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player.h
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//***************************************************************************************
#define SAMPLES 128
uint16_t value;
byte peak[] = {0, 0, 0, 0, 0, 0, 0};
double vReal[SAMPLES];
double vImag[SAMPLES];
//***************************************************************************************
uint16_t COLORIX;
uint16_t max_bar_height = 140;
uint16_t bar_height = 196; //32
uint16_t bar_width = 24;
uint16_t bar_spacing = 10;
uint16_t bars_xoffset = 8;
uint16_t amp[7];
//***************************************************************************************
void displayBand(int band, int dsize) {
int dmax = max_bar_height; //max bar height
if (dsize > dmax) dsize = dmax;
for (int s = dsize - 1; s <= dmax; s = s + 1) {
for (uint16_t bar_tmp = 0; bar_tmp < bar_width; bar_tmp++)
screenmemory_drawpixel((bar_width + bar_spacing)*band + bar_tmp + 1 + bars_xoffset, bar_height - s, 0x3F);
}
for (int s = dsize; s > 0 ; s = s - 1) {
if (s > 120 ) COLORIX = 6; //RED
else if (s > 100 && s <= 120) COLORIX = 24; //YELLOW
else COLORIX = 26; //GREEN
for (uint16_t bar_tmp = 0; bar_tmp < bar_width; bar_tmp++) {
screenmemory_drawpixel((bar_width + bar_spacing)*band + bar_tmp + 1 + bars_xoffset, bar_height - s, COLORIX);
}
}
if (dsize > peak[band]) {
peak[band] = dsize;
}
}
//**************************************************************************************
void visualyze() {
for (int i = 0; i < 0+SAMPLES; i++) {
if (audio.m_curSample<1152-SAMPLES)
value = ((int16_t*)audio.m_outBuff)[2 * i + audio.m_curSample * 2];
else
value = ((int16_t*)audio.m_outBuff)[2 * i + (1152-audio.m_curSample) *2 ];
vReal[i] = value / 512 * audio.m_vol/100;
vImag[i] = 0;
}
FFT.Windowing(vReal, SAMPLES, FFT_WIN_TYP_HAMMING, FFT_FORWARD);
FFT.Compute(vReal, vImag, SAMPLES, FFT_FORWARD);
FFT.ComplexToMagnitude(vReal, vImag, SAMPLES);
for (int i = 0; i < 7; i++) {
amp[i] = 0; //reset amp bar values
}
for (int i = 1; i < (SAMPLES/2); i++) { // Don't use sample 0 and only first SAMPLES/2 are usable. Each array eleement represents a frequency and its value the amplitude.
if (i > 2 && i <= 3 & (uint16_t)vReal[i] > amp[0] ) amp[0] = (uint16_t)vReal[i]; //125Hz
if (i > 3 && i <= 7 & (uint16_t)vReal[i] > amp[1] ) amp[1] = (uint16_t)vReal[i]; //250Hz
if (i > 7 && i <= 12 & (uint16_t)vReal[i] > amp[2] ) amp[2] = (uint16_t)vReal[i]; //500Hz
if (i > 12 && i <= 24 & (uint16_t)vReal[i] > amp[3] ) amp[3] = (uint16_t)vReal[i]; //1kHz
if (i > 24 && i <= 30 & (uint16_t)vReal[i] > amp[4] ) amp[4] = (uint16_t)vReal[i]; //2kHz
if (i > 30 && i <= 45 & (uint16_t)vReal[i] > amp[5] ) amp[5] = (uint16_t)vReal[i]; //4kHz
if (i > 45 && i <= 64 & (uint16_t)vReal[i] > amp[6] ) amp[6] = (uint16_t)vReal[i]; //8kHz
}
//correct bar ratio
amp[6] *= 2;
amp[5] *= 2;
amp[4] *= 1.5;
amp[3]*=1.0;
amp[2]*=0.50;
amp[1] *= 0.25;
amp[0] *= 0.25;
///DRAW BARS
for (uint16_t tmp = 0; tmp < 7; tmp++) displayBand(tmp, amp[tmp]);
//DRAW PEAKS
for (byte band = 0; band <= 6; band++) {
for (uint16_t bar_tmp = 0; bar_tmp < bar_width; bar_tmp++)
screenmemory_drawpixel((bar_width + bar_spacing)*band + bar_tmp + 1 + bars_xoffset, bar_height - peak[band], 0x3d);
}
for (byte band = 0; band <= 6; band++) {
if (peak[band] > 0) peak[band] -= 1; // Decay the peak
}
xQueueSend(vidQueue, &SCREENMEMORY, 0); //refresh LCD
}
//********************************************************************************
uint16_t PLAYINGFILE = 0;
uint16_t TOTALFILES = 0;
char TRACKNAME[64];
uint8_t VOLUME = 7;
//--------------------------------------------------------------------------------
char* EXPLORE(char* PATH) {
uint8_t num = 0;
uint8_t loadedFileNames = 0;
//clear memory variables
for (uint16_t tmp = 0; tmp < MAXFILES; tmp++) memset (filename[tmp], 0, sizeof(filename[tmp]));
fileext[0] = 0;
fileext[1] = 0;
fileext[2] = 0;
fileext[3] = 0;
num = 0;
loadedFileNames = 0;
//Load List files in root directory.
///if (!dirFile.open("/", O_READ)) {
if (!dirFile.open(PATH, O_READ)) {
while (1) {};
}
while (num < MAXFILES && file.openNext(&dirFile, O_READ)) {
// Skip hidden files.
if (!file.isHidden()) {
for (uint8_t i = sizeof(filename[num]); i > 3; i--) filename[num][i] = 0;
file.getName(filename[num], MAXFILENAME_LENGTH);
if (file.isSubDir()) {
sprintf(filename[num], "%s/", filename[num]);
num++;
} else {
for (uint8_t i = strlen(filename[num]); i > 3; i--) {
if (filename[num][i] != 0) {
fileext[3] = '\0';
fileext[2] = filename[num][i];
fileext[1] = filename[num][i - 1];
fileext[0] = filename[num][i - 2];
break;
}
}
}
if (DEBUG) {
///Serial.println(fileext[num]);
///Serial.println(strlen(filename[num]));
}
//check MP3 File extension, then increase index
if ((fileext[0] == 'M' || fileext[0] == 'm')
&& (fileext[1] == 'P' || fileext[1] == 'p')
&& (fileext[2] == '3' || fileext[2] == '3')) {
num++;
}
if ((fileext[0] == 'W' || fileext[0] == 'w')
&& (fileext[1] == 'A' || fileext[1] == 'a')
&& (fileext[2] == 'V' || fileext[2] == 'v')) {
num++;
}
//OGG not supported
/*if ((fileext[num][0] == 'O' || fileext[num][0] == 'o')
&& (fileext[num][1] == 'G' || fileext[num][1] == 'g')
&& (fileext[num][2] == 'G' || fileext[num][2] == 'g')) {
num++;
}*/
}
loadedFileNames = num;
file.close();
}
dirFile.close();
if (DEBUG) {
Serial.println("--------------------------------------");
Serial.print("Count of loaded File Names:");
Serial.println(loadedFileNames);
}
sortStrings(filename, loadedFileNames);
//DRAW FILENAMES INTO BUFFER
uint8_t CURSOR = 0;
uint8_t PAGE = 0;
bool NamesDisplayed = false;
while (1) {
#if BLUETOOTH_ENABLED
/// hid_update();
/// PS4_JOY();
#endif
PAGE = CURSOR / FILESPERPAGE;
if (!NamesDisplayed) {
screenmemory_fillscreen(63); //black color
set_font_XY(16, 24 );
draw_string(PATH, 48);
for (num = PAGE * FILESPERPAGE; num < ((PAGE + 1)*FILESPERPAGE) && num < loadedFileNames; num++) {
set_font_XY(40, 48 + 20 * (num % FILESPERPAGE));
///draw_string(filename[num],48);
if (filename[num][strlen(filename[num]) - 1] == '/') draw_string(filename[num], 23);
else draw_string(filename[num], 48);
delay(1);
}
NamesDisplayed = true;
}
//Draw Cursor
set_font_XY(16, 48 + (20 * (CURSOR % FILESPERPAGE)));
draw_string("->", 48);
delay(200);
//PROCESS CURSOR SELECTION
while (JOY_CROSS == 0 && JOY_SQUARE == 0 && JOY_OPTIONS == 0 && JOY_SHARE == 0 && JOY_UP == 0 && JOY_DOWN == 0 && JOY_LEFT == 0 && JOY_RIGHT == 0) {
if (digitalRead(PIN_A) == 1) {
JOY_CROSS = 1; //A
delay(25);
}
if (digitalRead(PIN_B) == 1) {
JOY_SQUARE = 1; //B
delay(25);
}
if (digitalRead(PIN_SELECT) == 1) {
JOY_OPTIONS = 1; //SELECT
delay(25);
}
if (digitalRead(PIN_START) == 1) {
JOY_SHARE = 1; //START
delay(25);
}
if (digitalRead(PIN_UP) == 1) {
JOY_UP = 1;
delay(25);
}
if (digitalRead(PIN_DOWN) == 1) {
JOY_DOWN = 1; //DOWN
delay(25);
}
if (digitalRead(PIN_LEFT) == 1) {
JOY_LEFT = 1; //LEFT
delay(25);
}
if (digitalRead(PIN_RIGHT) == 1) {
JOY_RIGHT = 1; //RIGHT
delay(25);
}
}
//Empty Cursor
set_font_XY(16, 48 + (20 * (CURSOR % FILESPERPAGE)));
draw_string(" ", 48);
if (JOY_SHARE == 1 && JOY_OPTIONS == 1) {
JOY_SHARE = 0;
JOY_OPTIONS = 0;
EXIT = true;
PLAYING = false;
return MAINPATH;
}
if (JOY_UP == 1 ) {
if (CURSOR % FILESPERPAGE == 0) NamesDisplayed = false; //changed page
if (CURSOR == 0 && loadedFileNames > 0) CURSOR = loadedFileNames - 1;
else if (CURSOR > 0 && loadedFileNames > 0) CURSOR--;
JOY_UP = 0;
}
if (JOY_DOWN == 1 ) {
if (CURSOR % FILESPERPAGE == FILESPERPAGE - 1 || CURSOR == loadedFileNames - 1) NamesDisplayed = false; //changed page
if (CURSOR == loadedFileNames - 1 && loadedFileNames > 0) CURSOR = 0;
else if (CURSOR < loadedFileNames - 1 && loadedFileNames > 0) CURSOR++;
JOY_DOWN = 0;
}
if (JOY_LEFT == 1) {
if (CURSOR > FILESPERPAGE - 1) CURSOR -= FILESPERPAGE;
NamesDisplayed = false;
JOY_LEFT = 0;
}
if (JOY_RIGHT == 1) {
if (CURSOR / FILESPERPAGE < loadedFileNames / FILESPERPAGE) CURSOR += FILESPERPAGE;
if (CURSOR > loadedFileNames - 1) CURSOR = loadedFileNames - 1;
NamesDisplayed = false;
JOY_RIGHT = 0;
}
if (JOY_OPTIONS == 1) {
//do nothing = unused
JOY_OPTIONS = 0;
}
if ((JOY_CROSS == 1 || JOY_SHARE == 1) && JOY_OPTIONS == 0) {
dirFile.close();
JOY_CROSS = 0;
JOY_SHARE = 0;
JOY_OPTIONS = 0;
delay(25);
PLAYINGFILE = CURSOR;
TOTALFILES = loadedFileNames;
sprintf(MAINPATH, "%s%s", PATH, filename[CURSOR]);
if (DEBUG) Serial.println(MAINPATH);
sprintf(TRACKNAME, "%s", filename[CURSOR]);
return MAINPATH ; //START //A
}
if ((JOY_SQUARE == 1 ) && JOY_OPTIONS == 0) {
dirFile.close();
JOY_SQUARE = 0;
JOY_SHARE = 0;
JOY_OPTIONS = 0;
delay(25);
if (DEBUG) Serial.println(PATH);
if (DEBUG) Serial.println(strlen(PATH));
sprintf(MAINPATH, "%s", PATH);
if (strlen(MAINPATH) > 1) {
MAINPATH[strlen(MAINPATH) - 1] = '\0';
for (uint8_t strpos = strlen(MAINPATH) - 1; strpos > 0; strpos--) {
if (MAINPATH[strpos] == '/') break;
MAINPATH[strpos] = '\0';
}
}
if (DEBUG) Serial.println(MAINPATH);
if (DEBUG) Serial.println(strlen(MAINPATH));
return MAINPATH ;
}
};
}
//################################################################################
//********************************************************************************
char* Browse(char* PATH) {
if (PATH[strlen(PATH) - 1] != '/')
if (strlen(PATH) > 1) {
PATH[strlen(PATH) - 1] = '\0';
for (uint8_t strpos = strlen(PATH) - 1; strpos > 0; strpos--) {
if (PATH[strpos] == '/') break;
PATH[strpos] = '\0';
}
}
Serial.print("EXPLORE: ");
Serial.println(PATH);
//................................................................................
while (PATH[strlen(PATH) - 1] == '/') {
PATH = EXPLORE(PATH);
if (EXIT) break;
}
//................................................................................
return PATH;
}
//________________________________________________________________________________
char* PREVNEXT(char* PATH, uint8_t POSITION) {
if (PATH[strlen(PATH) - 1] != '/')
if (strlen(PATH) > 1) {
PATH[strlen(PATH) - 1] = '\0';
for (uint8_t strpos = strlen(PATH) - 1; strpos > 0; strpos--) {
if (PATH[strpos] == '/') break;
PATH[strpos] = '\0';
}
}
uint8_t num = 0;
uint8_t loadedFileNames = 0;
//LOAD FILENAMES INTO MEMORY...
num = 0;
if (!dirFile.open(PATH, O_READ)) {
while (1) {};
}
while (num < MAXFILES && file.openNext(&dirFile, O_READ)) {
// Skip directories and hidden files.
if (!file.isSubDir() && !file.isHidden()) {
for (uint8_t i = sizeof(filename[num]); i > 3; i--) filename[num][i] = 0;
file.getName(filename[num], MAXFILENAME_LENGTH);
if (file.isSubDir()) {
///sprintf(filename[num], "%s/", filename[num]);
///num++;
} else {
for (uint8_t i = strlen(filename[num]); i > 3; i--) {
if (filename[num][i] != 0) {
fileext[3] = '\0';
fileext[2] = filename[num][i];
fileext[1] = filename[num][i - 1];
fileext[0] = filename[num][i - 2];
break;
}
}
}
//check MP3 File extension, then increase index
if ((fileext[0] == 'M' || fileext[0] == 'm')
&& (fileext[1] == 'P' || fileext[1] == 'p')
&& (fileext[2] == '3' || fileext[2] == '3')) {
num++;
}
if ((fileext[0] == 'W' || fileext[0] == 'w')
&& (fileext[1] == 'A' || fileext[1] == 'a')
&& (fileext[2] == 'V' || fileext[2] == 'v')) {
num++;
}
}
loadedFileNames = num;
file.close();
}
dirFile.close();
if (DEBUG) {
Serial.println("--------------------------------------");
Serial.print("Count of loaded File Names:");
Serial.println(loadedFileNames);
}
sortStrings(filename, loadedFileNames);
sprintf(MAINPATH, "%s%s", PATH, filename[POSITION]);
if (DEBUG) Serial.println(MAINPATH);
sprintf(TRACKNAME, "%s", filename[POSITION]);
return MAINPATH ; //START //A
}
//________________________________________________________________________________