83 lines
2.7 KiB
C++
83 lines
2.7 KiB
C++
/*
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Test baud rate changes on serial, factory reset, and hard reset.
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Base on SparkFun_Ublox_Arduino_Library //https://github.com/sparkfun/SparkFun_Ublox_Arduino_Library
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*/
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#include "SparkFun_Ublox_Arduino_Library.h"
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#include "utilities.h"
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SFE_UBLOX_GPS myGPS;
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int state = 0; // steps through auto-baud, reset, etc states
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void setup()
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{
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initBoard();
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// When the power is turned on, a delay is required.
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delay(1500);
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Serial.println("SparkFun Ublox Example");
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}
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void loop()
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{
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Serial.print("===== STATE ");
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Serial.println(state);
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switch (state) {
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case 0: // auto-baud connection, then switch to 38400 and save config
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do {
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Serial.println("GPS: trying 38400 baud");
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Serial1.begin(38400, SERIAL_8N1, GPS_RX_PIN, GPS_TX_PIN);
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if (myGPS.begin(Serial1)) break;
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delay(100);
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Serial.println("GPS: trying 9600 baud");
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Serial1.begin(9600, SERIAL_8N1, GPS_RX_PIN, GPS_TX_PIN);
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if (myGPS.begin(Serial1)) {
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Serial.println("GPS: connected at 9600 baud, switching to 38400");
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myGPS.setSerialRate(38400);
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delay(100);
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} else {
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delay(2000); //Wait a bit before trying again to limit the Serial output flood
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}
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} while (1);
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myGPS.setUART1Output(COM_TYPE_UBX); //Set the UART port to output UBX only
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myGPS.saveConfiguration(); //Save the current settings to flash and BBR
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Serial.println("GPS serial connected, saved config");
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state++;
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break;
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case 1: // hardReset, expect to see GPS back at 38400 baud
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Serial.println("Issuing hardReset (cold start)");
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myGPS.hardReset();
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delay(1000);
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Serial1.begin(38400, SERIAL_8N1, GPS_RX_PIN, GPS_TX_PIN);
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if (myGPS.begin(Serial1)) {
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Serial.println("Success.");
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state++;
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} else {
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Serial.println("*** GPS did not respond at 38400 baud, starting over.");
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state = 0;
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}
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break;
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case 2: // factoryReset, expect to see GPS back at 9600 baud
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Serial.println("Issuing factoryReset");
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myGPS.factoryReset();
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delay(2000); // takes more than one second... a loop to resync would be best
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Serial1.begin(9600, SERIAL_8N1, GPS_RX_PIN, GPS_TX_PIN);
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if (myGPS.begin(Serial1)) {
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Serial.println("Success.");
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state++;
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} else {
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Serial.println("*** GPS did not come back at 9600 baud, starting over.");
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state = 0;
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}
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break;
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case 3: // print version info
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state = 0;
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Serial.println("Reset Done");
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while (1) {
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delay(10000);
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}
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}
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delay(1000);
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}
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