Expose the LED jumper via USB.

right/src/init_peripherials.c

@@ -5,6 +5,7 @@
 #include "i2c.h"
 #include "led_driver.h"
 #include "merge_sensor.h"
+#include "led_jumper.h"
 
 void InitI2c() {
     port_pin_config_t pinConfig = {
@@ -46,6 +47,7 @@ void InitI2c() {
 void InitPeripherials(void)
 {
     InitResetButton();
+    InitLedJumper();
     InitMergeSensor();
     InitTestLed();
     InitI2c();

right/src/led_jumper.c

@@ -0,0 +1,8 @@
+#include "led_jumper.h"
+#include "fsl_port.h"
+
+void InitLedJumper() {
+    CLOCK_EnableClock(LED_JUMPER_CLOCK);
+    PORT_SetPinConfig(LED_JUMPER_PORT, LED_JUMPER_PIN,
+                      &(port_pin_config_t){.pullSelect=kPORT_PullUp, .mux=kPORT_MuxAsGpio});
+}

right/src/led_jumper.h

@@ -0,0 +1,23 @@
+#ifndef __LED_JUMPER_H__
+#define __LED_JUMPER_H__
+
+// Includes:
+
+    #include "fsl_gpio.h"
+
+// Macros:
+
+    #define LED_JUMPER_GPIO        GPIOC
+    #define LED_JUMPER_PORT        PORTC
+    #define LED_JUMPER_CLOCK       kCLOCK_PortC
+    #define LED_JUMPER_PIN         4
+    #define LED_JUMPER_IRQ         PORTC_IRQn
+    #define LED_JUMPER_IRQ_HANDLER PORTC_IRQHandler
+
+    #define LED_JUMPER_IS_ENABLED !GPIO_ReadPinInput(LED_JUMPER_GPIO, LED_JUMPER_PIN)
+
+// Functions:
+
+    extern void InitLedJumper();
+
+#endif

right/src/usb_protocol_handler.c

@@ -4,6 +4,7 @@
 #include "i2c_addresses.h"
 #include "led_driver.h"
 #include "merge_sensor.h"
+#include "led_jumper.h"
 
 void SetError(uint8_t error);
 void SetGenericError();
@@ -16,6 +17,7 @@ void ReadLedDriver();
 void WriteEeprom();
 void ReadEeprom();
 void ReadMergeSensor();
+void ReadLedJumper();
 
 // Functions for setting error statuses
 
@@ -64,6 +66,9 @@ void UsbProtocolHandler()
         case USB_COMMAND_READ_MERGE_SENSOR:
             ReadMergeSensor();
             break;
+        case USB_COMMAND_READ_LED_JUMPER:
+            ReadLedJumper();
+            break;
         default:
             break;
     }
@@ -183,3 +188,8 @@ void ReadMergeSensor()
 {
     SetResponseByte(MERGE_SENSOR_IS_MERGED);
 }
+
+void ReadLedJumper()
+{
+    SetResponseByte(LED_JUMPER_IS_ENABLED);
+}

right/src/usb_protocol_handler.h

@@ -25,6 +25,7 @@
         #define WRITE_EEPROM_RESPONSE_INVALID_PAYLOAD_SIZE 1
     #define USB_COMMAND_READ_EEPROM     6
     #define USB_COMMAND_READ_MERGE_SENSOR     7
+    #define USB_COMMAND_READ_LED_JUMPER 8
 
 // Functions: