/* Copyright (c) 2014-2016 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_ARDUINO_ZERO_ #define _VARIANT_ARDUINO_ZERO_ // 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 (48000000ul) /*---------------------------------------------------------------------------- * 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 (34u) #define NUM_DIGITAL_PINS (19u) #define NUM_ANALOG_INPUTS (5u) #define NUM_ANALOG_OUTPUTS (1u) #define analogInputToDigitalPin(p) ((p < 6u) ? (p) + 24u : -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 (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 /* * Analog pins */ #define PIN_A0 (24ul) #define PIN_A1 (25ul) #define PIN_A2 (26ul) #define PIN_A3 (27ul) #define PIN_A4 (28ul) #define PIN_A5 (29ul) #define PIN_DAC0 (24ul) 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 DAC0 = PIN_DAC0; #define ADC_RESOLUTION 12 /* * Serial interfaces */ // Serial (EDBG) #define PIN_SERIAL_RX (36ul) #define PIN_SERIAL_TX (35ul) #define PAD_SERIAL_TX (UART_TX_PAD_2) #define PAD_SERIAL_RX (SERCOM_RX_PAD_3) // Serial1 #define PIN_SERIAL1_RX (0ul) #define PIN_SERIAL1_TX (1ul) #define PAD_SERIAL1_TX (UART_TX_PAD_2) #define PAD_SERIAL1_RX (SERCOM_RX_PAD_3) /* * SPI Interfaces */ #define SPI_INTERFACES_COUNT 1 #define PIN_SPI_MISO (18u) #define PIN_SPI_MOSI (21u) #define PIN_SPI_SCK (20u) #define PERIPH_SPI sercom4 #define PAD_SPI_TX SPI_PAD_2_SCK_3 #define PAD_SPI_RX SERCOM_RX_PAD_0 static const uint8_t SS = 14; //GND 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 PERIPH_WIRE sercom3 #define WIRE_IT_HANDLER SERCOM3_Handler static const uint8_t SDA = PIN_WIRE_SDA; static const uint8_t SCL = PIN_WIRE_SCL; /* * USB */ #define PIN_USB_HOST_ENABLE (32ul) #define PIN_USB_DM (33ul) #define PIN_USB_DP (34ul) #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 Uart Serial; 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 SerialUSB #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 // Legacy way to describe serial port on pins 0-1 #define Serial5 Serial1 #endif /* _VARIANT_ARDUINO_ZERO_ */