unhbEsel/UNHB-Esel/FileHandling.ino

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int getFileFrames(char* file) {
File f = SPIFFS.open(file, "r");
String line;
int n = -1;
int result;
if (!f) {
Serial.println("Cannot open file!");
return -1;
} else {
while(f.available() && n<0) {
line = f.readStringUntil('\n');
n = line.lastIndexOf("FRAME_COUNT");
}
String strFrameNumber = line.substring(n+12);
result = strFrameNumber.toInt();
}
f.close();
return result;
}
void playFile(char* file, int framespeed) {
int frameNumber = getFileFrames(file);
int n = -1;
RgbColor *anim[64];;
//uint8_t anim[frameNumber][64*3];
File f = SPIFFS.open(file, "r");
String line;
char rgbChar[8];
// load file into array
if (!f) {
Serial.println("Cannot open file!");
return;
} else {
// forward to first hex number
while(f.available() && n<0) {
line = f.readStringUntil('\n');
n = line.lastIndexOf("0x");
}
for(int frame=0; frame<frameNumber; frame++) {
for(int j=0; j<8; j++) {
for(int i=0; i<8; i++) {
String rgbStr=line.substring(4+i*12,4+i*12+6);
uint32_t rgb = strtol(rgbStr.c_str(), NULL, 16);
anim[i*8+j] = new RgbColor(rgb & 0xFF, rgb>>8 & 0xFF, rgb>>16);
strip.SetPixelColor( i*8+j , *anim[i*8+j]);
strip.SetPixelColor( 64+i*8+j , *anim[i*8+j]);
}
line = f.readStringUntil('\n');
}
strip.Show();
delay(framespeed);
if(frame<frameNumber-1) line = f.readStringUntil('\n'); line = f.readStringUntil('\n');
for(int i=0; i<64; i++) {
delete anim[i];
}
}
}
f.close();
}
void playLRFile(char* lfile, char* rfile, int framespeed) {
int leftFrameNumber = getFileFrames(lfile);
int rightFrameNumber = getFileFrames(rfile);
int n = -1;
RgbColor *lanim[64];
RgbColor *ranim[64];;
File lf = SPIFFS.open(lfile, "r");
File rf = SPIFFS.open(rfile, "r");
String lline, rline;
char rgbChar[8];
String rgbStr;
uint32_t rgb;
if(leftFrameNumber != rightFrameNumber) { Serial.println("Frame mismatch for playLRFile"); return; }
// load file into array
if (!lf | !rf) {
Serial.println("Cannot open any of the left-/rightfile!");
return;
} else {
// forward to first hex number
while(lf.available() && n<0) {
lline = lf.readStringUntil('\n');
n = lline.lastIndexOf("0x");
}
n=-1;
while(rf.available() && n<0) {
rline = rf.readStringUntil('\n');
n = rline.lastIndexOf("0x");
}
for(int frame=0; frame<leftFrameNumber; frame++) {
for(int j=0; j<8; j++) {
for(int i=0; i<8; i++) {
rgbStr=lline.substring(4+i*12,4+i*12+6);
rgb = strtol(rgbStr.c_str(), NULL, 16);
lanim[i*8+j] = new RgbColor(rgb & 0xFF, rgb>>8 & 0xFF, rgb>>16);
strip.SetPixelColor( i*8+j , *lanim[i*8+j]);
rgbStr=rline.substring(4+i*12,4+i*12+6);
rgb = strtol(rgbStr.c_str(), NULL, 16);
ranim[i*8+j] = new RgbColor(rgb & 0xFF, rgb>>8 & 0xFF, rgb>>16);
strip.SetPixelColor( 64+i*8+j , *ranim[i*8+j]);
}
lline = lf.readStringUntil('\n');
rline = rf.readStringUntil('\n');
}
strip.Show();
delay(framespeed);
if(frame<leftFrameNumber-1) {
lline = lf.readStringUntil('\n'); lline = lf.readStringUntil('\n');
rline = rf.readStringUntil('\n'); rline = rf.readStringUntil('\n');
}
for(int i=0; i<64; i++) {
delete lanim[i];
delete ranim[i];
}
}
}
lf.close();
rf.close();
}