/*---------------------------------------------------------------------------*/
T_uezError UEZWAVChangeFile(char* newFile)
{
T_uezError error;
UEZTaskSuspend(G_playerTask);
(*i2s)->Stop((void*)i2s);//UEZStopWAV();
playStatus = EFalse;
UEZFileClose(file);
fileOpen = EFalse;
error = UEZFileOpen(newFile, FILE_FLAG_READ_ONLY, &file);
if(error != UEZ_ERROR_NONE)
return error;
fileOpen = ETrue;
error = UEZFileRead(file, &throwAway, 44, &numBytesRead);
readNextBlock(wav, &numBytesRead);
readNextBlock(wav2, &numBytesRead2);
read1 = 0;
read2 = 0;
index = 0;
flag = ETrue;
playStatus = ETrue;
UEZTaskResume(G_playerTask);
(*i2s)->Start((void*)i2s);
return UEZ_ERROR_NONE;
}
void BrightnessControlMode(const T_choice *aChoice)
{
T_uezDevice ts;
static T_uezQueue queue = NULL;
static T_brightnessControlWorkspace *G_ws = NULL;
INT_32 winX, winY;
T_uezInputEvent inputEvent;
#if ENABLE_UEZ_BUTTON
T_uezDevice keypadDevice;
#endif
#if UEZ_ENABLE_LIGHT_SENSOR
TUInt32 levelCurrent = 1, levelPrevious = 0;
T_uezDevice ls;
DEVICE_LightSensor **p;
T_uezError error;
char levelText[30];
TBool lightSensorActive = EFalse;
if( UEZDeviceTableFind("Light Sensor", &ls) == UEZ_ERROR_NONE) {
if(UEZDeviceTableGetWorkspace(ls, (T_uezDeviceWorkspace **)&p) == UEZ_ERROR_NONE) {
if((*p)->Open((void *)p, "I2C1") == UEZ_ERROR_NONE) {
lightSensorActive = ETrue;
}
}
}
#endif
#ifdef NO_DYNAMIC_MEMORY_ALLOC
if (NULL == G_ws)
{
G_ws = UEZMemAlloc(sizeof(*G_ws));
}
#else
G_ws = UEZMemAlloc(sizeof(*G_ws));
#endif
#if UEZ_ENABLE_LIGHT_SENSOR
UEZTaskSuspend(G_lightSensorTask);
#endif
if (!G_ws)
return;
memset(G_ws, 0, sizeof(*G_ws));
G_ws->iExit = EFalse;
G_ws->iNeedUpdate = ETrue;
#ifdef NO_DYNAMIC_MEMORY_ALLOC
if (NULL == queue)
{
if (UEZQueueCreate(1, sizeof(T_uezInputEvent), &queue) != UEZ_ERROR_NONE)
{
queue = NULL;
}
}
if (NULL != queue) {
/* Register the queue so that the IAR Stateviewer Plugin knows about it. */
UEZQueueAddToRegistry( queue, "Brightness TS" );
#else
if (UEZQueueCreate(1, sizeof(T_uezInputEvent), &queue) == UEZ_ERROR_NONE) {
#if UEZ_REGISTER
UEZQueueSetName(queue, "Brightness", "\0");
#endif
#endif
#if ENABLE_UEZ_BUTTON
UEZKeypadOpen("BBKeypad", &keypadDevice, &queue);
#endif
// Open up the touchscreen and pass in the queue to receive events
if (UEZTSOpen("Touchscreen", &ts, &queue)==UEZ_ERROR_NONE) {
// Open the LCD and get the pixel buffer
if (UEZLCDOpen("LCD", &G_ws->iLCD) == UEZ_ERROR_NONE) {
UEZLCDGetBacklightLevel(G_ws->iLCD, &G_ws->iLevel, &G_ws->iNumLevels);
// Put the screen up
BCMScreen(G_ws);
// Sit here in a loop until we are done
while (!G_ws->iExit) {
// Do choices and updates
if (UEZQueueReceive(queue, &inputEvent, 500)==UEZ_ERROR_NONE) {
winX = inputEvent.iEvent.iXY.iX;
winY = inputEvent.iEvent.iXY.iY;
swim_get_virtual_xy(&G_win, &winX, &winY);
if (inputEvent.iEvent.iXY.iAction == XY_ACTION_PRESS_AND_HOLD) {
// Are we in the panel?
if ((winY >= G_ws->iRSlidePanel.iTop) && (winY <= G_ws->iRSlidePanel.iBottom) &&
(winX >= G_ws->iRSlidePanel.iLeft) && (winX <= G_ws->iRSlidePanel.iRight)) {
// Inside the panel and touching the screen, let's map this to an intensity
// of 0-255
if(winY > G_ws->iRGroove.iBottom)
G_ws->iLevel = 0;
else
{
G_ws->iLevel =
(G_ws->iRGroove.iBottom - winY)*(G_ws->iNumLevels)/
(1+G_ws->iRGroove.iBottom-G_ws->iRGroove.iTop);
}
UEZLCDSetBacklightLevel(G_ws->iLCD, G_ws->iLevel);
G_ws->iNeedUpdate = ETrue;
}
}
ChoicesUpdateByReading(&G_win, G_ws->iChoices, &inputEvent);
#if UEZ_ENABLE_LIGHT_SENSOR
if (lightSensorActive) {
levelCurrent = (*p)->GetLevel((void *)p);
if(levelCurrent == 0xFFFFFFFF) { //ligh sensor no longer resonding
lightSensorActive = EFalse;
break;
}
if( levelCurrent != levelPrevious) {
swim_set_font(&G_win, &APP_DEMO_DEFAULT_FONT);
swim_set_fill_color(&G_win, BLACK);
swim_set_pen_color(&G_win, BLACK);
sprintf(levelText, "Ambient Light Level: %04d lux\0", levelCurrent);
//erase old text
swim_put_box(&G_win,
(UEZ_LCD_DISPLAY_WIDTH/2) - (swim_get_text_line_width(&G_win, levelText) /2),//x1
BCM_SLIDE_PANEL_OUTER_PADDING,//y1
(UEZ_LCD_DISPLAY_WIDTH/2) + (swim_get_text_line_width(&G_win, levelText) /2),//x2
BCM_SLIDE_PANEL_OUTER_PADDING + swim_get_font_height(&G_win));//y2
//put new text
swim_set_pen_color(&G_win, YELLOW);
swim_put_text_xy(&G_win, levelText,
(UEZ_LCD_DISPLAY_WIDTH/2) - (swim_get_text_line_width(&G_win, levelText) /2),//x
(BCM_SLIDE_PANEL_OUTER_PADDING));//y
levelPrevious = levelCurrent;
}
}
#endif
}
if (G_ws->iNeedUpdate) {
BCMUpdate(G_ws);
G_ws->iNeedUpdate = EFalse;
}
}
UEZLCDClose(G_ws->iLCD);
}
UEZTSClose(ts, queue);
}
#if ENABLE_UEZ_BUTTON
UEZKeypadClose(keypadDevice, &queue);
#endif
#ifndef NO_DYNAMIC_MEMORY_ALLOC
UEZQueueDelete(queue);
#endif
#if UEZ_ENABLE_LIGHT_SENSOR
(*p)->Close((void *)p);
UEZTaskResume(G_lightSensorTask);
#endif
}
/* <<< WHIS >>> Potential memory leak in FreeRTOS version as G_ws is not
free'd. */
}