int main(void) {
char buffer_name[10];
short int handler;
alt_up_sd_card_dev *device_reference = NULL;
int connected = 0;
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);
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;
}
char openFileinSD(char* fileName, short int* file_handle_ptr){
short int file_handle;
char status = -1;
sd_card = alt_up_sd_card_open_dev("/dev/SD_Card");
if (sd_card != NULL){
while(1){
if (alt_up_sd_card_is_Present()){
printf("Card connected.\n");
if (alt_up_sd_card_is_FAT16()){
printf("FAT16 confirmed.\n");
file_handle = alt_up_sd_card_fopen( fileName, false );
if ( file_handle == -1 )
printf( "*** File cannot be opened.\n");
else if ( file_handle == -2 )
printf( "*** File already opeend.\n");
else {
*file_handle_ptr = file_handle;
status = 0;
printf( "File obtained.\n");
return status;
}
printf("*** Error reading File.\n");
} else {
printf("*** Not FAT16.\n");
}
}
}
}
printf("*** Storage Device may not found.\n");
return status;
}
void save_level(char level) {
short int handle;
alt_up_sd_card_dev *device_reference = NULL;
device_reference = alt_up_sd_card_open_dev(ALTERA_UP_SD_CARD_AVALON_INTERFACE_0_NAME);
if (device_reference != NULL && alt_up_sd_card_is_Present() && alt_up_sd_card_is_FAT16()) {
handle = alt_up_sd_card_fopen("saves.txt",0);
if (handle==-1) {
printf("ITS BAD\n");
}
/*
char temp[4];
if (handle==-1){
printf("ITS BAD\n");
}
sprintf(temp,"%d",level);
if(!alt_up_sd_card_write(handle, temp[0])){
printf("NOT WORKING\n");
}
alt_up_sd_card_write(handle, temp[2]);
alt_up_sd_card_write(handle, temp[3]);
alt_up_sd_card_write(handle, temp[4]);*/
alt_up_sd_card_write(handle,level);
alt_up_sd_card_fclose(handle);
}
}
/*
* Overview: exercise 3 reads sd_card and list its file.
*
*/
void sd_card(void){
char file_name[10];
alt_up_sd_card_dev *device_reference = NULL;
int connected = 0;
device_reference = alt_up_sd_card_open_dev(ALTERA_UP_SD_CARD_AVALON_INTERFACE_0_NAME);
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");
if(alt_up_sd_card_find_first(".", (char*) file_name)==0){
//printf("%s\n",file_name);
while(alt_up_sd_card_find_next((char*)file_name)==0)
{
//printf("%s\n", file_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;
}
break;
}
} else {
//printf("Card could not be opened\n");
}
//printf("sd_card function finished\n");
}
/*
* init_sd : open connection to sd card port
*/
void init_sd()
{
alt_up_sd_card_dev *device_reference = NULL;
char *interface = "/dev/Altera_UP_SD_Card_Avalon_Interface_0";
if ( ( device_reference = alt_up_sd_card_open_dev( interface ) ) == NULL ) {
printf( "ERROR! SD card path is bad: %s\n", interface );
} else {
if ( device_reference != NULL ) {
if ( ( SD_CONNECTED == 0 ) && ( alt_up_sd_card_is_Present() ) ) {
if ( alt_up_sd_card_is_FAT16() ) {
printf( "< SD Initialized >\n" );
SD_CONNECTED = 1;
} else {
printf( "ERROR! Unknown file system on SD card\n" );
}
} else if ( ( SD_CONNECTED == 1) && ( alt_up_sd_card_is_Present() == 0 ) ) {
printf( "ERROR! card disconnected.\n" );
SD_CONNECTED = 0;
}
} else {
printf( "ERROR! can't open sd card device\n" );
}
}
}
alt_up_sd_card_dev* get_device_reference(){
alt_up_sd_card_dev* device_reference = NULL;
if ((device_reference = alt_up_sd_card_open_dev("/dev/Altera_UP_SD_Card_Avalon_Interface_0")) == NULL){
return NULL;
}
return device_reference;
}
int openSdCard(){
sdDev = alt_up_sd_card_open_dev("/dev/Altera_UP_SD_Card_Avalon_Interface_0");
if(sdDev != NULL && alt_up_sd_card_is_FAT16()){
return 0;
} else {
return -1;
}
}
unsigned int* read_image(){
unsigned char* temp;
unsigned int* image;
short int handle;
int k = 0;
int i = 0;
temp = calloc (FILE_SIZE , sizeof(char));
image = calloc (ARRAY_SIZE , sizeof(short int));
alt_up_sd_card_dev *device_reference = NULL;
device_reference = alt_up_sd_card_open_dev(ALTERA_UP_SD_CARD_AVALON_INTERFACE_0_NAME);
if (device_reference != NULL && alt_up_sd_card_is_Present() && alt_up_sd_card_is_FAT16()) {
handle = alt_up_sd_card_fopen("text2.txt",0);
while(alt_up_sd_card_read(handle)!=-1){
*(temp+k)=(char)alt_up_sd_card_read(handle);
k++;
}
k=0;
i=0;
while(*(temp+k)!='!'){
if(*(temp+k)=='0'){
k++;
if(*(temp+k)=='x'){
k++;
*(image+i) += (*(temp+k));
*(image+i) = *(image+i) << 4;
k++;
*(image+i) += (*(temp+k));
*(image+i) = *(image+i) << 4;
k++;
*(image+i) += (*(temp+k));
*(image+i) = *(image+i) << 4;
k++;
*(image+i) += (*(temp+k));
i++;
k+=2;
}
}
printf("%i\n",*(image+i));
k++;
}
if(614300>k){
printf("Something is wrong.\n");
}
}
free(temp);
return image;
}
//Initializes SD card, outputs filenames on sd card
int init_sd(char * filenames[]){
int j;
int i = 0;
char thepath[] = AUD_DIRECT; //Directory for filenames we want to read
short int check_file_name;
for (j = 0; j < MAXFILES; j++) {
filenames[j] = (char *)malloc(sizeof(char) * MAX_NAME_LEN);
if (filenames[j] == NULL)
printf("Error, out of memory (2)\n");
}
alt_up_sd_card_dev * sd_card = NULL;
int connected = 0;
sd_card = alt_up_sd_card_open_dev("/dev/Interface");
if (sd_card != 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");
check_file_name = alt_up_sd_card_find_first(thepath,filenames[i]);
if (check_file_name == 1)
printf("Invalid Directory.\n");
else if (check_file_name == 2)
printf("Invalid SD Card.\n");
else if (check_file_name == -1)
printf("No files found.\n");
else {
i++;
}
while(alt_up_sd_card_find_next(filenames[i]) != -1){
i++;
}
arr = (unsigned int ***)malloc(sizeof(unsigned int) * i);
if (arr == NULL){
printf("Error, arr null\n");
}
return i; //If card connected, returns amount of files
} 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;
}
}
}
else {
printf("Error.\n");
return -1;
}
}
int sdcard_init() {
printf("Opening SDCard\n");
device_reference = alt_up_sd_card_open_dev(SDCARD_DEV);
if (device_reference == NULL) {
printf("Error: Could not open SDCard\n");
return 1;
}
printf("Opened SDCard\n");
return 0;
}
bool loadSDCard(alt_up_sd_card_dev* device) {
if((device = alt_up_sd_card_open_dev("/dev/SD_Card")) != NULL) {
if (alt_up_sd_card_is_Present()) {
printf("Card connected.\n");
if (alt_up_sd_card_is_FAT16()) {
printf("FAT16 file system detected.\n");
return true;
} else {
printf("Unknown file system.\n");
}
}
}
return false;
}
int init_sd(char * filenames[]){
int i = 0;
char thepath[] = "/";
short int check_file_name;
alt_up_sd_card_dev * sd_card = NULL;
int connected = 0;
sd_card = alt_up_sd_card_open_dev("/dev/Interface");
if (sd_card != 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");
check_file_name = alt_up_sd_card_find_first(thepath,filenames[i]);
if (check_file_name == 1)
printf("Invalid Directory.\n");
else if (check_file_name == 2)
printf("Invalid SD Card.\n");
else if (check_file_name == -1)
printf("No files found.\n");
else {
// printf("First file name = %s.\n", filenames[i]);
i++;
}
while(alt_up_sd_card_find_next(filenames[i]) != -1){
// printf("Next file name = %s.\n", filenames[i]);
i++;
}
return i;
} 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;
}
}
}
else {
printf("Error.\n");
return -1;
}
}
int readFromSDEncrypted(char* buffer, char* fileName, int bufferSize) {
alt_up_sd_card_dev *device_reference = NULL;
short int myFileHandle;
int i;
char tempChar[2];
tempChar[1] = '\0';
//printf("Opening SDCard\n");
if ((device_reference = alt_up_sd_card_open_dev(
"/dev/Altera_UP_SD_Card_Avalon_Interface_0")) == NULL) {
//printf("SDCard Open FAILED\n");
return -1;
} else {
//printf("SDCard Open PASSED\n");
}
if (alt_up_sd_card_is_Present() && alt_up_sd_card_is_FAT16()) {
myFileHandle = alt_up_sd_card_fopen(fileName, false);
if (myFileHandle == -1) {
myFileHandle = alt_up_sd_card_fopen(fileName, true);
}
if (myFileHandle != -1) {
//printf("File Opened\n");
for (i = 0; i < bufferSize; i++) {
tempChar[0] = alt_up_sd_card_read(myFileHandle);
if (tempChar[0] < 0) {
break;
}
strcat(buffer, tempChar);
}
//printf("Done!!!\n");
alt_up_sd_card_fclose(myFileHandle);
printf("buffer %s", buffer);
char *decryptedData = decryptData(buffer);
printf("Decrypted after read: %s", decryptedData);
strcpy(buffer, decryptedData);
return 0;
} else {
//printf("File NOT Opened\n");
}
}
return -1;
}
//initializes audio buffer
int initAudio(char* fname) {
alt_up_sd_card_dev *device_reference = NULL;
device_reference = alt_up_sd_card_open_dev(SD_CARD_NAME);
open_sd();
av_config_setup();
init_audio_buff(ab);
ab->audio = alt_up_audio_open_dev(AUDIO_0_NAME);
alt_up_audio_reset_audio_core(ab->audio);
file_handle = alt_up_sd_card_fopen(fname, 0);
offset(file_handle, ab);
fill_buff(file_handle, ab);
return file_handle;
}
void initSD() {
int connected = 0;
alt_up_sd_card_dev *device_reference = NULL;
device_reference = alt_up_sd_card_open_dev(SD_CARD_NAME);
if (device_reference != NULL) {
if ((connected == 0) && (alt_up_sd_card_is_Present())) {
printf("Card connected. \n");
printf("fat16: %d",alt_up_sd_card_is_FAT16());
if (alt_up_sd_card_is_FAT16())
printf("FAT16 file system detected. \n");
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;
}
}
}
int writeToSDEncrypted(char* buffer, char* fileName) {
alt_up_sd_card_dev *device_reference = NULL;
short int myFileHandle;
int i;
char *encryptedBuffer = encryptData(buffer);
printf("\nebuffer %s\n", encryptedBuffer);
printf("Opening SDCard\n");
if ((device_reference = alt_up_sd_card_open_dev(
"/dev/Altera_UP_SD_Card_Avalon_Interface_0")) == NULL) {
printf("SDCard Open FAILED\n");
return -1;
} else {
printf("SDCard Open PASSED\n");
}
if (alt_up_sd_card_is_Present() && alt_up_sd_card_is_FAT16()) {
if (alt_up_sd_card_is_Present() && alt_up_sd_card_is_FAT16()) {
myFileHandle = alt_up_sd_card_fopen(fileName, false);
if (myFileHandle == -1) {
myFileHandle = alt_up_sd_card_fopen(fileName, true);
}
if (myFileHandle != -1) {
printf("File Opened\n");
for (i = 0; i < strlen(encryptedBuffer); i++) {
if (alt_up_sd_card_write(myFileHandle, encryptedBuffer[i])
== false) {
printf("Error writing to file...\n");
return -1;
}
}
printf("Done!!!\n");
alt_up_sd_card_fclose(myFileHandle);
} else {
printf("File NOT Opened\n");
}
}
}
return 0;
}
void initSD(){
int connected = 0;
alt_up_sd_card_dev *device_reference = NULL;
device_reference = alt_up_sd_card_open_dev(ALTERA_UP_SD_CARD_AVALON_INTERFACE_0_NAME);
if (device_reference != NULL) {
if ((connected == 0) && (alt_up_sd_card_is_Present())) {
//printf("Card connected. \n");
//printf("fat16: %d",alt_up_sd_card_is_FAT16());
if (alt_up_sd_card_is_FAT16()); //printf("FAT16 file system detected. \n");
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;
}
}
findDatabaseVersion();
setDatabase(0);
}
*/void sound()
{
short int handle;
//printf("SDCARD CONNECTION CHECK\n");
alt_up_sd_card_dev *device_reference=alt_up_sd_card_open_dev("/dev/Altera_UP_SD_Card_Avalon_Interface_0");
alt_up_audio_dev *audio;
sdcardcheck(device_reference);
//printf("AV CONFIG SETUP\n");
av_config_setup();
//printf("AUDIO OPEN\n");
audio=alt_up_audio_open_dev("/dev/audio");
unsigned int buffer[COIN_SIZE];
char *filename="coin.wav";
readCoin(buffer, filename, handle);
play_audio(audio, buffer, handle);
alt_up_sd_card_fclose(filename);
}
/*
* This function initializes the SD card for use. It must be run once and only once before any other functions within this file are used
*/
void sd_init(void){
alt_up_sd_card_dev *device_reference = NULL;
device_reference = alt_up_sd_card_open_dev(ALTERA_UP_SD_CARD_AVALON_INTERFACE_0_NAME);
}
/*
* Initialization for SD card controller
*/
void initializeSDCardController()
{
sd_card_reference = alt_up_sd_card_open_dev(SD_CARD_NAME);
}
int main() {
int i;
//1 for receiving file from middleman, 2 for sending to middleman
int mode;
//Num char in filename array
int numFileName;
//Num bytes in file
int numBytesFile;
//Num characters in file array
int numFile;
char* listName;
//File to send or receive (likely a piece of it)
unsigned char fileName[MAX_FILENAME];
//variable to hold data received from uart
unsigned char data;
//parity bit for reading (not using parity atm, but still need the bit)
unsigned char parity;
short int handle;
//handle for the file to create/access
int connected = 0;
//Variable to keep track of whether the SD CARD is connected or not.
while (1) {
alt_up_sd_card_dev *device_reference = NULL;
device_reference = alt_up_sd_card_open_dev(ALTERA_UP_SD_CARD_AVALON_INTERFACE_0_NAME);
printf("UART Initialization\n");
alt_up_rs232_dev* uart = alt_up_rs232_open_dev("/dev/rs232_0");
if(!alt_up_sd_card_is_FAT16()){
printf("SD CARD is not FAT16 Format\n");
}
if (device_reference != NULL) {
while (alt_up_sd_card_is_Present()) {
printf("Clearing read buffer to start\n");
while (alt_up_rs232_get_used_space_in_read_FIFO(uart)) {
alt_up_rs232_read_data(uart, &data, &parity);
}
// Now receive the instruction from the Middleman
printf("Waiting for instruction to come from the Middleman\n");
while (alt_up_rs232_get_used_space_in_read_FIFO(uart) == 0)
;
// First byte is the mode, 1 for receiving file from middleman, 2 for sending to middleman
alt_up_rs232_read_data(uart, &data, &parity);
mode = (int) data;
//mode -= 48;
printf("Mode:%d\n", mode);
//Receive file from middleman and save to SD
if (mode == 1) {
printf("Waiting for num char:\n");
// The second byte is the number of characters in the file name
while (alt_up_rs232_get_used_space_in_read_FIFO(uart) == 0);
alt_up_rs232_read_data(uart, &data, &parity);
numFileName = (int) data;
//numFileName -= 48;
//Now receive the file name
printf("About to receive %d characters:\n\n", numFileName);
printf("Filename received:");
for (i = 0; i < numFileName; i++) {
while (alt_up_rs232_get_used_space_in_read_FIFO(uart)== 0);
alt_up_rs232_read_data(uart, &data, &parity);
fileName[i] = data;
printf("%c", data);
}
printf("\n");
fileName[i] = '.';
fileName[i+1] = 't';
fileName[i+2] = 'x';
fileName[i+3] = 't';
fileName[i+4]= '\0';
//
// TODO:
// USE THAT FILENAME TO MAKE A NEW FILE ON SD CARD HERE
handle = alt_up_sd_card_fopen(fileName, 1);
if(handle < 0){
//TODO: File can't be opened, do something about it
printf("send had a neg handle \n\n");
}
else{
// The 4 bytes after filename is the number of bytes in the file
//
// SHIFT BYTES LEFT AND CONCATENATE TO ACCOUNT FOR SEVERAL BYTES WORTH OF FILE
// WRITE FIRST 4 BYTES OF FILE AS SIZE OF FILE IN BYTES
while (alt_up_rs232_get_used_space_in_read_FIFO(uart) == 0);
alt_up_rs232_read_data(uart, &data, &parity);
alt_up_sd_card_write(handle, data);
numBytesFile = (int) data;
numBytesFile = numBytesFile << 8;
while (alt_up_rs232_get_used_space_in_read_FIFO(uart) == 0);
alt_up_rs232_read_data(uart, &data, &parity);
alt_up_sd_card_write(handle, data);
numBytesFile += (int) data;
numBytesFile = numBytesFile << 8;
while (alt_up_rs232_get_used_space_in_read_FIFO(uart) == 0);
alt_up_rs232_read_data(uart, &data, &parity);
alt_up_sd_card_write(handle, data);
numBytesFile += (int) data;
numBytesFile = numBytesFile << 8;
while (alt_up_rs232_get_used_space_in_read_FIFO(uart) == 0);
alt_up_rs232_read_data(uart, &data, &parity);
alt_up_sd_card_write(handle, data);
numBytesFile += (int) data;
//WRITE BYTES TO SD CARD
printf("About to receive %d file chars:\n\n",numBytesFile);
for (i = 0; i < numBytesFile; i++) {
while (alt_up_rs232_get_used_space_in_read_FIFO(uart)== 0);
alt_up_rs232_read_data(uart, &data, &parity);
alt_up_sd_card_write(handle, data);
}
printf("File done\n");
alt_up_sd_card_fclose(handle);
}
//This bracket ends receiving a file
}
//Send file to middleman from SD
else if (mode == 2) {
printf("Waiting for num char:\n");
// The second byte is the number of characters in the file name
while (alt_up_rs232_get_used_space_in_read_FIFO(uart) == 0)
;
alt_up_rs232_read_data(uart, &data, &parity);
numFileName = (int) data;
//numFileName -= 48;
//Now receive the file name
printf("About to receive %d characters:\n\n", numFileName);
printf("Filename received:");
for (i = 0; i < numFileName; i++) {
while (alt_up_rs232_get_used_space_in_read_FIFO(uart)
== 0)
;
alt_up_rs232_read_data(uart, &data, &parity);
fileName[i] = data;
printf("%c", data);
}
printf("\n");
fileName[i] = '.';
fileName[i+1] = 't';
fileName[i+2] = 'x';
fileName[i+3] = 't';
fileName[i+4]= '\0';
handle = alt_up_sd_card_fopen(fileName, 0);
if (handle == -1) {
//SEND ANDROID AN ASCII 2 TO LET THEM KNOW TO RECEIVE FILE NAME
alt_up_rs232_write_data(uart, 50);
printf("neg handle");
if(alt_up_sd_card_find_first(".",listName) ==-1){
//SEND ANDROID AN ASCII 2 TO LET THEM KNOW THERES NO FILE NAMES
alt_up_rs232_write_data(uart, 50);
printf("no files");
}
else{
//SEND ANDROID LIST OF FILE NAMES
printf("some files");
i=0;
for(i = 0; listName[i] != '.'; i++){
alt_up_rs232_write_data(uart, listName[i]);
}
alt_up_rs232_write_data(uart, 32);
while(alt_up_sd_card_find_next(listName)!=-1){
i=0;
for(i = 0; listName[i] != '.'; i++){
alt_up_rs232_write_data(uart, listName[i]);
}
alt_up_rs232_write_data(uart, 32);
}
alt_up_rs232_write_data(uart, 1);
printf("done files");
}
} else {
//SEND ANDROID AN ASCII 1 TO LET THEM KNOW TO RECEIVE A FILE
alt_up_rs232_write_data(uart, 49);
// SHIFT BYTES LEFT AND CONCATENATE TO ACCOUNT FOR SEVERAL BYTES WORTH OF FILE
// WRITE FIRST 4 BYTES OF FILE AS SIZE OF FILE IN BYTES
data = alt_up_sd_card_read(handle);
alt_up_rs232_write_data(uart, data);
numFile = (int) data;
numFile = numFile << 8;
data = (int) alt_up_sd_card_read(handle);
alt_up_rs232_write_data(uart, data);
numFile += (int) data;
numFile = numFile << 8;
data = (int) alt_up_sd_card_read(handle);
alt_up_rs232_write_data(uart, data);
numFile += (int) data;
numFile = numFile << 8;
data = (int) alt_up_sd_card_read(handle);
alt_up_rs232_write_data(uart, data);
numFile += (int) data;
printf("About to send %d file bytes\n", numFile);
while (numFile > 0) {
while(alt_up_rs232_get_available_space_in_write_FIFO(uart) == 0);
data = alt_up_sd_card_read(handle);
alt_up_rs232_write_data(uart, data);
numFile--;
}
// WRITE A "FILE DONE" STRING OR WHATEVER WE DECIDE
printf("sending end bits\n");
// alt_up_rs232_write_data(uart, 1);
//
//
//
alt_up_sd_card_fclose(handle);
}
//This bracket ends sending a file
}
//Something broke
else {
printf("Wrong mode, something broke, starting over\n");
}
}
}
else {
printf("Card Reader is not working\n");
}
}
return 0;
//end main
}
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;
}
/**
* Initializes the SD Card Driver
*/
void sdcard_Init(void)
{
alt_up_sd_card_dev *device_reference = NULL;
device_reference = alt_up_sd_card_open_dev("/dev/Altera_UP_SD_Card_Avalon_Interface_0");
}
