void PlayFile_3_0(Fat16 &file, LightWall &LW, void (*error_code)(int)) {
/*Message Type 0 header: 4 bytes
* 1 Byte: Lights per string
* 1 Byte: Lights per Row
* 2 Bytes: Inter-frame pause
*/
if (file.read(header_3_0, 2) <2)
{
error_code(4); //Unexpected EOF
return;
}
if (header_3_0[0] != LW.lightsPerString())
{
error_code(13); //Mismatched light count
return;
}
if (header_3_0[1] != LW.lightsPerRow())
{
error_code(14); //Mismatched Row Size
return;
}
if (file.read(&ifg, 2) <2) // Bytes 4 & 5 are Inter-frame pause
{
error_code(4); //Unexpected EOF
return;
}
if (ifg == 0)
{
ifg=1;
}
readsize = file.read(LW.Buffer, 12);
if (readsize <12)//File should never be empty here
error_code(4); // Unexpected EOF
int i = 0;
while (readsize==12)
{
for (i = 0; i < LW.lightsPerString(); i++)
{
LW.send_frame(i);
_delay_us(30);
readsize = file.read(LW.Buffer, 12);
}
delay(ifg);
}
LW.fadeout(5000);
LW.blank_screen();
//reset intensity from fadeout
LW.set_intensity(0xFF); //intensity=DEFAULT_INTENSITY;
LW.send_frame(63);
_delay_us(50);
delay(1000);
}
boolean newSD::findIndex(char *fileName,unsigned int &songindex)
{
unsigned char dname[11]; // name formated for dir entry
dir_t* p; // pointer to cached dir entry
// error if invalid name
unsigned int _rootDirEntryCount = file.rootDirEntryCount();
if (!make83Name(fileName, dname)) return false;//false
for (uint16_t index = 0; index < _rootDirEntryCount; index++) {
if (!(p = file.dbgCacheDir(index))) return false;//false
if (p->name[0] == DIR_NAME_FREE || p->name[0] == DIR_NAME_DELETED) {
// done if no entries follow
if (p->name[0] == DIR_NAME_FREE) break;
} else if (!memcmp(dname, p->name, 11)) {
songindex = index;
return true;
}
}
}
void logInit() {
// initialize the SD card
if (!card.init()) {
Serial.print("Error initializing card - ");
Serial.println(card.errorCode, HEX);
return;
}
// initialize a FAT16 volume
if (!Fat16::init(&card)) {
Serial.println("Can't initialize volume.");
return;
}
// create a new file
char name[] = "LOGGER00.TXT";
for (uint8_t i = 0; i < 100; i++) {
name[6] = i/10 + '0';
name[7] = i%10 + '0';
// O_CREAT - create the file if it does not exist
// O_EXCL - fail if the file exists
// O_WRITE - open for write only
if (file.open(name, O_CREAT | O_EXCL | O_WRITE)) break;
}
if (!file.isOpen()) {
Serial.println("Error creating log file.");
return;
}
Serial.print("Logging to: ");
Serial.println(name);
// write data header
// clear write error
file.writeError = false;
file.println("Started log.");
file.sync();
fileReady = 1;
}
unsigned char newSD::openFile(unsigned int index)
{
if (file.open(index, O_READ)) {
// Serial.print(index);
// Serial.println(" opened");
return 1;
}
else{
error("open file failed");
return 0;
}
}
unsigned char newSD::openFile(char *fileName)
{
if (file.open(fileName, O_READ)) {
Serial.write(fileName);
Serial.println(" opened");
return 1;
}
else{
error("open file failed");
return 0;
}
}
int openFile(uint16_t index)
{
if (file.open(index, O_READ)) {
Serial.print(index);
Serial.println(" opened");
return 1;
}
else{
error("open file failed");
return 0;
}
}
boolean newSD::traverseRootSong(unsigned int songIndex[], unsigned char &totalNum)
{
dir_t* p; // pointer to directory entry
unsigned int _rootDirEntryCount = file.rootDirEntryCount();
Serial.println("All songs in the root directory:");
for (unsigned int index = 0; index < _rootDirEntryCount; index++)
{
if (!(p = file.dbgCacheDir(index))) return false;
if (p->name[0] == DIR_NAME_FREE) return true;
else if(p->name[0] == DIR_NAME_DELETED)continue;
else if((p->name[8] == 'M')&&(p->name[9] == 'P')&&(p->name[10] == '3')){
songIndex[totalNum] = index;
totalNum ++;
ucharArray2String(p->name);
}
else if((p->name[8] == 'W')&&(p->name[9] == 'A')&&(p->name[10] == 'V')){
songIndex[totalNum] = index;
totalNum ++;
ucharArray2String(p->name);
}
else if((p->name[8] == 'W')&&(p->name[9] == 'M')&&(p->name[10] == 'A')){
songIndex[totalNum] = index;
totalNum ++;
ucharArray2String(p->name);
}
else if((p->name[8] == 'M')&&(p->name[9] == 'I')&&(p->name[10] == 'D')){
songIndex[totalNum] = index;
totalNum ++;
ucharArray2String(p->name);
}
else if((p->name[8] == 'O')&&(p->name[9] == 'G')&&(p->name[10] == 'G')){
songIndex[totalNum] = index;
totalNum ++;
ucharArray2String(p->name);
}
if(totalNum == 100)return true;
}
}
void log(char *fmt, ... ) {
char buf[128]; // resulting string limited to 128 chars
va_list args;
va_start (args, fmt );
vsnprintf(buf, 128, fmt, args);
va_end (args);
if (serial_logging) {
Serial.print(gps_time);
Serial.print(':');
Serial.print(millis());
Serial.print(' ');
Serial.print(buf);
}
if (fileReady) {
file.print(gps_time);
file.print(':');
file.print(millis());
file.print(' ');
file.print(buf);
file.sync();
}
}
uint8_t read() { return f.read(); }
void seek(size_t offset) { f.seekSet(offset); }
uint32_t read32(Fat16& f) {
uint32_t result;
f.read(&result,sizeof(result));
return result;
}
uint16_t read16(Fat16& f) {
uint16_t result;
f.read(&result,sizeof(result));
return result;
}
int readFile(byte *buffer, int len)
{
int readLen = 0;
readLen = file.read(buffer,len);
return readLen;
}
int newSD::readFile(byte *buffer,unsigned int len)
{
int readLen = 0;
readLen = file.read(buffer,len);
return readLen;
}
