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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)
{ PORTA, 23, PIO_SERCOM, PIN_ATTR_PWM_G, No_ADC_Channel, TCC0_CH3, TC4_CH1, EXTERNAL_INT_7 }, // RX: SERCOM3/PAD[1]
{ PORTA, 22, PIO_SERCOM, PIN_ATTR_PWM_G, No_ADC_Channel, TCC0_CH2, TC4_CH0, EXTERNAL_INT_6 }, // TX: SERCOM3/PAD[0]
// 2..12
// Digital Low
{ PORTB, 17, PIO_DIGITAL, PIN_ATTR_PWM_G, No_ADC_Channel, TCC0_CH5, NOT_ON_TIMER, EXTERNAL_INT_1 }, // d2
{ PORTB, 16, PIO_DIGITAL, PIN_ATTR_PWM_G, No_ADC_Channel, TCC0_CH4, NOT_ON_TIMER, EXTERNAL_INT_0 }, // d3
{ PORTB, 13, PIO_DIGITAL, PIN_ATTR_PWM_F, No_ADC_Channel, TCC3_CH1, TC4_CH1, EXTERNAL_INT_13 }, // d4
{ PORTB, 14, PIO_DIGITAL, PIN_ATTR_PWM_F, No_ADC_Channel, TCC4_CH0, TC5_CH0, EXTERNAL_INT_14 }, // d5
{ PORTB, 15, PIO_DIGITAL, PIN_ATTR_PWM_F, No_ADC_Channel, TCC4_CH1, TC5_CH1, EXTERNAL_INT_15 }, // d6
{ PORTB, 12, PIO_DIGITAL, PIN_ATTR_PWM_F, No_ADC_Channel, TCC3_CH0, TC4_CH0, EXTERNAL_INT_12 }, // d7
// Digital High
{ PORTA, 21, PIO_DIGITAL, PIN_ATTR_PWM_G, No_ADC_Channel, TCC0_CH1, NOT_ON_TIMER, EXTERNAL_INT_5 }, // d8
{ PORTA, 20, PIO_DIGITAL, PIN_ATTR_PWM_G, No_ADC_Channel, TCC0_CH0, NOT_ON_TIMER, EXTERNAL_INT_4 }, // d9
{ PORTA, 18, PIO_DIGITAL, PIN_ATTR_PWM_F, No_ADC_Channel, TCC1_CH2, TC3_CH0, EXTERNAL_INT_2 }, // d10
{ PORTA, 19, PIO_DIGITAL, PIN_ATTR_PWM_F, No_ADC_Channel, TCC1_CH3, TC3_CH1, EXTERNAL_INT_3 }, // d11
{ PORTA, 17, PIO_DIGITAL, PIN_ATTR_PWM_F, No_ADC_Channel, TCC1_CH1, TC2_CH1, EXTERNAL_INT_1 }, // d12
// 13 (LED)
{ PORTA, 16, PIO_DIGITAL, PIN_ATTR_PWM_F, No_ADC_Channel, TCC1_CH0, TC2_CH0, EXTERNAL_INT_0 },
// 14..19 - Analog pins
// --------------------
{ PORTA, 2, PIO_ANALOG, PIN_ATTR_ANALOG, ADC_Channel0, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_2 },
{ PORTA, 5, PIO_ANALOG, PIN_ATTR_ANALOG, ADC_Channel5, NOT_ON_PWM, TC0_CH1, EXTERNAL_INT_5 },
{ PORTA, 6, PIO_ANALOG, (PIN_ATTR_ANALOG|PIN_ATTR_PWM_E), ADC_Channel6, TC1_CH0, TC1_CH0, EXTERNAL_INT_6 },
{ PORTA, 4, PIO_ANALOG, (PIN_ATTR_ANALOG|PIN_ATTR_PWM_E), ADC_Channel4, TC0_CH0, TC0_CH0, EXTERNAL_INT_4 },
{ PORTB, 8, PIO_ANALOG, (PIN_ATTR_ANALOG|PIN_ATTR_PWM_E), ADC_Channel2, TC4_CH0, TC4_CH0, EXTERNAL_INT_8 },
{ PORTB, 9, PIO_ANALOG, (PIN_ATTR_ANALOG|PIN_ATTR_PWM_E), ADC_Channel3, TC4_CH1, TC4_CH1, EXTERNAL_INT_9 },
// Extra Analog pins! 20..21
{ PORTB, 2, PIO_ANALOG, PIN_ATTR_ANALOG, ADC_Channel14, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_2 }, // same as sda
{ PORTB, 3, PIO_ANALOG, PIN_ATTR_ANALOG, ADC_Channel15, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_3 }, //same as scl
// 22..23 I2C pins (SDA/SCL)
// ----------------------
{ PORTB, 2, PIO_SERCOM_ALT, PIN_ATTR_PWM_F, No_ADC_Channel, TCC2_CH2, NOT_ON_TIMER, EXTERNAL_INT_2 }, //sda
{ PORTB, 3, PIO_SERCOM_ALT, PIN_ATTR_DIGITAL, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_3 }, //scl
// 24..26 - SPI pins (ICSP:MISO,SCK,MOSI)
// ----------------------
{ PORTA, 14, PIO_SERCOM, PIN_ATTR_PWM_E, No_ADC_Channel, TC3_CH0, TC3_CH0, EXTERNAL_INT_14 },
{ PORTA, 13, PIO_SERCOM, PIN_ATTR_PWM_E, No_ADC_Channel, TC2_CH1, TC2_CH1, EXTERNAL_INT_13 },
{ PORTA, 12, PIO_SERCOM, PIN_ATTR_PWM_E, No_ADC_Channel, TC2_CH0, TC2_CH0, EXTERNAL_INT_12 },
// 27..28 - RX/TX LEDS (PB06/PA27)
// --------------------
{ PORTB, 6, PIO_OUTPUT, PIN_ATTR_DIGITAL, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_6 }, // used as output only
{ PORTA, 27, PIO_OUTPUT, PIN_ATTR_DIGITAL, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_11 }, // used as output only
// 29..31 - USB
// --------------------
{ PORTB, 7, PIO_COM, PIN_ATTR_DIGITAL, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_7 }, // USB Host enable
{ PORTA, 24, PIO_COM, PIN_ATTR_NONE, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_8 }, // USB/DM
{ PORTA, 25, PIO_COM, PIN_ATTR_NONE, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_9 }, // USB/DP
// 32..34 - Secondary SPI
// ----------------------
{ PORTA, 18, PIO_SERCOM, PIO_SERCOM, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_2 }, //same as d10
{ PORTA, 19, PIO_SERCOM, PIO_SERCOM, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_3 }, //same as d11
{ PORTA, 17, PIO_SERCOM, PIO_SERCOM, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_1 }, //same as d12
// 35 - Secondary SPI cs
{ PORTA, 16, PIO_DIGITAL, PIN_ATTR_DIGITAL, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_0 }, //same as d10
// 36 (AREF)
{ PORTA, 3, PIO_ANALOG, PIN_ATTR_ANALOG, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_3 }, // DAC/VREFP
// ----------------------
// 37 - 38 Alternate use of A0 and A1 (DAC output)
{ PORTA, 2, PIO_ANALOG, PIN_ATTR_ANALOG, DAC_Channel0, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_2 }, // DAC/VOUT[0]
{ PORTA, 5, PIO_ANALOG, PIN_ATTR_ANALOG, DAC_Channel1, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_5 }, // DAC/VOUT[1]
// 39 - LED #13 duplicate placeholder
{ PORTA, 16, PIO_DIGITAL, PIN_ATTR_PWM_F, No_ADC_Channel, TCC1_CH0, TC2_CH0, EXTERNAL_INT_0 },
// 40 - Internal NeoPixel
{ PORTB, 22, PIO_DIGITAL, PIN_ATTR_DIGITAL, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_6 }, // used as output only
// ----------------------
// 41 - 46 QSPI (SCK, CS, IO0, IO1, IO2, IO3)
{ PORTB, 10, PIO_COM, PIN_ATTR_NONE, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_10 },
{ PORTB, 11, PIO_COM, PIN_ATTR_NONE, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_11 },
{ PORTA, 8, PIO_COM, PIN_ATTR_NONE, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NMI },
{ PORTA, 9, PIO_COM, PIN_ATTR_NONE, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_9 },
{ PORTA, 10, PIO_COM, PIN_ATTR_NONE, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_10 },
{ PORTA, 11, PIO_COM, PIN_ATTR_NONE, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_11 },
} ;
const void* g_apTCInstances[TCC_INST_NUM+TC_INST_NUM]={ TCC0, TCC1, TCC2, TCC3, TCC4, TC0, TC1, TC2, TC3, TC4, TC5 } ;
const uint32_t GCLK_CLKCTRL_IDs[TCC_INST_NUM+TC_INST_NUM] = { TCC0_GCLK_ID, TCC1_GCLK_ID, TCC2_GCLK_ID, TCC3_GCLK_ID, TCC4_GCLK_ID, TC0_GCLK_ID, TC1_GCLK_ID, TC2_GCLK_ID, TC3_GCLK_ID, TC4_GCLK_ID, TC5_GCLK_ID } ;
// Multi-serial objects instantiation
SERCOM sercom0( SERCOM0 ) ;
SERCOM sercom1( SERCOM1 ) ;
SERCOM sercom2( SERCOM2 ) ;
SERCOM sercom3( SERCOM3 ) ;
SERCOM sercom4( SERCOM4 ) ;
SERCOM sercom5( SERCOM5 ) ;
Uart Serial1( &sercom3, PIN_SERIAL1_RX, PIN_SERIAL1_TX, PAD_SERIAL1_RX, PAD_SERIAL1_TX ) ;
void SERCOM3_0_Handler()
{
Serial1.IrqHandler();
}
void SERCOM3_1_Handler()
{
Serial1.IrqHandler();
}
void SERCOM3_2_Handler()
{
Serial1.IrqHandler();
}
void SERCOM3_3_Handler()
{
Serial1.IrqHandler();
}
const int PINS_COUNT = sizeof(g_APinDescription)/sizeof(*g_APinDescription);