circuitpython/ports/nrf/common-hal/analogio/AnalogOut.c
2017-12-21 13:49:14 +01:00

77 lines
2.8 KiB
C

/*
* This file is part of the MicroPython 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 <stdint.h>
#include <string.h>
#include "py/mperrno.h"
#include "py/runtime.h"
#include "shared-bindings/analogio/AnalogOut.h"
void common_hal_analogio_analogout_construct(analogio_analogout_obj_t* self, const mcu_pin_obj_t *pin) {
// if (pin->pin != PIN_PA02) {
// mp_raise_ValueError("AnalogOut not supported on given pin");
// return;
// }
// struct dac_config config_dac;
// dac_get_config_defaults(&config_dac);
// config_dac.reference = DAC_REFERENCE_AVCC;
// enum status_code status = dac_init(&self->dac_instance, DAC, &config_dac);
// if (status != STATUS_OK) {
// mp_raise_OSError(MP_EIO);
// return;
// }
// claim_pin(pin);
//
// struct dac_chan_config config_analogout_chan;
// dac_chan_get_config_defaults(&config_analogout_chan);
// dac_chan_set_config(&self->dac_instance, DAC_CHANNEL_0, &config_analogout_chan);
// dac_chan_enable(&self->dac_instance, DAC_CHANNEL_0);
//
// dac_enable(&self->dac_instance);
}
bool common_hal_analogio_analogout_deinited(analogio_analogout_obj_t *self) {
return self->deinited;
}
void common_hal_analogio_analogout_deinit(analogio_analogout_obj_t *self) {
// if (common_hal_analogio_analogout_deinited(self)) {
// return;
// }
// dac_disable(&self->dac_instance);
// dac_chan_disable(&self->dac_instance, DAC_CHANNEL_0);
// reset_pin(PIN_PA02);
// self->deinited = true;
}
void common_hal_analogio_analogout_set_value(analogio_analogout_obj_t *self, uint16_t value) {
// Input is 16 bit but we only support 10 bit so we shift the input.
// dac_chan_write(&self->dac_instance, DAC_CHANNEL_0, value >> 6);
}