124 lines
4.0 KiB
C
124 lines
4.0 KiB
C
/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2017 Scott Shawcroft for Adafruit Industries
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* Copyright (c) 2019 Lucian Copeland for Adafruit Industries
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "shared-bindings/digitalio/DigitalInOut.h"
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#include "py/runtime.h"
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#include "supervisor/shared/translate/translate.h"
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#include "csr.h"
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void common_hal_digitalio_digitalinout_never_reset(
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digitalio_digitalinout_obj_t *self) {
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(void)self;
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}
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digitalinout_result_t common_hal_digitalio_digitalinout_construct(
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digitalio_digitalinout_obj_t *self, const mcu_pin_obj_t *pin) {
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// claim_pin(pin);
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self->pin = pin;
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return DIGITALINOUT_OK;
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}
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bool common_hal_digitalio_digitalinout_deinited(digitalio_digitalinout_obj_t *self) {
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return self->pin == NULL;
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}
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void common_hal_digitalio_digitalinout_deinit(digitalio_digitalinout_obj_t *self) {
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if (common_hal_digitalio_digitalinout_deinited(self)) {
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return;
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}
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// reset_pin_number(0, self->pin->number);
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self->pin = NULL;
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}
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void common_hal_digitalio_digitalinout_switch_to_input(
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digitalio_digitalinout_obj_t *self, digitalio_pull_t pull) {
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(void)pull;
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touch_oe_write(touch_oe_read() & ~(1 << self->pin->number));
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}
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digitalinout_result_t common_hal_digitalio_digitalinout_switch_to_output(
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digitalio_digitalinout_obj_t *self, bool value,
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digitalio_drive_mode_t drive_mode) {
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(void)drive_mode;
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common_hal_digitalio_digitalinout_set_value(self, value);
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touch_oe_write(touch_oe_read() | (1 << self->pin->number));
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return DIGITALINOUT_OK;
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}
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digitalio_direction_t common_hal_digitalio_digitalinout_get_direction(
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digitalio_digitalinout_obj_t *self) {
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return (touch_oe_read() & (1 << self->pin->number))
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? DIRECTION_OUTPUT : DIRECTION_INPUT;
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}
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void common_hal_digitalio_digitalinout_set_value(
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digitalio_digitalinout_obj_t *self, bool value) {
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if (value) {
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touch_o_write(touch_o_read() | (1 << self->pin->number));
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} else {
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touch_o_write(touch_o_read() & ~(1 << self->pin->number));
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}
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}
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bool common_hal_digitalio_digitalinout_get_value(
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digitalio_digitalinout_obj_t *self) {
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return !!(touch_i_read() & (1 << self->pin->number));
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}
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digitalinout_result_t common_hal_digitalio_digitalinout_set_drive_mode(
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digitalio_digitalinout_obj_t *self,
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digitalio_drive_mode_t drive_mode) {
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(void)self;
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(void)drive_mode;
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return DIGITALINOUT_OK;
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}
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digitalio_drive_mode_t common_hal_digitalio_digitalinout_get_drive_mode(
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digitalio_digitalinout_obj_t *self) {
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if (common_hal_digitalio_digitalinout_get_direction(self) == DIRECTION_OUTPUT) {
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return DRIVE_MODE_PUSH_PULL;
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} else {
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return DRIVE_MODE_OPEN_DRAIN;
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}
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}
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void common_hal_digitalio_digitalinout_set_pull(
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digitalio_digitalinout_obj_t *self, digitalio_pull_t pull) {
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(void)self;
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(void)pull;
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}
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digitalio_pull_t common_hal_digitalio_digitalinout_get_pull(
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digitalio_digitalinout_obj_t *self) {
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return PULL_NONE;
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}
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