Hi,
According to Portenta Tech Spec:
"Use any of the existing industrial MKR shields on it"
But in Arduino IDE the e.g. Arduino MKR GPS Shield is inkompatible with -Arduino Portenta H7 (M7 core)-.
I tried also the libary from -SparkFun SAM-M8Q GPS Breakout- but without success.
Any idea why?
Thank you
Mario
Hello Mario,
I don't have that shield - but I took a look - and it appears it should work.
Note, you should update your Portenta to the latest firmware rev, since the GPS shield uses Serial1/UART1 and the 'older' firmware will dump a log from the WiFi I/F at boottime that will goof up the GPS device probably.
I compiled the following OK in the latest 0.1.2 IDE - note the changes added for pinMode() - just to make sure that gets remapped - the lib code probably will work without that - but for GPS.begin() you need to pass the
GPS_MODE_UART string - and it appears the lib picks Serial1.
*
GPS Location
This sketch uses the GPS to determine the location of the board
and prints it to the Serial monitor.
Circuit:
- MKR board
- MKR GPS attached via I2C cable
This example code is in the public domain.
*/
#include <Arduino_MKRGPS.h>
void setup() {
// initialize serial communications and wait for port to open:
Serial.begin(9600);
while (!Serial) {
; // wait for serial port to connect. Needed for native USB port only
}
// If you are using the MKR GPS as shield, change the next line to pass
// the GPS_MODE_SHIELD parameter to the GPS.begin(...)
pinMode(PI_0, OUTPUT); // SPI2_SS/D7 to Output EXTINT
if (!GPS.begin(GPS_MODE_UART)) {
Serial.println("Failed to initialize GPS!");
while (1);
}
}
void loop() {
// check if there is new GPS data available
if (GPS.available()) {
// read GPS values
float latitude = GPS.latitude();
float longitude = GPS.longitude();
float altitude = GPS.altitude();
float speed = GPS.speed();
int satellites = GPS.satellites();
// print GPS values
Serial.print("Location: ");
Serial.print(latitude, 7);
Serial.print(", ");
Serial.println(longitude, 7);
Serial.print("Altitude: ");
Serial.print(altitude);
Serial.println("m");
Serial.print("Ground speed: ");
Serial.print(speed);
Serial.println(" km/h");
Serial.print("Number of satellites: ");
Serial.println(satellites);
Serial.println();
}
}
I think that should work for the GPSLocation.ino file - just make sure you get the latest rev of firmware in the 1.2.2 Arduino-mbed code.
HTH,
John W.