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
181 lines
6.1 KiB
C
181 lines
6.1 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.
|
|
*---------------------------------------------------------------------------*/
|
|
|
|
#ifndef _TOS_BINARY_HEAP_H_
|
|
#define _TOS_BINARY_HEAP_H_
|
|
|
|
__CDECLS_BEGIN
|
|
|
|
typedef int (*k_bin_heap_cmp)(void *first, void *second);
|
|
|
|
typedef struct k_binary_heap_st {
|
|
knl_obj_t knl_obj;
|
|
|
|
size_t total;
|
|
|
|
k_bin_heap_cmp cmp;
|
|
size_t item_size;
|
|
size_t item_cnt;
|
|
uint8_t *pool;
|
|
} k_bin_heap_t;
|
|
|
|
#define BIN_HEAP_FIRST_ITEM(bin_heap) (void *)(&bin_heap->pool[0])
|
|
#define BIN_HEAP_LAST_ITEM(bin_heap) (void *)(&bin_heap->pool[bin_heap->total * bin_heap->item_size])
|
|
#define BIN_HEAP_THE_ITEM(bin_heap, index) (void *)(&bin_heap->pool[index * bin_heap->item_size])
|
|
|
|
#define BIN_HEAP_PARENT(index) ((index - 1) / 2)
|
|
#define BIN_HEAP_RCHILD(index) (2 * (index + 1))
|
|
#define BIN_HEAP_LSIBLING(index) (index - 1)
|
|
|
|
/**
|
|
* @brief Create a binary heap.
|
|
* create a binary heap.
|
|
*
|
|
* @attention None
|
|
*
|
|
* @param[in] bin_heap pointer to the handler of the binary heap.
|
|
* @param[in] pool pool buffer of the binary heap.
|
|
* @param[in] item_cnt item count of the binary heap.
|
|
* @param[in] item_size size of each item of the binary heap.
|
|
* @param[in] cmp compare function to determine two items which is bigger or smaller.
|
|
*
|
|
* @return errcode
|
|
* @retval #K_ERR_NONE return successfully.
|
|
*/
|
|
__API__ k_err_t tos_bin_heap_create(k_bin_heap_t *bin_heap, void *pool, size_t item_cnt, size_t item_size, k_bin_heap_cmp cmp);
|
|
|
|
/**
|
|
* @brief Destroy a binary heap.
|
|
* destroy a binary heap.
|
|
*
|
|
* @attention None
|
|
*
|
|
* @param[in] bin_heap pointer to the handler of the binary heap.
|
|
*
|
|
* @return errcode
|
|
* @retval #K_ERR_NONE return successfully.
|
|
*/
|
|
__API__ k_err_t tos_bin_heap_destroy(k_bin_heap_t *bin_heap);
|
|
|
|
/**
|
|
* @brief Create a binary heap with a dynamic allocated pool.
|
|
* create a binary heap with a dynamic allocated pool.
|
|
*
|
|
* @attention None
|
|
*
|
|
* @param[in] bin_heap pointer to the handler of the binary heap.
|
|
* @param[in] item_cnt item count of the binary heap.
|
|
* @param[in] item_size size of each item of the binary heap.
|
|
* @param[in] cmp compare function to determine two items which is bigger or smaller.
|
|
*
|
|
* @return errcode
|
|
* @retval #K_ERR_NONE return successfully.
|
|
*/
|
|
__API__ k_err_t tos_bin_heap_create_dyn(k_bin_heap_t *bin_heap, size_t item_cnt, size_t item_size, k_bin_heap_cmp cmp);
|
|
|
|
/**
|
|
* @brief Destroy a binary heap with a dynamic allocated pool.
|
|
* destroy a binary heap with a dynamic allocated pool.
|
|
*
|
|
* @attention None
|
|
*
|
|
* @param[in] bin_heap pointer to the handler of the binary heap.
|
|
*
|
|
* @return errcode
|
|
* @retval #K_ERR_NONE return successfully.
|
|
*/
|
|
__API__ k_err_t tos_bin_heap_destroy_dyn(k_bin_heap_t *bin_heap);
|
|
|
|
/**
|
|
* @brief Push an item.
|
|
* push an item into the binary heap.
|
|
*
|
|
* @attention None
|
|
*
|
|
* @param[in] bin_heap pointer to the handler of the binary heap.
|
|
* @param[in] item the item to be pushed.
|
|
* @param[in] item_size size of the item(should be consistent with the item_size passed to tos_bin_heap_create).
|
|
*
|
|
* @return errcode
|
|
* @retval #K_ERR_NONE return successfully.
|
|
* @retval #K_ERR_BIN_HEAP_ITEM_SIZE_NOT_MATCH the item_size is not consistent with the item_size passed to tos_bin_heap_create.
|
|
* @retval #K_ERR_BIN_HEAP_FULL the binary heap is full.
|
|
*/
|
|
__API__ k_err_t tos_bin_heap_push(k_bin_heap_t *bin_heap, void *item, size_t item_size);
|
|
|
|
/**
|
|
* @brief Pop an item.
|
|
* pop an item from the binary heap.
|
|
*
|
|
* @attention None
|
|
*
|
|
* @param[in] bin_heap pointer to the handler of the binary heap.
|
|
* @param[out] item buffer to hold the item poped.
|
|
* @param[out] item_size size of the item poped(should be consistent with the item_size passed to tos_bin_heap_create).
|
|
*
|
|
* @return errcode
|
|
* @retval #K_ERR_NONE return successfully.
|
|
* @retval #K_ERR_BIN_HEAP_EMPTY the ring queue is empty.
|
|
*/
|
|
__API__ k_err_t tos_bin_heap_pop(k_bin_heap_t *bin_heap, void *item, size_t *item_size);
|
|
|
|
/**
|
|
* @brief Flush the binary heap.
|
|
* flush the binary heap.
|
|
*
|
|
* @attention None
|
|
*
|
|
* @param[in] bin_heap pointer to the handler of the binary heap.
|
|
*
|
|
* @return errcode
|
|
* @retval #K_ERR_NONE return successfully.
|
|
*/
|
|
__API__ k_err_t tos_bin_heap_flush(k_bin_heap_t *bin_heap);
|
|
|
|
/**
|
|
* @brief Whether the binary heap is empty.
|
|
* Whether the binary heap is empty.
|
|
*
|
|
* @attention None
|
|
*
|
|
* @param[in] bin_heap pointer to the handler of the binary heap.
|
|
*
|
|
* @return whether the binary heap is emtpy.
|
|
* @retval #0 the binary heap is not empty.
|
|
* @retval #Not 0 the binary heap is empty.
|
|
*/
|
|
__API__ int tos_bin_heap_is_empty(k_bin_heap_t *bin_heap);
|
|
|
|
/**
|
|
* @brief Whether the binary heap is full.
|
|
* Whether the binary heap is full.
|
|
*
|
|
* @attention None
|
|
*
|
|
* @param[in] bin_heap pointer to the handler of the binary heap.
|
|
*
|
|
* @return whether the binary hea is full.
|
|
* @retval #0 the binary hea is not full.
|
|
* @retval #Not 0 the binary hea is full.
|
|
*/
|
|
__API__ int tos_bin_heap_is_full(k_bin_heap_t *bin_heap);
|
|
|
|
__CDECLS_END
|
|
|
|
#endif /* _TOS_BINARY_HEAP_H_ */
|
|
|