5b51d50ade
1. effective "Differential Upgrade" patch algorithm with high compression rate 2. effective recovery algorithm support recovery firmware in blocks which has low memory consumption and wear-leveling strategies, especially suitable for embeded devices with low RAM. 3. add sample ota bootloader project, see: board\TencentOS_tiny_EVB_MX_Plus\KEIL\ota\ota_bootloader_recovery 4. add sample application project for download firmware through http, see: board\TencentOS_tiny_EVB_MX_Plus\KEIL\ota\ota_application_download_through_http 5. add sample application project for download firmware through qcloud explorer console, see: board\TencentOS_tiny_EVB_MX_Plus\KEIL\ota\ota_application_download_through_qcloud_iot_explorer 6. an OTA markdown document is pending
84 lines
2.6 KiB
C
84 lines
2.6 KiB
C
/*----------------------------------------------------------------------------
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* Tencent is pleased to support the open source community by making TencentOS
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* available.
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*
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* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
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* If you have downloaded a copy of the TencentOS binary from Tencent, please
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* note that the TencentOS binary is licensed under the BSD 3-Clause License.
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*
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* If you have downloaded a copy of the TencentOS source code from Tencent,
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* please note that TencentOS source code is licensed under the BSD 3-Clause
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* License, except for the third-party components listed below which are
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* subject to different license terms. Your integration of TencentOS into your
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* own projects may require compliance with the BSD 3-Clause License, as well
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* as the other licenses applicable to the third-party components included
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* within TencentOS.
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*---------------------------------------------------------------------------*/
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#include "ota_flash.h"
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static ota_flash_ctl_t flash_ctl;
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int ota_flash_init(ota_flash_drv_t *flash_drv, ota_flash_prop_t *flash_prop)
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{
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if (!flash_drv || !flash_prop) {
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return -1;
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}
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memcpy(&flash_ctl.flash_drv, flash_drv, sizeof(ota_flash_drv_t));
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OTA_FLASH_SECTOR_SIZE_LOG2 = flash_prop->sector_size_log2;
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if (flash_prop->pgm_type == OTA_FLASH_PROGRAM_TYPE_BYTE) {
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OTA_FLASH_WRITE_ALIGN = sizeof(ota_byte_t);
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} else if (flash_prop->pgm_type == OTA_FLASH_PROGRAM_TYPE_HALFWORD) {
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OTA_FLASH_WRITE_ALIGN = sizeof(ota_hword_t);
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} else if (flash_prop->pgm_type == OTA_FLASH_PROGRAM_TYPE_WORD) {
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OTA_FLASH_WRITE_ALIGN = sizeof(ota_word_t);
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} else if (flash_prop->pgm_type == OTA_FLASH_PROGRAM_TYPE_DOUBLEWORD) {
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OTA_FLASH_WRITE_ALIGN = sizeof(ota_dword_t);
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}
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return 0;
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}
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int ota_flash_read(uint32_t addr, void *buf, size_t buf_size)
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{
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if (OTA_FLASH_READ(addr, buf, buf_size) < 0) {
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return -1;
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}
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return 0;
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}
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int ota_flash_write(uint32_t addr, void *buf, size_t buf_size)
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{
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if (OTA_FLASH_WRITE(addr, buf, buf_size) < 0) {
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return -1;
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}
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return 0;
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}
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int ota_flash_erase(uint32_t start, size_t len)
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{
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if (OTA_FLASH_ERASE(start, len) < 0) {
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return -1;
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}
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return 0;
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}
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int ota_flash_erase_blocks(uint32_t start, size_t len)
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{
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return ota_flash_erase(start, OTA_ALIGN_UP(len, OTA_FLASH_SECTOR_SIZE));
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}
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size_t ota_flash_write_size_aligned_get(size_t len)
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{
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return OTA_ALIGN_UP(len, OTA_FLASH_WRITE_ALIGN);
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}
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int ota_flash_size_is_aligned(size_t len)
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{
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return OTA_IS_ALINGED(len, OTA_FLASH_WRITE_ALIGN);
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}
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