113 lines
4.0 KiB
C
113 lines
4.0 KiB
C
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/****************************************************************************
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Copyright(c) 2024 by Aerospace C.Power (Chongqing) Microelectronics. ALL RIGHTS RESERVED.
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This Information is proprietary to Aerospace C.Power (Chongqing) Microelectronics and MAY NOT
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be copied by any method or incorporated into another program without
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the express written consent of Aerospace C.Power. This Information or any portion
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thereof remains the property of Aerospace C.Power. The Information contained herein
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is believed to be accurate and Aerospace C.Power assumes no responsibility or
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liability for its use in any way and conveys no license or title under
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any patent or copyright and makes no representation or warranty that this
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Information is free from patent or copyright infringement.
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****************************************************************************/
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#ifndef PROTO_WAPPER_H
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#define PROTO_WAPPER_H
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#include "os_types_api.h"
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#include "iot_utils_api.h"
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#include "iot_pkt_api.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* pack for the structures in the whole file */
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#pragma pack(push) /* save the pack status */
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#pragma pack(1) /* 1 byte align */
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/* definition frame start char */
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#define PROTO_WAPPER_START_CHAR 0x02
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/* definition frame identification domain */
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#define PROTO_WAPPER_ID_DOMAIN 0x0001
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/* definition frame command */
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#define PROTO_WAPPER_CMD_TRANS_REQ 0x77
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#define PROTO_WAPPER_CMD_TRANS_RESP 0x88
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#define PROTO_WAPPER_CMD_EVENT_REQ 0x99
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/* definition frame len number */
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#define PROTO_WAPPER_USER_DATA_LEN_NUM 2
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#define PROTO_WAPPER_HEAD_LEN_NUM 2
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/* frame head info of wapper protocol link layer frame */
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typedef struct _proto_wapper_head {
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/* start char, see PROTO_WAPPER_START_BYTE */
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uint8_t start_char;
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/* Length, Command len + User Data len + tail len */
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uint8_t len[PROTO_WAPPER_HEAD_LEN_NUM];
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/* Command, PROTO_WAPPER_CMD_XXX */
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uint8_t cmd;
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/* User Data */
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uint8_t user_data[0];
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} proto_wapper_head_t;
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/* frame user data info of wapper protocol link layer frame */
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typedef struct _proto_wapper_user_data {
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/* identification domain */
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uint16_t id_domain;
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/* source address, big endian data */
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uint16_t src_addr;
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/* destination address, big endian data */
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uint16_t dest_addr;
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/* len, control len + infomation len */
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uint8_t len[PROTO_WAPPER_USER_DATA_LEN_NUM];
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/* control */
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uint8_t ctrl;
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/* infomation */
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uint8_t info[0];
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} proto_wapper_user_data_t;
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/* frame tail info of wapper protocol link layer frame */
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typedef struct _proto_wapper_tail {
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/* CRC check data */
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uint16_t fcs;
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} proto_wapper_tail_t;
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/* proto_wapper_user_data_check() - wapper protocol user data check
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* @data: pointer to protocol data buffer
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* @len: data length
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* return
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* NULL -- Incorrect protocol format.
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* otherwise -- pointer to the wapper protocol user data.
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*/
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proto_wapper_user_data_t *proto_wapper_user_data_check(uint8_t *data,
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uint32_t len);
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/* proto_wapper_format_check() - wapper protocol format check
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* @data: pointer to protocol data buffer
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* @len: data length
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* return
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* NULL -- Incorrect protocol format.
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* otherwise -- pointer to the wapper protocol header.
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*/
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proto_wapper_head_t *proto_wapper_format_check(uint8_t *data, uint32_t len);
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/* proto_wapper_format_build() - wapper protocol format build
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* @user_data: pointer to wapper protocol user data.
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* @len: user data len.
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* @cmd: user data command.
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* return
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* NULL -- for failure case.
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* pkt -- the iot pkt buffer for wapper protocol.
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*/
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iot_pkt_t *proto_wapper_format_build(uint8_t *user_data, uint32_t len,
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uint8_t cmd);
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#ifdef __cplusplus
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}
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#endif
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#endif /* PROTO_WAPPER_H */
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