147 lines
4.9 KiB
C
147 lines
4.9 KiB
C
/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2018 Linaro Limited
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include <string.h>
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#include "py/runtime.h"
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#include <zephyr.h>
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#include <drivers/sensor.h>
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#if MICROPY_PY_ZSENSOR
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typedef struct _mp_obj_sensor_t {
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mp_obj_base_t base;
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struct device *dev;
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} mp_obj_sensor_t;
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STATIC mp_obj_t sensor_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *args) {
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mp_arg_check_num(n_args, n_kw, 1, 1, false);
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mp_obj_sensor_t *o = m_new_obj(mp_obj_sensor_t);
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o->base.type = type;
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o->dev = device_get_binding(mp_obj_str_get_str(args[0]));
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if (o->dev == NULL) {
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mp_raise_ValueError("dev not found");
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}
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return MP_OBJ_FROM_PTR(o);
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}
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STATIC mp_obj_t sensor_measure(mp_obj_t self_in) {
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mp_obj_sensor_t *self = MP_OBJ_TO_PTR(self_in);
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int st = sensor_sample_fetch(self->dev);
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if (st != 0) {
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mp_raise_OSError(-st);
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}
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return mp_const_none;
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}
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MP_DEFINE_CONST_FUN_OBJ_1(sensor_measure_obj, sensor_measure);
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STATIC void sensor_get_internal(mp_obj_t self_in, mp_obj_t channel_in, struct sensor_value *res) {
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mp_obj_sensor_t *self = MP_OBJ_TO_PTR(self_in);
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int st = sensor_channel_get(self->dev, mp_obj_get_int(channel_in), res);
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if (st != 0) {
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mp_raise_OSError(-st);
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}
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}
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STATIC mp_obj_t sensor_get_float(mp_obj_t self_in, mp_obj_t channel_in) {
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struct sensor_value val;
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sensor_get_internal(self_in, channel_in, &val);
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return mp_obj_new_float(val.val1 + (mp_float_t)val.val2 / 1000000);
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}
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MP_DEFINE_CONST_FUN_OBJ_2(sensor_get_float_obj, sensor_get_float);
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STATIC mp_obj_t sensor_get_micros(mp_obj_t self_in, mp_obj_t channel_in) {
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struct sensor_value val;
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sensor_get_internal(self_in, channel_in, &val);
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return MP_OBJ_NEW_SMALL_INT(val.val1 * 1000000 + val.val2);
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}
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MP_DEFINE_CONST_FUN_OBJ_2(sensor_get_micros_obj, sensor_get_micros);
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STATIC mp_obj_t sensor_get_millis(mp_obj_t self_in, mp_obj_t channel_in) {
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struct sensor_value val;
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sensor_get_internal(self_in, channel_in, &val);
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return MP_OBJ_NEW_SMALL_INT(val.val1 * 1000 + val.val2 / 1000);
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}
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MP_DEFINE_CONST_FUN_OBJ_2(sensor_get_millis_obj, sensor_get_millis);
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STATIC mp_obj_t sensor_get_int(mp_obj_t self_in, mp_obj_t channel_in) {
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struct sensor_value val;
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sensor_get_internal(self_in, channel_in, &val);
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return MP_OBJ_NEW_SMALL_INT(val.val1);
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}
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MP_DEFINE_CONST_FUN_OBJ_2(sensor_get_int_obj, sensor_get_int);
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STATIC const mp_rom_map_elem_t sensor_locals_dict_table[] = {
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{ MP_ROM_QSTR(MP_QSTR_measure), MP_ROM_PTR(&sensor_measure_obj) },
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{ MP_ROM_QSTR(MP_QSTR_get_float), MP_ROM_PTR(&sensor_get_float_obj) },
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{ MP_ROM_QSTR(MP_QSTR_get_micros), MP_ROM_PTR(&sensor_get_micros_obj) },
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{ MP_ROM_QSTR(MP_QSTR_get_millis), MP_ROM_PTR(&sensor_get_millis_obj) },
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{ MP_ROM_QSTR(MP_QSTR_get_int), MP_ROM_PTR(&sensor_get_int_obj) },
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};
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STATIC MP_DEFINE_CONST_DICT(sensor_locals_dict, sensor_locals_dict_table);
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STATIC const mp_obj_type_t sensor_type = {
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{ &mp_type_type },
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.name = MP_QSTR_Sensor,
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.make_new = sensor_make_new,
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.locals_dict = (void *)&sensor_locals_dict,
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};
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STATIC const mp_rom_map_elem_t mp_module_zsensor_globals_table[] = {
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{ MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_zsensor) },
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{ MP_ROM_QSTR(MP_QSTR_Sensor), MP_ROM_PTR(&sensor_type) },
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#define C(name) { MP_ROM_QSTR(MP_QSTR_##name), MP_ROM_INT(SENSOR_CHAN_##name) }
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C(ACCEL_X),
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C(ACCEL_Y),
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C(ACCEL_Z),
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C(GYRO_X),
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C(GYRO_Y),
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C(GYRO_Z),
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C(MAGN_X),
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C(MAGN_Y),
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C(MAGN_Z),
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C(DIE_TEMP),
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C(PRESS),
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C(PROX),
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C(HUMIDITY),
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C(LIGHT),
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C(ALTITUDE),
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#undef C
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};
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STATIC MP_DEFINE_CONST_DICT(mp_module_zsensor_globals, mp_module_zsensor_globals_table);
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const mp_obj_module_t mp_module_zsensor = {
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.base = { &mp_type_module },
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.globals = (mp_obj_dict_t *)&mp_module_zsensor_globals,
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};
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#endif //MICROPY_PY_UHASHLIB
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