Files
TencentOS-tiny/components/ota/common/info/ota_info.c
2020-06-24 15:46:04 +08:00

53 lines
1.8 KiB
C

/*----------------------------------------------------------------------------
* Tencent is pleased to support the open source community by making TencentOS
* available.
*
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
* If you have downloaded a copy of the TencentOS binary from Tencent, please
* note that the TencentOS binary is licensed under the BSD 3-Clause License.
*
* If you have downloaded a copy of the TencentOS source code from Tencent,
* please note that TencentOS source code is licensed under the BSD 3-Clause
* License, except for the third-party components listed below which are
* subject to different license terms. Your integration of TencentOS into your
* own projects may require compliance with the BSD 3-Clause License, as well
* as the other licenses applicable to the third-party components included
* within TencentOS.
*---------------------------------------------------------------------------*/
#include "tos_kv.h"
#include "ota_info.h"
#include "ota_partition.h"
ota_img_vs_t ota_info_curr_version(void)
{
size_t version_len;
ota_img_vs_t version;
if (tos_kv_get("cur_version", &version, sizeof(version), &version_len) != KV_ERR_NONE) {
/* no "version" key, means we have never do a update yet
just return the initial version
*/
return ota_partition_init_version_get();
}
return version;
}
ota_err_t ota_info_update(ota_img_vs_t new_version)
{
kv_err_t err;
err = tos_kv_del("new_version");
if (err != KV_ERR_NONE && err != KV_ERR_NOT_EXIST) {
return OTA_ERR_KV_DEL_FAIL;
}
if (tos_kv_set("cur_version", &new_version, sizeof(ota_img_vs_t)) != KV_ERR_NONE) {
return OTA_ERR_KV_SET_FAIL;
}
return OTA_ERR_NONE;
}