[sensor] support GPS/GNSS sensor class

components/drivers/sensors/sensor.c

@@ -34,7 +34,8 @@ static char *const sensor_name_str[] =
     "step_",     /* Step sensor       */
     "forc_",     /* Force sensor      */
     "dust_",     /* Dust sensor       */
-    "eco2_"      /* eCO2 sensor       */
+    "eco2_",     /* eCO2 sensor       */
+    "gnss_"      /* GPS/GNSS sensor   */
 };
 
 /* Sensor interrupt correlation function */

components/drivers/sensors/sensor.h

@@ -47,6 +47,7 @@ extern "C" {
 #define RT_SENSOR_CLASS_FORCE          (13) /* Force sensor      */
 #define RT_SENSOR_CLASS_DUST           (14) /* Dust sensor       */
 #define RT_SENSOR_CLASS_ECO2           (15) /* eCO2 sensor       */
+#define RT_SENSOR_CLASS_GNSS           (16) /* GPS/GNSS sensor   */
 
 /* Sensor vendor types */
 
@@ -84,6 +85,8 @@ extern "C" {
 #define  RT_SENSOR_UNIT_MN             (13) /* Force                   unit: mN         */
 #define  RT_SENSOR_UNIT_PPM            (14) /* Concentration           unit: ppm        */
 #define  RT_SENSOR_UNIT_PPB            (15) /* Concentration           unit: ppb        */
+#define  RT_SENSOR_UNIT_DMS            (16) /* Coordinates             unit: DMS        */
+#define  RT_SENSOR_UNIT_DD             (17) /* Coordinates             unit: DD         */
 
 /* Sensor communication interface types */
 
@@ -184,6 +187,12 @@ struct sensor_3_axis
     rt_int32_t z;
 };
 
+struct coordinates
+{
+    double longitude;
+    double latitude;
+};
+
 struct rt_sensor_data
 {
     rt_uint32_t         timestamp;          /* The timestamp when the data was received */
@@ -193,6 +202,7 @@ struct rt_sensor_data
         struct sensor_3_axis acce;          /* Accelerometer.       unit: mG          */
         struct sensor_3_axis gyro;          /* Gyroscope.           unit: mdps        */
         struct sensor_3_axis mag;           /* Magnetometer.        unit: mGauss      */
+        struct coordinates   coord;         /* Coordinates          unit: degrees     */
         rt_int32_t           temp;          /* Temperature.         unit: dCelsius    */
         rt_int32_t           humi;          /* Relative humidity.   unit: permillage  */
         rt_int32_t           baro;          /* Pressure.            unit: pascal (Pa) */

components/drivers/sensors/sensor_cmd.c

@@ -34,6 +34,9 @@ static void sensor_show_data(rt_size_t num, rt_sensor_t sensor, struct rt_sensor
     case RT_SENSOR_CLASS_MAG:
         LOG_I("num:%3d, x:%5d, y:%5d, z:%5d mGauss, timestamp:%5d", num, sensor_data->data.mag.x, sensor_data->data.mag.y, sensor_data->data.mag.z, sensor_data->timestamp);
         break;
+    case RT_SENSOR_CLASS_GNSS:
+        LOG_I("num:%3d, lon:%5d, lat:%5d, timestamp:%5d", num, sensor_data->data.coord.longitude, sensor_data->data.coord.latitude, sensor_data->timestamp);
+        break;
     case RT_SENSOR_CLASS_TEMP:
         LOG_I("num:%3d, temp:%3d.%d C, timestamp:%5d", num, sensor_data->data.temp / 10, sensor_data->data.temp % 10, sensor_data->timestamp);
         break;