Merge pull request #4 from ManoDaSilva/testing

Added some interlocks for I2C and UART

src/drivers/pulse_counter/pulse_counter.c

@@ -56,8 +56,7 @@ void CounterPin_Init(void) {
 	NVIC_Init(&NVIC_InitStruct);
 }
 
-void EXTI4_IRQHandler(void)
-{
+void EXTI4_IRQHandler(void){
 	counts = counts+1;
 	EXTI_ClearITPendingBit(EXTI_Line11); //Clear the interrupt flag bit on LINE11
 }

src/main.c

@@ -86,12 +86,17 @@ int main(void)
 		pulse_counter_init();
 	}
 
-    if (gps_nmea_output_enabled) {
+    if (gps_nmea_output_enabled && !pulse_counter_enabled) {
         log_info("External USART init\n");
         usart_ext_init(EXTERNAL_SERIAL_PORT_BAUD_RATE);
     } else {
-        log_info("I2C init: clock speed %d kHz\n", I2C_BUS_CLOCK_SPEED / 1000);
-        i2c_init(I2C_BUS_CLOCK_SPEED);
+        if (!pulse_counter_enabled){
+			log_info("I2C init: clock speed %d kHz\n", I2C_BUS_CLOCK_SPEED / 1000);
+			i2c_init(I2C_BUS_CLOCK_SPEED);
+		}
+		else{
+			log_info("I2C/UART init locked: pulse counter is active!");
+		}
     }
     log_info("SPI init\n");
     spi_init();