67 lines
2.4 KiB
C
67 lines
2.4 KiB
C
/*
|
|
* This file is part of the Micro Python project, http://micropython.org/
|
|
*
|
|
* The MIT License (MIT)
|
|
*
|
|
* Copyright (c) 2020 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/nrf/timers.h"
|
|
|
|
extern void _PM_IRQ_HANDLER(void);
|
|
|
|
void *common_hal_rgbmatrix_timer_allocate() {
|
|
nrfx_timer_t *timer = nrf_peripherals_allocate_timer_or_throw();
|
|
nrf_peripherals_timer_never_reset(timer);
|
|
return timer->p_reg;
|
|
}
|
|
|
|
|
|
static void rgbmatrix_event_handler(nrf_timer_event_t event_type, void *p_context) {
|
|
_PM_IRQ_HANDLER();
|
|
}
|
|
|
|
void common_hal_rgbmatrix_timer_enable(void* ptr) {
|
|
nrfx_timer_t *timer = nrf_peripherals_timer_from_reg(ptr);
|
|
static const nrfx_timer_config_t timer_config = {
|
|
.frequency = NRF_TIMER_FREQ_16MHz,
|
|
.mode = NRF_TIMER_MODE_TIMER,
|
|
.bit_width = NRF_TIMER_BIT_WIDTH_16,
|
|
.interrupt_priority = NRFX_TIMER_DEFAULT_CONFIG_IRQ_PRIORITY,
|
|
.p_context = NULL,
|
|
};
|
|
nrfx_timer_init(timer, &timer_config, &rgbmatrix_event_handler);
|
|
}
|
|
|
|
void common_hal_rgbmatrix_timer_disable(void* ptr) {
|
|
nrfx_timer_t *timer = nrf_peripherals_timer_from_reg(ptr);
|
|
nrfx_timer_uninit(timer);
|
|
}
|
|
|
|
void common_hal_rgbmatrix_timer_free(void* ptr) {
|
|
nrfx_timer_t *timer = nrf_peripherals_timer_from_reg(ptr);
|
|
nrf_peripherals_free_timer(timer);
|
|
}
|