- const short int USART2_MAX_RECV_LEN = 200;
- char USAR2_RX_BUF[USART2_MAX_RECV_LEN];
- const short int GPS_Buffer_Length = 200;
- struct Data Save_Data;
- void parseGpsBuffer(void){
- char *subString;
- char *subStringNext;
- int i = 0;
- if(Save_Data.isGetData)
- {
- Save_Data.isGetData = FALSE;
- printf("*****************\r\n");
- printf("%s",Save_Data.GPS_Buffer);
-
- for(i = 0; i <= 6; i++){
- if(i == 0){
- if((subString = strstr(Save_Data.GPS_Buffer, ",")) == NULL)
- printf("解析错误");
- }
- else{
- subString++;//到达解析数据中逗号的下一位
- if((subStringNext = strstr(subString, ",")) != NULL)
- {
- char usefullBuffer[2];
- switch(i){
- case 1:
- //利用subStringNext和subString的首地址相减来确定指针开辟空间的大小，以防指针不合法。
- Save_Data.UTCTime = (char *)malloc((subStringNext - subString)*sizeof(char));
- memcpy(Save_Data.UTCTime, subString, subStringNext - subString);
- break;
- case 2: memcpy(usefullBuffer, subString, subStringNext - subString); break;
- case 3: Save_Data.latitude = (char *)malloc((subStringNext - subString)*sizeof(char));
- memcpy(Save_Data.latitude, subString, subStringNext - subString);
- break;
- case 4: Save_Data.N_S = (char *)malloc((subStringNext - subString)*sizeof(char));
- memcpy(Save_Data.N_S, subString, subStringNext - subString);
- break;
- case 5: Save_Data.longitude = (char *)malloc((subStringNext - subString)*sizeof(char));
- memcpy(Save_Data.longitude, subString, subStringNext - subString);
- break;
- case 6: Save_Data.E_W = (char *)malloc((subStringNext - subString)*sizeof(char));
- memcpy(Save_Data.E_W, subString, subStringNext - subString);
- break;
- 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{
- printf("解析错误2");
- }
- }
- }
- }
- }
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