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Add bootloader API functions to the Printer class bootloader.

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Dean Camera 12 years ago
parent 63e80bea08
commit 041bdf8954
4 changed files with 230 additions and 1 deletions
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  1. 75
      Bootloaders/Printer/BootloaderAPI.c
  2. 56
      Bootloaders/Printer/BootloaderAPI.h
  3. 91
      Bootloaders/Printer/BootloaderAPITable.S
  4. 9
      Bootloaders/Printer/makefile

75
Bootloaders/Printer/BootloaderAPI.c
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@ -0,0 +1,75 @@
/*
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);
}

56
Bootloaders/Printer/BootloaderAPI.h
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/*
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>
/* 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

91
Bootloaders/Printer/BootloaderAPITable.S
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@ -0,0 +1,91 @@
/*
LUFA Library
Copyright (C) Dean Camera, 2013.
dean [at] fourwalledcubicle [dot] com
www.lufa-lib.org
*/
/*
Copyright 2011 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
BootloaderAPU_UNUSED1:
ret
BootloaderAPU_UNUSED2:
ret
BootloaderAPU_UNUSED3:
ret
BootloaderAPU_UNUSED4:
ret
BootloaderAPU_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 BootloaderAPU_UNUSED1 ; UNUSED ENTRY 1
rjmp BootloaderAPU_UNUSED2 ; UNUSED ENTRY 2
rjmp BootloaderAPU_UNUSED3 ; UNUSED ENTRY 3
rjmp BootloaderAPU_UNUSED4 ; UNUSED ENTRY 4
rjmp BootloaderAPU_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 0xDF20 ; Signature for the Printer class bootloader
.word 0xDCFB ; Signature for a LUFA class bootloader

9
Bootloaders/Printer/makefile
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@ -18,7 +18,7 @@ F_CPU = 8000000
F_USB = $(F_CPU)
OPTIMIZATION = s
TARGET = BootloaderPrinter
SRC = $(TARGET).c Descriptors.c $(LUFA_SRC_USB)
SRC = $(TARGET).c Descriptors.c BootloaderAPI.c BootloaderAPITable.S $(LUFA_SRC_USB)
LUFA_PATH = ../../LUFA
CC_FLAGS = -DUSE_LUFA_CONFIG_HEADER -IConfig/ -DBOOT_START_ADDR=$(BOOT_START_OFFSET)
LD_FLAGS = -Wl,--section-start=.text=$(BOOT_START_OFFSET) $(BOOT_API_LD_FLAGS)
@ -35,6 +35,13 @@ CALC_ADDRESS_IN_HEX = $(shell printf "0x%X" $$(( $(1) )) )
BOOT_START_OFFSET = $(call CALC_ADDRESS_IN_HEX, ($(FLASH_SIZE_KB) - $(BOOT_SECTION_SIZE_KB)) * 1024 )
BOOT_SEC_OFFSET = $(call CALC_ADDRESS_IN_HEX, ($(FLASH_SIZE_KB) * 1024) - $(strip $(1)) )
# Bootloader linker section flags for relocating the API table sections to
# known FLASH addresses - these should not normally be user-edited.
BOOT_SECTION_LD_FLAG = -Wl,--section-start=.apitable_$(strip $(1))=$(call BOOT_SEC_OFFSET, $(3)) -Wl,--undefined=BootloaderAPI_$(strip $(2))
BOOT_API_LD_FLAGS = $(call BOOT_SECTION_LD_FLAG, trampolines, Trampolines, 96)
BOOT_API_LD_FLAGS += $(call BOOT_SECTION_LD_FLAG, jumptable, JumpTable, 32)
BOOT_API_LD_FLAGS += $(call BOOT_SECTION_LD_FLAG, signatures, Signatures, 8)
# Default target
all:

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