#include
#include "wiring_private.h"
#define BG77_PWRKEY_PA27 26 /* PWRKEY */
#define BG77_RSYTKEY_PA08 27 /* RSTKEY */

#define BG77Serial Serial2

void setup() {
pinMode(BG77_PWRKEY_PA27, OUTPUT);
digitalWrite(BG77_PWRKEY_PA27, LOW);
delay(100);
digitalWrite(BG77_PWRKEY_PA27, HIGH); // 啟動BG77模組
delay(2000);
digitalWrite(BG77_PWRKEY_PA27, LOW);
delay(1000);
BG77Serial.begin(115200); // 初始化BG77串口，設定鮑率為115200
Serial.begin(9600); // 初始化USB串口，設定鮑率為9600
while (!Serial) {
;
}

}

void loop() {
if (BG77Serial.available()) { // 檢查BG77串口是否有數據
int c = Serial2.read(); //讀取軟BG77串口的數據
Serial.write(c); //輸出到USB串口
}

if ( Serial.available()) { //檢查USB串口是否有數據
int c = Serial.read(); // 讀取軟USB串口的數據
BG77Serial.write(c); // 輸出到BG77串口
}
}

#include
#include "wiring_private.h"
#define BG77_PWRKEY_PA27 26 /* PWRKEY */
#define BG77_RSYTKEY_PA08 27 /* RSTKEY */
#define BG77_GPS 9 /* GPS Status */
#define BG77Serial Serial2 // BG77 對映MTDuino_NBGPS 格板Serial2
#define BG77 Serial2 // BG77 對映MTDuino_NBGPS 格板Serial2

String gpsData = "";
long gettry=0;

void setup(void) {
BG77Serial.begin(115200); // 初始化BG77串口，設定鮑率為115200
Serial.begin(115200); // 初始化USB串口，設定鮑率為115200
delay(100);
pinMode(BG77_PWRKEY_PA27, OUTPUT);
pinMode(BG77_GPS, OUTPUT);
digitalWrite(BG77_PWRKEY_PA27, LOW);
delay(1000);
digitalWrite(BG77_PWRKEY_PA27, HIGH);
delay(2000);
digitalWrite(BG77_PWRKEY_PA27, LOW);
delay(1000);

Serial.println("BG77模塊已啟動");
BG77Serial.println("ATE0");
sendATcommand("AT","OK",5000);
sendATcommand("AT+QGPSCFG="priority",0","OK",1000);
sendATcommand("AT+QGPSCFG="autogps",1", "OK",1000); // 設置模組自動啟動GPS定位
sendATcommand("AT+QGPSEND","OK",1000); // 停止GPS定位
sendATcommand("AT+QGPS=1","OK",2000); // 啟動GPS定位
Serial.println("BG77模塊GPS已啟動");
for(int i=1;i<5;i++) { digitalWrite(BG77_GPS, HIGH); delay(100); digitalWrite(BG77_GPS, LOW); delay(100); } } void loop(void) { gpsData=sendATcommand("AT+QGPSLOC=2", "+QGPSLOC: ", 3000); //獲取GPS定位數據 if (gpsData.indexOf("+QGPSLOC: ") != -1 ) { gpsData=gpsData.substring(0,gpsData.indexOf("\r\n")); Serial.println(gpsData); //Serial.print("GPS位置:"); //讀取成功中LED閃爍100ms digitalWrite(BG77_GPS, HIGH); delay(100); digitalWrite(BG77_GPS, LOW); String location = gpsData.substring(gpsData.indexOf(":") + 1); // Parser 讀取資料字串 int comma1 = location.indexOf(","); int comma2 = location.indexOf(",", comma1 + 1); int comma3 = location.indexOf(",", comma2 + 1); int comma4 = location.indexOf(",", comma3 + 1); int comma5 = location.indexOf(",", comma4 + 1); int comma6 = location.indexOf(",", comma5 + 1); int comma7 = location.indexOf(",", comma6 + 1); int comma8 = location.indexOf(",", comma7 + 1); int comma9 = location.indexOf(",", comma8 + 1); int comma10 = location.indexOf(",", comma9 + 1); // Extract latitude and longitude String latitude = location.substring(comma1 + 1, comma2); String longitude = location.substring(comma2 + 1, comma3); // Extract date and time String time = location.substring(0,comma1); String date = location.substring(comma9 + 1, comma10); // Convert time to Taiwan date time Serial.print(date); Serial.print(","); Serial.println(time); int year = date.substring(4, 6).toInt() + 2000; int month = date.substring(2, 4).toInt(); int day = date.substring(0, 2).toInt(); int hour = time.substring(0, 2).toInt() ; hour+= 8; // Convert to Taiwan time if(hour>23) {hour-=24; day+=1;}
int minute = time.substring(2, 4).toInt();
int second = time.substring(4, 6).toInt();

Serial.print("Date: ");
Serial.print(year);
Serial.print("/");
Serial.print(month);
Serial.print("/");
Serial.println(day);
Serial.print("Time: ");
Serial.print(hour);
Serial.print(":");
Serial.print(minute);
Serial.print(":");
Serial.println(second);
Serial.print("Latitude: ");
Serial.println(latitude);
Serial.print("Longitude: ");
Serial.println(longitude);
}
else {
gettry+=1;
Serial.print("GPS定位中...");
Serial.println(gettry);
}

delay(1000);

}

String sendATcommand(String command, String expectedResponse, int timeout) {
String response = "";
BG77Serial.println(command); // 發送AT指令
long int time = millis();
while ((time + timeout) > millis()) {
while (BG77Serial.available()) {
//delay(1);
char c = BG77Serial.read();
//Serial.print(c);
response += c;
if (response.indexOf(expectedResponse) != -1) {
return response;
}

}
}
}