Update BUILD build system module with OBJECT_FILES variable, for additional...

Update BUILD build system module with OBJECT_FILES variable, for additional user-specified object files. Update HID build module with a small shim application to reprogram the EEPROM of a target.

LUFA/Build/HID_EEPROM_Loader/HID_EEPROM_Loader.c

+/*
+             LUFA Library
+     Copyright (C) Dean Camera, 2012.
+
+  dean [at] fourwalledcubicle [dot] com
+           www.lufa-lib.org
+*/
+
+/*
+  Copyright 2012  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.
+*/
+
+#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)
+
+int main(void)
+{
+	/* Copy out the embedded EEPROM data from FLASH to EEPROM memory space */
+	for (uint16_t i = 0; i < InputEEData_size; i++)
+	  eeprom_update_byte((uint8_t*)i, pgm_read_byte(&InputEEData[i]));
+
+	/* Infinite loop once complete */
+	for (;;);
+}

LUFA/Build/HID_EEPROM_Loader/makefile

+#
+#             LUFA Library
+#     Copyright (C) Dean Camera, 2012.
+#
+#  dean [at] fourwalledcubicle [dot] com
+#           www.lufa-lib.org
+#
+# --------------------------------------
+#         LUFA Project Makefile.
+# --------------------------------------
+
+MCU          = at90usb1287
+ARCH         = AVR8
+F_CPU        = 1000000
+F_USB        = $(F_CPU)
+OPTIMIZATION = 0
+TARGET       = HID_EEPROM_Loader
+SRC          = $(TARGET).c
+LUFA_PATH    = ../../../LUFA/
+CC_FLAGS     = 
+LD_FLAGS     =
+OBJECT_FILES = InputEEData.o
+
+# Default target
+all: InputEEData.o hex
+
+.PHONY: InputEEData.o
+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 \
+	  $< $@
+
+# Include LUFA build script makefiles
+include $(LUFA_PATH)/Build/lufa.core.in
+include $(LUFA_PATH)/Build/lufa.sources.in
+include $(LUFA_PATH)/Build/lufa.build.in
+include $(LUFA_PATH)/Build/lufa.cppcheck.in
+include $(LUFA_PATH)/Build/lufa.doxygen.in
+include $(LUFA_PATH)/Build/lufa.dfu.in
+include $(LUFA_PATH)/Build/lufa.hid.in
+include $(LUFA_PATH)/Build/lufa.avrdude.in
+include $(LUFA_PATH)/Build/lufa.atprogram.in

LUFA/Build/lufa.build.in

@@ -9,7 +9,7 @@
 LUFA_BUILD_MODULES         += BUILD
 LUFA_BUILD_TARGETS         += size check-source symbol-sizes all lib elf hex lss clean mostlyclean
 LUFA_BUILD_MANDATORY_VARS  += TARGET ARCH MCU SRC F_USB LUFA_PATH
-LUFA_BUILD_OPTIONAL_VARS   += BOARD OPTIMIZATION C_STANDARD CPP_STANDARD F_CPU C_FLAGS CPP_FLAGS ASM_FLAGS CC_FLAGS LD_FLAGS OBJDIR
+LUFA_BUILD_OPTIONAL_VARS   += BOARD OPTIMIZATION C_STANDARD CPP_STANDARD F_CPU C_FLAGS CPP_FLAGS ASM_FLAGS CC_FLAGS LD_FLAGS OBJDIR OBJECT_FILES
 LUFA_BUILD_PROVIDED_VARS   += 
 LUFA_BUILD_PROVIDED_MACROS += 
 
@@ -63,6 +63,7 @@ LUFA_BUILD_PROVIDED_MACROS +=
 #    OBJDIR                    - Directory for the output object and dependency
 #                                files; if equal to ".", the output files will
 #                                be generated in the same folder as the sources
+#    OBJECT_FILES              - Extra object files to link in to the binaries
 #
 # PROVIDED VARIABLES:
 #
@@ -91,6 +92,7 @@ CPP_FLAGS       ?=
 ASM_FLAGS       ?=
 CC_FLAGS        ?=
 OBJDIR          ?= .
+OBJECT_FILES    ?=
 
 # Sanity check user supplied values
 $(foreach MANDATORY_VAR, $(LUFA_BUILD_MANDATORY_VARS), $(call ERROR_IF_UNSET, $(MANDATORY_VAR)))
@@ -141,7 +143,7 @@ ifneq ($(UNKNOWN_SOURCE),)
 endif
 
 # Convert input source filenames into a list of required output object files
-OBJECT_FILES := $(addsuffix .o, $(basename $(SRC)))
+OBJECT_FILES += $(addsuffix .o, $(basename $(SRC)))
 ifneq ($(OBJDIR),.)
    $(shell mkdir $(OBJDIR) 2>&1 > /dev/null)   
    VPATH           += $(dir $(SRC))

LUFA/Build/lufa.hid.in

@@ -7,7 +7,7 @@
 #
 
 LUFA_BUILD_MODULES         += HID
-LUFA_BUILD_TARGETS         += hid hid-teensy
+LUFA_BUILD_TARGETS         += hid hid-ee hid-teensy hid-teensy-ee
 LUFA_BUILD_MANDATORY_VARS  += MCU TARGET
 LUFA_BUILD_OPTIONAL_VARS   += 
 LUFA_BUILD_PROVIDED_VARS   += 
@@ -24,8 +24,12 @@ LUFA_BUILD_PROVIDED_MACROS +=
 #
 #    hid                       - Program FLASH into target via
 #                                hid_bootloader_cli
+#    hid-ee                    - Program EEPROM into target via a temporary
+#                                AVR application and hid_bootloader_cli
 #    hid-teensy                - Program FLASH into target via
 #                                teensy_loader_cli
+#    hid-teensy-ee             - Program EEPROM into target via a temporary
+#                                AVR application and teensy_loader_cli
 #
 # MANDATORY PARAMETERS:
 #
@@ -57,14 +61,28 @@ $(call ERROR_IF_EMPTY, TARGET)
 
 # Output Messages
 MSG_HID_BOOTLOADER_CMD := ' [HID]     :'
+MSG_OBJCPY_CMD         := ' [OBJCPY]  :'
+MSG_MAKE_CMD           := ' [MAKE]    :'
 
 hid: $(TARGET).hex $(MAKEFILE_LIST)
 	@echo $(MSG_HID_BOOTLOADER_CMD) Programming FLASH with hid_bootloader_cli using \"$<\"
 	hid_bootloader_cli -mmcu=$(MCU) -v $<
 
+hid-ee: $(TARGET).eep $(MAKEFILE_LIST)
+	@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
+
 hid-teensy: $(TARGET).hex $(MAKEFILE_LIST)
 	@echo $(MSG_HID_BOOTLOADER_CMD) Programming FLASH with teensy_loader_cli using \"$<\"
 	teensy_loader_cli -mmcu=$(MCU) -v $<
 
+hid-teensy-ee: $(TARGET).hex $(MAKEFILE_LIST)
+	@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
+	
 # Phony build targets for this module
-.PHONY: hid hid-teensy
+.PHONY: hid hid-ee hid-teensy hid-teensy-ee

LUFA/DoxygenPages/BuildSystem.txt

@@ -183,6 +183,10 @@
  *    <td>Directory to place the generated object and dependency files. If set to "." the same folder as the source file will be used.
  *        \note When this option is enabled, all source filenames <b>must</b> be unique.</td>
  *   </tr>
+ *   <tr>
+ *    <td><tt>OBJECT_FILES</tt></td>
+ *    <td>List of additional object files that should be linked into the resulting binary.</td>
+ *   </tr>
  *  </table>
  *
  *  \section SSec_BuildModule_BUILD_ProvidedVariables Module Provided Variables
@@ -696,9 +700,21 @@
  *    <td>Program the device FLASH memory with the application's executable data using <tt>hid_bootloader_cli</tt>.</td>
  *   </tr>
  *   <tr>
+ *    <td><tt>hid-ee</tt></td>
+ *    <td>Program the device EEPROM memory with the application's EEPROM data using <tt>hid_bootloader_cli</tt> and
+ *        a temporary AVR application programmed into the target's FLASH.
+ *        \note This will erase the currently loaded application in the target.</td>
+ *   </tr>
+ *   <tr>
  *    <td><tt>hid-teensy</tt></td>
  *    <td>Program the device FLASH memory with the application's executable data using <tt>teensy_loader_cli</tt>.</td>
  *   </tr>
+ *   <tr>
+ *    <td><tt>hid-teensy-ee</tt></td>
+ *    <td>Program the device EEPROM memory with the application's EEPROM data using <tt>teensy_loader_cli</tt> and
+ *        a temporary AVR application programmed into the target's FLASH.
+ *        \note This will erase the currently loaded application in the target.</td>
+ *   </tr>
  *  </table>
  *
  *  \section SSec_BuildModule_HID_MandatoryParams Mandatory Parameters