circuitpython/ports/zephyr/modmachine.c

/*
 * This file is part of the MicroPython project, http://micropython.org/
 *
 * The MIT License (MIT)
 *
 * Copyright (c) 2013-2015 Damien P. George
 * Copyright (c) 2016 Paul Sokolovsky
 * Copyright (c) 2016 Linaro Limited
 *
 * 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 <stdint.h>
#include <stdio.h>
#include <zephyr/sys/reboot.h>

#include "py/obj.h"
#include "py/runtime.h"
#include "extmod/machine_mem.h"
#include "extmod/machine_signal.h"
#include "extmod/machine_pulse.h"
#include "extmod/machine_i2c.h"
#include "extmod/machine_spi.h"
#include "modmachine.h"

#if MICROPY_PY_MACHINE

STATIC mp_obj_t machine_reset(void) {
    sys_reboot(SYS_REBOOT_COLD);
    // Won't get here, Zephyr has infiniloop on its side
    return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_0(machine_reset_obj, machine_reset);

STATIC mp_obj_t machine_reset_cause(void) {
    printf("Warning: %s is not implemented\n", __func__);
    return MP_OBJ_NEW_SMALL_INT(42);
}
STATIC MP_DEFINE_CONST_FUN_OBJ_0(machine_reset_cause_obj, machine_reset_cause);

STATIC mp_obj_t machine_idle(void) {
    k_yield();
    return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_0(machine_idle_obj, machine_idle);

STATIC const mp_rom_map_elem_t machine_module_globals_table[] = {
    { MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_umachine) },
    #ifdef CONFIG_REBOOT
    { MP_ROM_QSTR(MP_QSTR_reset), MP_ROM_PTR(&machine_reset_obj) },
    #endif
    { MP_ROM_QSTR(MP_QSTR_reset_cause), MP_ROM_PTR(&machine_reset_cause_obj) },
    { MP_ROM_QSTR(MP_QSTR_idle), MP_ROM_PTR(&machine_idle_obj) },

    #if MICROPY_PY_MACHINE_I2C
    { MP_ROM_QSTR(MP_QSTR_I2C), MP_ROM_PTR(&machine_hard_i2c_type) },
    #endif
    #if MICROPY_PY_MACHINE_SPI
    { MP_ROM_QSTR(MP_QSTR_SPI), MP_ROM_PTR(&machine_hard_spi_type) },
    #endif
    { MP_ROM_QSTR(MP_QSTR_UART), MP_ROM_PTR(&machine_uart_type) },
    { MP_ROM_QSTR(MP_QSTR_Pin), MP_ROM_PTR(&machine_pin_type) },
    { MP_ROM_QSTR(MP_QSTR_Signal), MP_ROM_PTR(&machine_signal_type) },

    // reset causes
    /*{ MP_ROM_QSTR(MP_QSTR_PWRON_RESET), MP_ROM_INT(REASON_DEFAULT_RST) },*/
};

STATIC MP_DEFINE_CONST_DICT(machine_module_globals, machine_module_globals_table);

const mp_obj_module_t mp_module_machine = {
    .base = { &mp_type_module },
    .globals = (mp_obj_dict_t *)&machine_module_globals,
};

MP_REGISTER_MODULE(MP_QSTR_umachine, mp_module_machine);

#endif // MICROPY_PY_MACHINE