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fatal: Implement the first half of StopSoundTask

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This commit is contained in:
Michael Scire 2018-11-10 03:51:19 -08:00
parent 6335d21901
commit f8abd2b402
4 changed files with 97 additions and 1 deletions
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58
stratosphere/fatal/source/fatal_task_sound.cpp Normal file
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/*
* Copyright (c) 2018 Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <switch.h>
#include "fatal_task_sound.hpp"
void StopSoundTask::StopSound() {
/* Talk to the ALC5639 over I2C, and disable audio output. */
I2cSession audio;
if (R_SUCCEEDED(i2cOpenSession(&audio, I2cDevice_AudioCodec))) {
struct {
u16 dev;
u8 val;
} __attribute__((packed)) cmd;
static_assert(sizeof(cmd) == 3, "I2C command definition!");
cmd.dev = 0xC801;
cmd.val = 200;
i2csessionSendAuto(&audio, &cmd, sizeof(cmd), I2cTransactionOption_All);
cmd.dev = 0xC802;
cmd.val = 200;
i2csessionSendAuto(&audio, &cmd, sizeof(cmd), I2cTransactionOption_All);
cmd.dev = 0xC802;
cmd.val = 200;
i2csessionSendAuto(&audio, &cmd, sizeof(cmd), I2cTransactionOption_All);
for (u16 dev = 97; dev <= 102; dev++) {
cmd.dev = dev;
cmd.val = 0;
i2csessionSendAuto(&audio, &cmd, sizeof(cmd), I2cTransactionOption_All);
}
i2csessionClose(&audio);
}
/* TODO: Talk to the ALC5639 over GPIO */
}
Result StopSoundTask::Run() {
StopSound();
return 0;
}