mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
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73 lines
2.3 KiB
C++
73 lines
2.3 KiB
C++
/*
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* Copyright (c) 2018 Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <switch.h>
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#include "fatal_task_sound.hpp"
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void StopSoundTask::StopSound() {
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/* Talk to the ALC5639 over I2C, and disable audio output. */
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{
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I2cSession audio;
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if (R_SUCCEEDED(i2cOpenSession(&audio, I2cDevice_AudioCodec))) {
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struct {
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u16 dev;
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u8 val;
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} __attribute__((packed)) cmd;
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static_assert(sizeof(cmd) == 3, "I2C command definition!");
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cmd.dev = 0xC801;
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cmd.val = 200;
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i2csessionSendAuto(&audio, &cmd, sizeof(cmd), I2cTransactionOption_All);
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cmd.dev = 0xC802;
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cmd.val = 200;
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i2csessionSendAuto(&audio, &cmd, sizeof(cmd), I2cTransactionOption_All);
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cmd.dev = 0xC802;
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cmd.val = 200;
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i2csessionSendAuto(&audio, &cmd, sizeof(cmd), I2cTransactionOption_All);
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for (u16 dev = 97; dev <= 102; dev++) {
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cmd.dev = dev;
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cmd.val = 0;
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i2csessionSendAuto(&audio, &cmd, sizeof(cmd), I2cTransactionOption_All);
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}
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i2csessionClose(&audio);
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}
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}
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/* Talk to the ALC5639 over GPIO, and disable audio output */
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{
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GpioPadSession audio;
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if (R_SUCCEEDED(gpioOpenSession(&audio, GpioPadName_AudioCodec))) {
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/* Set direction output, sleep 200 ms so it can take effect. */
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gpioPadSetDirection(&audio, GpioDirection_Output);
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svcSleepThread(200000000UL);
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/* Pull audio codec low. */
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gpioPadSetValue(&audio, GpioValue_Low);
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gpioPadClose(&audio);
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}
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}
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}
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Result StopSoundTask::Run() {
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StopSound();
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return 0;
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}
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