ArduinoCore-samd/variants/arduino_zero/variant.h
2014-05-07 16:56:34 +02:00

239 lines
6.8 KiB
C

/*
Copyright (c) 2014 Arduino. 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
*/
#ifndef _VARIANT_ARDUINO_ZERO_
#define _VARIANT_ARDUINO_ZERO_
/*----------------------------------------------------------------------------
* Definitions
*----------------------------------------------------------------------------*/
/** Frequency of the board main oscillator */
#define VARIANT_MAINOSC (32768ul)
/** Master clock frequency */
#define VARIANT_MCK (48000000ul)
/*----------------------------------------------------------------------------
* Headers
*----------------------------------------------------------------------------*/
#include "WVariant.h"
#ifdef __cplusplus
//#include "SERCOMUsart.h"
#endif
#ifdef __cplusplus
extern "C"{
#endif // __cplusplus
/**
* Libc porting layers
*/
#if defined ( __GNUC__ )
# include <syscalls.h> /** RedHat Newlib minimal stub */
#endif
/*----------------------------------------------------------------------------
* Pins
*----------------------------------------------------------------------------*/
// Number of pins defined in PinDescription array
#define PINS_COUNT (34u)
#define NUM_DIGITAL_PINS (19u)
#define NUM_ANALOG_INPUTS (5u)
#define NUM_ANALOG_OUTPUTS (1u)
#define digitalPinToPort(P) ( &(PORT->Group[g_APinDescription[P].ulPort]) )
#define digitalPinToBitMask(P) ( 1 << g_APinDescription[P].ulPin )
#define digitalPinToTimer(P) ( )
//#define analogInPinToBit(P) ( )
#define portOutputRegister(port) ( &(port->OUT) )
#define portInputRegister(port) ( &(port->IN) )
//#define portModeRegister(P) ( )
#define digitalPinHasPWM(P) ( g_APinDescription[P].ulPWMChannel != NOT_ON_PWM || g_APinDescription[P].ulTCChannel != NOT_ON_TIMER )
// Interrupts
#define digitalPinToInterrupt(p) ((p) < NUM_DIGITAL_PINS ? (p) : -1)
// LEDs
#define PIN_LED_13 (13u)
#define PIN_LED_RXL (30u)
#define PIN_LED_TXL (31u)
#define PIN_LED PIN_LED_13
#define PIN_LED2 PIN_LED_RXL
#define PIN_LED3 PIN_LED_TXL
#define LED_BUILTIN PIN_LED_13
/*
* SPI Interfaces
*/
#define SPI_INTERFACES_COUNT 1
/*
#define SPI_INTERFACE SPI0
#define SPI_INTERFACE_ID ID_SPI0
#define SPI_CHANNELS_NUM 4
#define PIN_SPI_SS0 (77u)
#define PIN_SPI_SS1 (87u)
#define PIN_SPI_SS2 (86u)
#define PIN_SPI_SS3 (78u)
*/
#define PIN_SPI_MOSI (21u)
#define PIN_SPI_MISO (18u)
#define PIN_SPI_SCK (20u)
/*
#define BOARD_SPI_SS0 (10u)
#define BOARD_SPI_SS1 (4u)
#define BOARD_SPI_SS2 (52u)
#define BOARD_SPI_SS3 PIN_SPI_SS3
#define BOARD_SPI_DEFAULT_SS BOARD_SPI_SS3
#define BOARD_PIN_TO_SPI_PIN(x) \
(x==BOARD_SPI_SS0 ? PIN_SPI_SS0 : \
(x==BOARD_SPI_SS1 ? PIN_SPI_SS1 : \
(x==BOARD_SPI_SS2 ? PIN_SPI_SS2 : PIN_SPI_SS3 )))
#define BOARD_PIN_TO_SPI_CHANNEL(x) \
(x==BOARD_SPI_SS0 ? 0 : \
(x==BOARD_SPI_SS1 ? 1 : \
(x==BOARD_SPI_SS2 ? 2 : 3)))
static const uint8_t SS = BOARD_SPI_SS0;
static const uint8_t SS1 = BOARD_SPI_SS1;
static const uint8_t SS2 = BOARD_SPI_SS2;
static const uint8_t SS3 = BOARD_SPI_SS3;
static const uint8_t MOSI = PIN_SPI_MOSI;
static const uint8_t MISO = PIN_SPI_MISO;
static const uint8_t SCK = PIN_SPI_SCK;
*/
/*
* Wire Interfaces
*/
#define WIRE_INTERFACES_COUNT 1
#define PIN_WIRE_SDA (16u)
#define PIN_WIRE_SCL (17u)
/*
#define WIRE_INTERFACE TWI1
#define WIRE_INTERFACE_ID ID_TWI1
#define WIRE_ISR_HANDLER TWI1_Handler
#define WIRE_ISR_ID TWI1_IRQn
*/
/*
* UART/USART Interfaces
*/
// Serial
//#define PINS_UART (81u)
/*
* USB Interfaces
*/
//#define PINS_USB (85u)
/*
* Analog pins
*/
static const uint8_t A0 = 20 ;
static const uint8_t A1 = 21 ;
static const uint8_t A2 = 22 ;
static const uint8_t A3 = 23 ;
static const uint8_t A4 = 24 ;
static const uint8_t A5 = 25 ;
#define ADC_RESOLUTION 12
/*
* DAC
*/
/*
#define DACC_INTERFACE DACC
#define DACC_INTERFACE_ID ID_DACC
#define DACC_RESOLUTION 12
#define DACC_ISR_HANDLER DACC_Handler
#define DACC_ISR_ID DACC_IRQn
*/
/*
* PWM
*/
/*
#define PWM_INTERFACE PWM
#define PWM_INTERFACE_ID ID_PWM
#define PWM_FREQUENCY 1000
#define PWM_MAX_DUTY_CYCLE 255
#define PWM_MIN_DUTY_CYCLE 0
#define PWM_RESOLUTION 8
*/
/*
* TC
*/
/*
#define TC_INTERFACE TC0
#define TC_INTERFACE_ID ID_TC0
#define TC_FREQUENCY 1000
#define TC_MAX_DUTY_CYCLE 255
#define TC_MIN_DUTY_CYCLE 0
#define TC_RESOLUTION 8
*/
#ifdef __cplusplus
}
#endif
/*----------------------------------------------------------------------------
* Arduino objects - C++ only
*----------------------------------------------------------------------------*/
#ifdef __cplusplus
//extern UARTClass Serial;
//extern USARTClass Serial1;
//extern USARTClass Serial2;
//extern USARTClass Serial3;
#endif
// These serial port names are intended to allow libraries and architecture-neutral
// sketches to automatically default to the correct port name for a particular type
// of use. For example, a GPS module would normally connect to SERIAL_PORT_HARDWARE_OPEN,
// the first hardware serial port whose RX/TX pins are not dedicated to another use.
//
// SERIAL_PORT_MONITOR Port which normally prints to the Arduino Serial Monitor
//
// SERIAL_PORT_USBVIRTUAL Port which is USB virtual serial
//
// SERIAL_PORT_LINUXBRIDGE Port which connects to a Linux system via Bridge library
//
// SERIAL_PORT_HARDWARE Hardware serial port, physical RX & TX pins.
//
// SERIAL_PORT_HARDWARE_OPEN Hardware serial ports which are open for use. Their RX & TX
// pins are NOT connected to anything by default.
#define SERIAL_PORT_MONITOR Serial
#define SERIAL_PORT_USBVIRTUAL SerialUSB
#define SERIAL_PORT_HARDWARE_OPEN Serial1
#define SERIAL_PORT_HARDWARE_OPEN1 Serial2
#define SERIAL_PORT_HARDWARE_OPEN2 Serial3
#define SERIAL_PORT_HARDWARE Serial
#define SERIAL_PORT_HARDWARE1 Serial1
#define SERIAL_PORT_HARDWARE2 Serial2
#define SERIAL_PORT_HARDWARE3 Serial3
#endif /* _VARIANT_ARDUINO_ZERO_ */