Added specific SME initialization

Author: MiK

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

@@ -222,6 +222,17 @@ const PinDescription g_APinDescription[]=
   { PORTA, 12, PIO_PWM, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM), No_ADC_Channel, PWM2_CH0, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // TCC2/WO[0]
   { PORTB, 11, PIO_PWM, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM), No_ADC_Channel, PWM5_CH1, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // TC5/WO[1]
   { PORTB, 10, PIO_PWM, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM), No_ADC_Channel, PWM5_CH0, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // TC5/WO[1]
+            
+/*
+ * +------------+------------------+--------+-----------------+--------------------------------------------------------------------------------------------------------
+ * |            | I/O Exte         |        |                 |
+ * +------------+------------------+--------+-----------------+--------------------------------------------------------------------------------------------------------
+ * | 48         | IO_EXT_RST       |  PA13  |                 | EXTINT[13] SERCOM2/ PAD[1] SERCOM4/ PAD[1] TCC2/WO[1] TCC0/ WO[7] AC/CMP[1]
+ * | 49         | IO_EXT_INT       |  PB06  |                 |EXTINT[6] AIN[14] Y[12]
+ * +------------+------------------+--------+-----------------+--------------------------------------------------------------------------------------------------------
+ */
+  { PORTA, 13, PIO_PWM, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM), No_ADC_Channel, PWM2_CH1, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // TCC2/WO[1]
+  { PORTB, 06, PIO_ANALOG, PIN_ATTR_ANALOG, ADC_Channel0, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_14 }, // ADC/AIN[14]
 } ;
 
 

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

@@ -88,6 +88,12 @@ extern "C"
 #define PIN_LED3             PIN_LED_TXL
 #define LED_BUILTIN          PIN_LED_13
 
+
+
+// I/O Extender
+#define PIN_IO_EXT_RST      (48u)
+#define PIN_IO_EXT_INT      (49u)
+
 /*
  * Analog pins
  */

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

@@ -0,0 +1,28 @@
+/*
+Copyright (c) 2014-2015 Arduino LLC.  All right reserved.
+Copyright (c) 2015 Amel-Tech (a division of Amel Srl). All right reserved.
+
+This library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Lesser General Public
+License as published by the Free Software Foundation; either
+version 2.1 of the License, or (at your option) any later version.
+
+This library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+See the GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public
+License along with this library; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+#include <Arduino.h>
+
+void initVariant() {
+    // reset the I/O Extender
+    pinMode(PIN_IO_EXT_RST, OUTPUT);
+    digitalWrite(PIN_IO_EXT_RST, LOW);
+    delay(10); // just wait a while
+    digitalWrite(PIN_IO_EXT_RST, HIGH);       
+}
+