65 lines
1.6 KiB
C
65 lines
1.6 KiB
C
/*
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*********************************************************************************************************
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* IAR Development Kits
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* on the
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*
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* M451
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*
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* Filename : uart_dtu.h
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* Version : V1.00
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* Programmer(s) : Qian Xianghong
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*********************************************************************************************************
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*/
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#ifndef USER_UART_DTU_PRESENT
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#define USER_UART_DTU_PRESENT
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#include "type.h"
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// 初始化引脚
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//void DTU_Init(void);
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// 打开设备和允许中断
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//void DTU_Open(void);
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// 任务主体
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void DTU_Task0(uint8_t c);
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void DTU_Task(void *p_arg);
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// 从服务器获取当前时间
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void DTU_setOffsetSecondsFromServer();
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// 信号量，用于通知执行任务
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extern volatile uint8_t DTU_semGPS;
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extern volatile uint8_t DTU_semGPRS;
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extern volatile uint8_t DTU_semSync;
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// 是否GPS定位
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extern volatile uint8_t GPS_Locate;
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extern volatile uint8_t GPS_Located;
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// 定位等待时间
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extern volatile uint32_t GPS_waitTick;
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extern volatile uint8_t GPS_Waiting;
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// GPS发送数据
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extern volatile uint32_t GPS_tranTick;
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// 发送成功时间
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extern volatile uint32_t DTU_succTime;
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// 强制上传数据
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extern volatile uint8_t DTU_dataConn;
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// 强制连接维护平台
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extern volatile uint8_t DTU_ldmsConn;
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extern loopbuff_t DTU_TaskM;
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// 这个缓冲区比较大，不放在stack里面
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#define DTU_GPSDATA_SIZE 120
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extern char DTU_gpsData[2][DTU_GPSDATA_SIZE]; // 扩展内存
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#define DTU_RECVBUFF_SIZE 200
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extern char DTU_recvBuff[DTU_RECVBUFF_SIZE]; // 扩展内存
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// 计算2个坐标之间的距离
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double GetDistance(int32_t lat1, int32_t lng1, int32_t lat2, int32_t lng2);
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#endif
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