forked from arduino/ArduinoCore-samd
/
variant.cpp
121 lines (97 loc) · 7.96 KB
/
variant.cpp
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/*
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
*/
#include "variant.h"
/*
* Pins descriptions
*/
const PinDescription g_APinDescription[]=
{
// 0..13 - Digital pins
// ----------------------
// 0/1 - SERCOM/UART (Serial1)
{ PORTB, 9, PIO_SERCOM_ALT, (PIN_ATTR_PWM|PIN_ATTR_TIMER), ADC_Channel3, PWM4_CH1, TC4_CH1, EXTERNAL_INT_9 }, // GPIO 0 / A6 / UART RX
{ PORTB, 8, PIO_SERCOM_ALT, (PIN_ATTR_PWM|PIN_ATTR_TIMER), ADC_Channel2, PWM4_CH0, TC4_CH0, EXTERNAL_INT_8 }, // GPIO 1 / A7 / UART TX
// 2..12
// Digital Low
{ PORTB, 2, PIO_SERCOM_ALT, 0, ADC_Channel10, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_2 }, // GPIO D2 / A5 / SDA
{ PORTB, 3, PIO_SERCOM_ALT, PIN_ATTR_DIGITAL, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_3 }, // GPIO D3 / A4 / SCL
{ PORTA, 28, PIO_COM, PIN_ATTR_NONE, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_8 }, // GPIO D4 / Left Button
{ PORTA, 14, PIO_DIGITAL, (PIN_ATTR_DIGITAL), No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_14 }, // GPIO D5 / Right button
{ PORTA, 5, PIO_SERCOM_ALT, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER), ADC_Channel5, PWM0_CH1, TCC0_CH1, EXTERNAL_INT_5 }, // GPIO D6 / A1
{ PORTA, 15, PIO_TIMER, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER), No_ADC_Channel, PWM3_CH1, TC3_CH1, EXTERNAL_INT_15 }, // GPIO D7 / Slide Switch
// Digital High
{ PORTB, 23, PIO_DIGITAL, PIN_ATTR_NONE, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_7 }, // GPIO D8 / NeoPixels
{ PORTA, 6, PIO_SERCOM_ALT, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER), ADC_Channel6, PWM1_CH0, TCC1_CH0, EXTERNAL_INT_6 }, // GPIO D9 / A2
{ PORTA, 7, PIO_SERCOM_ALT, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER), ADC_Channel7, PWM1_CH1, TCC1_CH1, EXTERNAL_INT_7 }, // GPIO D10 / A3
{ PORTA, 30, PIO_DIGITAL, PIN_ATTR_DIGITAL, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_10 }, // GPIO D11 / Speaker Shutdown
{ PORTA, 2, PIO_DIGITAL, (PIN_ATTR_DIGITAL|PIN_ATTR_ANALOG), ADC_Channel0, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_2 }, // GPIO D12 / VOut / A0
// 13 (LED)
{ PORTA, 17, PIO_TIMER, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER), No_ADC_Channel, PWM2_CH1, TCC2_CH1, EXTERNAL_INT_1 }, // GPIO D13 / Red LED
// 14..24 - Analog pins
// --------------------
{ PORTA, 2, PIO_ANALOG, (PIN_ATTR_DIGITAL|PIN_ATTR_ANALOG), ADC_Channel0, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_2 }, // A0 (Same as D12)
{ PORTA, 5, PIO_ANALOG, (PIN_ATTR_DIGITAL|PIN_ATTR_ANALOG), ADC_Channel5, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_5 }, // A1 (Same as D6)
{ PORTA, 6, PIO_ANALOG, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER|PIN_ATTR_ANALOG), ADC_Channel6, PWM1_CH0, TCC1_CH0, EXTERNAL_INT_6 }, // A2 (Same as D9)
{ PORTA, 7, PIO_ANALOG, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER|PIN_ATTR_ANALOG), ADC_Channel7, PWM1_CH1, TCC1_CH1, EXTERNAL_INT_7 }, // A3 (Same as D10
{ PORTB, 3, PIO_ANALOG, (PIN_ATTR_DIGITAL|PIN_ATTR_ANALOG), ADC_Channel11, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_3 }, // A4 (Same as D3)
{ PORTB, 2, PIO_ANALOG, (PIN_ATTR_DIGITAL|PIN_ATTR_ANALOG), ADC_Channel10, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_2 }, // A5 (Same as D2)
{ PORTB, 9, PIO_ANALOG, (PIN_ATTR_DIGITAL|PIN_ATTR_ANALOG|PIN_ATTR_PWM|PIN_ATTR_TIMER), ADC_Channel3, PWM4_CH1, TC4_CH1, EXTERNAL_INT_9 }, // A6 (Same as D0)
{ PORTB, 8, PIO_ANALOG, (PIN_ATTR_DIGITAL|PIN_ATTR_ANALOG|PIN_ATTR_PWM|PIN_ATTR_TIMER), ADC_Channel2, PWM4_CH0, TC4_CH0, EXTERNAL_INT_8 }, // A7 (Same as D1)
{ PORTA, 11, PIO_ANALOG, (PIN_ATTR_DIGITAL|PIN_ATTR_ANALOG), ADC_Channel19, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_11 }, // A8 / Light Sensor
{ PORTA, 9, PIO_ANALOG, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER|PIN_ATTR_ANALOG), ADC_Channel17, PWM0_CH1, TCC0_CH1, EXTERNAL_INT_9 }, // A9 / Thermistor
{ PORTA, 4, PIO_ANALOG, (PIN_ATTR_DIGITAL|PIN_ATTR_ANALOG), ADC_Channel4, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_4 }, // A10 Proximity
// GPIO 25 / IR Transmit
{ PORTA, 23, PIO_DIGITAL, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER), No_ADC_Channel, PWM4_CH1, TC4_CH1, EXTERNAL_INT_7 }, // GPIO D25 - IR Transmitter
// GPIO 26 / IR Remote in
{ PORTA, 12, PIO_DIGITAL, PIN_ATTR_DIGITAL, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_12 }, // GPIO D26 - IR Receiver
// GPIO 27 (LIS IRQ)
{ PORTA, 13, PIO_PWM, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM), No_ADC_Channel, PWM0_CH5, NOT_ON_TIMER, EXTERNAL_INT_13 }, // EIC/EXTINT[13] *TCC2/WO[1] TCC0/WO[7]
// GPIO 28 & 29 internal I2C (original xtal pins)
{ PORTA, 0, PIO_SERCOM_ALT, PIN_ATTR_NONE, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_0 }, // Internal SDA
{ PORTA, 1, PIO_SERCOM_ALT, PIN_ATTR_NONE, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_1 }, // Internal SCL
// GPIO 30, 31, 32 Internal SPI
{ PORTA, 16, PIO_SERCOM_ALT, PIN_ATTR_NONE, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // MISO: SERCOM3/PAD[0]
{ PORTA, 21, PIO_SERCOM_ALT, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM), No_ADC_Channel, PWM0_CH7, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // SCK: SERCOM3/PAD[3]
{ PORTA, 20, PIO_SERCOM_ALT, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER_ALT), No_ADC_Channel, PWM0_CH6, TCC0_CH6, EXTERNAL_INT_4 }, // MOSI: SERCOM3/PAD[2]
// GPIO 33 (Flash CS)
{ PORTB, 22, PIO_DIGITAL, PIN_ATTR_NONE, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE },
// GPIO 34 (I2S SCK)
{ PORTA, 10, PIO_DIGITAL, (PIN_ATTR_DIGITAL|PIN_ATTR_ANALOG), ADC_Channel18, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_10 },
// GPIO 35 (I2S Datain)
{ PORTA, 8, PIO_DIGITAL, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER|PIN_ATTR_ANALOG), ADC_Channel16, PWM0_CH0, TCC0_CH0, EXTERNAL_INT_NMI },
// 36..38 - USB
// --------------------
{ PORTA, 22, PIO_SERCOM, PIN_ATTR_NONE, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // GPIO 29 - Host USB (not used)
{ 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
// 39-42 External SPI
{ PORTB, 2, PIO_SERCOM_ALT, PIN_ATTR_DIGITAL, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_2 }, // GPIO D2 / A5 / SDA
{ PORTB, 3, PIO_SERCOM_ALT, PIN_ATTR_DIGITAL, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_3 }, // GPIO D3 / A4 / SCL
{ PORTB, 10, PIO_SERCOM_ALT, PIN_ATTR_DIGITAL, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_10 }, // Not available
{ PORTB, 11, PIO_SERCOM_ALT, PIN_ATTR_DIGITAL, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_11 }, // Not available
} ;
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( &sercom4, PIN_SERIAL1_RX, PIN_SERIAL1_TX, PAD_SERIAL1_RX, PAD_SERIAL1_TX ) ;
void SERCOM4_Handler()
{
Serial1.IrqHandler();
}