76 lines
2.5 KiB
C
76 lines
2.5 KiB
C
/*
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* This file is part of the Micro Python 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) 2021 Jeff Epler 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 <stddef.h>
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#include "common-hal/rgbmatrix/RGBMatrix.h"
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#include "peripherals/timer.h"
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void *common_hal_rgbmatrix_timer_allocate(rgbmatrix_rgbmatrix_obj_t *self) {
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const timer_config_t config = {
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.alarm_en = false,
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.counter_en = false,
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.intr_type = TIMER_INTR_LEVEL,
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.counter_dir = TIMER_COUNT_UP,
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.auto_reload = true,
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.divider = 2 // 40MHz
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};
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timer_index_t *timer = malloc(sizeof(timer_index_t));
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bool res = peripherals_timer_init(&config, timer);
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if (!res) {
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return NULL;
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}
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peripherals_timer_never_reset(timer);
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return timer;
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}
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extern bool _PM_esp32timerCallback(void *arg);
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void common_hal_rgbmatrix_timer_enable(void *ptr) {
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}
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void common_hal_rgbmatrix_timer_disable(void *ptr) {
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timer_index_t *timer = (timer_index_t *)ptr;
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if (timer->idx == TIMER_MAX) {
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return;
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}
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timer_pause(timer->group, timer->idx);
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timer_disable_intr(timer->group, timer->idx);
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timer_isr_callback_remove(timer->group, timer->idx);
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}
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void common_hal_rgbmatrix_timer_free(void *ptr) {
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timer_index_t *timer = (timer_index_t *)ptr;
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if (timer->idx == TIMER_MAX) {
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return;
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}
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common_hal_rgbmatrix_timer_disable(ptr);
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peripherals_timer_deinit(timer);
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timer->idx = TIMER_MAX;
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}
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