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variant.cpp
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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"
#include "Arduino.h"
/*
* Pins descriptions
*/
const PinDescription g_APinDescription[] = {
/*
+------------+------------------+--------+-----------------+--------+-----------------------+---------+---------+--------+--------+----------+----------+
| Pin number | NANO Board pin | PIN | Notes | Peri.A | Peripheral B | Perip.C | Perip.D | Peri.E | Peri.F | Periph.G | Periph.H |
| | | | | EIC | ADC | AC | PTC | DAC | SERCOMx | SERCOMx | TCCx | TCCx | COM | AC/GLCK |
| | | | |(EXTINT)|(AIN)|(AIN)| | | (x/PAD) | (x/PAD) | (x/WO) | (x/WO) | | |
+------------+------------------+--------+-----------------+--------+-----+-----+-----+-----+---------+---------+--------+--------+----------+----------+
| | Digital Low | | | | | | | | | | | | | |
+------------+------------------+--------+-----------------+--------+-----+-----+-----+-----+---------+---------+--------+--------+----------+----------+
| 0 | 0 -> RX | PB23 | | 07 | | | | | | *5/03 | TC7/1 | | | GCLK_IO1 |
| 1 | 1 <- TX | PB22 | | 06 | | | | | | *5/02 | TC7/0 | | | GCLK_IO0 |
| 2 | ~D2 | PB10 | | *10 | | | | | | 4/02 |* TC5/0 | TCC0/4 | I2S/MCK1 | GCLK_IO4 |
| 3 | ~D3 | PB11 | | *11 | | | | | | 4/03 |* TC5/1 | TCC0/5 | I2S/SCK1 | GCLK_IO5 |
| 4 | D4 | PA07 | | 07 | *07 | 03 | Y05 | | | 0/03 |*TCC1/1 | | I2S/SD0 | |
| 5 | ~D5 | PA05 | | 05 | *05 | 01 | Y03 | | | 0/01 |*TCC0/1 | | | |
| 6 | ~D6 | PA04 | | 04 | *04 | 00 | Y02 | | | 0/00 |*TCC0/0 | | | |
| 7 | D7 | PA06 | | 06 | *06 | 02 | Y04 | | | 0/02 | TCC1/0 | | | |
+------------+------------------+--------+-----------------+------------------------------------------+---------+--------+------------------------------+
| | Digital High | | | | | | | | | | | | | |
+------------+------------------+--------+-----------------+--------+-----+-----+-----+-----+---------+---------+--------+--------+----------+----------+
| 8 | D8 | PA18 | | 02 | | | X06 | | 1/02 | 3/02 | TC3/0 | TCC0/2 | | AC/CMP0 |
| 9 | ~D9 | PA20 | | *04 | | | X08 | | 5/02 | 3/02 | TC7/0 |*TCC0/6 | | GCLK_IO4 |
| 10 | ~D10 | PA21 | | *05 | | | X09 | | 5/03 | 3/02 | TC7/1 |*TCC0/7 | I2S/FS0 | GCLK_IO5 |
| 11 | ~D11 | PA16 | | *00 | | | X04 | | *1/00 | 3/00 |*TCC2/0 | TCC0/6 | | GCLK_IO2 |
| 12 | ~D12 | PA19 | | 03 | | | X07 | | *1/03 | 3/03 |* TC3/1 | TCC0/3 | I2S/SD0 | AC/CMP0 |
| 13 | D13 | PA17 | LED | 01 | | | X05 | | *1/01 | 3/01 | TCC2/1 | TCC0/7 | | GCLK_IO3 |
+------------+------------------+--------+-----------------+--------+-----+-----+-----+-----+---------+---------+--------+--------+----------+----------+
*/
// 0/1 - SERCOM/UART
{ PORTB, 23, PIO_SERCOM_ALT, (PIN_ATTR_DIGITAL ), No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // RX: SERCOM5/PAD[3]
{ PORTB, 22, PIO_SERCOM_ALT, (PIN_ATTR_DIGITAL ), No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // TX: SERCOM5/PAD[2]
// 2..7
// Digital Low
{ PORTB, 10, PIO_DIGITAL, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER ), No_ADC_Channel, PWM5_CH0, TC5_CH0, EXTERNAL_INT_10 },
{ PORTB, 11, PIO_DIGITAL, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER ), No_ADC_Channel, PWM5_CH1, TC5_CH1, EXTERNAL_INT_11 },
{ PORTA, 7, PIO_DIGITAL, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER ), ADC_Channel7, PWM1_CH1, TCC1_CH1, EXTERNAL_INT_NONE },
{ PORTA, 5, PIO_DIGITAL, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER ), ADC_Channel5, PWM0_CH1, TCC0_CH1, EXTERNAL_INT_NONE },
{ PORTA, 4, PIO_DIGITAL, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER ), ADC_Channel4, PWM0_CH0, TCC0_CH0, EXTERNAL_INT_NONE },
{ PORTA, 6, PIO_DIGITAL, (PIN_ATTR_DIGITAL ), ADC_Channel6, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE },
// 8..12
// Digital High
{ PORTA, 18, PIO_DIGITAL, (PIN_ATTR_DIGITAL ), No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE },
{ PORTA, 20, PIO_DIGITAL, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER_ALT), No_ADC_Channel, PWM0_CH6, TCC0_CH6, EXTERNAL_INT_4 },
{ PORTA, 21, PIO_DIGITAL, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER_ALT), No_ADC_Channel, PWM0_CH7, TCC0_CH7, EXTERNAL_INT_5 },
{ PORTA, 16, PIO_SERCOM, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER ), No_ADC_Channel, PWM2_CH0, TCC2_CH0, EXTERNAL_INT_0 }, // MOSI: SERCOM1/PAD[0]
{ PORTA, 19, PIO_SERCOM, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER ), No_ADC_Channel, PWM3_CH1, TC3_CH1, EXTERNAL_INT_NONE }, // MISO: SERCOM1/PAD[3]
// 13 (LED)
{ PORTA, 17, PIO_SERCOM, (PIN_ATTR_DIGITAL ), No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_1 }, // SCK: SERCOM1/PAD[1]
/*
+------------+------------------+--------+-----------------+--------+-----------------------+---------+---------+--------+--------+----------+----------+
| Pin number | NANO Board pin | PIN | Notes | Peri.A | Peripheral B | Perip.C | Perip.D | Peri.E | Peri.F | Periph.G | Periph.H |
| | | | | EIC | ADC | AC | PTC | DAC | SERCOMx | SERCOMx | TCCx | TCCx | COM | AC/GLCK |
| | | | |(EXTINT)|(AIN)|(AIN)| | | (x/PAD) | (x/PAD) | (x/WO) | (x/WO) | | |
+------------+------------------+--------+-----------------+--------+-----+-----+-----+-----+---------+---------+--------+--------+----------+----------+
| | Analog Connector | | | | | | | | | | | | | |
+------------+------------------+--------+-----------------+--------+-----+-----+-----+-----+---------+---------+--------+--------+----------+----------+
| 14 | A0 | PA02 | A0 | 02 | *00 | | Y00 | OUT | | | | | | |
| 15 | A1 | PB02 | A1 | *02 | *10 | | Y08 | | | 5/00 | TC6/0 | | | |
| 16 | A2 | PA11 | A2 | 11 | *19 | | X03 | | 0/03 | 2/03 | TCC1/1 |*TCC0/3 | I2S/FS0 | GCLK_IO5 |
| 17 | A3 | PA10 | A3 | 10 | *18 | | X02 | | 0/02 | 2/02 | TCC1/0 |*TCC0/2 | I2S/SCK0 | GCLK_IO4 |
| 18 | A4 | PB08 | A4 SDA | 08 | *02 | | Y14 | | | *4/00 | TC4/0 | | | |
| 19 | A5 | PB09 | A5 SCL | *09 | *03 | | Y15 | | | *4/01 |* TC4/1 | | | |
| 20 | A6 | PA09 | A6 | 09 | *17 | | X01 | | 0/01 | 2/01 | TCC0/1 | TCC1/3 | I2S/MCK0 | |
| 21 | A7 | PB03 | A7 | *03 | *11 | | Y09 | | | 5/01 | TC6/1 | | | |
+------------+------------------+--------+-----------------+--------+-----+-----+-----+-----+---------+---------+--------+--------+----------+----------+
*/
// 14..21 - Analog pins
{ PORTA, 2, PIO_ANALOG, (PIN_ATTR_DIGITAL|PIN_ATTR_ANALOG /*DAC*/ ), ADC_Channel0, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE },
{ PORTB, 2, PIO_ANALOG, (PIN_ATTR_DIGITAL ), ADC_Channel10, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_2 },
{ PORTA, 11, PIO_ANALOG, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER_ALT), ADC_Channel19, PWM0_CH3, TCC0_CH3, EXTERNAL_INT_NONE },
{ PORTA, 10, PIO_ANALOG, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER_ALT), ADC_Channel18, PWM0_CH2, TCC0_CH2, EXTERNAL_INT_NONE },
{ PORTB, 8, PIO_SERCOM_ALT, (PIN_ATTR_DIGITAL|PIN_ATTR_ANALOG ), ADC_Channel2, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // SDA: SERCOM4/PAD[0]
{ PORTB, 9, PIO_SERCOM_ALT, (PIN_ATTR_PWM|PIN_ATTR_TIMER ), ADC_Channel3, PWM4_CH1, TC4_CH1, EXTERNAL_INT_9 }, // SCL: SERCOM4/PAD[1]
{ PORTA, 9, PIO_ANALOG, (PIN_ATTR_DIGITAL ), ADC_Channel17, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE },
{ PORTB, 3, PIO_ANALOG, (PIN_ATTR_DIGITAL ), ADC_Channel11, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_3 },
/*
+------------+------------------+--------+-----------------+--------+-----------------------+---------+---------+--------+--------+----------+----------+
| Pin number | NANO Board pin | PIN | Notes | Peri.A | Peripheral B | Perip.C | Perip.D | Peri.E | Peri.F | Periph.G | Periph.H |
| | | | | EIC | ADC | AC | PTC | DAC | SERCOMx | SERCOMx | TCCx | TCCx | COM | AC/GLCK |
| | | | |(EXTINT)|(AIN)|(AIN)| | | (x/PAD) | (x/PAD) | (x/WO) | (x/WO) | | |
+------------+------------------+--------+-----------------+--------+-----+-----+-----+-----+---------+---------+--------+--------+----------+----------+
| |SPI (Legacy ICSP) | | | | | | | | | | | | | |
+------------+------------------+--------+-----------------+--------+-----+-----+-----+-----+---------+---------+--------+--------+----------+----------+
| 22 | 1 | PA12 | NINA_MOSI | 12 | | | | | *2/00 | 4/00 | TCC2/0 | TCC0/6 | | AC/CMP0 |
| 23 | 2 | PA13 | NINA_MISO | 13 | | | | | *2/01 | 4/01 | TCC2/1 | TCC0/7 | | AC/CMP1 |
| 24 | 4 | PA14 | NINA_CS | 14 | | | | | 2/02 | 4/02 | TC3/0 | TCC0/4 | | GCLK_IO0 |
| 25 | 3 | PA15 | NINA_SCK | 15 | | | | | *2/03 | 4/03 | TC3/1 | TCC0/5 | | GCLK_IO1 |
| 26 | | PA27 | NINA_GPIO0 | *15 | | | | | | | | | | GCLK_IO0 |
| 27 | | PA08 | NINA_RESETN | NMI | 16 | | X00 | | 0/00 | 2/00 | TCC0/0 | TCC1/2 | I2S/SD1 | |
| 28 | | PA28 | NINA_ACK | 08 | | | | | | | | | | GCLK_IO0 |
+------------+------------------+--------+-----------------+--------+-----+-----+-----+-----+---------+---------+--------+--------+----------+----------+
*/
{ PORTA, 12, PIO_SERCOM, (PIN_ATTR_NONE ), No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // MOSI: SERCOM2/PAD[0]
{ PORTA, 13, PIO_SERCOM, (PIN_ATTR_NONE ), No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // MISO: SERCOM2/PAD[1]
{ PORTA, 14, PIO_DIGITAL,(PIN_ATTR_NONE ), No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // SS: as GPIO
{ PORTA, 15, PIO_SERCOM, (PIN_ATTR_NONE ), No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // SCK: SERCOM2/PAD[3]
{ PORTA, 27, PIO_DIGITAL,(PIN_ATTR_NONE ), No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_15 },
{ PORTA, 8, PIO_DIGITAL,(PIN_ATTR_DIGITAL ), No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE },
{ PORTA, 28, PIO_DIGITAL,(PIN_ATTR_DIGITAL ), No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE },
/*
+------------+------------------+--------+-----------------+--------+-----------------------+---------+---------+--------+--------+----------+----------+
| Pin number | NANO Board pin | PIN | Notes | Peri.A | Peripheral B | Perip.C | Perip.D | Peri.E | Peri.F | Periph.G | Periph.H |
| | | | | EIC | ADC | AC | PTC | DAC | SERCOMx | SERCOMx | TCCx | TCCx | COM | AC/GLCK |
| | | | |(EXTINT)|(AIN)|(AIN)| | | (x/PAD) | (x/PAD) | (x/WO) | (x/WO) | | |
+------------+------------------+--------+-----------------+--------+-----+-----+-----+-----+---------+---------+--------+--------+----------+----------+
| | USB | | | | | | | | | | | | | |
| 29 | | PA22 | | *06 | | | X10 | | 3/00 | 5/00 |* TC4/0 | TCC0/4 | | GCLK_IO6 |
| 30 | | PA23 | | *07 | | | X11 | | 3/01 | 5/01 |* TC4/1 | TCC0/5 | USB/SOF | GCLK_IO7 |
| 31 | | PA24 | USB_N | 12 | | | | | 3/02 | 5/02 | TC5/0 | TCC1/2 | USB/DM | |
| 32 | | PA25 | USB_P | 13 | | | | | 3/03 | 5/03 | TC5/1 | TCC1/3 | USB/DP | |
+------------+------------------+--------+-----------------+--------+-----+-----+-----+-----+---------+---------+--------+--------+----------+----------+
*/
/* SerialNINA 29..30 */
{ PORTA, 22, PIO_SERCOM, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER ), No_ADC_Channel, PWM4_CH0, TC4_CH0, EXTERNAL_INT_6 },
{ PORTA, 23, PIO_SERCOM, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER ), No_ADC_Channel, PWM4_CH1, TC4_CH1, EXTERNAL_INT_7 },
// 31..32 - USB
{ 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
/*
+------------+------------------+--------+-----------------+--------+-----------------------+---------+---------+--------+--------+----------+----------+
| Pin number | NANO Board pin | PIN | Notes | Peri.A | Peripheral B | Perip.C | Perip.D | Peri.E | Peri.F | Periph.G | Periph.H |
| | | | | EIC | ADC | AC | PTC | DAC | SERCOMx | SERCOMx | TCCx | TCCx | COM | AC/GLCK |
| | | | |(EXTINT)|(AIN)|(AIN)| | | (x/PAD) | (x/PAD) | (x/WO) | (x/WO) | | |
+------------+------------------+--------+-----------------+--------+-----+-----+-----+-----+---------+---------+--------+--------+----------+----------+
| 33 | AREF | PA03 | | 03 | 01 | | Y01 | | | | | | | |
+------------+------------------+--------+-----------------+--------+-----+-----+-----+-----+---------+---------+--------+--------+----------+----------+
| 34 | | PA30 | | 10 | | | | | | 1/00 | | | SWCLK | |
| 35 | | PA31 | | 11 | | | | | | 1/03 | | | SWDIO | |
+------------+------------------+--------+-----------------+--------+-----+-----+-----+-----+---------+---------+--------+--------+----------+----------+
*/
} ;
extern "C" {
unsigned int PINCOUNT_fn() {
return (sizeof(g_APinDescription) / sizeof(g_APinDescription[0]));
}
}
const void* g_apTCInstances[TCC_INST_NUM+TC_INST_NUM]={ TCC0, TCC1, TCC2, TC3, TC4, TC5 } ;
void initVariant() {
// NINA - SPI boot
pinMode(NINA_GPIO0, OUTPUT);
digitalWrite(NINA_GPIO0, HIGH);
// disable NINA
pinMode(NINA_RESETN, OUTPUT);
digitalWrite(NINA_RESETN, LOW);
}
// 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();
}
Uart Serial2(&sercom3, PIN_SERIAL2_RX, PIN_SERIAL2_TX, PAD_SERIAL2_RX, PAD_SERIAL2_TX);
void SERCOM3_Handler()
{
Serial2.IrqHandler();
}
Uart SerialHCI(&sercom2, PIN_SERIALHCI_RX, PIN_SERIALHCI_TX, PAD_SERIALHCI_RX, PAD_SERIALHCI_TX, PIN_SERIALHCI_RTS, PIN_SERIALHCI_CTS);
void SERCOM2_Handler()
{
SerialHCI.IrqHandler();
}