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board.h
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1/*
2 * SPDX-FileCopyrightText: 2014 Freie Universität Berlin
3 * SPDX-License-Identifier: LGPL-2.1-only
4 */
5
6#pragma once
7
19
20#include "cpu.h"
21#include "periph_conf.h"
22#include "periph_cpu.h"
23#include "periph/gpio.h"
24
25#ifdef __cplusplus
26extern "C" {
27#endif
28
33#define XTIMER_DEV TIMER_DEV(1)
34#define XTIMER_CHAN (0)
36
41#define CONFIG_ZTIMER_USEC_TYPE ZTIMER_TYPE_PERIPH_TIMER
42#define CONFIG_ZTIMER_USEC_DEV TIMER_DEV(1)
43/* timer_set() may underflow for values smaller than 9, set 10 as margin */
44#define CONFIG_ZTIMER_USEC_MIN (10)
46
52#define AT86RF2XX_PARAM_CS GPIO_PIN(PB, 31)
53#define AT86RF2XX_PARAM_INT GPIO_PIN(PB, 0)
54#define AT86RF2XX_PARAM_SLEEP GPIO_PIN(PA, 20)
55#define AT86RF2XX_PARAM_RESET GPIO_PIN(PB, 15)
56
61#define LED0_PIN GPIO_PIN(0, 19)
62
63#define LED_PORT PORT->Group[0]
64#define LED0_MASK (1 << 19)
65
66#define LED0_ON (LED_PORT.OUTCLR.reg = LED0_MASK)
67#define LED0_OFF (LED_PORT.OUTSET.reg = LED0_MASK)
68#define LED0_TOGGLE (LED_PORT.OUTTGL.reg = LED0_MASK)
70
75#define BTN0_PIN GPIO_PIN(0, 28)
76#define BTN0_MODE GPIO_IN_PU
78
83#define RFCTL1_PIN GPIO_PIN(0, 9)
84#define RFCTL2_PIN GPIO_PIN(0, 12)
86
90enum {
91 RFCTL_ANTENNA_BOARD,
92 RFCTL_ANTENNA_EXT,
93};
94
99#ifndef RFCTL_ANTENNA_DEFAULT
100#define RFCTL_ANTENNA_DEFAULT RFCTL_ANTENNA_BOARD
101#endif
103
107void board_antenna_config(uint8_t antenna);
108#ifdef __cplusplus
109}
110#endif
111
Configuration of CPU peripherals for the Atmel SAM R21 Xplained Pro board.
Low-level GPIO peripheral driver interface definitions.
void board_antenna_config(uint8_t antenna)
Set antenna switch.