--- /dev/null
+/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2013.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.lufa-lib.org
+*/
+
+/*
+ Copyright 2013 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 disclaims 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.
+*/
+
+/** \file
+ *
+ * Bootloader user application API functions.
+ */
+
+#include "BootloaderAPI.h"
+
+void BootloaderAPI_ErasePage(const uint32_t Address)
+{
+ boot_page_erase_safe(Address);
+ boot_spm_busy_wait();
+ boot_rww_enable();
+}
+
+void BootloaderAPI_WritePage(const uint32_t Address)
+{
+ boot_page_write_safe(Address);
+ boot_spm_busy_wait();
+ boot_rww_enable();
+}
+
+void BootloaderAPI_FillWord(const uint32_t Address, const uint16_t Word)
+{
+ boot_page_fill_safe(Address, Word);
+}
+
+uint8_t BootloaderAPI_ReadSignature(const uint16_t Address)
+{
+ return boot_signature_byte_get(Address);
+}
+
+uint8_t BootloaderAPI_ReadFuse(const uint16_t Address)
+{
+ return boot_lock_fuse_bits_get(Address);
+}
+
+uint8_t BootloaderAPI_ReadLock(void)
+{
+ return boot_lock_fuse_bits_get(GET_LOCK_BITS);
+}
+
+void BootloaderAPI_WriteLock(const uint8_t LockBits)
+{
+ boot_lock_bits_set_safe(LockBits);
+}
+
--- /dev/null
+/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2013.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.lufa-lib.org
+*/
+
+/*
+ Copyright 2013 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 disclaims 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.
+*/
+
+/** \file
+ *
+ * Header file for BootloaderAPI.c.
+ */
+
+#ifndef _BOOTLOADER_API_H_
+#define _BOOTLOADER_API_H_
+
+ /* Includes: */
+ #include <avr/io.h>
+ #include <avr/boot.h>
+ #include <stdbool.h>
+
+ #include <LUFA/Common/Common.h>
+
+ #include "Config/AppConfig.h"
+
+ /* Function Prototypes: */
+ void BootloaderAPI_ErasePage(const uint32_t Address);
+ void BootloaderAPI_WritePage(const uint32_t Address);
+ void BootloaderAPI_FillWord(const uint32_t Address, const uint16_t Word);
+ uint8_t BootloaderAPI_ReadSignature(const uint16_t Address);
+ uint8_t BootloaderAPI_ReadFuse(const uint16_t Address);
+ uint8_t BootloaderAPI_ReadLock(void);
+ void BootloaderAPI_WriteLock(const uint8_t LockBits);
+
+#endif
+
--- /dev/null
+/*\r
+ LUFA Library\r
+ Copyright (C) Dean Camera, 2011.\r
+\r
+ dean [at] fourwalledcubicle [dot] com\r
+ www.lufa-lib.org\r
+*/\r
+\r
+/*\r
+ Copyright 2013 Dean Camera (dean [at] fourwalledcubicle [dot] com)\r
+\r
+ Permission to use, copy, modify, distribute, and sell this\r
+ software and its documentation for any purpose is hereby granted\r
+ without fee, provided that the above copyright notice appear in\r
+ all copies and that both that the copyright notice and this\r
+ permission notice and warranty disclaimer appear in supporting\r
+ documentation, and that the name of the author not be used in\r
+ advertising or publicity pertaining to distribution of the\r
+ software without specific, written prior permission.\r
+\r
+ The author disclaims all warranties with regard to this\r
+ software, including all implied warranties of merchantability\r
+ and fitness. In no event shall the author be liable for any\r
+ special, indirect or consequential damages or any damages\r
+ whatsoever resulting from loss of use, data or profits, whether\r
+ in an action of contract, negligence or other tortious action,\r
+ arising out of or in connection with the use or performance of\r
+ this software.\r
+*/\r
+\r
+; Trampolines to actual API implementations if the target address is outside the\r
+; range of a rjmp instruction (can happen with large bootloader sections)\r
+.section .apitable_trampolines, "ax"\r
+.global BootloaderAPI_Trampolines\r
+BootloaderAPI_Trampolines:\r
+\r
+ BootloaderAPI_ErasePage_Trampoline:\r
+ jmp BootloaderAPI_ErasePage\r
+ BootloaderAPI_WritePage_Trampoline:\r
+ jmp BootloaderAPI_WritePage\r
+ BootloaderAPI_FillWord_Trampoline:\r
+ jmp BootloaderAPI_FillWord\r
+ BootloaderAPI_ReadSignature_Trampoline:\r
+ jmp BootloaderAPI_ReadSignature\r
+ BootloaderAPI_ReadFuse_Trampoline:\r
+ jmp BootloaderAPI_ReadFuse\r
+ BootloaderAPI_ReadLock_Trampoline:\r
+ jmp BootloaderAPI_ReadLock\r
+ BootloaderAPI_WriteLock_Trampoline:\r
+ jmp BootloaderAPI_WriteLock\r
+ BootloaderAPU_UNUSED1:\r
+ ret\r
+ BootloaderAPU_UNUSED2:\r
+ ret\r
+ BootloaderAPU_UNUSED3:\r
+ ret\r
+ BootloaderAPU_UNUSED4:\r
+ ret\r
+ BootloaderAPU_UNUSED5:\r
+ ret\r
+\r
+\r
+\r
+; API function jump table\r
+.section .apitable_jumptable, "ax"\r
+.global BootloaderAPI_JumpTable\r
+BootloaderAPI_JumpTable:\r
+\r
+ rjmp BootloaderAPI_ErasePage_Trampoline\r
+ rjmp BootloaderAPI_WritePage_Trampoline\r
+ rjmp BootloaderAPI_FillWord_Trampoline\r
+ rjmp BootloaderAPI_ReadSignature_Trampoline\r
+ rjmp BootloaderAPI_ReadFuse_Trampoline\r
+ rjmp BootloaderAPI_ReadLock_Trampoline\r
+ rjmp BootloaderAPI_WriteLock_Trampoline\r
+ rjmp BootloaderAPU_UNUSED1 ; UNUSED ENTRY 1\r
+ rjmp BootloaderAPU_UNUSED2 ; UNUSED ENTRY 2\r
+ rjmp BootloaderAPU_UNUSED3 ; UNUSED ENTRY 3\r
+ rjmp BootloaderAPU_UNUSED4 ; UNUSED ENTRY 4\r
+ rjmp BootloaderAPU_UNUSED5 ; UNUSED ENTRY 5\r
+\r
+\r
+\r
+; Bootloader table signatures and information\r
+.section .apitable_signatures, "ax"\r
+.global BootloaderAPI_Signatures\r
+BootloaderAPI_Signatures:\r
+\r
+ .long BOOT_START_ADDR ; Start address of the bootloader\r
+ .word 0xDF30 ; Signature for the MS class bootloader, V1\r
+ .word 0xDCFB ; Signature for a LUFA class bootloader\r
TARGET = MassStorage\r
SRC = $(TARGET).c Descriptors.c Lib/SCSI.c Lib/VirtualFAT.c $(LUFA_SRC_USB) $(LUFA_SRC_USBCLASS)\r
LUFA_PATH = ../../../LUFA\r
-CC_FLAGS = -DUSE_LUFA_CONFIG_HEADER -IConfig/\r
-LD_FLAGS = -Wl,--section-start=.text=$(BOOT_START_OFFSET)\r
+CC_FLAGS = -DUSE_LUFA_CONFIG_HEADER -IConfig/ -DBOOT_START_ADDR=$(BOOT_START_OFFSET)\r
+LD_FLAGS = -Wl,--section-start=.text=$(BOOT_START_OFFSET) $(BOOT_API_LD_FLAGS)\r
\r
# Flash size and bootloader section sizes of the target, in KB. These must\r
# match the target's total FLASH size and the bootloader size set in the\r
# device's fuses.\r
-FLASH_SIZE_KB := 128\r
-BOOT_SECTION_SIZE_KB := 8\r
+FLASH_SIZE_KB = 128\r
+BOOT_SECTION_SIZE_KB = 8\r
\r
# Bootloader address calculation formulas\r
# Do not modify these macros, but rather modify the dependent values above.\r
BOOT_START_OFFSET = $(call CALC_ADDRESS_IN_HEX, ($(FLASH_SIZE_KB) - $(BOOT_SECTION_SIZE_KB)) * 1024 )\r
BOOT_SEC_OFFSET = $(call CALC_ADDRESS_IN_HEX, ($(FLASH_SIZE_KB) * 1024) - $(strip $(1)) )\r
\r
+# Bootloader linker section flags for relocating the API table sections to\r
+# known FLASH addresses - these should not normally be user-edited.\r
+BOOT_SECTION_LD_FLAG = -Wl,--section-start=.apitable_$(strip $(1))=$(call BOOT_SEC_OFFSET, $(3)) -Wl,--undefined=BootloaderAPI_$(strip $(2))\r
+BOOT_API_LD_FLAGS = $(call BOOT_SECTION_LD_FLAG, trampolines, Trampolines, 96)\r
+BOOT_API_LD_FLAGS += $(call BOOT_SECTION_LD_FLAG, jumptable, JumpTable, 32)\r
+BOOT_API_LD_FLAGS += $(call BOOT_SECTION_LD_FLAG, signatures, Signatures, 8)\r
+\r
# Default target\r
all:\r
\r