126 lines
3.6 KiB
C
126 lines
3.6 KiB
C
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/*------------------------------------------------------------
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// Copyright (c) 2022 SmartLogic.
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// ALL RIGHTS RESERVED
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// -----------------------------------------------------------------
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// Filename : stc_drv.c
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// Author : weihua.li
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// Created On : 2022-11-23
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// Last Modified :
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// -----------------------------------------------------------------
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// Description:
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//
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//
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// ----------------------------------------------------------------*/
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#ifndef __LC98S_DRV_H__
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#define __LC98S_DRV_H__
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#define NUMCHN 20
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#define GPS_TX_BUF_SIZE 256
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#define GPS_RX_BUF_SIZE 1024
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#define GPS_SEM_NUM 13
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#define HALF_BUFSIZE 511
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#define MY_IPCKEY 0x10005500
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#define MIN(x,y) ((x)<(y)?(x):(y))
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#define MAX(x,y) ((x)>(y)?(x):(y))
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#define GPS_SECONDS(tow,wnum) (604800*(wnum) + (tow))
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#define MOD_2N(x,y) ((x) & (y-1))
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#define GPS_FIX_OK 0x03
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#define NAV_ALMANACH 0x04
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/* arg for semctl system calls. */
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union semun {
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int val; /* value for SETVAL */
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struct semid_ds *buf; /* buffer for IPC_STAT & IPC_SET */
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unsigned short *array; /* array for GETALL & SETALL */
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struct seminfo *__buf; /* buffer for IPC_INFO */
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};
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typedef struct
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{
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int32_t latitude; /*degree 1e-7*/
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int32_t longitude;/*degree 1e-7*/
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int32_t altitude; /*millimeter*/
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uint8_t gps_fix;
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uint8_t fix_flag;
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uint32_t time_of_week;
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uint8_t valid_flag;
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int8_t leap_sec;
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uint16_t week_number;
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uint8_t num_ch;
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int16_t cab_dly; /*cable delay time,uint:ns*/
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uint32_t pulse_width; /*Length of time pulse*/
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int8_t pps_status; /*PPS: >0,postive; =0,no;<0, negative*/
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uint8_t ant_state;
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uint8_t sw_version[30];
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uint8_t hw_version[10];
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uint8_t sta_id[NUMCHN]; /*satellite ID*/
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uint8_t cno[NUMCHN]; /*Carrier to Noise Ratio (Signal Strength)*/
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uint8_t tracking_num;
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uint8_t visable_num;
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uint8_t sig_over_high;
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uint8_t lock_state; /*1: gps lock 0: gps unlock*/
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}drv_gps_msg_s;
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/********************************************************************/
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typedef struct
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{
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uint8_t recv_buf[GPS_RX_BUF_SIZE];
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/*union
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{
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uint32_t whole;
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struct
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{
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uint16_t recv_ptr; //接收指针
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uint16_t deal_ptr; //处理指针
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}
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}*/
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uint16_t recv_ptr; /*接收指针*/
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uint16_t deal_ptr; /*处理指针*/
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uint16_t recv_cnt; /*最新接收到的消息长<E681AF><E995BF>?*/
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uint16_t deal_cnt; /*未处理消息长<E681AF><E995BF>?*/
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int32_t send_sem;
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uint8_t *send_buf_ptr;
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uint16_t send_cnt; /*待发送消息长<E681AF><E995BF>?*/
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uint16_t frame_flag; //帧头
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}gps_uart_s;
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typedef struct
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{
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int32_t latitude; //纬度 单位：度/1e-7
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int32_t longitude; //经度 单位：度/1e-7
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int32_t altitude; //高度 单位：毫<EFBC9A><E6AFAB>?
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}location_info_s;
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typedef struct
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{
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uint8_t lock_flag; /* GPS Fixed ok */
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uint8_t leap_valid; /* leap second valid */
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uint8_t view_sats; /* Satellites in view */
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uint8_t track_sats; /* Satellites under tracking */
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uint8_t survey_in; /*0 not in Survey-in mode*/
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uint8_t alma_complete; /* 0 Calendar not complete */
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uint8_t resv[2]; /* resv*/
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float sig_level[12]; /* signal level of satellites */
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}tracking_info_s;
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int32_t drv_tfu_gps_init(void);
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void drv_gps_recv_task(void);
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int32_t init_clock_module(void);
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int32_t get_receiver_fix_status();
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int32_t get_src_time(time_t* time_ptr);
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#ifdef __cplusplus
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#if __cplusplus
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}
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#endif
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#endif
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#endif
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/**********************************************************************/
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