285 lines
8.3 KiB
C
285 lines
8.3 KiB
C
/*
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Copyright (c) 2011 Arduino. All right reserved.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef _VARIANT_ARDUINO_DUE_X_
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#define _VARIANT_ARDUINO_DUE_X_
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/*----------------------------------------------------------------------------
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* Definitions
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*----------------------------------------------------------------------------*/
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/** Frequency of the board main oscillator */
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#define VARIANT_MAINOSC 12000000
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/** Master clock frequency */
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#define VARIANT_MCK 84000000
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/*----------------------------------------------------------------------------
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* Headers
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*----------------------------------------------------------------------------*/
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#include "Arduino.h"
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#ifdef __cplusplus
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#include "UARTClass.h"
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#include "USARTClass.h"
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#endif
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#ifdef __cplusplus
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extern "C"{
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#endif // __cplusplus
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/**
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* Libc porting layers
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*/
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#if defined ( __GNUC__ ) /* GCC CS3 */
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# include <syscalls.h> /** RedHat Newlib minimal stub */
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#endif
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/*----------------------------------------------------------------------------
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* Pins
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*----------------------------------------------------------------------------*/
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// Number of pins defined in PinDescription array
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#define PINS_COUNT 79
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#define NUM_DIGITAL_PINS 66
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#define NUM_ANALOG_INPUTS 12
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#define analogInputToDigitalPin(p) ((p < 12) ? (p) + 54 : -1)
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#define digitalPinToPort(P) ( g_APinDescription[P].pPort )
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#define digitalPinToBitMask(P) ( g_APinDescription[P].ulPin )
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//#define analogInPinToBit(P) ( )
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#define portOutputRegister(port) ( &(port->PIO_ODSR) )
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#define portInputRegister(port) ( &(port->PIO_PDSR) )
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#define digitalPinHasPWM(P) ( g_APinDescription[P].ulPWMChannel != NOT_ON_PWM || g_APinDescription[P].ulTCChannel != NOT_ON_TIMER )
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/*
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* portModeRegister(..) should return a register to set pin mode
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* INPUT or OUTPUT by setting the corresponding bit to 0 or 1.
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* Unfortunately on SAM architecture the PIO_OSR register is
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* read-only and can be set only through the enable/disable registers
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* pair PIO_OER/PIO_ODR.
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*/
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// #define portModeRegister(port) ( &(port->PIO_OSR) )
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/*
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* digitalPinToTimer(..) is AVR-specific and is not defined for SAM
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* architecture. If you need to check if a pin supports PWM you must
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* use digitalPinHasPWM(..).
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*
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* https://github.com/arduino/Arduino/issues/1833
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*/
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// #define digitalPinToTimer(P)
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// Interrupts
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#define digitalPinToInterrupt(p) ((p) < NUM_DIGITAL_PINS ? (p) : -1)
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// LEDs
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#define PIN_LED_13 (13U)
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#define PIN_LED_RXL (72U)
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#define PIN_LED_TXL (73U)
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#define PIN_LED PIN_LED_13
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#define PIN_LED2 PIN_LED_RXL
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#define PIN_LED3 PIN_LED_TXL
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#define LED_BUILTIN 13
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/*
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* SPI Interfaces
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*/
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#define SPI_INTERFACES_COUNT 1
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#define SPI_INTERFACE SPI0
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#define SPI_INTERFACE_ID ID_SPI0
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#define SPI_CHANNELS_NUM 4
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#define PIN_SPI_SS0 (77U)
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#define PIN_SPI_SS1 (87U)
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#define PIN_SPI_SS2 (86U)
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#define PIN_SPI_SS3 (78U)
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#define PIN_SPI_MOSI (75U)
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#define PIN_SPI_MISO (74U)
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#define PIN_SPI_SCK (76U)
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#define BOARD_SPI_SS0 (77U) //(10U)
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#define BOARD_SPI_SS1 (4U)
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#define BOARD_SPI_SS2 (52U)
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#define BOARD_SPI_SS3 PIN_SPI_SS3
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#define BOARD_SPI_DEFAULT_SS BOARD_SPI_SS3
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#define BOARD_PIN_TO_SPI_PIN(x) \
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(x==BOARD_SPI_SS0 ? PIN_SPI_SS0 : \
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(x==BOARD_SPI_SS1 ? PIN_SPI_SS1 : \
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(x==BOARD_SPI_SS2 ? PIN_SPI_SS2 : PIN_SPI_SS3 )))
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#define BOARD_PIN_TO_SPI_CHANNEL(x) \
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(x==BOARD_SPI_SS0 ? 0 : \
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(x==BOARD_SPI_SS1 ? 1 : \
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(x==BOARD_SPI_SS2 ? 2 : 3)))
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static const uint8_t SS = BOARD_SPI_SS0;
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static const uint8_t SS1 = BOARD_SPI_SS1;
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static const uint8_t SS2 = BOARD_SPI_SS2;
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static const uint8_t SS3 = BOARD_SPI_SS3;
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static const uint8_t MOSI = PIN_SPI_MOSI;
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static const uint8_t MISO = PIN_SPI_MISO;
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static const uint8_t SCK = PIN_SPI_SCK;
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/*
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* Wire Interfaces
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*/
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#define WIRE_INTERFACES_COUNT 2
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#define PIN_WIRE_SDA (20U)
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#define PIN_WIRE_SCL (21U)
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#define WIRE_INTERFACE TWI1
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#define WIRE_INTERFACE_ID ID_TWI1
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#define WIRE_ISR_HANDLER TWI1_Handler
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#define WIRE_ISR_ID TWI1_IRQn
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#define PIN_WIRE1_SDA (70U)
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#define PIN_WIRE1_SCL (71U)
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#define WIRE1_INTERFACE TWI0
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#define WIRE1_INTERFACE_ID ID_TWI0
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#define WIRE1_ISR_HANDLER TWI0_Handler
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#define WIRE1_ISR_ID TWI0_IRQn
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static const uint8_t SDA = PIN_WIRE_SDA;
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static const uint8_t SCL = PIN_WIRE_SCL;
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static const uint8_t SDA1 = PIN_WIRE1_SDA;
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static const uint8_t SCL1 = PIN_WIRE1_SCL;
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/*
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* UART/USART Interfaces
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*/
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// Serial
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#define PINS_UART (81U)
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// Serial1
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#define PINS_USART0 (82U)
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// Serial2
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#define PINS_USART1 (83U)
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// Serial3
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#define PINS_USART3 (84U)
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/*
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* USB Interfaces
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*/
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#define PINS_USB (85U)
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/*
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* Analog pins
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*/
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static const uint8_t A0 = 54;
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static const uint8_t A1 = 55;
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static const uint8_t A2 = 56;
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static const uint8_t A3 = 57;
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static const uint8_t A4 = 58;
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static const uint8_t A5 = 59;
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static const uint8_t A6 = 60;
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static const uint8_t A7 = 61;
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static const uint8_t A8 = 62;
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static const uint8_t A9 = 63;
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static const uint8_t A10 = 64;
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static const uint8_t A11 = 65;
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static const uint8_t DAC0 = 66;
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static const uint8_t DAC1 = 67;
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static const uint8_t CANRX = 68;
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static const uint8_t CANTX = 69;
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#define ADC_RESOLUTION 12
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/*
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* Complementary CAN pins
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*/
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static const uint8_t CAN1RX = 88;
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static const uint8_t CAN1TX = 89;
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// CAN0
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#define PINS_CAN0 (90U)
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// CAN1
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#define PINS_CAN1 (91U)
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/*
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* DACC
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*/
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#define DACC_INTERFACE DACC
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#define DACC_INTERFACE_ID ID_DACC
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#define DACC_RESOLUTION 12
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#define DACC_ISR_HANDLER DACC_Handler
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#define DACC_ISR_ID DACC_IRQn
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/*
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* PWM
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*/
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#define PWM_INTERFACE PWM
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#define PWM_INTERFACE_ID ID_PWM
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#define PWM_FREQUENCY 31000
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#define PWM_MAX_DUTY_CYCLE 255
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#define PWM_MIN_DUTY_CYCLE 0
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#define PWM_RESOLUTION 8
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/*
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* TC
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*/
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#define TC_INTERFACE TC0
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#define TC_INTERFACE_ID ID_TC0
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#define TC_FREQUENCY 100000
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#define TC_MAX_DUTY_CYCLE 255
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#define TC_MIN_DUTY_CYCLE 0
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#define TC_RESOLUTION 8
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#ifdef __cplusplus
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}
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#endif
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/*----------------------------------------------------------------------------
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* Arduino objects - C++ only
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*----------------------------------------------------------------------------*/
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#ifdef __cplusplus
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extern UARTClass Serial;
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extern USARTClass Serial1;
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extern USARTClass Serial2;
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extern USARTClass Serial3;
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#endif
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// These serial port names are intended to allow libraries and architecture-neutral
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// sketches to automatically default to the correct port name for a particular type
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// of use. For example, a GPS module would normally connect to SERIAL_PORT_HARDWARE_OPEN,
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// the first hardware serial port whose RX/TX pins are not dedicated to another use.
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//
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// SERIAL_PORT_MONITOR Port which normally prints to the Arduino Serial Monitor
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//
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// SERIAL_PORT_USBVIRTUAL Port which is USB virtual serial
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//
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// SERIAL_PORT_LINUXBRIDGE Port which connects to a Linux system via Bridge library
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//
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// SERIAL_PORT_HARDWARE Hardware serial port, physical RX & TX pins.
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//
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// SERIAL_PORT_HARDWARE_OPEN Hardware serial ports which are open for use. Their RX & TX
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// pins are NOT connected to anything by default.
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#define SERIAL_PORT_MONITOR Serial
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#define SERIAL_PORT_USBVIRTUAL SerialUSB
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#define SERIAL_PORT_HARDWARE_OPEN Serial1
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#define SERIAL_PORT_HARDWARE_OPEN1 Serial2
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#define SERIAL_PORT_HARDWARE_OPEN2 Serial3
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#define SERIAL_PORT_HARDWARE Serial
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#define SERIAL_PORT_HARDWARE1 Serial1
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#define SERIAL_PORT_HARDWARE2 Serial2
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#define SERIAL_PORT_HARDWARE3 Serial3
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#endif /* _VARIANT_ARDUINO_DUE_X_ */
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