circuitpython/atmel-samd/boards/arduino_zero/user_board.h

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/**
* \file
*
* \brief User board definition template
*
*/
/* This file is intended to contain definitions and configuration details for
* features and devices that are available on the board, e.g., frequency and
* startup time for an external crystal, external memory devices, LED and USART
* pins.
*/
/*
* Support and FAQ: visit <a href="http://www.atmel.com/design-support/">Atmel Support</a>
*/
#ifndef USER_BOARD_H
#define USER_BOARD_H
#include <conf_board.h>
// External oscillator settings.
// Uncomment and set correct values if external oscillator is used.
// External oscillator frequency
//#define BOARD_XOSC_HZ 8000000
// External oscillator type.
//!< External clock signal
//#define BOARD_XOSC_TYPE XOSC_TYPE_EXTERNAL
//!< 32.768 kHz resonator on TOSC
//#define BOARD_XOSC_TYPE XOSC_TYPE_32KHZ
//!< 0.4 to 16 MHz resonator on XTALS
//#define BOARD_XOSC_TYPE XOSC_TYPE_XTAL
// External oscillator startup time
//#define BOARD_XOSC_STARTUP_US 500000
#endif // USER_BOARD_H