circuitpython/ports/nrf/sd_mutex.c

/*
 * This file is part of the MicroPython project, http://micropython.org/
 *
 * The MIT License (MIT)
 *
 * Copyright (c) 2019 Dan Halbert for Adafruit Industries
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

#include "py/mpconfig.h"
#include "py/runtime.h"
#include "nrf_soc.h"
#include "sd_mutex.h"

void sd_mutex_acquire_check(nrf_mutex_t *p_mutex) {
    uint32_t err_code = sd_mutex_acquire(p_mutex);
    if (err_code != NRF_SUCCESS) {
        mp_raise_OSError_msg_varg(MP_ERROR_TEXT("Failed to acquire mutex, err 0x%04x"), err_code);
    }
}

void sd_mutex_acquire_wait(nrf_mutex_t *p_mutex) {
    while (sd_mutex_acquire(p_mutex) == NRF_ERROR_SOC_MUTEX_ALREADY_TAKEN) {
        RUN_BACKGROUND_TASKS;
    }
}

void sd_mutex_acquire_wait_no_vm(nrf_mutex_t *p_mutex) {
    while (sd_mutex_acquire(p_mutex) == NRF_ERROR_SOC_MUTEX_ALREADY_TAKEN) {
    }
}

void sd_mutex_release_check(nrf_mutex_t *p_mutex) {
    uint32_t err_code = sd_mutex_release(p_mutex);
    if (err_code != NRF_SUCCESS) {
        mp_raise_OSError_msg_varg(MP_ERROR_TEXT("Failed to release mutex, err 0x%04x"), err_code);
    }
}