266 lines
7.8 KiB
C
266 lines
7.8 KiB
C
/*
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Copyright (c) 2014-2015 Arduino LLC. 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_FEATHER_M4_
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#define _VARIANT_FEATHER_M4_
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// The definitions here needs a SAMD core >=1.6.10
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#define ARDUINO_SAMD_VARIANT_COMPLIANCE 10610
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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 (32768ul)
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/** Master clock frequency */
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#define VARIANT_MCK (F_CPU)
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#define VARIANT_GCLK0_FREQ (F_CPU)
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#define VARIANT_GCLK1_FREQ (48000000UL)
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#define VARIANT_GCLK2_FREQ (100000000UL)
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/*----------------------------------------------------------------------------
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* Headers
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*----------------------------------------------------------------------------*/
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#include "WVariant.h"
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#ifdef __cplusplus
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#include "SERCOM.h"
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#include "Uart.h"
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#endif // __cplusplus
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#ifdef __cplusplus
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extern "C"
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{
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#endif // __cplusplus
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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 (44u)
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#define NUM_DIGITAL_PINS (23u)
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#define NUM_ANALOG_INPUTS (6u)
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#define NUM_ANALOG_OUTPUTS (1u)
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#define analogInputToDigitalPin(p) ((p < 6u) ? (p) + 14u : -1)
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#define digitalPinToPort(P) ( &(PORT->Group[g_APinDescription[P].ulPort]) )
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#define digitalPinToBitMask(P) ( 1 << g_APinDescription[P].ulPin )
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//#define analogInPinToBit(P) ( )
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#define portOutputRegister(port) ( &(port->OUT.reg) )
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#define portInputRegister(port) ( &(port->IN.reg) )
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#define portModeRegister(port) ( &(port->DIR.reg) )
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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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* digitalPinToTimer(..) is AVR-specific and is not defined for SAMD
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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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// LEDs
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#define PIN_LED_13 (13u)
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#define PIN_LED_RXL (25u)
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#define PIN_LED_TXL (26u)
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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 PIN_LED_13
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#define PIN_NEOPIXEL (8)
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#define PIN_NEOPIXEL_POWER (7)
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/*
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* Analog pins
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*/
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#define PIN_A0 (14ul)
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#define PIN_A1 (PIN_A0 + 1)
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#define PIN_A2 (PIN_A0 + 2)
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#define PIN_A3 (PIN_A0 + 3)
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#define PIN_A4 (PIN_A0 + 4)
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#define PIN_A5 (PIN_A0 + 5)
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#define PIN_A6 (PIN_A0 + 6)
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#define PIN_DAC0 (14ul)
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#define PIN_DAC1 PIN_A1
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static const uint8_t A0 = PIN_A0;
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static const uint8_t A1 = PIN_A1;
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static const uint8_t A2 = PIN_A2;
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static const uint8_t A3 = PIN_A3;
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static const uint8_t A4 = PIN_A4;
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static const uint8_t A5 = PIN_A5;
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static const uint8_t A6 = PIN_A6 ;
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static const uint8_t DAC0 = PIN_DAC0;
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static const uint8_t DAC1 = PIN_DAC1;
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#define ADC_RESOLUTION 12
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// Other pins
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#define PIN_ATN (31ul)
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static const uint8_t ATN = PIN_ATN;
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/*
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* Serial interfaces
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*/
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// Serial1
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#define PIN_SERIAL1_RX (0ul)
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#define PIN_SERIAL1_TX (1ul)
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#define PAD_SERIAL1_RX (SERCOM_RX_PAD_1)
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#define PAD_SERIAL1_TX (UART_TX_PAD_0)
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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 PIN_SPI_MISO (23u)
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#define PIN_SPI_MOSI (24u)
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#define PIN_SPI_SCK (25u)
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#define PERIPH_SPI sercom1
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#define PAD_SPI_TX SPI_PAD_3_SCK_1
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#define PAD_SPI_RX SERCOM_RX_PAD_2
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static const uint8_t SS = 9 ; // SERCOM1 last PAD is present on d9 but HW SS isn't used. Set here only for reference.
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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 1
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#define PIN_WIRE_SDA (21u)
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#define PIN_WIRE_SCL (22u)
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#define PERIPH_WIRE sercom2
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#define WIRE_IT_HANDLER SERCOM2_Handler
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#define WIRE_IT_HANDLER_0 SERCOM2_0_Handler
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#define WIRE_IT_HANDLER_1 SERCOM2_1_Handler
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#define WIRE_IT_HANDLER_2 SERCOM2_2_Handler
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#define WIRE_IT_HANDLER_3 SERCOM2_3_Handler
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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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/*
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* USB
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*/
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#define PIN_USB_HOST_ENABLE (28ul)
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#define PIN_USB_DM (29ul)
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#define PIN_USB_DP (30ul)
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/*
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* I2S Interfaces
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*/
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#define I2S_INTERFACES_COUNT 1
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#define I2S_DEVICE 0
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#define I2S_CLOCK_GENERATOR 3
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#define PIN_I2S_SDO (11u)
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#define PIN_I2S_SDI (12u)
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#define PIN_I2S_SCK PIN_SERIAL1_TX
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#define PIN_I2S_FS (10u)
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#define PIN_I2S_MCK PIN_SERIAL1_RX
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// On-board QSPI Flash
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#define EXTERNAL_FLASH_DEVICES GD25Q16C
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#define EXTERNAL_FLASH_USE_QSPI
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//QSPI Pins
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#define PIN_QSPI_SCK (34u)
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#define PIN_QSPI_CS (35u)
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#define PIN_QSPI_IO0 (36u)
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#define PIN_QSPI_IO1 (37u)
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#define PIN_QSPI_IO2 (38u)
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#define PIN_QSPI_IO3 (39u)
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#if !defined(VARIANT_QSPI_BAUD_DEFAULT)
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// TODO: meaningful value for this
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#define VARIANT_QSPI_BAUD_DEFAULT 5000000
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#endif
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/*
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* CAN
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*/
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#define PIN_CAN_STANDBY (40)
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#define PIN_CAN_BOOSTEN (41)
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#define PIN_CAN_TX (42)
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#define PIN_CAN_RX (43)
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#define PIN_CAN1_TX (12)
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#define PIN_CAN1_RX (13)
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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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/* =========================
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* ===== SERCOM DEFINITION
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* =========================
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*/
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extern SERCOM sercom0;
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extern SERCOM sercom1;
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extern SERCOM sercom2;
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extern SERCOM sercom3;
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extern SERCOM sercom4;
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extern SERCOM sercom5;
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extern Uart Serial1;
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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_USBVIRTUAL Serial
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#define SERIAL_PORT_MONITOR Serial
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// Serial has no physical pins broken out, so it's not listed as HARDWARE port
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#define SERIAL_PORT_HARDWARE Serial1
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#define SERIAL_PORT_HARDWARE_OPEN Serial1
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#endif /* _VARIANT_FEATHER_M4_ */
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