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
54 lines
1.7 KiB
C
54 lines
1.7 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 "tos_kv.h"
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#include "ota_image.h"
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#include "ota_info.h"
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#include "ota_partition.h"
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ota_img_vs_t ota_info_curr_version(void)
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{
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size_t version_len;
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ota_img_vs_t version;
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if (tos_kv_get("cur_version", &version, sizeof(version), &version_len) != KV_ERR_NONE) {
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/* no "version" key, means we have never do a update yet
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just return the initial version
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*/
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return ota_partition_init_version_get();
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}
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return version;
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}
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int ota_info_update(ota_img_vs_t new_version)
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{
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kv_err_t err;
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err = tos_kv_del("new_version");
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if (err != KV_ERR_NONE && err != KV_ERR_NOT_EXIST) {
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return -1;
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}
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if (tos_kv_set("cur_version", &new_version, sizeof(ota_img_vs_t)) != KV_ERR_NONE) {
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return -1;
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}
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return 0;
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}
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