1 files changed, 185 insertions, 0 deletions

diff --git a/tmk_core/avr.mk b/tmk_core/avr.mk
new file mode 100644
index 000000000..72be5e6da
--- /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
+