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