92 lines
2.6 KiB
Arduino
92 lines
2.6 KiB
Arduino
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/*
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*******************************************************************************
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* Copyright (c) 2021 by M5Stack
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* Equipped with Atom-Lite/Matrix sample source code
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* 配套 Atom-Lite/Matrix 示例源代码
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* Visit for more information: https://docs.m5stack.com/en/atom/atomicgps
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* 获取更多资料请访问：https://docs.m5stack.com/zh_CN/atom/atomicgps
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*
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* Product: GPS.
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* Date: 2021/9/1
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*******************************************************************************
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This is an example used SerialBT,you can can view gps data by connecting
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to Bluetooth assistant on your mobilephone or Serial Monitor
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the GPS log will be written to SD card
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这是一个使用串行BT的示例，您可以通过连接到手机或串行监视器上的蓝牙助手来查看GPS数据。GPS日志将写入SD卡
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*/
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#include "M5Atom.h"
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#include "GPSAnalyse.h"
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#include <SPI.h>
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#include "FS.h"
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#include <SD.h>
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#include <BluetoothSerial.h>
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BluetoothSerial SerialBT;
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GPSAnalyse GPS;
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uint64_t chipid;
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char chipname[256];
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const char filename[] = "/GPSdata.txt";
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File txtFile;
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float Lat;
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float Lon;
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String Utc;
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bool writeLog(
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String filename) { // Write GPSdata to SDcard. 将 GPS 数据写入 SD 卡
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txtFile = SD.open(filename, FILE_APPEND);
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if (txtFile) {
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txtFile.print(Lat);
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txtFile.print(", ");
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txtFile.print(Lon);
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txtFile.print(", ");
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txtFile.println(Utc);
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txtFile.close();
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} else {
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return false;
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}
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return true;
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}
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void setup() {
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M5.begin(true, false, true);
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chipid = ESP.getEfuseMac();
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sprintf(chipname, "SerialBT_%04X", (uint16_t)(chipid >> 32));
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Serial.printf("Bluetooth: %s\n", chipname);
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SPI.begin(23, 33, 19, -1);
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if (!SD.begin(-1, SPI, 40000000)) {
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Serial.println("initialization failed!");
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}
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sdcard_type_t Type = SD.cardType();
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Serial.printf("SDCard Type = %d \r\n", Type);
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Serial.printf("SDCard Size = %d \r\n", (int)(SD.cardSize() / 1024 / 1024));
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M5.dis.fillpix(0x00004f);
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Serial1.begin(9600, SERIAL_8N1, 22, -1);
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SerialBT.begin(chipname);
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GPS.setTaskName("GPS");
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GPS.setTaskPriority(2);
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GPS.setSerialPtr(Serial1);
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GPS.start();
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}
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void loop() {
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GPS.upDate();
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Lat = GPS.s_GNRMC.Latitude;
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Lon = GPS.s_GNRMC.Longitude;
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Utc = GPS.s_GNRMC.Utc;
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SerialBT.printf("Latitude= %.5f \r\n", Lat);
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SerialBT.printf("Longitude= %.5f \r\n", Lon);
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SerialBT.printf("DATA= %s \r\n", Utc);
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Serial.printf("Latitude= %.5f \r\n", Lat);
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Serial.printf("Longitude= %.5f \r\n", Lon);
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Serial.printf("DATA= %s \r\n", Utc);
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writeLog(filename);
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delay(1000);
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}
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