87 lines
3.0 KiB
C
87 lines
3.0 KiB
C
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/*
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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) 2016-2022 Damien P. George
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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 <stdio.h>
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#include <string.h>
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#include "py/runtime.h"
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#include "py/mphal.h"
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#if defined(MICROPY_PY_NETWORK_CYW43) && defined(MICROPY_HW_PIN_EXT_COUNT)
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#include "modmachine.h"
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#include "machine_pin.h"
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#include "lib/cyw43-driver/src/cyw43.h"
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void machine_pin_ext_init(void) {
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}
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void machine_pin_ext_set(machine_pin_obj_t *self, bool value) {
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if (value != self->last_output_value || !self->is_output) {
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cyw43_gpio_set(&cyw43_state, self->id, value);
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}
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self->last_output_value = value;
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}
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bool machine_pin_ext_get(machine_pin_obj_t *self) {
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bool value = false;
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cyw43_gpio_get(&cyw43_state, self->id, &value);
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return value;
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}
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void machine_pin_ext_config(machine_pin_obj_t *self, int mode, int value) {
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if (mode == MACHINE_PIN_MODE_IN) {
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if (self->is_output) {
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// TODO need to disable output
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}
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self->is_output = false;
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} else if (mode == MACHINE_PIN_MODE_OUT) {
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if (!self->is_output) {
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// TODO need to enable output
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// for now we just set the value
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if (value == -1) {
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value = self->last_output_value;
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}
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self->last_output_value = !self->last_output_value; // defeat shortcircuit
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machine_pin_ext_set(self, value);
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self->is_output = true;
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}
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} else {
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mp_raise_ValueError("only Pin.OUT and Pin.IN are supported for this pin");
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}
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if (value != -1) {
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if (self->is_output) {
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machine_pin_ext_set(self, value);
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} else {
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// figure if you pass a value to IN it should still remember it (this is what regular GPIO does)
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self->last_output_value = value;
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}
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}
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}
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#endif // defined(MICROPY_PY_NETWORK_CYW43) && defined(MICROPY_HW_PIN_EXT_COUNT)
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