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circuitpython/ports/atmel-samd/timer_handler.c

69 lines
2.4 KiB

/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2017 Scott Shawcroft 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 <stdbool.h>
#include <stdint.h>
#include "timer_handler.h"
#include "common-hal/pulseio/PulseOut.h"
#include "shared-module/_pew/PewPew.h"
#include "common-hal/frequencyio/FrequencyIn.h"
static uint8_t tc_handler[TC_INST_NUM];
void set_timer_handler(bool is_tc, uint8_t index, uint8_t timer_handler) {
if (is_tc) {
tc_handler[index] = timer_handler;
}
}
void shared_timer_handler(bool is_tc, uint8_t index) {
// Add calls to interrupt handlers for specific functionality here.
// Make sure to add the handler #define to timer_handler.h
if (is_tc) {
uint8_t handler = tc_handler[index];
switch(handler) {
case TC_HANDLER_PULSEOUT:
#if CIRCUITPY_PULSEIO
pulseout_interrupt_handler(index);
#endif
break;
case TC_HANDLER_PEW:
#if CIRCUITPY_PEW
pewpew_interrupt_handler(index);
#endif
break;
case TC_HANDLER_FREQUENCYIN:
#if CIRCUITPY_FREQUENCYIO
frequencyin_interrupt_handler(index);
#endif
break;
default:
break;
}
}
}