125 lines
3.9 KiB
C
125 lines
3.9 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) 2017 Bander F. Ajba
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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 <stdio.h>
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#include <string.h>
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#include "py/nlr.h"
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#include "py/runtime.h"
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#include "py/mperrno.h"
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#include "py/mphal.h"
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#if MICROPY_PY_MACHINE_TEMP
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#include "temp.h"
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#include "nrfx_temp.h"
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#if BLUETOOTH_SD
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#include "py/nlr.h"
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#include "ble_drv.h"
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#include "nrf_soc.h"
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#define BLUETOOTH_STACK_ENABLED() (ble_drv_stack_enabled())
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#endif // BLUETOOTH_SD
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typedef struct _machine_temp_obj_t {
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mp_obj_base_t base;
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} machine_temp_obj_t;
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/// \method __str__()
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/// Return a string describing the Temp object.
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STATIC void machine_temp_print(const mp_print_t *print, mp_obj_t o, mp_print_kind_t kind) {
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machine_temp_obj_t *self = o;
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(void)self;
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mp_printf(print, "Temp");
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}
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/******************************************************************************/
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/* MicroPython bindings for machine API */
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STATIC mp_obj_t machine_temp_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *all_args) {
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static const mp_arg_t allowed_args[] = {
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{ },
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};
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// parse args
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mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
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mp_arg_parse_all_kw_array(n_args, n_kw, all_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
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machine_temp_obj_t *self = mp_obj_malloc(machine_temp_obj_t, &machine_temp_type);
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return MP_OBJ_FROM_PTR(self);
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}
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int32_t temp_read(void) {
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const nrfx_temp_config_t config = NRFX_TEMP_DEFAULT_CONFIG;
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nrfx_temp_init(&config, NULL); // Blocking mode.
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if (nrfx_temp_measure() != NRFX_SUCCESS) {
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mp_raise_OSError(MP_EIO);
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}
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int32_t raw_temp = nrfx_temp_result_get();
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int32_t temp_c = nrfx_temp_calculate(raw_temp);
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nrfx_temp_uninit();
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return temp_c;
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}
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/// \method read()
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/// Get temperature.
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STATIC mp_obj_t machine_temp_read(mp_uint_t n_args, const mp_obj_t *args) {
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#if BLUETOOTH_SD
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if (BLUETOOTH_STACK_ENABLED() == 1) {
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int32_t temp;
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(void)sd_temp_get(&temp);
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return MP_OBJ_NEW_SMALL_INT(temp / 4); // resolution of 0.25 degree celsius
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}
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#endif // BLUETOOTH_SD
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return MP_OBJ_NEW_SMALL_INT(temp_read());
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(mp_machine_temp_read_obj, 0, 1, machine_temp_read);
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STATIC const mp_rom_map_elem_t machine_temp_locals_dict_table[] = {
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// instance methods
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// class methods
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{ MP_ROM_QSTR(MP_QSTR_read), MP_ROM_PTR(&mp_machine_temp_read_obj) },
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};
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STATIC MP_DEFINE_CONST_DICT(machine_temp_locals_dict, machine_temp_locals_dict_table);
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MP_DEFINE_CONST_OBJ_TYPE(
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machine_temp_type,
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MP_QSTR_Temp,
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MP_TYPE_FLAG_NONE,
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make_new, machine_temp_make_new,
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locals_dict, &machine_temp_locals_dict,
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print, machine_temp_print
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);
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#endif // MICROPY_PY_MACHINE_TEMP
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