Initial commit

Author: therealdreg

AT90USB1287 DFU bootloader.pdf

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+/*
+             LUFA Library
+     Copyright (C) Dean Camera, 2017.
+
+  dean [at] fourwalledcubicle [dot] com
+           www.lufa-lib.org
+*/
+
+/*
+  Copyright 2017  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);
+}

AT90USB1287 complete.pdf

@@ -0,0 +1,58 @@
+/*
+             LUFA Library
+     Copyright (C) Dean Camera, 2017.
+
+  dean [at] fourwalledcubicle [dot] com
+           www.lufa-lib.org
+*/
+
+/*
+  Copyright 2017  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
+

AT90USB1287.pdf

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+/*
+             LUFA Library
+     Copyright (C) Dean Camera, 2017.
+
+  dean [at] fourwalledcubicle [dot] com
+           www.lufa-lib.org
+*/
+
+/*
+  Copyright 2017  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.
+*/
+
+; Trampolines to actual API implementations if the target address is outside the
+; range of a rjmp instruction (can happen with large bootloader sections)
+.section .apitable_trampolines, "ax"
+.global BootloaderAPI_Trampolines
+BootloaderAPI_Trampolines:
+
+	BootloaderAPI_ErasePage_Trampoline:
+		jmp BootloaderAPI_ErasePage
+	BootloaderAPI_WritePage_Trampoline:
+		jmp BootloaderAPI_WritePage
+	BootloaderAPI_FillWord_Trampoline:
+		jmp BootloaderAPI_FillWord
+	BootloaderAPI_ReadSignature_Trampoline:
+		jmp BootloaderAPI_ReadSignature
+	BootloaderAPI_ReadFuse_Trampoline:
+		jmp BootloaderAPI_ReadFuse
+	BootloaderAPI_ReadLock_Trampoline:
+		jmp BootloaderAPI_ReadLock
+	BootloaderAPI_WriteLock_Trampoline:
+		jmp BootloaderAPI_WriteLock
+	BootloaderAPI_UNUSED1:
+		ret
+	BootloaderAPI_UNUSED2:
+		ret
+	BootloaderAPI_UNUSED3:
+		ret
+	BootloaderAPI_UNUSED4:
+		ret
+	BootloaderAPI_UNUSED5:
+		ret
+
+
+
+; API function jump table
+.section .apitable_jumptable, "ax"
+.global BootloaderAPI_JumpTable
+BootloaderAPI_JumpTable:
+
+	rjmp BootloaderAPI_ErasePage_Trampoline
+	rjmp BootloaderAPI_WritePage_Trampoline
+	rjmp BootloaderAPI_FillWord_Trampoline
+	rjmp BootloaderAPI_ReadSignature_Trampoline
+	rjmp BootloaderAPI_ReadFuse_Trampoline
+	rjmp BootloaderAPI_ReadLock_Trampoline
+	rjmp BootloaderAPI_WriteLock_Trampoline
+	rjmp BootloaderAPI_UNUSED1 ; UNUSED ENTRY 1
+	rjmp BootloaderAPI_UNUSED2 ; UNUSED ENTRY 2
+	rjmp BootloaderAPI_UNUSED3 ; UNUSED ENTRY 3
+	rjmp BootloaderAPI_UNUSED4 ; UNUSED ENTRY 4
+	rjmp BootloaderAPI_UNUSED5 ; UNUSED ENTRY 5
+
+
+
+; Bootloader table signatures and information
+.section .apitable_signatures, "ax"
+.global BootloaderAPI_Signatures
+BootloaderAPI_Signatures:
+
+	.long BOOT_START_ADDR ; Start address of the bootloader
+	.word 0xDF00 ; Signature for the CDC class bootloader
+	.word 0xDCFB ; Signature for a LUFA class bootloader