75 lines
2.1 KiB
C
75 lines
2.1 KiB
C
/*
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This file is part of the MKR WiFi 1010 firmware.
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Copyright (C) 2018 Arduino AG (http://www.arduino.cc/)
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <driver/gpio.h>
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#include "wiring_digital.h"
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#include "WInterrupts.h"
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static voidFuncPtr callbacksInt[GPIO_NUM_MAX] = { NULL };
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void IRAM_ATTR gpioInterruptHandler(void* arg)
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{
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uint32_t pin = (uint32_t)arg;
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if (callbacksInt[pin]) {
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callbacksInt[pin]();
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}
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}
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void attachInterrupt(uint32_t pin, voidFuncPtr callback, uint32_t mode)
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{
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callbacksInt[pin] = callback;
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switch (mode) {
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case LOW:
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gpio_set_intr_type((gpio_num_t)pin, GPIO_INTR_LOW_LEVEL);
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gpio_wakeup_enable((gpio_num_t)pin, GPIO_INTR_LOW_LEVEL);
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break;
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case HIGH:
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gpio_set_intr_type((gpio_num_t)pin, GPIO_INTR_HIGH_LEVEL);
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gpio_wakeup_enable((gpio_num_t)pin, GPIO_INTR_HIGH_LEVEL);
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break;
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case CHANGE:
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gpio_set_intr_type((gpio_num_t)pin, GPIO_INTR_ANYEDGE);
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break;
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case FALLING:
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gpio_set_intr_type((gpio_num_t)pin, GPIO_INTR_NEGEDGE);
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break;
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case RISING:
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gpio_set_intr_type((gpio_num_t)pin, GPIO_INTR_POSEDGE);
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break;
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default:
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gpio_set_intr_type((gpio_num_t)pin, GPIO_INTR_DISABLE);
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break;
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}
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gpio_install_isr_service(ESP_INTR_FLAG_LEVEL3);
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gpio_isr_handler_add((gpio_num_t)pin, gpioInterruptHandler, (void*)pin);
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gpio_intr_enable((gpio_num_t)pin);
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}
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