80 lines
2.8 KiB
C
Executable File
80 lines
2.8 KiB
C
Executable File
/*
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* Copyright (C) 2017 XRADIO TECHNOLOGY CO., LTD. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name of XRADIO TECHNOLOGY CO., LTD. nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <stdio.h>
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#include <string.h>
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#include "kernel/os/os.h"
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#include "driver/chip/hal_gpio.h"
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#include "karaok.h"
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#define MICROPHONE_GPIO_PORT GPIO_PORT_A
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#define MICROPHONE_GPIO_PIN GPIO_PIN_8
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static OS_Timer_t detect_timer;
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static void detect_timer_cb(void *arg)
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{
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uint8_t level = HAL_GPIO_ReadPin(MICROPHONE_GPIO_PORT, MICROPHONE_GPIO_PIN);
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if (level == 1) {
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printf("microphone is removed, stop karaok now.\n");
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karaok_stop();
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} else {
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printf("microphone is inserted, start karaok now.\n");
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karaok_start();
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}
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}
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static void microphone_det_cb(void *arg)
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{
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OS_TimerStart(&detect_timer);
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}
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int microphone_detect_start(void)
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{
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GPIO_InitParam param = {0};
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GPIO_IrqParam irq_param = {0};
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OS_TimerCreate(&detect_timer, OS_TIMER_ONCE, detect_timer_cb, NULL, 300);
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param.driving = GPIO_DRIVING_LEVEL_1;
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param.mode = GPIOx_Pn_F6_EINT;
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param.pull = GPIO_PULL_UP;
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HAL_GPIO_Init(MICROPHONE_GPIO_PORT, MICROPHONE_GPIO_PIN, ¶m);
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irq_param.event = GPIO_IRQ_EVT_BOTH_EDGE;
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irq_param.callback = microphone_det_cb;
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irq_param.arg = NULL;
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HAL_GPIO_EnableIRQ(MICROPHONE_GPIO_PORT, MICROPHONE_GPIO_PIN, &irq_param);
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OS_TimerStart(&detect_timer);
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return 0;
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}
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