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/*
* Copyright (C) 2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#define LOG_TAG "debug-hifi"
#include <errno.h>
#include <fcntl.h>
#include <unistd.h>
#include <poll.h>
#include <pthread.h>
#include <sys/ioctl.h>
#include <sys/prctl.h>
#include <stdio.h>
#include <cutils/log.h>
#include <cutils/uevent.h>
#include <stdlib.h>
#include <linux/audio_hifi.h>
int main(int argc, char *argv[])
{
char *buffer;
int hifi_dsp_fd;
int ret = -1;
int i = 0;
unsigned int memsize = DRV_DSP_UART_TO_MEM_SIZE;
unsigned int clear = 0;
struct misc_io_dump_buf_param dump_buf;
ALOGI("Enter hifi-dsp Audio Framework - sample application\n");
if (argc > 1)
memsize = strtoul(argv[1], NULL, 0);
if (argc > 2)
clear = 1;
hifi_dsp_fd = open(HIFI_DSP_MISC_DRIVER, O_RDWR, 0);
if (hifi_dsp_fd < 0) {
ALOGE("Error %d opening hifi dsp device", errno);
return ret;
}
buffer = malloc(memsize);
if (!buffer) {
ALOGE("Error allocating buffer");
goto out0;
}
dump_buf.user_buf = (uint64_t)buffer;
dump_buf.buf_size = memsize;
dump_buf.clear = clear;
ret = ioctl(hifi_dsp_fd, HIFI_MISC_IOCTL_DISPLAY_MSG, &dump_buf);
if (ret < 0) { /* This IOCTL returns buffer size */
ALOGE("Error %d accessing message buffer", errno);
} else {
printf("%s\n", ret > 0 ? buffer : "Buffer is empty");
}
free(buffer);
out0:
close(hifi_dsp_fd);
ALOGI("Exit hifi-dsp Audio Framework - sample application\n");
return ret;
}
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