GPS - begin read impl.

Author: brentru

src/Wippersnapper_V2.cpp

@@ -1374,5 +1374,8 @@ ws_status_t Wippersnapper_V2::run() {
   // Process UART driver events
   WsV2._uart_controller->update();
 
+  // Process GPS controller events
+  WsV2._gps_controller->update();
+
   return WS_NET_CONNECTED; // TODO: Make this funcn void!
 }

src/components/gps/controller.cpp

@@ -59,7 +59,23 @@ bool GPSController::AddGPS(HardwareSerial *serial,
     return false;
   }
 
-  _gps_hardware.push_back(gps_hw);
+  _gps_drivers.push_back(gps_hw);
   WS_DEBUG_PRINTLN("[gps] GPS hardware added successfully!");
   return true;
+}
+
+/*!
+ * @brief Updates the GPSController, polling the GPS hardware for data.
+ * This function checks if the read period has elapsed and processes the GPS
+ * data accordingly.
+ */
+void GPSController::update() {
+  if (_gps_drivers.empty())
+    return; // bail-out!
+
+  for (GPSHardware *drv : _gps_drivers) {
+
+    // Did read period elapse?
+    ulong cur_time = millis();
+  }
 }

src/components/gps/controller.h

@@ -32,11 +32,11 @@ class GPSController {
   GPSController();
   ~GPSController();
   bool AddGPS(HardwareSerial *serial, wippersnapper_gps_GPSConfig *gps_config);
+  void update();
 
 private:
-  GPSModel *_gps_model; ///< GPS model instance
-  std::vector<GPSHardware *>
-      _gps_hardware; ///< Vector of GPS hardware instances
+  GPSModel *_gps_model;                    ///< GPS model instance
+  std::vector<GPSHardware *> _gps_drivers; ///< GPS hardware instances
 };
 extern Wippersnapper_V2 WsV2; ///< Wippersnapper V2 instance
 #endif                        // WS_GPS_CONTROLLER_H

src/components/gps/hardware.cpp

@@ -224,4 +224,32 @@ bool GPSHardware::BuildPmtkAck(char *msg_cmd, char *msg_resp) {
   snprintf(msg_resp, MAX_NEMA_SENTENCE_LEN, "$PMTK001,%d,3", cmd_num);
   _ada_gps->addChecksum(msg_resp);
   return true;
-}
+}
+
+/*!
+ * @brief Sets the polling period for GPS data.
+ * @param poll_period
+ *        The polling period in milliseconds.
+ */
+void GPSHardware::SetPollPeriod(ulong poll_period) { _period = poll_period; }
+
+/*!
+ * @brief Sets the previous polling period for GPS data.
+ * @param poll_period_prv
+ *        The previous polling period in milliseconds.
+ */
+void GPSHardware::SetPollPeriodPrv(ulong poll_period_prv) {
+  _period_prv = poll_period_prv;
+}
+
+/*!
+ * @brief Gets the current polling period for GPS data.
+ * @returns The polling period in milliseconds.
+ */
+ulong GPSHardware::GetPollPeriod() { return _period; }
+
+/*!
+ * @brief Gets the previous polling period for GPS data.
+ * @returns The previous polling period in milliseconds.
+ */
+ulong GPSHardware::GetPollPeriodPrv() { return _period_prv; }

src/components/gps/hardware.h

@@ -53,6 +53,10 @@ class GPSHardware {
   ~GPSHardware();
   bool begin();
   bool SetInterface(HardwareSerial *serial);
+  void SetPollPeriod(ulong poll_period);
+  void SetPollPeriodPrv(ulong poll_period_prv);
+  ulong GetPollPeriod();
+  ulong GetPollPeriodPrv();
   // TODO: Add SetInterface(I2C *_i2c_hardware) for I2C support here!
   bool Handle_GPSConfig(wippersnapper_gps_GPSConfig *gps_config);
 
@@ -64,6 +68,10 @@ class GPSHardware {
   GpsDriverType _driver_type;           ///< Type of GPS driver used
   HardwareSerial *_hw_serial = nullptr; ///< HardwareSerial instance for GPS;
   Adafruit_GPS *_ada_gps = nullptr;     ///< Adafruit GPS instance
+  ulong _period;     ///< Polling period for GPS data (Specified by IO), in
+                     ///< milliseconds
+  ulong _period_prv; ///< Previous period for GPS data (Specified by IO), in
+                     ///< milliseconds
 };
 extern Wippersnapper_V2 WsV2; ///< Wippersnapper V2 instance
 #endif                        // WS_GPS_HARDWARE_H