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variant.h
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variant.h
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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
*/
#ifndef _VARIANT_GRAND_CENTRAL_M4_
#define _VARIANT_GRAND_CENTRAL_M4_
// The definitions here needs a SAMD core >=1.6.10
#define ARDUINO_SAMD_VARIANT_COMPLIANCE 10610
/*----------------------------------------------------------------------------
* Definitions
*----------------------------------------------------------------------------*/
/** Frequency of the board main oscillator */
#define VARIANT_MAINOSC (32768ul)
/** Master clock frequency */
#define VARIANT_MCK (F_CPU)
#define VARIANT_GCLK0_FREQ (F_CPU)
#define VARIANT_GCLK1_FREQ (48000000UL)
#define VARIANT_GCLK2_FREQ (100000000UL)
/*----------------------------------------------------------------------------
* Headers
*----------------------------------------------------------------------------*/
#include "WVariant.h"
#ifdef __cplusplus
#include "SERCOM.h"
#include "Uart.h"
#endif // __cplusplus
#ifdef __cplusplus
extern "C"
{
#endif // __cplusplus
/*----------------------------------------------------------------------------
* Pins
*----------------------------------------------------------------------------*/
// Number of pins defined in PinDescription array
#define PINS_COUNT (96)
#define NUM_DIGITAL_PINS (53)
#define NUM_ANALOG_INPUTS (19)
#define NUM_ANALOG_OUTPUTS (2)
#define analogInputToDigitalPin(p) ((p < 8) ? 67 + (p) : (p < 16) ? 54 + (p) - 8 : (p < 18) ? 12 + (p) - 16 : (p == 18) ? 9 : -1)
#define digitalPinToPort(P) ( &(PORT->Group[g_APinDescription[P].ulPort]) )
#define digitalPinToBitMask(P) ( 1 << g_APinDescription[P].ulPin )
//#define analogInPinToBit(P) ( )
#define portOutputRegister(port) ( &(port->OUT.reg) )
#define portInputRegister(port) ( &(port->IN.reg) )
#define portModeRegister(port) ( &(port->DIR.reg) )
#define digitalPinHasPWM(P) ( g_APinDescription[P].ulPWMChannel != NOT_ON_PWM || g_APinDescription[P].ulTCChannel != NOT_ON_TIMER )
/*
* digitalPinToTimer(..) is AVR-specific and is not defined for SAMD
* architecture. If you need to check if a pin supports PWM you must
* use digitalPinHasPWM(..).
*
* https://github.com/arduino/Arduino/issues/1833
*/
// #define digitalPinToTimer(P)
// LEDs
#define PIN_LED_13 (13)
#define PIN_LED_RXL (75)
#define PIN_LED_TXL (76)
#define PIN_LED PIN_LED_13
#define PIN_LED2 PIN_LED_RXL
#define PIN_LED3 PIN_LED_TXL
#define LED_BUILTIN PIN_LED_13
#define PIN_NEOPIXEL (88)
/*
* Analog pins
*/
#define PIN_A0 (67)
#define PIN_A1 (PIN_A0 + 1)
#define PIN_A2 (PIN_A0 + 2)
#define PIN_A3 (PIN_A0 + 3)
#define PIN_A4 (PIN_A0 + 4)
#define PIN_A5 (PIN_A0 + 5)
#define PIN_A6 (PIN_A0 + 6)
#define PIN_A7 (PIN_A0 + 7)
#define PIN_A8 (54)
#define PIN_A9 (PIN_A8 + 1)
#define PIN_A10 (PIN_A8 + 2)
#define PIN_A11 (PIN_A8 + 3)
#define PIN_A12 (PIN_A8 + 4)
#define PIN_A13 (PIN_A8 + 5)
#define PIN_A14 (PIN_A8 + 6)
#define PIN_A15 (PIN_A8 + 7)
#define PIN_DAC0 PIN_A0
#define PIN_DAC1 PIN_A1
static const uint8_t A0 = PIN_A0;
static const uint8_t A1 = PIN_A1;
static const uint8_t A2 = PIN_A2;
static const uint8_t A3 = PIN_A3;
static const uint8_t A4 = PIN_A4;
static const uint8_t A5 = PIN_A5;
static const uint8_t A6 = PIN_A6;
static const uint8_t A7 = PIN_A7;
static const uint8_t A8 = PIN_A8;
static const uint8_t A9 = PIN_A9;
static const uint8_t A10 = PIN_A10;
static const uint8_t A11 = PIN_A11;
static const uint8_t A12 = PIN_A12;
static const uint8_t A13 = PIN_A13;
static const uint8_t A14 = PIN_A14;
static const uint8_t A15 = PIN_A15;
static const uint8_t DAC0 = PIN_DAC0;
static const uint8_t DAC1 = PIN_DAC1;
#define ADC_RESOLUTION 12
// Other pins
#define PIN_ATN (39)
static const uint8_t ATN = PIN_ATN;
/*
* Serial interfaces
*/
// Serial1
#define PIN_SERIAL1_RX (0)
#define PIN_SERIAL1_TX (1)
#define PAD_SERIAL1_TX (UART_TX_PAD_0)
#define PAD_SERIAL1_RX (SERCOM_RX_PAD_1)
// Serial2
#define PIN_SERIAL2_RX (19)
#define PIN_SERIAL2_TX (18)
#define PAD_SERIAL2_TX (UART_TX_PAD_0)
#define PAD_SERIAL2_RX (SERCOM_RX_PAD_1)
#define SERCOM_SERIAL2 sercom4
// Serial3
#define PIN_SERIAL3_RX (17)
#define PIN_SERIAL3_TX (16)
#define PAD_SERIAL3_TX (UART_TX_PAD_0)
#define PAD_SERIAL3_RX (SERCOM_RX_PAD_1)
#define SERCOM_SERIAL3 sercom1
// Serial4
#define PIN_SERIAL4_RX (15)
#define PIN_SERIAL4_TX (14)
#define PAD_SERIAL4_TX (UART_TX_PAD_0)
#define PAD_SERIAL4_RX (SERCOM_RX_PAD_1)
#define SERCOM_SERIAL4 sercom5
/*
* SPI Interfaces
*/
#define SPI_INTERFACES_COUNT 2
#define PIN_SPI_MISO (64)
#define PIN_SPI_MOSI (66)
#define PIN_SPI_SCK (65)
#define PERIPH_SPI sercom7
#define PAD_SPI_TX SPI_PAD_0_SCK_1
#define PAD_SPI_RX SERCOM_RX_PAD_3
static const uint8_t SS = (53);
static const uint8_t MOSI = PIN_SPI_MOSI;
static const uint8_t MISO = PIN_SPI_MISO;
static const uint8_t SCK = PIN_SPI_SCK;
#define PIN_SPI1_MISO (80)
#define PIN_SPI1_MOSI (82)
#define PIN_SPI1_SCK (81)
#define PIN_SPI1_SS (83)
#define PERIPH_SPI1 sercom2
#define PAD_SPI1_TX SPI_PAD_0_SCK_1
#define PAD_SPI1_RX SERCOM_RX_PAD_3
static const uint8_t SS1 = PIN_SPI1_SS;
static const uint8_t MOSI1 = PIN_SPI1_MOSI;
static const uint8_t MISO1 = PIN_SPI1_MISO;
static const uint8_t SCK1 = PIN_SPI1_SCK;
// Needed for SD library
#define SDCARD_SPI SPI1
#define SDCARD_MISO_PIN PIN_SPI1_MISO
#define SDCARD_MOSI_PIN PIN_SPI1_MOSI
#define SDCARD_SCK_PIN PIN_SPI1_SCK
#define SDCARD_SS_PIN PIN_SPI1_SS
/*
* Wire Interfaces
*/
#define WIRE_INTERFACES_COUNT 2
#define PIN_WIRE_SDA (62)
#define PIN_WIRE_SCL (63)
#define PERIPH_WIRE sercom3
#define WIRE_IT_HANDLER SERCOM3_Handler
#define WIRE_IT_HANDLER_0 SERCOM3_0_Handler
#define WIRE_IT_HANDLER_1 SERCOM3_1_Handler
#define WIRE_IT_HANDLER_2 SERCOM3_2_Handler
#define WIRE_IT_HANDLER_3 SERCOM3_3_Handler
static const uint8_t SDA = PIN_WIRE_SDA;
static const uint8_t SCL = PIN_WIRE_SCL;
#define PIN_WIRE1_SDA (25)
#define PIN_WIRE1_SCL (24)
#define PERIPH_WIRE1 sercom6
#define WIRE1_IT_HANDLER SERCOM6_Handler
#define WIRE1_IT_HANDLER_0 SERCOM6_0_Handler
#define WIRE1_IT_HANDLER_1 SERCOM6_1_Handler
#define WIRE1_IT_HANDLER_2 SERCOM6_2_Handler
#define WIRE1_IT_HANDLER_3 SERCOM6_3_Handler
static const uint8_t SDA1 = PIN_WIRE1_SDA;
static const uint8_t SCL1 = PIN_WIRE1_SCL;
/*
* USB
*/
#define PIN_USB_HOST_ENABLE (77)
#define PIN_USB_DM (78)
#define PIN_USB_DP (79)
/*
* I2S Interfaces
*/
#define I2S_INTERFACES_COUNT 1
#define I2S_DEVICE 0
#define I2S_CLOCK_GENERATOR 3
#define PIN_I2S_SDO (32)
#define PIN_I2S_SDI (31)
#define PIN_I2S_SCK PIN_SERIAL4_TX
#define PIN_I2S_FS (33)
#define PIN_I2S_MCK PIN_SERIAL4_RX
// On-board QSPI Flash
#define EXTERNAL_FLASH_DEVICES GD25Q16C
#define EXTERNAL_FLASH_USE_QSPI
//QSPI Pins
#define PIN_QSPI_SCK (89)
#define PIN_QSPI_CS (90)
#define PIN_QSPI_IO0 (91)
#define PIN_QSPI_IO1 (92)
#define PIN_QSPI_IO2 (93)
#define PIN_QSPI_IO3 (94)
//PCC Pins
#define PIN_PCC_DEN1 (26)
#define PIN_PCC_DEN2 (27)
#define PIN_PCC_CLK (28)
#define PIN_PCC_XCLK (29)
#define PIN_PCC_D0 (37)
#define PIN_PCC_D1 (36)
#define PIN_PCC_D2 (35)
#define PIN_PCC_D3 (34)
#define PIN_PCC_D4 (33)
#define PIN_PCC_D5 (32)
#define PIN_PCC_D6 (31)
#define PIN_PCC_D7 (30)
#define PIN_PCC_D8 (39)
#define PIN_PCC_D9 (38)
#define PIN_PCC_D10 (41)
#define PIN_PCC_D11 (40)
#define PIN_PCC_D12 (43)
#define PIN_PCC_D13 (42)
#if !defined(VARIANT_QSPI_BAUD_DEFAULT)
// TODO: meaningful value for this
#define VARIANT_QSPI_BAUD_DEFAULT 5000000
#endif
#ifdef __cplusplus
}
#endif
/*----------------------------------------------------------------------------
* Arduino objects - C++ only
*----------------------------------------------------------------------------*/
#ifdef __cplusplus
/* =========================
* ===== SERCOM DEFINITION
* =========================
*/
extern SERCOM sercom0;
extern SERCOM sercom1;
extern SERCOM sercom2;
extern SERCOM sercom3;
extern SERCOM sercom4;
extern SERCOM sercom5;
extern SERCOM sercom6;
extern SERCOM sercom7;
extern Uart Serial1;
#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_USBVIRTUAL Serial
#define SERIAL_PORT_MONITOR Serial
// Serial has no physical pins broken out, so it's not listed as HARDWARE port
#define SERIAL_PORT_HARDWARE Serial1
#define SERIAL_PORT_HARDWARE_OPEN Serial1
#endif /* _VARIANT_GRAND_CENTRAL_M4_ */