Automatically configure the Bluetooth module the first time it is tur…

…ned on

EEPROM.cpp

@@ -22,7 +22,7 @@
 cfg_t cfg; //  Struct for all the configuration values
 
 //static const char *firmwareVersion = "1.0.0";
-static const uint8_t eepromVersion = 2; // EEPROM version - used to restore the EEPROM values if the configuration struct have changed
+static const uint8_t eepromVersion = 3; // EEPROM version - used to restore the EEPROM values if the configuration struct have changed
 
 /* EEPROM Address Definitions */
 static const uint8_t versionAddr = 0; // Set the first byte to the EEPROM version
@@ -72,5 +72,7 @@ void restoreEEPROMValues() {
   cfg.accYzero = cfg.accZzero = 0;
   cfg.leftMotorScaler = cfg.rightMotorScaler = 1;
 
+  cfg.configureBtModule = true;
+
   updateEEPROMValues();
 }

EEPROM.h

@@ -29,6 +29,8 @@ typedef struct {
   // TODO: Implement this:
   double accYzero, accZzero; // Accelerometer zero values
   double leftMotorScaler, rightMotorScaler; // Used if there is difference between the motors
+
+  bool configureBtModule; // Used to configure the Bluetooth module the first time it is turned on
 } cfg_t;
 
 extern cfg_t cfg;

Protocol.cpp

@@ -88,6 +88,18 @@ void sendData(uint8_t *data, uint8_t length);
 uint8_t getCheckSum(uint8_t *data, size_t length);
 
 void initSerial() {
+  // Automatically configure the Bluetooth module the first time it is turned on
+  if (cfg.configureBtModule) {
+    cfg.configureBtModule = false;
+    updateEEPROMValues();
+
+    Serial.begin(9600);
+    Serial.println("AT+NAMESegway"); // Set the name to 'Segway'
+    delay(1000); // The module waits 1 s before it considers a message complete
+    Serial.println("AT+PIN0000"); // Set the pin to '0000'
+    delay(1000); // The module waits 1 s before it considers a message complete
+    Serial.println("AT+BAUD7"); // Finally change the baud rate to '57600'
+  }
   Serial.begin(57600);
   Serial.setTimeout(10); // Only wait 10ms for serial data
 }