135 lines
3.9 KiB
C
135 lines
3.9 KiB
C
/*
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* Copyright (C) 2012-2019 UCloud. All Rights Reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License").
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* You may not use this file except in compliance with the License.
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* A copy of the License is located at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* or in the "license" file accompanying this file. This file is distributed
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* on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
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* express or implied. See the License for the specific language governing
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* permissions and limitations under the License.
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*/
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#include "uiot_import.h"
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uint32_t download_addr = DOWNLOAD_START_ADDR;
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void * HAL_Download_Name_Set(void * handle)
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{
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return NULL;
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}
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void * HAL_Download_Init(_IN_ void * name)
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{
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int i,ret;
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char version_info[VERSION_BYTE_NUM];
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uint32_t info_addr = CURRENT_VERSION_START_ADDR;
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for(i = 0; i < VERSION_BYTE_NUM; i++)
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{
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version_info[i] = HAL_FLASH_Read_Byte(info_addr);
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info_addr++;
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}
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if(FAILURE_RET == HAL_FLASH_Erase_Sector(FLASH_SECTOR_3, 1))
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return NULL;
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info_addr = CURRENT_VERSION_START_ADDR;
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HAL_FLASH_Unlocked();
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for(i = 0; i < VERSION_BYTE_NUM; i++)
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{
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ret = HAL_FLASH_Write_Byte(info_addr++,version_info[i]);
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if(SUCCESS_RET != ret)
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return NULL;
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}
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ret = HAL_FLASH_Write_Byte(DOWNLOAD_FINISH_FLG_ADDR, DOWNLOAD_FAILED);
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if(SUCCESS_RET != ret)
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return NULL;
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ret = HAL_FLASH_Erase_Sector(FLASH_SECTOR_8, 4);
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if(SUCCESS_RET != ret)
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return NULL;
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HAL_FLASH_Locked();
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download_addr = DOWNLOAD_START_ADDR;
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return &download_addr;
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}
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int HAL_Download_Write(_IN_ void * handle,_IN_ uint32_t total_length,_IN_ uint8_t *buffer_read,_IN_ uint32_t length)
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{
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uint8_t *readptr = buffer_read;
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int i = 0,ret;
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HAL_FLASH_Unlocked();
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for(i = length; i > 0; i--){
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ret = HAL_FLASH_Write_Byte(download_addr++, *readptr++);
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if(FAILURE_RET == ret){
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printf("HAL_Download_Write failed!\r\n");
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return FAILURE_RET;
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}
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}
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HAL_FLASH_Locked();
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return SUCCESS_RET;
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}
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int HAL_Download_End(_IN_ void * handle)
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{
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HAL_FLASH_Write_Byte(DOWNLOAD_FINISH_FLG_ADDR,DOWNLOAD_SUCESS);
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//reset here
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__set_FAULTMASK(1);
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HAL_NVIC_SystemReset();
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return SUCCESS_RET;
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}
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int HAL_FLASH_Write_Byte(_IN_ uint32_t sddr,_IN_ uint32_t data)
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{
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HAL_StatusTypeDef ret;
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ret = HAL_FLASH_Program(FLASH_TYPEPROGRAM_BYTE, sddr, data);
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if(ret == HAL_ERROR){
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printf("write data byte to flash failed!\r\n");
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return FAILURE_RET;
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}
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else
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return SUCCESS_RET;
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}
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int HAL_FLASH_Erase_Sector(_IN_ uint8_t sector, _IN_ uint32_t sector_num)
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{
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uint32_t flash_error;
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HAL_StatusTypeDef ret;
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FLASH_EraseInitTypeDef flash_erase;
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HAL_FLASH_Unlock();
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flash_erase.TypeErase = FLASH_TYPEERASE_SECTORS;
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flash_erase.Sector = sector;
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flash_erase.NbSectors = sector_num;
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flash_erase.VoltageRange = FLASH_VOLTAGE_RANGE_3;
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__HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_EOP | FLASH_FLAG_OPERR | FLASH_FLAG_WRPERR |
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FLASH_FLAG_PGAERR | FLASH_FLAG_PGPERR | FLASH_FLAG_ERSERR | FLASH_FLAG_BSY);
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ret = HAL_FLASHEx_Erase(&flash_erase, &flash_error);
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FLASH_WaitForLastOperation(50000);
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HAL_FLASH_Lock();
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if(HAL_ERROR == ret){
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printf("erase sector in flash failed!\r\n");
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return FAILURE_RET;
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}
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else
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return SUCCESS_RET;
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}
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uint8_t HAL_FLASH_Read_Byte(_IN_ uint8_t addr)
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{
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uint8_t data;
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data=*(__IO uint8_t*)( addr);
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return data;
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}
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void HAL_FLASH_Locked(void)
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{
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HAL_FLASH_Lock();
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}
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void HAL_FLASH_Unlocked(void)
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{
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HAL_FLASH_Unlock();
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__HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_EOP | FLASH_FLAG_OPERR | FLASH_FLAG_WRPERR |
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FLASH_FLAG_PGAERR | FLASH_FLAG_PGPERR | FLASH_FLAG_ERSERR | FLASH_FLAG_BSY);
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}
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