Added user function for Yellow Led.

Same as it happen for the RGB, the user function do the inversion of the
Light on/off required by the led mounted on the SME.
The user continue to use HIGH to light on and LOW to light off the digital pin.

Author: MiK

hardware/AMEL/samd/variants/AMEL_SmartEverything/variant.cpp

@@ -272,6 +272,25 @@ void SERCOM5_Handler()
   BLE.IrqHandler();
 }
 
+void ledYellowTwoLight(uint32_t value) {
+    if (value == HIGH) {
+        digitalWrite(PIN_LED_RXL, LOW);
+        } else if (value == LOW) {
+        digitalWrite(PIN_LED_RXL, HIGH);
+        } else {
+        analogWrite(PIN_LED_RXL, 255-value);   // in case of PWM
+    }
+}
+
+void ledYellowOneLight(uint32_t value)   {
+    if (value == HIGH) {
+        digitalWrite(PIN_LED_TXL, LOW);
+        } else if (value == LOW) {
+        digitalWrite(PIN_LED_TXL, HIGH);
+        } else {
+        analogWrite(PIN_LED_TXL, 255-value);   // in case of PWM
+    }
+}
 
 void ledGreenLight(uint32_t value) {
     if (value == HIGH) {

hardware/AMEL/samd/variants/AMEL_SmartEverything/variant.h

@@ -191,6 +191,18 @@ void ledGreenLight(uint32_t value);
 void ledRedLight(uint32_t value);
 void ledBlueLight(uint32_t value);
 
+/*
+    Yellow Led wrapper function
+    These functions has been created for a more comfortable use 
+      because internally wrap the inversion of the HIGH, LOW meaning
+
+    Using these function it remain the same Arduino User Experience to light a led
+    HIGH = Light ON
+    LOW  = Light OFF
+
+ */
+void ledYellowOneLight(uint32_t value);
+void ledYellowTwoLight(uint32_t value);
 
 /*
     User Button wrapper function.
@@ -258,6 +270,9 @@ extern Uart SigFox;
 #define LED_RED_INIT    pinMode(PIN_LED_RED, OUTPUT)
 #define LED_BLUE_INIT   pinMode(PIN_LED_BLUE, OUTPUT)
 
+#define LED_YELLOW_TWO_INIT  pinMode(PIN_LED_RXL, OUTPUT)
+#define LED_YELLOW_ONE_INIT  pinMode(PIN_LED_TXL, OUTPUT)
+
 
 extern uint8_t smeInitError;
 #endif /* _VARIANT_AMEL_SMARTEVERYTHING_ */

hardware/AMEL/samd/variants/AMEL_SmartEverything/variantInit.cpp

@@ -150,6 +150,11 @@ static void ioExtenderInit(void) {
 
 
 void initVariant() {
+    
+    // initializa the two Yellow Led
+    LED_YELLOW_ONE_INIT;
+    LED_YELLOW_TWO_INIT;
+    
     // reset the I/O Extender
     pinMode(PIN_IO_EXT_RST, OUTPUT);
     digitalWrite(PIN_IO_EXT_RST, LOW);