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/*

* This file is part of the Micro Python project, http://micropython.org/

*

* The MIT License (MIT)

*

* Copyright (c) 2017 Dan Halbert for Adafruit Industries

*

* 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 "shared-bindings/microcontroller/__init__.h"

#include "shared-bindings/microcontroller/Processor.h"

#include <math.h>

#include <stdint.h>

#include "shared-bindings/util.h"

#include "shared/runtime/buffer_helper.h"

#include "shared/runtime/context_manager_helpers.h"

#include "py/mperrno.h"

#include "py/objtype.h"

#include "py/objproperty.h"

#include "py/runtime.h"

#include "supervisor/shared/translate/translate.h"

//| class Processor:

//| """Microcontroller CPU information and control

//|

//| Usage::

//|

//| import microcontroller

//| print(microcontroller.cpu.frequency)

//| print(microcontroller.cpu.temperature)

//|

//| Note that on chips with more than one cpu (such as the RP2040)

//| microcontroller.cpu will return the value for CPU 0.

//| To get values from other CPUs use microcontroller.cpus indexed by

//| the number of the desired cpu. i.e.

//|

//| print(microcontroller.cpus[0].temperature)

//| print(microcontroller.cpus[1].frequency)"""

//|

//| def __init__(self) -> None:

//| """You cannot create an instance of `microcontroller.Processor`.

//| Use `microcontroller.cpu` to access the sole instance available."""

//| ...

//| frequency: int

//| """The CPU operating frequency in Hertz.

//|

//| **Limitations:** Setting the ``frequency`` is possible only on some i.MX boards.

//| On most boards, ``frequency`` is read-only.

//| """

#if CIRCUITPY_SETTABLE_PROCESSOR_FREQUENCY

STATIC mp_obj_t mcu_processor_set_frequency(mp_obj_t self, mp_obj_t freq) {

uint32_t value_of_freq = (uint32_t)mp_arg_validate_int_min(mp_obj_get_int(freq), 0, MP_QSTR_frequency);

common_hal_mcu_processor_set_frequency(self, value_of_freq);

return mp_const_none;

}

MP_DEFINE_CONST_FUN_OBJ_2(mcu_processor_set_frequency_obj, mcu_processor_set_frequency);

#endif

STATIC mp_obj_t mcu_processor_get_frequency(mp_obj_t self) {

return mp_obj_new_int_from_uint(common_hal_mcu_processor_get_frequency());

}

MP_DEFINE_CONST_FUN_OBJ_1(mcu_processor_get_frequency_obj, mcu_processor_get_frequency);

#if CIRCUITPY_SETTABLE_PROCESSOR_FREQUENCY

MP_PROPERTY_GETSET(mcu_processor_frequency_obj,

(mp_obj_t)&mcu_processor_get_frequency_obj,

(mp_obj_t)&mcu_processor_set_frequency_obj);

#else

MP_PROPERTY_GETTER(mcu_processor_frequency_obj,

(mp_obj_t)&mcu_processor_get_frequency_obj);

#endif

//| reset_reason: microcontroller.ResetReason

//| """The reason the microcontroller started up from reset state."""

STATIC mp_obj_t mcu_processor_get_reset_reason(mp_obj_t self) {

return cp_enum_find(&mcu_reset_reason_type, common_hal_mcu_processor_get_reset_reason());

}

MP_DEFINE_CONST_FUN_OBJ_1(mcu_processor_get_reset_reason_obj, mcu_processor_get_reset_reason);

MP_PROPERTY_GETTER(mcu_processor_reset_reason_obj,

(mp_obj_t)&mcu_processor_get_reset_reason_obj);

//| temperature: Optional[float]

//| """The on-chip temperature, in Celsius, as a float. (read-only)

//|

//| Is `None` if the temperature is not available.

//|

//| **Limitations:** Not available on ESP32 or ESP32-S3. On small SAMD21 builds without external flash,

//| the reported temperature has reduced accuracy and precision, to save code space.

//| """

STATIC mp_obj_t mcu_processor_get_temperature(mp_obj_t self) {

float temperature = common_hal_mcu_processor_get_temperature();

return isnan(temperature) ? mp_const_none : mp_obj_new_float(temperature);

}

MP_DEFINE_CONST_FUN_OBJ_1(mcu_processor_get_temperature_obj, mcu_processor_get_temperature);

MP_PROPERTY_GETTER(mcu_processor_temperature_obj,

(mp_obj_t)&mcu_processor_get_temperature_obj);

//| uid: bytearray

//| """The unique id (aka serial number) of the chip as a `bytearray`. (read-only)"""

STATIC mp_obj_t mcu_processor_get_uid(mp_obj_t self) {

uint8_t raw_id[COMMON_HAL_MCU_PROCESSOR_UID_LENGTH];

common_hal_mcu_processor_get_uid(raw_id);

return mp_obj_new_bytearray(sizeof(raw_id), raw_id);

}

MP_DEFINE_CONST_FUN_OBJ_1(mcu_processor_get_uid_obj, mcu_processor_get_uid);

MP_PROPERTY_GETTER(mcu_processor_uid_obj,

(mp_obj_t)&mcu_processor_get_uid_obj);

//| voltage: Optional[float]

//| """The input voltage to the microcontroller, as a float. (read-only)

//|

//| Is `None` if the voltage is not available."""

//|

STATIC mp_obj_t mcu_processor_get_voltage(mp_obj_t self) {

float voltage = common_hal_mcu_processor_get_voltage();

return isnan(voltage) ? mp_const_none : mp_obj_new_float(voltage);

}

MP_DEFINE_CONST_FUN_OBJ_1(mcu_processor_get_voltage_obj, mcu_processor_get_voltage);

MP_PROPERTY_GETTER(mcu_processor_voltage_obj,

(mp_obj_t)&mcu_processor_get_voltage_obj);

STATIC const mp_rom_map_elem_t mcu_processor_locals_dict_table[] = {

{ MP_ROM_QSTR(MP_QSTR_frequency), MP_ROM_PTR(&mcu_processor_frequency_obj) },

{ MP_ROM_QSTR(MP_QSTR_reset_reason), MP_ROM_PTR(&mcu_processor_reset_reason_obj) },

{ MP_ROM_QSTR(MP_QSTR_temperature), MP_ROM_PTR(&mcu_processor_temperature_obj) },

{ MP_ROM_QSTR(MP_QSTR_uid), MP_ROM_PTR(&mcu_processor_uid_obj) },

{ MP_ROM_QSTR(MP_QSTR_voltage), MP_ROM_PTR(&mcu_processor_voltage_obj) },

};

STATIC MP_DEFINE_CONST_DICT(mcu_processor_locals_dict, mcu_processor_locals_dict_table);

const mp_obj_type_t mcu_processor_type = {

{ &mp_type_type },

.name = MP_QSTR_Processor,

.locals_dict = (mp_obj_dict_t *)&mcu_processor_locals_dict,

};