circuitpython/ports/nrf/mphalport.c

/*
 * This file is part of the MicroPython project, http://micropython.org/
 *
 * The MIT License (MIT)
 *
 * Copyright (c) 2015 Glenn Ruben Bakke
 *
 * 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 <errno.h>
#include <string.h>

#include "py/mpstate.h"
#include "py/mphal.h"
#include "py/mperrno.h"
#include "uart.h"

// this table converts from HAL_StatusTypeDef to POSIX errno
const byte mp_hal_status_to_errno_table[4] = {
    [HAL_OK] = 0,
    [HAL_ERROR] = MP_EIO,
    [HAL_BUSY] = MP_EBUSY,
    [HAL_TIMEOUT] = MP_ETIMEDOUT,
};

NORETURN void mp_hal_raise(HAL_StatusTypeDef status) {
    nlr_raise(mp_obj_new_exception_arg1(&mp_type_OSError, MP_OBJ_NEW_SMALL_INT(mp_hal_status_to_errno_table[status])));
}

#if !MICROPY_KBD_EXCEPTION
void mp_hal_set_interrupt_char(int c) {

}
#endif

#if !MICROPY_PY_BLE_NUS
int mp_hal_stdin_rx_chr(void) {
    for (;;) {
        if (MP_STATE_PORT(pyb_stdio_uart) != NULL && uart_rx_any(MP_STATE_PORT(pyb_stdio_uart))) {
            return uart_rx_char(MP_STATE_PORT(pyb_stdio_uart));
        }
    }

    return 0;
}

void mp_hal_stdout_tx_strn(const char *str, mp_uint_t len) {
    if (MP_STATE_PORT(pyb_stdio_uart) != NULL) {
        uart_tx_strn(MP_STATE_PORT(pyb_stdio_uart), str, len);
    }
}

void mp_hal_stdout_tx_strn_cooked(const char *str, mp_uint_t len) {
    if (MP_STATE_PORT(pyb_stdio_uart) != NULL) {
        uart_tx_strn_cooked(MP_STATE_PORT(pyb_stdio_uart), str, len);
    }
}
#endif

void mp_hal_stdout_tx_str(const char *str) {
    mp_hal_stdout_tx_strn(str, strlen(str));
}