Files
kunlun/app/iot_cus_at_app/proto/app_proto.h
2024-09-28 14:24:04 +08:00

75 lines
2.4 KiB
C

/****************************************************************************
Copyright(c) 2019 by Aerospace C.Power (Chongqing) Microelectronics. ALL RIGHTS RESERVED.
This Information is proprietary to Aerospace C.Power (Chongqing) Microelectronics and MAY NOT
be copied by any method or incorporated into another program without
the express written consent of Aerospace C.Power. This Information or any portion
thereof remains the property of Aerospace C.Power. The Information contained herein
is believed to be accurate and Aerospace C.Power assumes no responsibility or
liability for its use in any way and conveys no license or title under
any patent or copyright and makes no representation or warranty that this
Information is free from patent or copyright infringement.
****************************************************************************/
#ifndef _APP_PROTO_H_
#define _APP_PROTO_H_
#include "app_types.h"
#include "app_common.h"
#include "app_main.h"
#ifdef __cplusplus
extern "C" {
#endif
#define APP_FRAME_HEAD_BYTE (0x48)
#define APP_FRAME_MIN_LEN (10)
#define APP_FRAME_MAX_LEN (512)
#define PROTO_CTRL_DIR_DN (0x00)
#define PROTO_CTRL_DIR_UP (0x80)
#define PROTO_CTRL_DIR_MASK (0x80)
#define PROTO_CTRL_PRM_HOST (0x40)
#define PROTO_CTRL_PRM_SLAVE (0x00)
#define PROTO_CTRL_PRM_MASK (0x40)
#define PROTO_CTRL_RESPONSE (PROTO_CTRL_DIR_UP | PROTO_CTRL_PRM_SLAVE)
#define PROTO_CTRL_REQ (PROTO_CTRL_DIR_DN | PROTO_CTRL_PRM_HOST)
#define PROTO_CRC_SIZE 2
#define APP_PROTO_MSG_PARAM_INDEX0 0
#define APP_PROTO_MSG_PARAM_INDEX1 1
#define APP_PROTO_MSG_PARAM_INDEX2 2
#define APP_PROTO_MSG_PARAM_INDEX3 3
/* pack for the structures in the whole file */
#pragma pack(push) // save the pack status
#pragma pack(1) // 1 byte align
typedef struct {
uint8_t head;
uint8_t ctrl;
uint16_t cmd;
uint16_t seq;
uint16_t length;
uint8_t data[0];
} app_proto_frame_head;
typedef struct {
app_custom_data cus_data;
uint16_t payload_length; /* Data frame length */
iot_pkt_t *payload; /* Data frame payload */
} app_plc_frame_data;
#pragma pack(pop) /* restore the pack status */
void app_proto_init();
uint8_t check_app_proto_frame(uint8_t * data, uint16_t data_length);
#ifdef __cplusplus
}
#endif
#endif /* _APP_PROTO_H_ */