mirror of
https://github.com/jialexd/sdk-ameba-v4.0c_180328.git
synced 2024-11-01 03:44:17 +00:00
68 lines
2 KiB
C
Executable file
68 lines
2 KiB
C
Executable file
#include "autoconf.h"
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#if !defined(CONFIG_PLATFORM_8195A) && !defined(CONFIG_PLATFORM_8711B)
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#include <flash/stm32_flash.h>
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#if defined(STM32F2XX)
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#include <stm32f2xx_flash.h>
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#elif defined(STM32F4XX)
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#include <stm32f4xx_flash.h>
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#elif defined(STM32f1xx)
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#include <stm32f10x_flash.h>
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#endif
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#include "cloud_updater.h"
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#else
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#include "flash_api.h"
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#include "device_lock.h"
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#endif
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#define BUF_LEN 512
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#define CONFIG_MD5_USE_SSL
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#ifdef CONFIG_MD5_USE_SSL
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#include "md5.h"
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#define file_md5_context md5_context
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#define file_md5_init(ctx) md5_init(ctx)
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#define file_md5_starts(ctx) md5_starts(ctx)
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#define file_md5_update(ctx, input, len) md5_update(ctx, input, len)
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#define file_md5_finish(ctx, output) md5_finish(ctx, output)
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#define file_md5_free(ctx) md5_free(ctx)
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#else
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#include "rom_md5.h"
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#define file_md5_context md5_ctx
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#define file_md5_init(ctx) rt_md5_init(ctx)
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#define file_md5_starts(ctx)
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#define file_md5_update(ctx, input, len) rt_md5_append(ctx, input, len)
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#define file_md5_finish(ctx, output) rt_md5_final(output, ctx)
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#define file_md5_free(ctx)
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#endif
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int file_check_sum(uint32_t addr, uint32_t image_len, u8* check_sum)
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{
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int ret = -1 ;
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flash_t flash;
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file_md5_context md5;
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unsigned char buf[BUF_LEN];
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uint32_t read_addr = addr;
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int len = 0;
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file_md5_init(&md5);
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file_md5_starts(&md5);
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while(len < image_len){
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if ((image_len-len) >= BUF_LEN){
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device_mutex_lock(RT_DEV_LOCK_FLASH);
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flash_stream_read(&flash, read_addr, BUF_LEN, buf);
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device_mutex_unlock(RT_DEV_LOCK_FLASH);
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file_md5_update(&md5, buf, BUF_LEN);
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}else{
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device_mutex_lock(RT_DEV_LOCK_FLASH);
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flash_stream_read(&flash, read_addr, (image_len-len), buf);
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device_mutex_unlock(RT_DEV_LOCK_FLASH);
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file_md5_update(&md5, buf, (image_len-len));
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}
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len += BUF_LEN;
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read_addr = read_addr + BUF_LEN;
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}
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file_md5_finish(&md5, check_sum);
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file_md5_free(&md5);
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}
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