this software.
*/
+/** \file
+ *
+ * Special application to extract an EEPROM image stored in FLASH memory, and
+ * copy it to the device EEPROM. This application is designed to be used with
+ * the HID build system module of LUFA to program the EEPROM of a target device
+ * that uses the HID bootloader protocol, which does not have native EEPROM
+ * programming support.
+ */
+
#include <avr/io.h>
#include <avr/eeprom.h>
#include <avr/pgmspace.h>
/* References to the binary EEPROM data linked in the AVR's FLASH memory space */
-extern const char InputEEData[];
-extern const char InputEEData_size_sym[];
-#define InputEEData_size ((int)InputEEData_size_sym)
+extern const char _binary_InputEEData_bin_start[];
+extern const char _binary_InputEEData_bin_end[];
+extern const char _binary_InputEEData_bin_size[];
+
+/* Friendly names for the embedded binary data stored in FLASH memory space */
+#define InputEEData _binary_InputEEData_bin_start
+#define InputEEData_size ((int)_binary_InputEEData_bin_size)
int main(void)
{
ARCH = AVR8\r
F_CPU = 1000000\r
F_USB = $(F_CPU)\r
-OPTIMIZATION = 0\r
+OPTIMIZATION = s\r
TARGET = HID_EEPROM_Loader\r
SRC = $(TARGET).c\r
LUFA_PATH = ../../../LUFA/\r
OBJECT_FILES = InputEEData.o\r
\r
# Default target\r
-all: InputEEData.o hex\r
+all:\r
\r
-.PHONY: InputEEData.o\r
+# Determine the AVR sub-architecture of the build main application object file\r
+FIND_AVR_SUBARCH = avr$(shell avr-objdump -f $(TARGET).o | grep architecture | cut -d':' -f3 | cut -d',' -f1)\r
+\r
+# Create a linkable object file with the input binary EEPROM data stored in the FLASH section\r
InputEEData.o: InputEEData.bin $(TARGET).o $(MAKEFILE_LIST)\r
@echo $(MSG_OBJCPY_CMD) Converting \"$<\" to a object file \"$@\"\r
- avr-objcopy -I binary -O elf32-avr -B avr$(shell avr-objdump -f $(TARGET).o | grep architecture | cut -d':' -f3 | cut -d',' -f1) \\r
- --rename-section .data=.progmem.data,contents,alloc,readonly,data \\r
- --redefine-sym _binary_$(basename $@)_bin_start=$(basename $@) \\r
- --redefine-sym _binary_$(basename $@)_bin_size=$(basename $@)_size_sym \\r
- $< $@\r
+ avr-objcopy -I binary -O elf32-avr -B $(call FIND_AVR_SUBARCH) --rename-section .data=.progmem.data,contents,alloc,readonly,data $< $@\r
\r
# Include LUFA build script makefiles\r
include $(LUFA_PATH)/Build/lufa.core.in\r
@echo $(MSG_OBJCPY_CMD) Converting \"$<\" to a binary file \"InputEEData.bin\"
avr-objcopy -I ihex -O binary $< $(patsubst %/,%,$(LUFA_PATH))/Build/HID_EEPROM_Loader/InputEEData.bin
@echo $(MSG_MAKE_CMD) Making EEPROM loader application for \"$<\"
- make -C $(patsubst %/,%,$(LUFA_PATH))/Build/HID_EEPROM_Loader/ MCU=$(MCU) hid clean
+ make -C $(patsubst %/,%,$(LUFA_PATH))/Build/HID_EEPROM_Loader/ MCU=$(MCU) clean hid
hid-teensy: $(TARGET).hex $(MAKEFILE_LIST)
@echo $(MSG_HID_BOOTLOADER_CMD) Programming FLASH with teensy_loader_cli using \"$<\"
@echo $(MSG_OBJCPY_CMD) Converting \"$<\" to a binary file \"InputEEData.bin\"
avr-objcopy -I ihex -O binary $< $(patsubst %/,%,$(LUFA_PATH))/Build/HID_EEPROM_Loader/InputEEData.bin
@echo $(MSG_MAKE_CMD) Making EEPROM loader application for \"$<\"
- make -s -C $(patsubst %/,%,$(LUFA_PATH))/Build/HID_EEPROM_Loader/ MCU=$(MCU) hid-teensy clean
+ make -s -C $(patsubst %/,%,$(LUFA_PATH))/Build/HID_EEPROM_Loader/ MCU=$(MCU) clean hid-teensy
# Phony build targets for this module
.PHONY: hid hid-ee hid-teensy hid-teensy-ee