Clean up HID EEPROM loader shim application code, simplify project makefile. Ensure shim application is properly rebuild by explicitly cleaning it before requesting a rebuild.

2 files changed, 23 insertions, 11 deletions

diff --git a/LUFA/Build/HID_EEPROM_Loader/HID_EEPROM_Loader.c b/LUFA/Build/HID_EEPROM_Loader/HID_EEPROM_Loader.c
index 812b1b24a..2d20153e0 100644
--- a/LUFA/Build/HID_EEPROM_Loader/HID_EEPROM_Loader.c
+++ b/LUFA/Build/HID_EEPROM_Loader/HID_EEPROM_Loader.c
@@ -28,14 +28,27 @@
   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)
 {
diff --git a/LUFA/Build/HID_EEPROM_Loader/makefile b/LUFA/Build/HID_EEPROM_Loader/makefile
index 6cdd8cf0d..76058d3bf 100644
--- a/LUFA/Build/HID_EEPROM_Loader/makefile
+++ b/LUFA/Build/HID_EEPROM_Loader/makefile
@@ -13,7 +13,7 @@ MCU          = at90usb1287
 ARCH         = AVR8

 F_CPU        = 1000000

 F_USB        = $(F_CPU)

-OPTIMIZATION = 0

+OPTIMIZATION = s

 TARGET       = HID_EEPROM_Loader

 SRC          = $(TARGET).c

 LUFA_PATH    = ../../../LUFA/

@@ -22,16 +22,15 @@ LD_FLAGS     =
 OBJECT_FILES = InputEEData.o

 

 # Default target

-all: InputEEData.o hex

+all:

 

-.PHONY: InputEEData.o

+# Determine the AVR sub-architecture of the build main application object file

+FIND_AVR_SUBARCH = avr$(shell avr-objdump -f $(TARGET).o | grep architecture | cut -d':' -f3 | cut -d',' -f1)

+

+# Create a linkable object file with the input binary EEPROM data stored in the FLASH section

 InputEEData.o: InputEEData.bin $(TARGET).o $(MAKEFILE_LIST)

 	@echo $(MSG_OBJCPY_CMD) Converting \"$<\" to a object file \"$@\"

-	avr-objcopy -I binary -O elf32-avr -B avr$(shell avr-objdump -f $(TARGET).o | grep architecture | cut -d':' -f3 | cut -d',' -f1) \

-	  --rename-section .data=.progmem.data,contents,alloc,readonly,data \

-	  --redefine-sym _binary_$(basename $@)_bin_start=$(basename $@) \

-	  --redefine-sym _binary_$(basename $@)_bin_size=$(basename $@)_size_sym \

-	  $< $@

+	avr-objcopy -I binary -O elf32-avr -B $(call FIND_AVR_SUBARCH) --rename-section .data=.progmem.data,contents,alloc,readonly,data $< $@

 

 # Include LUFA build script makefiles

 include $(LUFA_PATH)/Build/lufa.core.in