GPS北斗ATGM336H-5N模块解析后STM32串口输出例程+电路图

ID:276828 · 发表于 2018-12-16 17:27

GPS北斗ATGM336H-5N模块电路原理图如下：

单片机源程序如下:

/**********************************************************
作者：神秘藏宝室
接线说明：
STM32 GPS
VCC ------> VCC
GND ------> GND
RX1 <------ TXD
STM32 USB-TTL模块
GND ------> GND
TX1 ------> RXD
***********************************************************/
#include "stm32f10x.h"
#include "delay.h"
#include "usart.h"
#include "led.h"
//声明
void errorLog(int num);
void parseGpsBuffer(void);
void printGpsBuffer(void);
int main(void)
{
delay_init();
NVIC_Configuration(); //设置NVIC中断分组2:2位抢占优先级，2位响应优先级
uart_init(9600); //串口初始化为9600
Init_LEDpin();
LED1 = 1;
clrStruct();
printf("Welcome to use!\r\n");
printf("ILoveMcu.taobao.com!\r\n");
while(1)
{
parseGpsBuffer();
printGpsBuffer();
}
}
void errorLog(int num)
{
while (1)
{
printf("ERROR%d\r\n",num);
}
}
void parseGpsBuffer()
{
char *subString;
char *subStringNext;
char i = 0;
if (Save_Data.isGetData)
{
Save_Data.isGetData = false;
printf("**************\r\n");
printf(Save_Data.GPS_Buffer);
for (i = 0 ; i <= 6 ; i++)
{
if (i == 0)
{
if ((subString = strstr(Save_Data.GPS_Buffer, ",")) == NULL)
errorLog(1); //解析错误
}
else
{
subString++;
if ((subStringNext = strstr(subString, ",")) != NULL)
{
char usefullBuffer[2];
switch(i)
{
case 1:memcpy(Save_Data.UTCTime, subString, subStringNext - subString);break; //获取UTC时间
case 2:memcpy(usefullBuffer, subString, subStringNext - subString);break; //获取UTC时间
case 3:memcpy(Save_Data.latitude, subString, subStringNext - subString);break; //获取纬度信息
case 4:memcpy(Save_Data.N_S, subString, subStringNext - subString);break; //获取N/S
case 5:memcpy(Save_Data.longitude, subString, subStringNext - subString);break; //获取经度信息
case 6:memcpy(Save_Data.E_W, subString, subStringNext - subString);break; //获取E/W
default:break;
}
subString = subStringNext;
Save_Data.isParseData = true;
if(usefullBuffer[0] == 'A')
Save_Data.isUsefull = true;
else if(usefullBuffer[0] == 'V')
Save_Data.isUsefull = false;
}
else
{
errorLog(2); //解析错误
}
}
}
}
}
void printGpsBuffer()
{
if (Save_Data.isParseData)
{
Save_Data.isParseData = false;
printf("Save_Data.UTCTime = ");
printf(Save_Data.UTCTime);
printf("\r\n");
if(Save_Data.isUsefull)
{
Save_Data.isUsefull = false;
printf("Save_Data.latitude = ");
printf(Save_Data.latitude);
printf("\r\n");
printf("Save_Data.N_S = ");
printf(Save_Data.N_S);
printf("\r\n");
printf("Save_Data.longitude = ");
printf(Save_Data.longitude);
printf("\r\n");
printf("Save_Data.E_W = ");
printf(Save_Data.E_W);
printf("\r\n");
}
else
{
printf("GPS DATA is not usefull!\r\n");
}
}
}