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Diffstat (limited to 'shared-bindings/nativeio/PulseOut.c')
| -rw-r--r-- | shared-bindings/nativeio/PulseOut.c | 150 |
1 files changed, 0 insertions, 150 deletions
diff --git a/shared-bindings/nativeio/PulseOut.c b/shared-bindings/nativeio/PulseOut.c deleted file mode 100644 index 79f189293..000000000 --- a/shared-bindings/nativeio/PulseOut.c +++ /dev/null @@ -1,150 +0,0 @@ -/* - * This file is part of the Micro Python project, http://micropython.org/ - * - * The MIT License (MIT) - * - * Copyright (c) 2017 Scott Shawcroft 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 <stdint.h> - -#include "lib/utils/context_manager_helpers.h" -#include "py/objproperty.h" -#include "py/runtime.h" -#include "shared-bindings/microcontroller/Pin.h" -#include "shared-bindings/nativeio/PulseOut.h" -#include "shared-bindings/nativeio/PWMOut.h" - -//| .. currentmodule:: nativeio -//| -//| :class:`PulseOut` -- Output a pulse train -//| ======================================================== -//| -//| PulseOut is used to pulse PWM "carrier" output on and off. This is commonly -//| used in infrared remotes. The pulsed signal consists of timed on and off -//| periods. Unlike PWM, there is no set duration for on and off pairs. -//| -//| .. class:: PulseOut(carrier) -//| -//| Create a PulseOut object associated with the given PWM out experience. -//| -//| :param ~nativeio.PWMOut carrier: PWMOut that is set to output on the desired pin. -//| -//| Send a short series of pulses:: -//| -//| import array -//| import nativeio -//| import board -//| -//| with nativeio.PWMOut(board.D13, duty_cycle=2 ** 15) as pwm: -//| pulse = nativeio.PulseOut(pwm) -//| # on off on off on -//| pulses = array.array('h', [65000, 1000, 65000, 65000, 1000]) -//| pulse.send(pulses) -//| -//| # Modify the array of pulses. -//| pulses[0] = 200 -//| pulse.send(pulses) -//| -STATIC mp_obj_t nativeio_pulseout_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *args) { - mp_arg_check_num(n_args, n_kw, 1, 1, true); - mp_obj_t carrier_obj = args[0]; - - if (!MP_OBJ_IS_TYPE(carrier_obj, &nativeio_pwmout_type)) { - nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_TypeError, "Expected a %q", nativeio_pwmout_type.name)); - } - - // create Pulse object from the given pin - nativeio_pulseout_obj_t *self = m_new_obj(nativeio_pulseout_obj_t); - self->base.type = &nativeio_pulseout_type; - - common_hal_nativeio_pulseout_construct(self, (nativeio_pwmout_obj_t *)MP_OBJ_TO_PTR(carrier_obj)); - - return MP_OBJ_FROM_PTR(self); -} - -//| .. method:: deinit() -//| -//| Deinitialises the PulseOut and releases any hardware resources for reuse. -//| -STATIC mp_obj_t nativeio_pulseout_deinit(mp_obj_t self_in) { - nativeio_pulseout_obj_t *self = MP_OBJ_TO_PTR(self_in); - common_hal_nativeio_pulseout_deinit(self); - return mp_const_none; -} -STATIC MP_DEFINE_CONST_FUN_OBJ_1(nativeio_pulseout_deinit_obj, nativeio_pulseout_deinit); - -//| .. method:: __enter__() -//| -//| No-op used by Context Managers. -//| -// Provided by context manager helper. - -//| .. method:: __exit__() -//| -//| Automatically deinitializes the hardware when exiting a context. -//| -STATIC mp_obj_t nativeio_pulseout_obj___exit__(size_t n_args, const mp_obj_t *args) { - (void)n_args; - common_hal_nativeio_pulseout_deinit(args[0]); - return mp_const_none; -} -STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(nativeio_pulseout___exit___obj, 4, 4, nativeio_pulseout_obj___exit__); - -//| .. method:: send(pulses) -//| -//| Pulse alternating on and off durations in microseconds starting with on. -//| ``pulses`` must be an `array.array` with data type 'H' for unsigned -//| halfword (two bytes). -//| -//| This method waits until the whole array of pulses has been sent and -//| ensures the signal is off afterwards. -//| -//| :param array.array pulses: pulse durations in microseconds -//| -STATIC mp_obj_t nativeio_pulseout_obj_send(mp_obj_t self_in, mp_obj_t pulses) { - nativeio_pulseout_obj_t *self = MP_OBJ_TO_PTR(self_in); - - mp_buffer_info_t bufinfo; - mp_get_buffer_raise(pulses, &bufinfo, MP_BUFFER_READ); - if (bufinfo.typecode != 'H') { - mp_raise_TypeError("Array must contain halfwords (type 'H')"); - } - common_hal_nativeio_pulseout_send(self, (uint16_t *)bufinfo.buf, bufinfo.len / 2); - return mp_const_none; -} -MP_DEFINE_CONST_FUN_OBJ_2(nativeio_pulseout_send_obj, nativeio_pulseout_obj_send); - -STATIC const mp_rom_map_elem_t nativeio_pulseout_locals_dict_table[] = { - // Methods - { MP_ROM_QSTR(MP_QSTR_deinit), MP_ROM_PTR(&nativeio_pulseout_deinit_obj) }, - { MP_ROM_QSTR(MP_QSTR___enter__), MP_ROM_PTR(&default___enter___obj) }, - { MP_ROM_QSTR(MP_QSTR___exit__), MP_ROM_PTR(&nativeio_pulseout___exit___obj) }, - { MP_ROM_QSTR(MP_QSTR_send), MP_ROM_PTR(&nativeio_pulseout_send_obj) }, -}; -STATIC MP_DEFINE_CONST_DICT(nativeio_pulseout_locals_dict, nativeio_pulseout_locals_dict_table); - -const mp_obj_type_t nativeio_pulseout_type = { - { &mp_type_type }, - .name = MP_QSTR_PulseOut, - .make_new = nativeio_pulseout_make_new, - .locals_dict = (mp_obj_dict_t*)&nativeio_pulseout_locals_dict, -}; |