Setting SCL to 400kHz

firmware/src/i2c.c

@@ -34,10 +34,8 @@ void initializeI2C(int slave_address)
     //The STOP condition is generated by the user
     EUSCI_B0->CTLW1 = 0;
 
-    //TODO Increase to 400kHz
-    // SMCLK / BRW = 100kHz - desired baudrate (12MHz/100kHz)=120
-    //EUSCI_B0->BRW = 120;
-    EUSCI_B0->BRW = 480;  // To get 25kHz
+    // SMCLK / BRW = 100kHz - desired baudrate (12MHz/400kHz)=30
+    EUSCI_B0->BRW = 30;
 
     //Slave address
     EUSCI_B0->I2CSA = slave_address;