Add GPS to exported libraries

.github/workflows/compile-examples.yml

@@ -64,6 +64,7 @@ jobs:
             additional-libraries: |
               - name: lvgl
                 version: 7.11.0
+              - name: MicroNMEA
             additional-sketch-paths: |
               - libraries/PDM
               - libraries/doom
@@ -80,6 +81,7 @@ jobs:
               - libraries/USBHOST
               - libraries/USBMSD/examples/AccessFlashAsUSBDisk
               - libraries/WiFi
+              - libraries/GSM
           - board:
               fqbn: arduino:mbed:nanorp2040connect
             additional-sketch-paths: |

libraries/GSM/examples/GNSSClient/GNSSClient.ino

@@ -1,8 +1,6 @@
 #include <GPS.h>
 #include <GSM.h>
 
-REDIRECT_STDOUT_TO(Serial);
-
 #include "arduino_secrets.h"
 char pin[]      = SECRET_PIN;
 char apn[]      = SECRET_APN;
@@ -26,6 +24,8 @@ void setup() {
 }
 
 void loop() {
+  // Print out raw NMEA strings.
+  // For parsed output look at the MicroNMEA_integration example.
   if(GPS.available()){
     Serial.print((char) GPS.read());
     delay(1);

libraries/GSM/examples/MicroNMEA_integration/MicroNMEA_integration.ino

@@ -1,92 +1,124 @@
+#include <GPS.h>
 #include <GSM.h>
 #include <MicroNMEA.h>
 
 #include "arduino_secrets.h"
-char pin[]      = SECRET_PIN;
-char apn[]      = SECRET_APN;
-char username[] = SECRET_USERNAME;
-char pass[]     = SECRET_PASSWORD;
-
-void mycallback(char * output);
-
-void setup() {
-  Serial.begin(115200);
-  while (!Serial) {}
-  //GSM.debug(Serial);
-  Serial.println("\nStarting connection to server...");
-  GSM.begin(pin, apn, username, pass, CATNB);
-  Serial.println("\nStarting connection ...");
-
-  Serial.println("\nEnable GNSS Engine...");
-  GSM.beginGNSS(mycallback);
-  GSM.startGNSS();
-}
+constexpr auto pin { SECRET_PIN };
+constexpr auto apn { SECRET_APN };
+constexpr auto username { SECRET_USERNAME };
+constexpr auto pass { SECRET_PASSWORD };
 
 char nmeaBuffer[100];
 MicroNMEA nmea(nmeaBuffer, sizeof(nmeaBuffer));
 
-void loop() {
-
-  delay(1000);
-
-  // Output GPS information from previous second
-  Serial.print("Valid fix: ");
-  Serial.println(nmea.isValid() ? "yes" : "no");
-
-  if (nmea.isValid()) {
-
-    Serial.print("Nav. system: ");
-    if (nmea.getNavSystem())
-      Serial.println(nmea.getNavSystem());
-    else
-      Serial.println("none");
-
-    Serial.print("Num. satellites: ");
-    Serial.println(nmea.getNumSatellites());
-
-    Serial.print("HDOP: ");
-    Serial.println(nmea.getHDOP() / 10., 1);
-
-    Serial.print("Date/time: ");
-    Serial.print(nmea.getYear());
-    Serial.print('-');
-    Serial.print(int(nmea.getMonth()));
-    Serial.print('-');
-    Serial.print(int(nmea.getDay()));
-    Serial.print('T');
-    Serial.print(int(nmea.getHour()));
-    Serial.print(':');
-    Serial.print(int(nmea.getMinute()));
-    Serial.print(':');
-    Serial.println(int(nmea.getSecond()));
-
-    long latitude_mdeg = nmea.getLatitude();
-    long longitude_mdeg = nmea.getLongitude();
-    Serial.print("Latitude (deg): ");
-    Serial.println(latitude_mdeg / 1000000., 6);
-
-    Serial.print("Longitude (deg): ");
-    Serial.println(longitude_mdeg / 1000000., 6);
-
-    long alt;
-    Serial.print("Altitude (m): ");
-    if (nmea.getAltitude(alt))
-      Serial.println(alt / 1000., 3);
-    else
-      Serial.println("not available");
-
-    Serial.print("Speed: ");
-    Serial.println(nmea.getSpeed() / 1000., 3);
-    Serial.print("Course: ");
-    Serial.println(nmea.getCourse() / 1000., 3);
-  }
+// Keep track of NMEA string processing
+auto nmeaProcessStatus { false };
+
+// Check for valid fix every checkValidInterval ms
+constexpr unsigned long checkValidInterval { 5000 };
+unsigned long checkValidNow {};
+
+void setup()
+{
+    Serial.begin(115200);
+    for (const auto timeout = millis() + 2500; !Serial && millis() < timeout; delay(250))
+        ;
+
+    // GSM.debug(Serial);
+    delay(1000);
+
+    Serial.println("Starting Carrier Network registration");
+    if (!GSM.begin(pin, apn, username, pass, CATNB)) {
+        Serial.println("The board was not able to register to the network...");
+        // do nothing forevermore:
+        while (1)
+            ;
+    }
+    Serial.println("Enable GNSS Engine...");
+    // GPS.begin() start and eanble the GNSS engine
+    GPS.begin();
+    Serial.println("GNSS Engine enabled...");
+    Serial.println("Waiting for a valid fix.");
+
+    checkValidNow = millis();
 }
 
-void mycallback(char * output)
+void loop()
 {
-  for (size_t i = 0; i < strlen(output); i++) {
-    nmea.process(output[i]);
-  }
-  nmea.process('\0');
-  //Serial.println(output);
+    while (GPS.available()) {
+        char c = GPS.read();
+        // process is true when a valid NMEA string has been processed
+        nmeaProcessStatus = nmea.process(c);
+    }
+
+    if (nmeaProcessStatus && millis() > checkValidNow) {
+        checkValidNow = millis() + checkValidInterval;
+
+        // Output GPS information from previous second
+        Serial.print("Valid fix: ");
+        Serial.println(nmea.isValid() ? "yes" : "no");
+
+        if (!nmea.isValid())
+            return;
+
+        String navSystem;
+        switch (nmea.getNavSystem()) {
+        case 'N':
+            navSystem = "GNSS";
+            break;
+        case 'P':
+            navSystem = "GPS";
+            break;
+        case 'L':
+            navSystem = "GLONASS";
+            break;
+        case 'A':
+            navSystem = "Galileo";
+            break;
+        default:
+            break;
+        }
+        Serial.print("Nav. system: ");
+        Serial.println(navSystem);
+
+        Serial.print("Num. satellites: ");
+        Serial.println(nmea.getNumSatellites());
+
+        Serial.print("HDOP: ");
+        Serial.println(nmea.getHDOP() / 10., 1);
+
+        Serial.print("Date/time: ");
+        Serial.print(nmea.getYear());
+        Serial.print('-');
+        Serial.print(int(nmea.getMonth()));
+        Serial.print('-');
+        Serial.print(int(nmea.getDay()));
+        Serial.print('T');
+        Serial.print(int(nmea.getHour()));
+        Serial.print(':');
+        Serial.print(int(nmea.getMinute()));
+        Serial.print(':');
+        Serial.println(int(nmea.getSecond()));
+
+        long latitude_mdeg = nmea.getLatitude();
+        long longitude_mdeg = nmea.getLongitude();
+        Serial.print("Latitude (deg): ");
+        Serial.println(latitude_mdeg / 1000000., 6);
+
+        Serial.print("Longitude (deg): ");
+        Serial.println(longitude_mdeg / 1000000., 6);
+
+        long alt;
+        Serial.print("Altitude (m): ");
+        if (nmea.getAltitude(alt))
+            Serial.println(alt / 1000., 3);
+        else
+            Serial.println("not available");
+
+        Serial.print("Speed: ");
+        Serial.println(nmea.getSpeed() / 1000., 3);
+        Serial.print("Course: ");
+        Serial.println(nmea.getCourse() / 1000., 3);
+        nmea.clear();
+    }
 }

portenta.variables

@@ -1,5 +1,5 @@
 export FLAVOUR="portenta"
 export VARIANTS=("PORTENTA_H7_M7 PORTENTA_H7_M4")
 export FQBNS=("envie_m7 envie_m4")
-export LIBRARIES=("doom Ethernet MRI Portenta_SDRAM SPI WiFi ea_malloc openamp_arduino Portenta_System ThreadDebug Himax_HM01B0 PDM Portenta_Video USBAudio KernelDebug Portenta_Audio RPC USBHID Wire Portenta_lvgl Portenta_Camera rpclib USBHOST mbed-memory-status Portenta_SDCARD Scheduler USBMSD SocketWrapper GSM")
+export LIBRARIES=("doom Ethernet MRI Portenta_SDRAM SPI WiFi ea_malloc openamp_arduino Portenta_System ThreadDebug Himax_HM01B0 PDM Portenta_Video USBAudio KernelDebug Portenta_Audio RPC USBHID Wire Portenta_lvgl Portenta_Camera rpclib USBHOST mbed-memory-status Portenta_SDCARD Scheduler USBMSD SocketWrapper GSM GPS")
 export BOOTLOADERS=("PORTENTA_H7")