void av_config_setup() {
bool once = true;
alt_up_av_config_dev * av_config = alt_up_av_config_open_dev(AV_CONFIG);
while(!alt_up_av_config_read_ready(av_config)) {
if(once) {
printf("Error, audio not configured.\n");
once = false;
}
}
}
void av_config_setup(){
printf("Configuring audio and video.\n");
alt_up_av_config_dev * av_config = alt_up_av_config_open_dev("/dev/audio_and_video_config_0");
while (!alt_up_av_config_read_ready(av_config));
printf("Opening audio device.\n");
audio = alt_up_audio_open_dev("/dev/audio_0");
alt_up_audio_reset_audio_core(audio);
}
/*
* Overview: This configures the audio and video.
*
*/
void av_config_setup()
{
alt_up_av_config_dev * av_config =
alt_up_av_config_open_dev("/dev/audio_video_config");
if(av_config == NULL)
{
//printf("Configuration failed\n");
}
while (!alt_up_av_config_read_ready(av_config)){}
//printf("Audio video configuration complete\n");
}
int initAVConfig(alt_up_av_config_dev* av_config) {
if (av_config == NULL) {
return AUDIO_ERROR;
}
alt_up_av_config_reset(av_config);
/*
if (alt_up_av_config_enable_interrupt(av_config) == 0) {
printf("Config interrupt enabled\n");
}
*/
while (!alt_up_av_config_read_ready(av_config)) {
}
return 0;
}
int main(void) {
device_reference = alt_up_sd_card_open_dev("/dev/SD_Card");
if (device_reference != NULL) {
while(1) {
if ((connected == 0) && (alt_up_sd_card_is_Present())) {
printf("Card connected.\n");
if (alt_up_sd_card_is_FAT16()) {
printf("FAT16 file system detected.\n");
//Print out the list in the sd card
handler = alt_up_sd_card_find_first("", buffer_name);
printf("%s \n", buffer_name);
//Read a file in SD card -needs to speed up(10 sec?) - needs array of int
sd_fileh = alt_up_sd_card_fopen("TEST.WAV", false);
if (sd_fileh < 0)
printf("Problem reading file. Error %i\n", sd_fileh);
else
{
printf("Reading file...\n");
audio_dev = alt_up_audio_open_dev (AUDIO_NAME);
if ( audio_dev == NULL){
return;
}
av_config = alt_up_av_config_open_dev(AUDIO_AND_VIDEO_CONFIG_NAME);
while(!alt_up_av_config_read_ready(av_config));
alt_up_audio_disable_read_interrupt(audio_dev);
alt_up_audio_enable_write_interrupt(audio_dev);
/*
// Get information of number of channels
//count = 0;
char a, b;
int d;
short c;
int index = 0;
while (buffer_name[index] != "\0"){
a = alt_up_sd_card_read(sd_fileh);
b = alt_up_sd_card_read(sd_fileh);
c = ((unsigned char) a <<8) | (unsigned char) b;
d = c;
d = alt_up_audio_write_fifo(device_reference,d,)
index++;
}
*/
/*
// printf("NumChannels ");
byte1 = 0;byte2 = 0;total = 0;
byte1 = alt_up_sd_card_read(sd_fileh);
byte2 = alt_up_sd_card_read(sd_fileh);
total = (byte1 & 0x00ff) | (byte2 << 8);
NumChannels = total;
// printf("%d\n",total);
// printf("SampleRate ");
byte1 = 0;byte2 = 0;byte3 = 0;byte4 = 0;long_total = 0;
byte1 = alt_up_sd_card_read(sd_fileh);
byte2 = alt_up_sd_card_read(sd_fileh);
byte3 = alt_up_sd_card_read(sd_fileh);
byte4 = alt_up_sd_card_read(sd_fileh);
long_total = (byte4 << 24) | (byte3 << 16) | (byte2 << 8) | ( byte1 & 0x000000ff);
sampleRate = long_total;
// printf("%ld\n",long_total);
*/
/*
count = 0;
while (count < 16) // 44-byte header
{
alt_up_sd_card_read(sd_fileh);
count++;
}
*/
}
//find next file
while ((handler = alt_up_sd_card_find_next(buffer_name)) != -1)
printf("%s \n", buffer_name);
}else{
printf("Unknown file system.\n");
}
connected = 1;
} else if ((connected == 1) && (alt_up_sd_card_is_Present() == false)) {
printf("Card disconnected.\n");
connected = 0;
}
}
}
return 0;
}
/**
* Mandatory setup function in order for audio to function
*/
void av_config_setup()
{
alt_up_av_config_dev * av_config =
alt_up_av_config_open_dev(AUDIO_AND_VIDEO_CONFIG_0_NAME);
while (!alt_up_av_config_read_ready(av_config));
}
