circuitpython/ports/atmel-samd/bindings/samd/Clock.c

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/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2018 Noralf Trønnes
*
* 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 "bindings/samd/Clock.h"
#include "peripherals/clocks.h"
#include "py/obj.h"
#include "py/objproperty.h"
#include "py/runtime.h"
//| .. currentmodule:: samd
//|
//| :class:`Clock` --- Clock reference
//| ------------------------------------------
//|
//| Identifies a clock on the microcontroller.
//|
//| .. class:: Clock
//|
//| Identifies a clock on the microcontroller. They are fixed by the
//| hardware so they cannot be constructed on demand. Instead, use
//| `samd.clock` to reference the desired clock.
//|
STATIC void samd_clock_print(const mp_print_t *print, mp_obj_t self_in, mp_print_kind_t kind) {
samd_clock_obj_t *self = MP_OBJ_TO_PTR(self_in);
mp_printf(print, "%q.%q.%q", MP_QSTR_samd, MP_QSTR_clock, self->name);
}
//| .. attribute:: enabled
//|
//| Is the clock enabled? (read-only)
//|
STATIC mp_obj_t samd_clock_get_enabled(mp_obj_t self_in) {
samd_clock_obj_t *self = MP_OBJ_TO_PTR(self_in);
return mp_obj_new_bool(clock_get_enabled(self->type, self->index));
}
MP_DEFINE_CONST_FUN_OBJ_1(samd_clock_get_enabled_obj, samd_clock_get_enabled);
const mp_obj_property_t samd_clock_enabled_obj = {
.base.type = &mp_type_property,
.proxy = {(mp_obj_t)&samd_clock_get_enabled_obj,
(mp_obj_t)&mp_const_none_obj,
(mp_obj_t)&mp_const_none_obj,
},
};
//| .. attribute:: parent
//|
//| Clock parent. (read-only)
//|
STATIC mp_obj_t samd_clock_get_parent(mp_obj_t self_in) {
samd_clock_obj_t *self = MP_OBJ_TO_PTR(self_in);
uint8_t p_type, p_index;
if (!clock_get_parent(self->type, self->index, &p_type, &p_index))
return mp_const_none;
const mp_map_t* samd_map = &samd_clock_globals.map;
for (uint8_t i = 0; i < samd_map->alloc; i++) {
samd_clock_obj_t *iter = samd_map->table[i].value;
if (iter->type == p_type && iter->index == p_index)
return iter;
}
return mp_const_none;
}
MP_DEFINE_CONST_FUN_OBJ_1(samd_clock_get_parent_obj, samd_clock_get_parent);
const mp_obj_property_t samd_clock_parent_obj = {
.base.type = &mp_type_property,
.proxy = {(mp_obj_t)&samd_clock_get_parent_obj,
(mp_obj_t)&mp_const_none_obj,
(mp_obj_t)&mp_const_none_obj,
},
};
//| .. attribute:: frequency
//|
//| Clock frequency. (read-only)
//|
STATIC mp_obj_t samd_clock_get_frequency(mp_obj_t self_in) {
samd_clock_obj_t *self = MP_OBJ_TO_PTR(self_in);
return mp_obj_new_int_from_uint(clock_get_frequency(self->type, self->index));
}
MP_DEFINE_CONST_FUN_OBJ_1(samd_clock_get_frequency_obj, samd_clock_get_frequency);
const mp_obj_property_t samd_clock_frequency_obj = {
.base.type = &mp_type_property,
.proxy = {(mp_obj_t)&samd_clock_get_frequency_obj,
(mp_obj_t)&mp_const_none_obj,
(mp_obj_t)&mp_const_none_obj,
},
};
//| .. attribute:: calibration
//|
//| Clock calibration. Not all clocks can be calibrated.
//|
STATIC mp_obj_t samd_clock_get_calibration(mp_obj_t self_in) {
samd_clock_obj_t *self = MP_OBJ_TO_PTR(self_in);
return mp_obj_new_int_from_uint(clock_get_calibration(self->type, self->index));
}
MP_DEFINE_CONST_FUN_OBJ_1(samd_clock_get_calibration_obj, samd_clock_get_calibration);
STATIC mp_obj_t samd_clock_set_calibration(mp_obj_t self_in, mp_obj_t calibration) {
samd_clock_obj_t *self = MP_OBJ_TO_PTR(self_in);
int ret = clock_set_calibration(self->type, self->index, mp_obj_get_int(calibration));
if (ret == -2)
mp_raise_AttributeError("calibration is read only");
if (ret == -1)
mp_raise_ValueError("calibration is out of range");
return mp_const_none;
}
MP_DEFINE_CONST_FUN_OBJ_2(samd_clock_set_calibration_obj, samd_clock_set_calibration);
const mp_obj_property_t samd_clock_calibration_obj = {
.base.type = &mp_type_property,
.proxy = {(mp_obj_t)&samd_clock_get_calibration_obj,
(mp_obj_t)&samd_clock_set_calibration_obj,
(mp_obj_t)&mp_const_none_obj,
},
};
STATIC const mp_rom_map_elem_t samd_clock_locals_dict_table[] = {
{ MP_ROM_QSTR(MP_QSTR_enabled), MP_ROM_PTR(&samd_clock_enabled_obj) },
{ MP_ROM_QSTR(MP_QSTR_parent), MP_ROM_PTR(&samd_clock_parent_obj) },
{ MP_ROM_QSTR(MP_QSTR_frequency), MP_ROM_PTR(&samd_clock_frequency_obj) },
{ MP_ROM_QSTR(MP_QSTR_calibration), MP_ROM_PTR(&samd_clock_calibration_obj) },
};
STATIC MP_DEFINE_CONST_DICT(samd_clock_locals_dict, samd_clock_locals_dict_table);
const mp_obj_type_t samd_clock_type = {
{ &mp_type_type },
.name = MP_QSTR_Clock,
.print = samd_clock_print,
.locals_dict = (mp_obj_t)&samd_clock_locals_dict,
};