dbgpin.h

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/*
 * Copyright (C) 2020 Freie Universität Berlin
 *
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 
#pragma once
 
#include "container.h"
#include "periph/gpio.h"
 
#ifdef __cplusplus
extern "C"
{
#endif
 
#ifndef DBGPIN_PINS
#error Please specify the pins to use with the dbgpin module (DBGPIN_PINS)
#endif
 
static inline void dbgpin_set(unsigned pin)
{
    static const gpio_t dbgpin_pins[] = { DBGPIN_PINS };
    gpio_set(dbgpin_pins[pin]);
}
 
static inline void dbgpin_clear(unsigned pin)
{
    static const gpio_t dbgpin_pins[] = { DBGPIN_PINS };
    gpio_clear(dbgpin_pins[pin]);
}
 
static inline void dbgpin_toggle(unsigned pin)
{
    static const gpio_t dbgpin_pins[] = { DBGPIN_PINS };
    gpio_toggle(dbgpin_pins[pin]);
}
 
static inline void dbgpin_pulse(unsigned pin)
{
    dbgpin_toggle(pin);
    dbgpin_toggle(pin);
}
 
static inline void dbgpin_signal(unsigned pin, unsigned num)
{
    for (unsigned i = 0; i < num; i++) {
        dbgpin_pulse(pin);
    }
}
 
static inline size_t dbgpin_count(void)
{
    static const gpio_t dbgpin_pins[] = { DBGPIN_PINS };
    return ARRAY_SIZE(dbgpin_pins);
}
 
static inline void dbgpin_init(void)
{
    static const gpio_t dbgpin_pins[] = { DBGPIN_PINS };
    for (unsigned i = 0; i < ARRAY_SIZE(dbgpin_pins); i++) {
        gpio_init(dbgpin_pins[i], GPIO_OUT);
        gpio_clear(dbgpin_pins[i]);
    }
}
 
#ifdef __cplusplus
}
#endif