclose it in quotes. +EXTRALIBDIRS = + + +#---------------- External Memory Options ---------------- + +# 64 KB of external RAM, starting after internal RAM (ATmega128!), +# used for variables (.data/.bss) and heap (malloc()). +#EXTMEMOPTS = -Wl,-Tdata=0x801100,--defsym=__heap_end=0x80ffff + +# 64 KB of external RAM, starting after internal RAM (ATmega128!), +# only used for heap (malloc()). +#EXTMEMOPTS = -Wl,--section-start,.data=0x801100,--defsym=__heap_end=0x80ffff + +EXTMEMOPTS = + +#---------------- Debugging Options ---------------- + +# Debugging format. +# Native formats for AVR-GCC's -g are dwarf-2 [default] or stabs. +# AVR Studio 4.10 requires dwarf-2. +# AVR [Extended] COFF format requires stabs, plus an avr-objcopy run. +DEBUG = dwarf-2 + +# For simulavr only - target MCU frequency. +DEBUG_MFREQ = $(F_CPU) + +# Set the DEBUG_UI to either gdb or insight. +# DEBUG_UI = gdb +DEBUG_UI = insight + +# Set the debugging back-end to either avarice, simulavr. +DEBUG_BACKEND = avarice +#DEBUG_BACKEND = simulavr + +# GDB Init Filename. +GDBINIT_FILE = __avr_gdbinit + +# When using avarice settings for the JTAG +JTAG_DEV = /dev/com1 + +# Debugging port used to communicate between GDB / avarice / simulavr. +DEBUG_PORT = 4242 + +# Debugging host used to communicate between GDB / avarice / simulavr, normally +# just set to localhost unless doing some sort of crazy debugging when +# avarice is running on a different computer. +DEBUG_HOST = localhost + +#============================================================================ +# Autodecct teensy loader +ifneq (, $(shell which teensy-loader-cli 2>/dev/null)) + TEENSY_LOADER_CLI = teensy-loader-cli +else + TEENSY_LOADER_CLI = teensy_loader_cli +endif + +# Program the device. +program: $(BUILD_DIR)/$(TARGET).hex $(BUILD_DIR)/$(TARGET).eep + $(PROGRAM_CMD) + +teensy: $(BUILD_DIR)/$(TARGET).hex + $(TEENSY_LOADER_CLI) -mmcu=$(MCU) -w -v $(BUILD_DIR)/$(TARGET).hex + +flip: $(BUILD_DIR)/$(TARGET).hex + batchisp -hardware usb -device $(MCU) -operation erase f + batchisp -hardware usb -device $(MCU) -operation loadbuffer $(BUILD_DIR)/$(TARGET).hex program + batchisp -hardware usb -device $(MCU) -operation start reset 0 + +dfu: $(BUILD_DIR)/$(TARGET).hex sizeafter +ifneq (, $(findstring 0.7, $(shell dfu-programmer --version 2>&1))) + dfu-programmer $(MCU) erase --force +else + dfu-programmer $(MCU) erase +endif + dfu-programmer $(MCU) flash $(BUILD_DIR)/$(TARGET).hex + dfu-programmer $(MCU) reset + +dfu-start: + dfu-programmer $(MCU) reset + dfu-programmer $(MCU) start + +flip-ee: $(BUILD_DIR)/$(TARGET).hex $(BUILD_DIR)/$(TARGET).eep + $(COPY) $(BUILD_DIR)/$(TARGET).eep $(BUILD_DIR)/$(TARGET)eep.hex + batchisp -hardware usb -device $(MCU) -operation memory EEPROM erase + batchisp -hardware usb -device $(MCU) -operation memory EEPROM loadbuffer $(BUILD_DIR)/$(TARGET)eep.hex program + batchisp -hardware usb -device $(MCU) -operation start reset 0 + $(REMOVE) $(BUILD_DIR)/$(TARGET)eep.hex + +dfu-ee: $(BUILD_DIR)/$(TARGET).hex $(BUILD_DIR)/$(TARGET).eep +ifneq (, $(findstring 0.7, $(shell dfu-programmer --version 2>&1))) + dfu-programmer $(MCU) flash --eeprom $(BUILD_DIR)/$(TARGET).eep +else + dfu-programmer $(MCU) flash-eeprom $(BUILD_DIR)/$(TARGET).eep +endif + dfu-programmer $(MCU) reset + + +# Generate avr-gdb config/init file which does the following: +# define the reset signal, load the target file, connect to target, and set +# a breakpoint at main(). +gdb-config: + @$(REMOVE) $(GDBINIT_FILE) + @echo define reset >> $(GDBINIT_FILE) + @echo SIGNAL SIGHUP >> $(GDBINIT_FILE) + @echo end >> $(GDBINIT_FILE) + @echo file $(BUILD_DIR)/$(TARGET).elf >> $(GDBINIT_FILE) + @echo target remote $(DEBUG_HOST):$(DEBUG_PORT) >> $(GDBINIT_FILE) +ifeq ($(DEBUG_BACKEND),simulavr) + @echo load >> $(GDBINIT_FILE) +endif + @echo break main >> $(GDBINIT_FILE) + +debug: gdb-config $(BUILD_DIR)/$(TARGET).elf +ifeq ($(DEBUG_BACKEND), avarice) + @echo Starting AVaRICE - Press enter when "waiting to connect" message displays. + @$(WINSHELL) /c start avarice --jtag $(JTAG_DEV) --erase --program --file \ + $(BUILD_DIR)/$(TARGET).elf $(DEBUG_HOST):$(DEBUG_PORT) + @$(WINSHELL) /c pause + +else + @$(WINSHELL) /c start simulavr --gdbserver --device $(MCU) --clock-freq \ + $(DEBUG_MFREQ) --port $(DEBUG_PORT) +endif + @$(WINSHELL) /c start avr-$(DEBUG_UI) --command=$(GDBINIT_FILE) + + + + +# Convert ELF to COFF for use in debugging / simulating in AVR Studio or VMLAB. +COFFCONVERT = $(OBJCOPY) --debugging +COFFCONVERT += --change-section-address .data-0x800000 +COFFCONVERT += --change-section-address .bss-0x800000 +COFFCONVERT += --change-section-address .noinit-0x800000 +COFFCONVERT += --change-section-address .eeprom-0x810000 + + + +coff: $(BUILD_DIR)/$(TARGET).elf + @$(SECHO) $(MSG_COFF) $(BUILD_DIR)/$(TARGET).cof + $(COFFCONVERT) -O coff-avr $< $(BUILD_DIR)/$(TARGET).cof + + +extcoff: $(BUILD_DIR)/$(TARGET).elf + @$(SECHO) $(MSG_EXTENDED_COFF) $(BUILD_DIR)/$(TARGET).cof + $(COFFCONVERT) -O coff-ext-avr $< $(BUILD_DIR)/$(TARGET).cof + |