Added RGB LED & Button initialization and useful user function

Author: fontamiHw

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

@@ -17,7 +17,7 @@
   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */
 
-#include "variant.h"
+#include <Arduino.h>
 
 /*
  * Pins descriptions
@@ -271,3 +271,43 @@ void SERCOM5_Handler()
 {
   BLE.IrqHandler();
 }
+
+
+void LED_GREEN_ON(uint32_t value) {
+    if (value == HIGH) {
+        digitalWrite(PIN_LED_GREEN, LOW);
+        } else if (value == LOW) {
+        digitalWrite(PIN_LED_GREEN, HIGH);
+        } else {
+        digitalWrite(PIN_LED_GREEN, 255-value);   // in case of PWM
+    }
+}
+
+void LED_RED_ON(uint32_t value)   {
+    if (value == HIGH) {
+        digitalWrite(PIN_LED_RED, LOW);
+        } else if (value == LOW) {
+        digitalWrite(PIN_LED_RED, HIGH);
+        } else {
+        digitalWrite(PIN_LED_RED, 255-value);   // in case of PWM
+    }
+}
+
+void LED_BLUE_ON(uint32_t value) {
+    if (value == HIGH) {
+        digitalWrite(PIN_LED_BLUE, LOW);
+        } else if (value == LOW) {
+        digitalWrite(PIN_LED_BLUE, HIGH);
+        } else {
+        digitalWrite(PIN_LED_BLUE, 255-value);   // in case of PWM
+    }
+}
+
+int button1IsPressed(void) {
+    return !digitalRead(PIN_SME_BUTTON1);
+}
+
+
+int button2IsPressed(void) {
+    return !digitalRead(PIN_SME_BUTTON2);
+}

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

@@ -177,6 +177,30 @@ static const uint8_t SCK  = PIN_SPI_SCK ;
 #define PIN_USB_DM           (29ul)
 #define PIN_USB_DP           (30ul)
 
+/*
+    RGB 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 LED_GREEN_ON(uint32_t value);
+void LED_RED_ON(uint32_t value);
+void LED_BLUE_ON(uint32_t value);
+
+
+/*
+    User Button wrapper function.
+    
+    return:
+    1 = button PRESSED
+    0 = button RELEASED
+*/
+int button1IsPressed(void);
+int button2IsPressed(void);
 
 #ifdef __cplusplus
 }
@@ -229,6 +253,11 @@ extern Uart SigFox;
 #define SERIAL_PORT_HARDWARE        Serial1
 #define SERIAL_PORT_HARDWARE_OPEN   Serial1
 
+
+#define LED_GREEN_INIT  pinMode(PIN_LED_GREEN, OUTPUT)
+#define LED_RED_INIT    pinMode(PIN_LED_RED, OUTPUT)
+#define LED_BLUE_INIT   pinMode(PIN_LED_BLUE, OUTPUT)
+
 
 extern uint8_t smeInitError;
 #endif /* _VARIANT_AMEL_SMARTEVERYTHING_ */

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

@@ -156,6 +156,19 @@ void initVariant() {
     delay(10); // just wait a while
     digitalWrite(PIN_IO_EXT_RST, HIGH);
 
+    // initialize button1 & button2 as input
+    pinMode(PIN_SME_BUTTON1, INPUT_PULLUP);
+    pinMode(PIN_SME_BUTTON2, INPUT_PULLUP);
+    
+    
+    // initialize RGB LED
+    LED_GREEN_INIT;
+    LED_RED_INIT;
+    LED_BLUE_INIT;
+    LED_GREEN_ON(LOW);
+    LED_BLUE_ON(LOW);
+    LED_RED_ON(LOW);
+        
 
     // initialize the IO_Extender
     ioExtenderInit();