board.h

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/*
 * SPDX-FileCopyrightText: 2021 Gerson Fernando Budke
 * SPDX-License-Identifier: LGPL-2.1-only
 */
 
#pragma once

 
#include "cpu.h"
#include "macros/units.h"
 
#ifdef __cplusplus
extern "C" {
#endif

#define CLOCK_CORECLOCK     MHZ(32)

#ifndef STDIO_UART_BAUDRATE
#define STDIO_UART_BAUDRATE (115200U)
#endif

#define LED_PORT            PORTQ
 
#define LED0_PIN            GPIO_PIN(PORT_Q, 3)
#define LED0_MODE           GPIO_OUT
#define LED0_MASK           (PIN3_bm)
#define LED0_ON             (LED_PORT.OUTCLR = LED0_MASK)
#define LED0_OFF            (LED_PORT.OUTSET = LED0_MASK)
#define LED0_TOGGLE         (LED_PORT.OUTTGL = LED0_MASK)
 
#define LED_PORT_MASK       (LED0_MASK)

#define BTN0_PIN            GPIO_PIN(PORT_Q, 2)
#define BTN0_MODE           (GPIO_IN | GPIO_OPC_PU | GPIO_SLEW_RATE)
#define BTN0_INT_FLANK      (GPIO_ISC_FALLING | GPIO_LVL_LOW)

#define XTIMER_DEV          TIMER_DEV(0)
#define XTIMER_CHAN         (0)
#define XTIMER_WIDTH        (16)
#define XTIMER_HZ           KHZ(500)
#define XTIMER_BACKOFF      (150)
 
#ifdef __cplusplus
}
#endif