Adding missing variant.h

variants/arduino_zero/variant.h

+/*
+  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 "Arduino.h"
+#ifdef __cplusplus
+//#include "USARTClass.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           (25u)
+#define NUM_DIGITAL_PINS     (19u)
+#define NUM_ANALOG_INPUTS    (5u)
+#define NUM_ANALOG_OUTPUTS   (1u)
+
+#define digitalPinToPort(P)        ( g_APinDescription[P].pPort )
+#define digitalPinToBitMask(P)     ( g_APinDescription[P].ulPin )
+#define digitalPinToTimer(P)       (  )
+//#define analogInPinToBit(P)        ( )
+#define portOutputRegister(port)   ( &(port->PIO_ODSR) )
+#define portInputRegister(port)    ( &(port->PIO_PDSR) )
+//#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          (72u)
+#define PIN_LED_TXL          (73u)
+#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         (75u)
+#define PIN_SPI_MISO         (74u)
+#define PIN_SPI_SCK          (76u)
+#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 2
+
+#define PIN_WIRE_SDA         (20u)
+#define PIN_WIRE_SCL         (21u)
+#define WIRE_INTERFACE       TWI1
+#define WIRE_INTERFACE_ID    ID_TWI1
+#define WIRE_ISR_HANDLER     TWI1_Handler
+#define WIRE_ISR_ID          TWI1_IRQn
+
+#define PIN_WIRE1_SDA        (70u)
+#define PIN_WIRE1_SCL        (71u)
+#define WIRE1_INTERFACE      TWI0
+#define WIRE1_INTERFACE_ID   ID_TWI0
+#define WIRE1_ISR_HANDLER    TWI0_Handler
+#define WIRE1_ISR_ID         TWI0_IRQn
+
+/*
+ * UART/USART Interfaces
+ */
+// Serial
+#define PINS_UART            (81u)
+// Serial1
+#define PINS_USART0          (82u)
+// Serial2
+#define PINS_USART1          (83u)
+// Serial3
+#define PINS_USART3          (84u)
+
+/*
+ * 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_ */
+