micropython/ports/esp32/esp32_ulp.c

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/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2018 "Andreas Valder" <andreas.valder@serioese.gmbh>
*
* 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/runtime.h"
#if CONFIG_IDF_TARGET_ESP32
#include "esp32/ulp.h"
#include "esp_err.h"
typedef struct _esp32_ulp_obj_t {
mp_obj_base_t base;
} esp32_ulp_obj_t;
const mp_obj_type_t esp32_ulp_type;
// singleton ULP object
STATIC const esp32_ulp_obj_t esp32_ulp_obj = {{&esp32_ulp_type}};
STATIC mp_obj_t esp32_ulp_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *args) {
// check arguments
mp_arg_check_num(n_args, n_kw, 0, 0, false);
// return constant object
return (mp_obj_t)&esp32_ulp_obj;
}
STATIC mp_obj_t esp32_ulp_set_wakeup_period(mp_obj_t self_in, mp_obj_t period_index_in, mp_obj_t period_us_in) {
mp_uint_t period_index = mp_obj_get_int(period_index_in);
mp_uint_t period_us = mp_obj_get_int(period_us_in);
int _errno = ulp_set_wakeup_period(period_index, period_us);
if (_errno != ESP_OK) {
mp_raise_OSError(_errno);
}
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_3(esp32_ulp_set_wakeup_period_obj, esp32_ulp_set_wakeup_period);
STATIC mp_obj_t esp32_ulp_load_binary(mp_obj_t self_in, mp_obj_t load_addr_in, mp_obj_t program_binary_in) {
mp_uint_t load_addr = mp_obj_get_int(load_addr_in);
mp_buffer_info_t bufinfo;
mp_get_buffer_raise(program_binary_in, &bufinfo, MP_BUFFER_READ);
int _errno = ulp_load_binary(load_addr, bufinfo.buf, bufinfo.len / sizeof(uint32_t));
if (_errno != ESP_OK) {
mp_raise_OSError(_errno);
}
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_3(esp32_ulp_load_binary_obj, esp32_ulp_load_binary);
STATIC mp_obj_t esp32_ulp_run(mp_obj_t self_in, mp_obj_t entry_point_in) {
mp_uint_t entry_point = mp_obj_get_int(entry_point_in);
int _errno = ulp_run(entry_point / sizeof(uint32_t));
if (_errno != ESP_OK) {
mp_raise_OSError(_errno);
}
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_2(esp32_ulp_run_obj, esp32_ulp_run);
STATIC const mp_rom_map_elem_t esp32_ulp_locals_dict_table[] = {
{ MP_ROM_QSTR(MP_QSTR_set_wakeup_period), MP_ROM_PTR(&esp32_ulp_set_wakeup_period_obj) },
{ MP_ROM_QSTR(MP_QSTR_load_binary), MP_ROM_PTR(&esp32_ulp_load_binary_obj) },
{ MP_ROM_QSTR(MP_QSTR_run), MP_ROM_PTR(&esp32_ulp_run_obj) },
{ MP_ROM_QSTR(MP_QSTR_RESERVE_MEM), MP_ROM_INT(CONFIG_ESP32_ULP_COPROC_RESERVE_MEM) },
};
STATIC MP_DEFINE_CONST_DICT(esp32_ulp_locals_dict, esp32_ulp_locals_dict_table);
MP_DEFINE_CONST_OBJ_TYPE(
esp32_ulp_type,
MP_QSTR_ULP,
MP_TYPE_FLAG_NONE,
make_new, esp32_ulp_make_new,
locals_dict, &esp32_ulp_locals_dict
);
#endif // CONFIG_IDF_TARGET_ESP32