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variant.cpp
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113 lines (90 loc) · 6.6 KB
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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/I2C
{ PORTA, 0, PIO_SERCOM_ALT, PIN_ATTR_NONE, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // SDA
{ PORTA, 1, PIO_SERCOM_ALT, PIN_ATTR_NONE, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // SCL
// D2..D5 - Drive 1 thru 4
{ PORTA, 13, PIO_TIMER, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER), No_ADC_Channel, PWM2_CH1, TCC2_CH1, EXTERNAL_INT_13 }, // Drive 1
{ PORTA, 12, PIO_TIMER, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER), No_ADC_Channel, PWM2_CH0, TCC2_CH0, EXTERNAL_INT_12 }, // Drive 2
{ PORTB, 11, PIO_TIMER, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER), No_ADC_Channel, PWM5_CH1, TC5_CH1, EXTERNAL_INT_11 }, // Drive 3
{ PORTB, 10, PIO_TIMER, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER), No_ADC_Channel, PWM5_CH0, TC5_CH0, EXTERNAL_INT_10 }, // Drive 4
// D6..D9 - Servo 1 thru 4
{ PORTA, 17, PIO_TIMER_ALT, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER_ALT), No_ADC_Channel, PWM0_CH7, TCC0_CH7, EXTERNAL_INT_1 },
{ PORTA, 16, PIO_TIMER_ALT, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER_ALT), No_ADC_Channel, PWM0_CH6, TCC0_CH6, EXTERNAL_INT_0 },
{ PORTA, 15, PIO_TIMER_ALT, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER_ALT), No_ADC_Channel, PWM0_CH5, TCC0_CH5, EXTERNAL_INT_15 },
{ PORTA, 14, PIO_TIMER_ALT, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER_ALT), No_ADC_Channel, PWM0_CH4, TCC0_CH4, EXTERNAL_INT_14 },
// D10 Internal NeoPixel
{ PORTA, 27, PIO_DIGITAL, PIN_ATTR_DIGITAL, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_15 },
// D11 External NeoPixel
{ 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 },
// D12 IRQ
{ PORTA, 28, PIO_DIGITAL, PIN_ATTR_DIGITAL, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_8 },
// 13 (LED)
{ PORTB, 22, PIO_SERCOM_ALT, PIN_ATTR_NONE, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // Yellow LED next to USB
// A0-A8 - Analog signal pins
// A0 is duplicated since we mark it starting at analog1, so might as well!
{ PORTA, 2, PIO_ANALOG, PIN_ATTR_ANALOG, ADC_Channel0, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_2 }, // Analog 0 == 1
{ PORTA, 2, PIO_ANALOG, PIN_ATTR_ANALOG, ADC_Channel0, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_2 }, // Analog 1
{ PORTA, 3, PIO_ANALOG, PIN_ATTR_ANALOG, ADC_Channel1, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // Analog 2
{ PORTB, 8, PIO_ANALOG, (PIN_ATTR_PWM|PIN_ATTR_TIMER), ADC_Channel2, PWM4_CH0, TC4_CH0, EXTERNAL_INT_8 }, // Analog 3
{ PORTB, 9, PIO_ANALOG, (PIN_ATTR_PWM|PIN_ATTR_TIMER), ADC_Channel3, PWM4_CH1, TC4_CH1, EXTERNAL_INT_9 }, // Analog 4
{ PORTA, 11, PIO_ANALOG, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER|PIN_ATTR_ANALOG), ADC_Channel19, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_11 }, // A5
{ PORTA, 10, PIO_ANALOG, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER|PIN_ATTR_ANALOG), ADC_Channel18, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_10 }, // A6
{ 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 }, // A7
{ PORTA, 8, PIO_ANALOG, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER|PIN_ATTR_ANALOG), ADC_Channel16, PWM0_CH0, TCC0_CH0, EXTERNAL_INT_NMI }, // A8
// A9-A12 - 4 Captouch pins (also analog!)
{ PORTA, 4, PIO_ANALOG, 0, ADC_Channel4, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_4 }, // Captouch 1
{ PORTA, 5, PIO_ANALOG, 0, ADC_Channel5, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_5 }, // Captouch 2
{ PORTA, 6, PIO_ANALOG, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER), ADC_Channel6, PWM1_CH0, TCC1_CH0, EXTERNAL_INT_6 }, // Captouch 3
{ PORTA, 7, PIO_ANALOG, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER), ADC_Channel7, PWM1_CH1, TCC1_CH1, EXTERNAL_INT_7 }, // Captouch 4
// A13 - VIN sense pin
{ PORTB, 3, PIO_ANALOG, 0, ADC_Channel11, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_3 }, // VIN sense divider
/**************/
// 28..31 - 4 Motor PWM pins
{ PORTA, 22, PIO_TIMER, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER), No_ADC_Channel, PWM4_CH0, TC4_CH1, EXTERNAL_INT_6 }, // TC4/WO[0]
{ PORTA, 23, PIO_TIMER, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER), No_ADC_Channel, PWM4_CH1, TC4_CH1, EXTERNAL_INT_7 }, // TC4/WO[1]
{ PORTA, 19, PIO_TIMER, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER), No_ADC_Channel, PWM3_CH1, TC3_CH1, EXTERNAL_INT_3 }, // TC3/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]
// 32..34 - 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
// 35..36 - fake sercom 5 serial
{ PORTB, 2, PIO_SERCOM_ALT, PIN_ATTR_NONE, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_2 }, // Sercom 5.0 UART TX
{ PORTB, 23, PIO_SERCOM_ALT, PIN_ATTR_NONE, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_7 }, // Sercom 5.3 UART RX
} ;
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( &sercom5, PIN_SERIAL1_RX, PIN_SERIAL1_TX, PAD_SERIAL1_RX, PAD_SERIAL1_TX ) ;
void SERCOM5_Handler()
{
Serial1.IrqHandler();
}
const int PINS_COUNT = sizeof(g_APinDescription)/sizeof(*g_APinDescription);