Add API for the merge sensor.

right/src/init_peripherials.c

@@ -4,6 +4,7 @@
 #include "reset_button.h"
 #include "i2c.h"
 #include "led_driver.h"
+#include "merge_sensor.h"
 
 void InitI2c() {
     port_pin_config_t pinConfig = {
@@ -45,6 +46,7 @@ void InitI2c() {
 void InitPeripherials(void)
 {
     InitResetButton();
+    InitMergeSensor();
     InitTestLed();
     InitI2c();
 }

right/src/merge_sensor.c

@@ -0,0 +1,8 @@
+#include "merge_sensor.h"
+#include "fsl_port.h"
+
+void InitMergeSensor() {
+    CLOCK_EnableClock(MERGE_SENSOR_CLOCK);
+    PORT_SetPinConfig(MERGE_SENSOR_PORT, MERGE_SENSOR_PIN,
+                      &(port_pin_config_t){.pullSelect=kPORT_PullUp, .mux=kPORT_MuxAsGpio});
+}

right/src/merge_sensor.h

@@ -0,0 +1,23 @@
+#ifndef __MERGE_SENSOR_H__
+#define __MERGE_SENSOR_H__
+
+// Includes:
+
+    #include "fsl_gpio.h"
+
+// Macros:
+
+    #define MERGE_SENSOR_GPIO        GPIOB
+    #define MERGE_SENSOR_PORT        PORTB
+    #define MERGE_SENSOR_CLOCK       kCLOCK_PortB
+    #define MERGE_SENSOR_PIN         2
+    #define MERGE_SENSOR_IRQ         PORTB_IRQn
+    #define MERGE_SENSOR_IRQ_HANDLER PORTB_IRQHandler
+
+    #define MERGE_SENSOR_IS_MERGED !GPIO_ReadPinInput(MERGE_SENSOR_GPIO, MERGE_SENSOR_PIN)
+
+// Functions:
+
+    extern void InitMergeSensor();
+
+#endif