text: /*
    Copyright (c) 2014-2015 Arduino LLC.  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
  */
  /*
   * +------------+------------------+--------+-----------------+--------------------------------------------------------------------------------------------------------
   * + Pin number +  ZERO Board pin  |  PIN   | Label/Name      | Comments (* is for default peripheral in use)
   * +------------+------------------+--------+-----------------+--------------------------------------------------------------------------------------------------------
   * |            | Digital Low      |        |                 |
   * +------------+------------------+--------+-----------------+--------------------------------------------------------------------------------------------------------
   * | 0          | 0 -> RX          |  PA11  |                 | EIC/EXTINT[11] ADC/AIN[19]           PTC/X[3] *SERCOM0/PAD[3]  SERCOM2/PAD[3]  TCC0/WO[3]  TCC1/WO[1]
   * | 1          | 1 <- TX          |  PA10  |                 | EIC/EXTINT[10] ADC/AIN[18]           PTC/X[2] *SERCOM0/PAD[2]                  TCC0/WO[2]  TCC1/WO[0]
   * | 2          | 2                |  PA14  |                 | EIC/EXTINT[14]                                 SERCOM2/PAD[2]  SERCOM4/PAD[2]  TC3/WO[0]   TCC0/WO[4]
   * | 3          | ~3               |  PA09  |                 | EIC/EXTINT[9]  ADC/AIN[17]           PTC/X[1]  SERCOM0/PAD[1]  SERCOM2/PAD[1] *TCC0/WO[1]  TCC1/WO[3]
   * | 4          | ~4               |  PA08  |                 | EIC/NMI        ADC/AIN[16]           PTC/X[0]  SERCOM0/PAD[0]  SERCOM2/PAD[0] *TCC0/WO[0]  TCC1/WO[2]
   * | 5          | ~5               |  PA15  |                 | EIC/EXTINT[15]                                 SERCOM2/PAD[3]  SERCOM4/PAD[3] *TC3/WO[1]   TCC0/WO[5]
   * | 6          | ~6               |  PA20  |                 | EIC/EXTINT[4]                        PTC/X[8]  SERCOM5/PAD[2]  SERCOM3/PAD[2]             *TCC0/WO[6]
   * | 7          | 7                |  PA21  |                 | EIC/EXTINT[5]                        PTC/X[9]  SERCOM5/PAD[3]  SERCOM3/PAD[3]              TCC0/WO[7]
   * +------------+------------------+--------+-----------------+--------------------------------------------------------------------------------------------------------
   * |            | Digital High     |        |                 |
   * +------------+------------------+--------+-----------------+--------------------------------------------------------------------------------------------------------
   * | 8          | ~8               |  PA06  |                 | EIC/EXTINT[6]  ADC/AIN[6]  AC/AIN[2] PTC/Y[4]  SERCOM0/PAD[2]                 *TCC1/WO[0]
   * | 9          | ~9               |  PA07  |                 | EIC/EXTINT[7]  ADC/AIN[7]  AC/AIN[3] PTC/Y[5]  SERCOM0/PAD[3]                 *TCC1/WO[1]
   * | 10         | ~10              |  PA18  |                 | EIC/EXTINT[2]                        PTC/X[6] +SERCOM1/PAD[2]  SERCOM3/PAD[2] *TC3/WO[0]    TCC0/WO[2]
   * | 11         | ~11              |  PA16  |                 | EIC/EXTINT[0]                        PTC/X[4] +SERCOM1/PAD[0]  SERCOM3/PAD[0] *TCC2/WO[0]   TCC0/WO[6]
   * | 12         | ~12              |  PA19  |                 | EIC/EXTINT[3]                        PTC/X[7] +SERCOM1/PAD[3]  SERCOM3/PAD[3]  TC3/WO[1]   *TCC0/WO[3]
   * | 13         | ~13              |  PA17  | LED             | EIC/EXTINT[1]                        PTC/X[5] +SERCOM1/PAD[1]  SERCOM3/PAD[1] *TCC2/WO[1]   TCC0/WO[7]
   * +------------+------------------+--------+-----------------+--------------------------------------------------------------------------------------------------------
   * |            | Analog Connector |        |                 |
   * +------------+------------------+--------+-----------------+--------------------------------------------------------------------------------------------------------
   * | 14         | A0               |  PA02  | A0              | EIC/EXTINT[2] *ADC/AIN[0]  DAC/VOUT  PTC/Y[0]
   * | 15         | A1               |  PB08  | A1              | EIC/EXTINT[8] *ADC/AIN[2]            PTC/Y[14] SERCOM4/PAD[0]                  TC4/WO[0]
   * | 16         | A2               |  PB09  | A2              | EIC/EXTINT[9] *ADC/AIN[3]            PTC/Y[15] SERCOM4/PAD[1]                  TC4/WO[1]
   * | 17         | A3               |  PA04  | A3              | EIC/EXTINT[4] *ADC/AIN[4]  AC/AIN[0] PTC/Y[2]  SERCOM0/PAD[0]                  TCC0/WO[0]
   * | 18         | A4               |  PA05  | A4              | EIC/EXTINT[5] *ADC/AIN[5]  AC/AIN[1] PTC/Y[5]  SERCOM0/PAD[1]                  TCC0/WO[1]
   * | 19         | A5               |  PB02  | A5              | EIC/EXTINT[2] *ADC/AIN[10]           PTC/Y[8]  SERCOM5/PAD[0]
   * +------------+------------------+--------+-----------------+--------------------------------------------------------------------------------------------------------
   * |            | Wire             |        |                 |
   * +------------+------------------+--------+-----------------+--------------------------------------------------------------------------------------------------------
   * | 20         | SDA              |  PA22  | SDA             | EIC/EXTINT[6]                        PTC/X[10] *SERCOM3/PAD[0] SERCOM5/PAD[0] TC4/WO[0] TCC0/WO[4]
   * | 21         | SCL              |  PA23  | SCL             | EIC/EXTINT[7]                        PTC/X[11] *SERCOM3/PAD[1] SERCOM5/PAD[1] TC4/WO[1] TCC0/WO[5]
   * +------------+------------------+--------+-----------------+--------------------------------------------------------------------------------------------------------
   * |            |SPI (Legacy ICSP) |        |                 |
   * +------------+------------------+--------+-----------------+--------------------------------------------------------------------------------------------------------
   * | 22         | 1                |  PA12  | MISO            | EIC/EXTINT[12] SERCOM2/PAD[0] *SERCOM4/PAD[0] TCC2/WO[0] TCC0/WO[6]
   * |            | 2                |        | 5V0             |
   * | 23         | 4                |  PB10  | MOSI            | EIC/EXTINT[10]                *SERCOM4/PAD[2] TC5/WO[0]  TCC0/WO[4]
   * | 24         | 3                |  PB11  | SCK             | EIC/EXTINT[11]                *SERCOM4/PAD[3] TC5/WO[1]  TCC0/WO[5]
   * |            | 5                |        | RESET           |
   * |            | 6                |        | GND             |
   * +------------+------------------+--------+-----------------+--------------------------------------------------------------------------------------------------------
   * |            | LEDs             |        |                 |
   * +------------+------------------+--------+-----------------+--------------------------------------------------------------------------------------------------------
   * | 25         |                  |  PB03  | RX              |
   * | 26         |                  |  PA27  | TX              |
   * +------------+------------------+--------+-----------------+--------------------------------------------------------------------------------------------------------
   * |            | USB              |        |                 |
   * +------------+------------------+--------+-----------------+--------------------------------------------------------------------------------------------------------
   * | 27         |                  |  PA28  | USB_HOST_ENABLE | EIC/EXTINT[8]
   * | 28         |                  |  PA24  | USB_NEGATIVE    | *USB/DM
   * | 29         |                  |  PA25  | USB_POSITIVE    | *USB/DP
   * +------------+------------------+--------+-----------------+--------------------------------------------------------------------------------------------------------
   * |            | EDBG             |        |                 |
   * +------------+------------------+--------+-----------------+--------------------------------------------------------------------------------------------------------
   * | 30         |                  |  PB22  | EDBG_UART TX    | *SERCOM5/PAD[2]
   * | 31         |                  |  PB23  | EDBG_UART RX    | *SERCOM5/PAD[3]
   * +------------+------------------+--------+-----------------+--------------------------------------------------------------------------------------------------------
   * | 32         |                  |  PA22  | EDBG_SDA        | Pin 20 (SDA)
   * | 33         |                  |  PA23  | EDBG_SCL        | Pin 21 (SCL)
   * +------------+------------------+--------+-----------------+--------------------------------------------------------------------------------------------------------
   * | 34         |                  |  PA19  | EDBG_MISO       | EIC/EXTINT[3] *SERCOM1/PAD[3] SERCOM3/PAD[3] TC3/WO[1]  TCC0/WO[3]
   * | 35         |                  |  PA16  | EDBG_MOSI       | EIC/EXTINT[0] *SERCOM1/PAD[0] SERCOM3/PAD[0] TCC2/WO[0] TCC0/WO[6]
   * | 36         |                  |  PA18  | EDBG_SS         | EIC/EXTINT[2] *SERCOM1/PAD[2] SERCOM3/PAD[2] TC3/WO[0]  TCC0/WO[2]
   * | 37         |                  |  PA17  | EDBG_SCK        | EIC/EXTINT[1] *SERCOM1/PAD[1] SERCOM3/PAD[1] TCC2/WO[1] TCC0/WO[7]
   * +------------+------------------+--------+-----------------+--------------------------------------------------------------------------------------------------------
   * | 38         | ATN              |  PA13  | EDBG_GPIO0      | EIC/EXTINT[13] SERCOM2/PAD[1] SERCOM4/PAD[1] *TCC2/WO[1] TCC0/WO[7]
   * | 39         |                  |  PA21  | EDBG_GPIO1      | Pin 7
   * | 40         |                  |  PA06  | EDBG_GPIO2      | Pin 8
   * | 41         |                  |  PA07  | EDBG_GPIO3      | Pin 9
   * +------------+------------------+--------+-----------------+--------------------------------------------------------------------------------------------------------
   * |            |                  |        |                 |
   * +------------+------------------+--------+-----------------+--------------------------------------------------------------------------------------------------------
   * |            | GND              |        |                 |
   * | 42         | AREF             |  PA03  |                 | EIC/EXTINT[3] *[ADC|DAC]/VREFA ADC/AIN[1] PTC/Y[1]
   * +------------+------------------+--------+-----------------+--------------------------------------------------------------------------------------------------------
   * |            |32.768KHz Crystal |        |                 |
   * +------------+------------------+--------+-----------------+--------------------------------------------------------------------------------------------------------
   * |            |                  |  PA00  | XIN32           | EIC/EXTINT[0] SERCOM1/PAD[0] TCC2/WO[0]
   * |            |                  |  PA01  | XOUT32          | EIC/EXTINT[1] SERCOM1/PAD[1] TCC2/WO[1]
   * +------------+------------------+--------+-----------------+--------------------------------------------------------------------------------------------------------
   */
  
  
  #include "variant.h"
  
  /*
   * Pins descriptions
   */
  const PinDescription g_APinDescription[]=
  {
    // 0..13 - Digital pins
    // ----------------------
    // 0/1 - SERCOM/UART (Serial1)
    { PORTA, 11, PIO_SERCOM, (PIN_ATTR_DIGITAL), No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_11 }, // RX: SERCOM0/PAD[3]
    { PORTA, 10, PIO_SERCOM, (PIN_ATTR_DIGITAL), No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_10 }, // TX: SERCOM0/PAD[2]
  
    // 2..12
    // Digital Low
    { PORTA, 14, PIO_DIGITAL, (PIN_ATTR_DIGITAL), No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_14 },
    { PORTA,  9, PIO_TIMER, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER), No_ADC_Channel, PWM0_CH1, TCC0_CH1, EXTERNAL_INT_9 }, // TCC0/WO[1]
    { PORTA,  8, PIO_TIMER, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER), No_ADC_Channel, PWM0_CH0, TCC0_CH0, EXTERNAL_INT_NMI },  // TCC0/WO[0]
    { PORTA, 15, PIO_TIMER, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER), No_ADC_Channel, PWM3_CH1, TC3_CH1, EXTERNAL_INT_15 }, // TC3/WO[1]
    { PORTA, 20, PIO_TIMER_ALT, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER_ALT), No_ADC_Channel, PWM0_CH6, TCC0_CH6, EXTERNAL_INT_4 }, // TCC0/WO[6]
    { PORTA, 21, PIO_DIGITAL, (PIN_ATTR_DIGITAL), No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_5 },
  
    // Digital High
    { PORTA,  6, PIO_TIMER, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER), No_ADC_Channel, PWM1_CH0, TCC1_CH0, EXTERNAL_INT_6 }, // TCC1/WO[0]
    { PORTA,  7, PIO_TIMER, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER), No_ADC_Channel, PWM1_CH1, TCC1_CH1, EXTERNAL_INT_7 }, // TCC1/WO[1]
    { PORTA, 18, PIO_TIMER, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER), No_ADC_Channel, PWM3_CH0, TC3_CH0, EXTERNAL_INT_2 }, // TC3/WO[0]
    { PORTA, 16, PIO_TIMER, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER), No_ADC_Channel, PWM2_CH0, TCC2_CH0, EXTERNAL_INT_0 }, // TCC2/WO[0]
    { PORTA, 19, PIO_TIMER_ALT, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER_ALT), No_ADC_Channel, PWM0_CH3, TCC0_CH3, EXTERNAL_INT_3 }, // TCC0/WO[3]
  
    // 13 (LED)
    { PORTA, 17, PIO_PWM, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER), No_ADC_Channel, PWM2_CH1, TCC2_CH1, EXTERNAL_INT_1 }, // TCC2/WO[1]
  
    // 14..19 - Analog pins
    // --------------------
    { PORTA,  2, PIO_ANALOG, PIN_ATTR_ANALOG, ADC_Channel0, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_2 }, // ADC/AIN[0]
    { PORTB,  8, PIO_ANALOG, (PIN_ATTR_PWM|PIN_ATTR_TIMER), ADC_Channel2, PWM4_CH0, TC4_CH0, EXTERNAL_INT_8 }, // ADC/AIN[2]
    { PORTB,  9, PIO_ANALOG, (PIN_ATTR_PWM|PIN_ATTR_TIMER), ADC_Channel3, PWM4_CH1, TC4_CH1, EXTERNAL_INT_9 }, // ADC/AIN[3]
    { PORTA,  4, PIO_ANALOG, 0, ADC_Channel4, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_4 }, // ADC/AIN[4]
    { PORTA,  5, PIO_ANALOG, 0, ADC_Channel5, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_5 }, // ADC/AIN[5]
    { PORTB,  2, PIO_ANALOG, 0, ADC_Channel10, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_2 }, // ADC/AIN[10]
  
    // 20..21 I2C pins (SDA/SCL and also EDBG:SDA/SCL)
    // ----------------------
    { PORTA, 22, PIO_SERCOM, PIN_ATTR_DIGITAL, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_6 }, // SDA: SERCOM3/PAD[0]
    { PORTA, 23, PIO_SERCOM, PIN_ATTR_DIGITAL, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_7 }, // SCL: SERCOM3/PAD[1]
  
    // 22..24 - SPI pins (ICSP:MISO,SCK,MOSI)
    // ----------------------
    { PORTA, 12, PIO_SERCOM_ALT, PIN_ATTR_DIGITAL, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_12 }, // MISO: SERCOM4/PAD[0]
    { PORTB, 10, PIO_SERCOM_ALT, PIN_ATTR_DIGITAL, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_10 }, // MOSI: SERCOM4/PAD[2]
    { PORTB, 11, PIO_SERCOM_ALT, PIN_ATTR_DIGITAL, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_11 }, // SCK: SERCOM4/PAD[3]
  
    // 25..26 - RX/TX LEDS (PB03/PA27)
    // --------------------
    { PORTA, 31, PIO_OUTPUT, PIN_ATTR_DIGITAL, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // used as output only
    { PORTA, 27, PIO_OUTPUT, PIN_ATTR_DIGITAL, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // used as output only
  
    // 27..29 - USB
    // --------------------
    { PORTA, 28, PIO_COM, PIN_ATTR_NONE, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // USB Host enable
    { PORTA, 24, PIO_COM, PIN_ATTR_NONE, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // USB/DM
    { PORTA, 25, PIO_COM, PIN_ATTR_NONE, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // USB/DP
  
    // 30..41 - Extra Pins
    // ----------------------
    // 30/31 - Extra UART
    { PORTB, 22, PIO_SERCOM_ALT, PIN_ATTR_NONE, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // 30/TX: SERCOM5/PAD[2]
    { PORTB, 23, PIO_SERCOM_ALT, PIN_ATTR_NONE, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // 31/RX: SERCOM5/PAD[3]
  
    // 32/33 I2C (SDA/SCL and also EDBG:SDA/SCL)
    { PORTA, 22, PIO_SERCOM, PIN_ATTR_NONE, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // SDA: SERCOM3/PAD[0]
    { PORTA, 23, PIO_SERCOM, PIN_ATTR_NONE, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // SCL: SERCOM3/PAD[1]
  
    // 34..37 - EDBG/SPI
    { PORTA, 19, PIO_SERCOM, PIN_ATTR_NONE, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // D12/MISO: SERCOM1/PAD[3]
    { PORTA, 16, PIO_SERCOM, PIN_ATTR_NONE, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // D11/MOSI: SERCOM1/PAD[0]
    { PORTA, 18, PIO_SERCOM, PIN_ATTR_NONE, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // D10/SS: SERCOM1/PAD[2]
    { PORTA, 17, PIO_SERCOM, PIN_ATTR_NONE, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // D13/SCK: SERCOM1/PAD[1]
  
    // 38..41 - EDBG/Digital
    { PORTA, 13, PIO_PWM, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM), No_ADC_Channel, PWM0_CH5, NOT_ON_TIMER, EXTERNAL_INT_13 }, // 38: EIC/EXTINT[13] *TCC2/WO[1] TCC0/WO[7]
    { PORTA, 21, PIO_PWM_ALT, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM), No_ADC_Channel, PWM0_CH7, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // D7: Pin 7
    { PORTA,  6, PIO_PWM, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM), No_ADC_Channel, PWM1_CH0, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // D8: Pin 8
    { PORTA,  7, PIO_PWM, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM), No_ADC_Channel, PWM1_CH1, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // D9: Pin 9
  
    // 42 (AREF)
    { PORTA, 3, PIO_ANALOG, PIN_ATTR_ANALOG, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // AREF: DAC/VREFP
  
    // ----------------------
    // 43 - Alternate use of A0 (DAC output)
    { PORTA,  2, PIO_ANALOG, PIN_ATTR_ANALOG, DAC_Channel0, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_2 }, // A0: DAC/VOUT
    
    // 44 - RGB LED
    { PORTA,  30, PIO_DIGITAL, (PIN_ATTR_DIGITAL), No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE },	// 44: RGB LED
  
    //45
    { PORTB, 3, PIO_SERCOM_ALT, PIN_ATTR_NONE, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE } // 31/RX: SERCOM5/PAD[3]
  
  } ;
  
  const void* g_apTCInstances[TCC_INST_NUM+TC_INST_NUM]={ TCC0, TCC1, TCC2, TC3, TC4, TC5 } ;
  
  // Multi-serial objects instantiation
  SERCOM sercom0( SERCOM0 ) ;
  SERCOM sercom1( SERCOM1 ) ;
  SERCOM sercom2( SERCOM2 ) ;
  SERCOM sercom3( SERCOM3 ) ;
  SERCOM sercom4( SERCOM4 ) ;
  SERCOM sercom5( SERCOM5 ) ;
  
  Uart Serial1( &sercom0, PIN_SERIAL1_RX, PIN_SERIAL1_TX, PAD_SERIAL1_RX, PAD_SERIAL1_TX ) ;
  //Uart Serial( &sercom5, PIN_SERIAL_RX, PIN_SERIAL_TX, PAD_SERIAL_RX, PAD_SERIAL_TX ) ;
  void SERCOM0_Handler()
  {
    Serial1.IrqHandler();
  }
  
  //void SERCOM5_Handler()
  //{
  //  Serial.IrqHandler();
  //}
  
  