/* * This file is part of the Micro Python project, http://micropython.org/ * * The MIT License (MIT) * * Copyright (c) 2013, 2014 Damien P. George * * 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 #include #include "py/objproperty.h" #include "py/runtime.h" #include "shared-bindings/microcontroller/Pin.h" #include "shared-bindings/nativeio/AnalogOut.h" //| .. currentmodule:: nativeio //| //| :class:`AnalogOut` -- output analog voltage //| ============================================ //| //| The AnalogOut is used to output analog values (a specific voltage). //| //| Example usage:: //| //| import nativeio //| from microcontroller import pin //| //| with nativeio.AnalogOut(pin.PA02) as dac: # output on pin PA02 //| dac.value = 32768 # makes PA02 1.65V //| //| .. class:: AnalogOut(pin) //| //| Use the AnalogOut on the given pin. //| //| :param ~microcontroller.Pin pin: the pin to output to //| STATIC mp_obj_t nativeio_analogout_make_new(const mp_obj_type_t *type, mp_uint_t n_args, mp_uint_t n_kw, const mp_obj_t *args) { // check arguments mp_arg_check_num(n_args, n_kw, 1, MP_OBJ_FUN_ARGS_MAX, true); assert_pin(args[0], false); const mcu_pin_obj_t *pin = MP_OBJ_TO_PTR(args[0]); nativeio_analogout_obj_t *self = m_new_obj(nativeio_analogout_obj_t); self->base.type = &nativeio_analogout_type; common_hal_nativeio_analogout_construct(self, pin); return self; } //| .. method:: deinit() //| //| Turn off the AnalogOut and release the pin for other use. //| STATIC mp_obj_t nativeio_analogout_deinit(mp_obj_t self_in) { nativeio_analogout_obj_t *self = self_in; common_hal_nativeio_analogout_deinit(self); return mp_const_none; } STATIC MP_DEFINE_CONST_FUN_OBJ_1(nativeio_analogout_deinit_obj, nativeio_analogout_deinit); //| .. attribute:: value //| //| The value on the analog pin. The value must be between 0 and 65535 //| inclusive (16-bit). Even if the underlying digital to analog converter //| is lower resolution, the input must be scaled to be 16-bit. //| //| :return: the last value written //| :rtype: int //| STATIC mp_obj_t nativeio_analogout_obj_set_value(mp_obj_t self_in, mp_obj_t value) { nativeio_analogout_obj_t *self = MP_OBJ_TO_PTR(self_in); common_hal_nativeio_analogout_set_value(self, mp_obj_get_int(value)); return mp_const_none; } MP_DEFINE_CONST_FUN_OBJ_2(nativeio_analogout_set_value_obj, nativeio_analogout_obj_set_value); mp_obj_property_t nativeio_analogout_value_obj = { .base.type = &mp_type_property, .proxy = {(mp_obj_t)&mp_const_none_obj, (mp_obj_t)&nativeio_analogout_set_value_obj, (mp_obj_t)&mp_const_none_obj}, }; STATIC const mp_rom_map_elem_t nativeio_analogout_locals_dict_table[] = { // instance methods { MP_OBJ_NEW_QSTR(MP_QSTR_deinit), (mp_obj_t)&nativeio_analogout_deinit_obj }, // Properties { MP_OBJ_NEW_QSTR(MP_QSTR_value), (mp_obj_t)&nativeio_analogout_value_obj }, }; STATIC MP_DEFINE_CONST_DICT(nativeio_analogout_locals_dict, nativeio_analogout_locals_dict_table); const mp_obj_type_t nativeio_analogout_type = { { &mp_type_type }, .name = MP_QSTR_AnalogOut, .make_new = nativeio_analogout_make_new, .locals_dict = (mp_obj_t)&nativeio_analogout_locals_dict, };