97 lines
2.9 KiB
C
97 lines
2.9 KiB
C
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/****************************************************************************
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Copyright(c) 2019 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 _IOT_BT_EXT_PROTOCOL_H_
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#define _IOT_BT_EXT_PROTOCOL_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "os_types_api.h"
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#include "os_utils_api.h"
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/* plc bluetooth protocol information */
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/* protocol format
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* start_code(2) + version(1) + port(1) + crc(2) + payload len(2)
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* + payload(n) + end_code(2)
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*/
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/* packet start code */
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#define IOT_BT_EXT_PROTO_START_CODE 0x24
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/* packet end code */
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#define IOT_BT_EXT_PROTO_END_CODE 0x42
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/* start code fields length */
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#define IOT_BT_EXT_PROTO_START_LEN 2
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/* end code fields length */
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#define IOT_BT_EXT_PROTO_END_LEN 2
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/* payload_len field length */
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#define IOT_BT_EXT_PROTO_PL_LEN_FIELD_LEN 2
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/* min packet length(none payload) */
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#define IOT_BT_EXT_PROTO_PACKET_MIN_LEN (sizeof(iot_bt_ext_proto_hdr_t) \
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+ sizeof(iot_bt_ext_proto_start_t) + sizeof(iot_bt_ext_proto_end_t))
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/* plc bt protocol version */
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#define IOT_BT_EXT_PROTO_VERSION 0
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typedef enum {
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/* at command port, not support */
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IOT_BT_EXT_PORT_AT_CMD = 0,
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/* current protocol/device port, not support */
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IOT_BT_EXT_PORT_PROTO = 1,
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/* upgrade port */
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IOT_BT_EXT_PORT_UPGRADE = 2,
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/* device management port */
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IOT_BT_EXT_PORT_DEV_MGMT = 3,
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/* port id max id */
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IOT_BT_EXT_PORT_SUB_NUM,
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} IOT_BT_EXT_PORT_SUB_ID;
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#pragma pack(push)
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#pragma pack(1)
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/* plc bt protocol typedef */
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/* plc bt protocol start filed */
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typedef struct _iot_bt_ext_proto_start {
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/* start sync code */
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uint8_t start[IOT_BT_EXT_PROTO_START_LEN];
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} iot_bt_ext_proto_start_t;
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/* plc bt protocol header filed */
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typedef struct _iot_bt_ext_proto_hdr {
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/* protocol version number */
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uint8_t version;
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/* communication port, see IOT_BT_EXT_PROTO_PORT_XXX */
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uint8_t port;
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/* payload crc */
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uint16_t crc;
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/* payload length */
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uint16_t length;
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} iot_bt_ext_proto_hdr_t;
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/* plc bt protocol end filed */
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typedef struct _iot_bt_ext_proto_end {
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/* end sync code */
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uint8_t end[IOT_BT_EXT_PROTO_END_LEN];
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} iot_bt_ext_proto_end_t;
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#pragma pack(pop)
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#ifdef __cplusplus
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}
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#endif
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#endif
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