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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"
// PyPortal uses ATSAMD51J20 (64-pin), Metro & Feather M4 use J19, Trellis uses 51G
// NOT SURE ABOUT PIN_ATTR_PWM_n VALUES, defaulting all to "E" for now, update as required
// Also setting PWM and TIMER pins to same value to start, update as required
// Is LIGHT pin connected/routed anywhere?
/* NEW PIN DEFS IN PROGRESS:
{ PORTA, 3, PIO_ANALOG , PIN_ATTR_ANALOG , ADC_Channel1 , NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_3 }, // AREF - NOT USED
{ PORTA, 30, PIO_DIGITAL , PIN_ATTR_PWM_E , No_ADC_Channel, TC6_CH0 , TC6_CH0 , EXTERNAL_INT_14 }, // SWCLK - not used?
{ PORTA, 31, PIO_DIGITAL , PIN_ATTR_PWM_E , No_ADC_Channel, TC6_CH1 , TC6_CH1 , EXTERNAL_INT_15 }, // SWDIO - not used?
*/
/*
* Pins descriptions
*/
const PinDescription g_APinDescription[]=
{
// 0..13 - Digital pins
// ----------------------
// 0/1 - SERCOM/UART (Serial1)
{ PORTB, 13, PIO_SERCOM , PIN_ATTR_NONE , No_ADC_Channel, TC4_CH1 , TCC3_CH1 , EXTERNAL_INT_13 }, // RXD (pin 0, to ESP32), SERCOM4/PAD[1]
{ PORTB, 12, PIO_SERCOM , PIN_ATTR_NONE , No_ADC_Channel, TC4_CH0 , TCC3_CH0 , EXTERNAL_INT_12 }, // TXD (pin 1, to ESP32), SERCOM4/PAD[0]
// 2..4
{ PORTB, 22, PIO_DIGITAL , PIN_ATTR_PWM_E , No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_6 }, // NEOPIX
{ PORTA, 4, PIO_SERCOM_ALT, (PIN_ATTR_ANALOG|PIN_ATTR_PWM_E), ADC_Channel4 , TC0_CH0 , TC0_CH0 , EXTERNAL_INT_4 }, // D3 (SENSE JST)
{ PORTA, 5, PIO_SERCOM_ALT, (PIN_ATTR_ANALOG|PIN_ATTR_PWM_E), ADC_Channel5 , TC0_CH1 , TC0_CH1 , EXTERNAL_INT_5 }, // D4 (NEOPIX JST)
// 5..12 ESP32 and TFT control lines
{ PORTB, 16, PIO_DIGITAL , PIN_ATTR_PWM_E , No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_0 }, // ESP_BUSY
{ PORTB, 15, PIO_DIGITAL , PIN_ATTR_PWM_E , No_ADC_Channel, TC5_CH1 , TC5_CH1 , EXTERNAL_INT_15 }, // ESP_GPIO0
{ PORTB, 17, PIO_DIGITAL , PIN_ATTR_PWM_E , No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_1 }, // ESP RESET
{ PORTB, 14, PIO_DIGITAL , PIN_ATTR_PWM_E , No_ADC_Channel, TC5_CH0 , TC5_CH0 , EXTERNAL_INT_14 }, // ESP_CS
{ PORTB, 4, PIO_DIGITAL , PIN_ATTR_NONE , No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_4 }, // TFT_RD
{ PORTB, 5, PIO_DIGITAL , PIN_ATTR_NONE , No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_5 }, // TFT_RS
{ PORTB, 6, PIO_DIGITAL , PIN_ATTR_NONE , No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_6 }, // TFT_CS
{ PORTB, 7, PIO_DIGITAL , PIN_ATTR_NONE , No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_7 }, // TFT_TE
// 13 (LED)
{ PORTB, 23, PIO_DIGITAL , PIN_ATTR_PWM_E , No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_7 }, // D13 (LED)
// 14..23 Analog pins
{ PORTA, 2, PIO_ANALOG , PIN_ATTR_ANALOG , DAC_Channel0 , NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_2 }, // AUDIO_OUT (A0)
{ PORTA, 4, PIO_ANALOG , (PIN_ATTR_ANALOG|PIN_ATTR_PWM_E), ADC_Channel4 , TC0_CH0 , TC0_CH0 , EXTERNAL_INT_4 }, // D3 (SENSE JST)
{ PORTA, 7, PIO_DIGITAL , (PIN_ATTR_ANALOG|PIN_ATTR_PWM_E), ADC_Channel7 , TC1_CH1 , TC1_CH1 , EXTERNAL_INT_7 }, // Light sensor (A2)
{ PORTA, 5, PIO_ANALOG , (PIN_ATTR_ANALOG|PIN_ATTR_PWM_E), ADC_Channel5 , TC0_CH1 , TC0_CH1 , EXTERNAL_INT_5 }, // D4 (NEOPIX JST)
{ PORTB, 0, PIO_ANALOG , (PIN_ATTR_ANALOG|PIN_ATTR_PWM_E), ADC_Channel12 , NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_0 }, // TOUCH_YD
{ PORTB, 1, PIO_ANALOG , (PIN_ATTR_ANALOG|PIN_ATTR_PWM_E), ADC_Channel13 , NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_1 }, // TOUCH_XL
{ PORTA, 6, PIO_ANALOG , (PIN_ATTR_ANALOG|PIN_ATTR_PWM_E), ADC_Channel6 , TC1_CH0 , TC1_CH0 , EXTERNAL_INT_6 }, // TOUCH_YU
{ PORTB, 8, PIO_ANALOG , (PIN_ATTR_ANALOG|PIN_ATTR_PWM_E), ADC_Channel2 , TC4_CH0 , TC4_CH0 , EXTERNAL_INT_8 }, // TOUCH_XR
{ PORTB, 2, PIO_SERCOM_ALT, (PIN_ATTR_ANALOG|PIN_ATTR_PWM_E), ADC_Channel14 , NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_2 }, // SDA (JST), SERCOM5/PAD[0] - analog copy
{ PORTB, 3, PIO_SERCOM_ALT, (PIN_ATTR_ANALOG|PIN_ATTR_PWM_E), ADC_Channel15 , NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_3 }, // SCL (JST), SERCOM5/PAD[1] - analog copy
// 24..26 more TFT control lines
{ PORTA, 0, PIO_DIGITAL , PIN_ATTR_PWM_E , No_ADC_Channel, TC2_CH0 , TC2_CH0 , EXTERNAL_INT_0 }, // TFT_RESET
{ PORTB, 31, PIO_DIGITAL , PIN_ATTR_PWM_F , No_ADC_Channel, TCC4_CH1 , TCC4_CH1 , EXTERNAL_INT_15 }, // TFT_BACKLITE
{ PORTB, 9, PIO_DIGITAL , (PIN_ATTR_ANALOG|PIN_ATTR_PWM_E), ADC_Channel3 , TC4_CH1 , TC4_CH1 , EXTERNAL_INT_9 }, // TFT_WR, CCL/OUT[2]
// 27..28 I2C pins
{ PORTB, 2, PIO_SERCOM_ALT, (PIN_ATTR_ANALOG|PIN_ATTR_PWM_E), ADC_Channel14 , NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_2 }, // SDA (JST), SERCOM5/PAD[0]
{ PORTB, 3, PIO_SERCOM_ALT, (PIN_ATTR_ANALOG|PIN_ATTR_PWM_E), ADC_Channel15 , NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_3 }, // SCL (JST), SERCOM5/PAD[1]
// 29..31 SPI pins
{ PORTA, 12, PIO_SERCOM , PIN_ATTR_PWM_E , No_ADC_Channel, TC2_CH0 , TC2_CH0 , EXTERNAL_INT_12 }, // MOSI, SERCOM2/PAD[0]
{ PORTA, 13, PIO_SERCOM , PIN_ATTR_PWM_E , No_ADC_Channel, TC2_CH1 , TC2_CH1 , EXTERNAL_INT_13 }, // SCK, SERCOM2/PAD[1]
{ PORTA, 14, PIO_SERCOM , PIN_ATTR_PWM_E , No_ADC_Channel, TC3_CH0 , TC3_CH0 , EXTERNAL_INT_14 }, // MISO, SERCOM2/PAD[2]
// 32..33 Some SD card control
{ PORTB, 30, PIO_DIGITAL , PIN_ATTR_PWM_E , No_ADC_Channel, TC0_CH0 , TC0_CH0 , EXTERNAL_INT_14 }, // SD_CS
{ PORTA, 1, PIO_DIGITAL , PIN_ATTR_PWM_E , No_ADC_Channel, TC2_CH1 , TC2_CH1 , EXTERNAL_INT_1 }, // CARDDET
// 34..41 LCD data
{ PORTA, 16, PIO_DIGITAL , PIN_ATTR_PWM_E , No_ADC_Channel, TC2_CH0 , TC2_CH0 , EXTERNAL_INT_0 }, // LCD_DATA0
{ PORTA, 17, PIO_DIGITAL , PIN_ATTR_PWM_F , No_ADC_Channel, TCC1_CH1 , TC2_CH1 , EXTERNAL_INT_1 }, // LCD_DATA1
{ PORTA, 18, PIO_DIGITAL , PIN_ATTR_PWM_F , No_ADC_Channel, TCC1_CH2 , TC3_CH0 , EXTERNAL_INT_2 }, // LCD_DATA2
{ PORTA, 19, PIO_DIGITAL , PIN_ATTR_PWM_F , No_ADC_Channel, TCC1_CH3 , TC3_CH1 , EXTERNAL_INT_3 }, // LCD_DATA3
{ PORTA, 20, PIO_DIGITAL , PIN_ATTR_PWM_G , No_ADC_Channel, TCC0_CH0 , TC0_CH0 , EXTERNAL_INT_4 }, // LCD_DATA4
{ PORTA, 21, PIO_DIGITAL , PIN_ATTR_PWM_G , No_ADC_Channel, TCC0_CH0 , TC0_CH1 , EXTERNAL_INT_5 }, // LCD_DATA5
{ PORTA, 22, PIO_DIGITAL , PIN_ATTR_PWM_G , No_ADC_Channel, TCC0_CH2 , TC4_CH0 , EXTERNAL_INT_6 }, // LCD_DATA6
{ PORTA, 23, PIO_DIGITAL , PIN_ATTR_PWM_G , No_ADC_Channel, TCC0_CH3 , TC4_CH1 , EXTERNAL_INT_7 }, // LCD_DATA7
// 42..47 QSPI
{ PORTB, 10, PIO_COM , PIN_ATTR_NONE , No_ADC_Channel, TC5_CH0 , TC5_CH0 , EXTERNAL_INT_10 }, // QSPI_SCK
{ PORTB, 11, PIO_COM , PIN_ATTR_NONE , No_ADC_Channel, TC5_CH1 , TC5_CH1 , EXTERNAL_INT_11 }, // QSPI_CS
{ PORTA, 8, PIO_COM , PIN_ATTR_NONE , No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NMI }, // QSPI_DATA0
{ PORTA, 9, PIO_COM , PIN_ATTR_NONE , No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_9 }, // QSPI_DATA1
{ PORTA, 10, PIO_COM , PIN_ATTR_NONE , No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_10 }, // QSPI_DATA2
{ PORTA, 11, PIO_COM , PIN_ATTR_NONE , No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_11 }, // QSPI_DATA3
// 48..49 USB
{ PORTA, 24, PIO_COM , PIN_ATTR_NONE , No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // USB D-
{ PORTA, 25, PIO_COM , PIN_ATTR_NONE , No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // USB D+
// 50..51
{ PORTA, 27, PIO_DIGITAL , PIN_ATTR_NONE , No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_11 }, // Speaker shutdown
{ PORTA, 15, PIO_DIGITAL , PIN_ATTR_PWM_E , No_ADC_Channel, TC3_CH1 , TC3_CH1 , EXTERNAL_INT_15 }, // ESP_RTS
} ;
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( &sercom4, PIN_SERIAL1_RX, PIN_SERIAL1_TX, PAD_SERIAL1_RX, PAD_SERIAL1_TX ) ;
void SERCOM4_0_Handler()
{
Serial1.IrqHandler();
}
void SERCOM4_1_Handler()
{
Serial1.IrqHandler();
}
void SERCOM4_2_Handler()
{
Serial1.IrqHandler();
}
void SERCOM4_3_Handler()
{
Serial1.IrqHandler();
}
const int PINS_COUNT = sizeof(g_APinDescription)/sizeof(*g_APinDescription);