/*---------------------------------------------------------------------------*
* Routine: Serial_GenericHalfDuplex_Write
*---------------------------------------------------------------------------*
* Description:
* Write data out the serial port or timeout trying. If a timeout,
* the number of bytes written is reported.
* Inputs:
* void *aWorkspace -- This serial GenericHalfDuplex workspace
* TUInt8 *aData -- Data to send
* TUInt32 aNumBytes -- Number of bytes to read.
* TUInt32 *aNumBytesWritten -- Number of bytes actually written. If
* timeout occurs, this value is less than
* aNumBytes.
* Outputs:
* T_uezError -- Error code. UEZ_ERROR_TIMEOUT is returned
* if timeout occurs trying to write
* the full amount and not enough room was
* available. UEZ_ERROR_NONE is reported if
* all data is written.
*---------------------------------------------------------------------------*/
T_uezError Serial_GenericHalfDuplex_Write(
void *aWorkspace,
TUInt8 *aData,
TUInt32 aNumBytes,
TUInt32 *aNumBytesWritten,
TUInt32 aTimeout)
{
// Decrement use count. Are we done?
T_Serial_GenericHalfDuplex_Workspace *p = (T_Serial_GenericHalfDuplex_Workspace *)aWorkspace;
T_uezError error = UEZ_ERROR_NONE;
TUInt32 i;
for (i=0; i<aNumBytes; i++) {
// Send bytes one at a time
UEZSemaphoreGrab(p->iSem, UEZ_TIMEOUT_INFINITE);
// Don't let interrupts occur while we do this one
(*p->iSerial)->Deactivate((T_halWorkspace *)p->iSerial);
// Are we currently busy sending data?
if (p->iTxBusy) {
// Yes, busy, stuff another byte into the end of the queue
error = UEZQueueSend(p->iQueueSend, aData, aTimeout);
} else {
// Transmit is not busy yet. But we're about to be
// Start driving again
if (p->iDriveEnablePort) {
if (p->iDriveEnablePolarity) {
(*p->iDriveEnablePort)->Set(p->iDriveEnablePort, p->iDriveEnablePin);
} else {
(*p->iDriveEnablePort)->Clear(p->iDriveEnablePort, p->iDriveEnablePin);
}
}
// Declare transmit busy
p->iTxBusy = ETrue;
UEZSemaphoreGrab(p->iSemEmpty, 0);
p->iDidOutput = ETrue;
error = (*p->iSerial)->OutputByte((T_halWorkspace *)p->iSerial, *aData);
}
(*p->iSerial)->Activate((T_halWorkspace *)p->iSerial);
UEZSemaphoreRelease(p->iSem);
// Report any errors up to this point
if (error)
break;
// Next byte
aData++;
}
// Report how many bytes we did get
if (aNumBytesWritten)
*aNumBytesWritten = i;
// Report final error
return error;
}
/*---------------------------------------------------------------------------*/
static TBool IHandleForward(WM_MESSAGE * pMsg, int aNCode, int aID)
{
T_ImageMessage message;
TUInt32 *tempPointer;
if (aNCode == WM_NOTIFICATION_RELEASED) {
UEZSemaphoreGrab(G_LoadingSemaphore, UEZ_TIMEOUT_INFINITE);
tempPointer = G_PreviousImage;
G_PreviousImage = G_CurrentImage;
G_CurrentImage = G_NextImage;
G_NextImage = tempPointer;
if (G_CurrentImage_Number < G_NumImagesOnCard){
G_CurrentImage_Number++;
} else {
G_CurrentImage_Number = 1;
}
UEZSemaphoreRelease(G_LoadingSemaphore);
message = IMAGE_ADVANCED;
UEZQueueSend(G_ImageLoadQueue,
(void*)&message,
50);
WM_InvalidateWindow(pMsg->hWin);
IHideButtonsAndText(pMsg);
}
return EFalse;
}
/*-------------------------------------------------------------------------*
* Function: GenericBulkBulkOut
*-------------------------------------------------------------------------*
* Description:
* Bulk virtual comm data has come out of the PC. This data
* is put into the fifo.
* Inputs:
* TUInt8 aEndpoint -- Endpoint with interrupt
* T_USBEndpointStatus aStatus -- Current status of this endpoint
*-------------------------------------------------------------------------*/
void GenericBulkBulkOut(
void *aWorkspace,
TUInt8 aEndpoint,
T_USBEndpointStatus aStatus)
{
TInt16 i, length;
PARAM_NOT_USED(aWorkspace);
PARAM_NOT_USED(aStatus);
// Read data from endpoint
length = (*G_ghDevice)->Read(
G_ghDevice,
aEndpoint,
G_GenBulkBuffer,
sizeof(G_GenBulkBuffer));
if (length) {
// Store all data until we are full.
// TBD: If the PC keeps sending us data and our
// buffer is full, we currently have no handshaking
// to handle overflow.
for (i=1; i<=G_GenBulkBuffer[0]; i++) {
// Put in the queue one character at time quickly, until full.
if (UEZQueueSend(G_GenBulkFifoIn, &G_GenBulkBuffer[i], 0) != UEZ_ERROR_NONE)
break;
}
}
// Setup a response
GenericBulkBulkIn(aWorkspace, USB_ENDPOINT_ADDRESS(1, USB_ENDPOINT_ADDRESS_DIR_IN), aStatus);
}
/*-------------------------------------------------------------------------*
* Function: GenericBulkPut
*-------------------------------------------------------------------------*
* Description:
* Send a character out the virtual comm driver.
* If no room is available in buffer, returns EFalse. Otherwise, it
* returns ETrue
* Inputs:
* TUInt8 c -- Character sent
* TUInt32 aTimeout -- Time to wait for character to go out
* Outputs:
* TBool -- ETrue if sent, else EFalse
*-------------------------------------------------------------------------*/
TBool GenericBulkPut(TUInt8 c, TUInt32 aTimeout)
{
// Try to stuff in the data, but don't block
T_uezError error = UEZQueueSend(G_GenBulkFifoOut, &c, aTimeout);
if (error == UEZ_ERROR_NONE) {
return ETrue;
}
return EFalse;
}
TBool TestModeSendCmd(TUInt32 aCmd)
{
// Go into test mode (if not already running)
G_mmTestMode = ETrue;
while (!G_mmTestModeRunning) {
UEZTaskDelay(10);
}
// Check if we are running and send command
if (G_mmTestModeRunning) {
if (UEZQueueSend(G_mmTestModeQueue, &aCmd, UEZ_TIMEOUT_INFINITE) != UEZ_ERROR_NONE)
return EFalse;
return ETrue;
}
return EFalse;
}
/*---------------------------------------------------------------------------*/
static void IUEZTSMonitorTouchscreensTask(T_uezTask aMyTask, void *aParams)
{
T_tsDevice *p;
T_tsQueue *pq;
T_uezTSReading reading;
T_uezInputEvent inputEvent;
for (;;) {
IUEZTSGrab();
p = G_tsDevices;
while (p) {
if (UEZTSGetReading(p->iDevice, &reading) == UEZ_ERROR_NONE) {
if(reading.iFlags & TSFLAG_PEN_DOWN) {
UEZLCDScreensaverWake();
if(UEZLCDScreensaverIsActive())
G_WaitForRelease = ETrue;
}
if(G_WaitForRelease) {
if(!(reading.iFlags & TSFLAG_PEN_DOWN)) {
// if the pen is released, stop waiting
G_WaitForRelease = EFalse;
}
} else {
// Apply the reading to all the queues (as last reported)
for (pq = p->iQueueList; pq; pq=pq->iNext) {
// Send it on the queue.
inputEvent = IConvertTSReadingToInputEvent(&reading);
UEZQueueSend(pq->iQueue, &inputEvent, 0);
}
}
}
p = p->iNext;
}
IUEZTSRelease();
UEZTaskDelay(10);
}
}
/*---------------------------------------------------------------------------*
* Routine: _PFMainDialog
*---------------------------------------------------------------------------*
* Description:
* Callback function used by emWin to process events.
* Inputs:
* WM_MESSAGE *pMsg -- message structure for current dialog.
*---------------------------------------------------------------------------*/
static void _PFMainDialog(WM_MESSAGE *pMsg)
{
int Id, NCode;
WM_HWIN hItem;
GUI_PID_STATE *p_touchState;
T_ImageMessage message;
switch (pMsg->MsgId){
case WM_INIT_DIALOG:
Id = WM_GetId(pMsg->hWinSrc);
NCode = pMsg->Data.v;
LAFSetup(pMsg->hWin, ID_WINDOW, PFMainLayout);
hItem = WM_GetDialogItem(pMsg->hWin, ID_REVERSE_BUTTON);
BUTTON_SetBitmap(hItem, BUTTON_BI_UNPRESSED, &REVERSE_BUTTON);
BUTTON_SetBitmap(hItem, BUTTON_BI_PRESSED, &REVERSE_BUTTON);
BUTTON_SetBitmap(hItem, BUTTON_BI_DISABLED, &REVERSE_BUTTON);
hItem = WM_GetDialogItem(pMsg->hWin, ID_PLAY_PAUSE_BUTTON);
BUTTON_SetBitmap(hItem, BUTTON_BI_UNPRESSED, &PLAY_BUTTON);
BUTTON_SetBitmap(hItem, BUTTON_BI_PRESSED, &PLAY_BUTTON);
BUTTON_SetBitmap(hItem, BUTTON_BI_DISABLED, &PLAY_BUTTON);
hItem = WM_GetDialogItem(pMsg->hWin, ID_FORWARD_BUTTON);
BUTTON_SetBitmap(hItem, BUTTON_BI_UNPRESSED, &FORWARD_BUTTON);
BUTTON_SetBitmap(hItem, BUTTON_BI_PRESSED, &FORWARD_BUTTON);
BUTTON_SetBitmap(hItem, BUTTON_BI_DISABLED, &FORWARD_BUTTON);
hItem = WM_GetDialogItem(pMsg->hWin, ID_SETTINGS_BUTTON);
BUTTON_SetBitmap(hItem, BUTTON_BI_UNPRESSED, &SETTINGS_BUTTON);
BUTTON_SetBitmap(hItem, BUTTON_BI_PRESSED, &SETTINGS_BUTTON);
BUTTON_SetBitmap(hItem, BUTTON_BI_DISABLED, &SETTINGS_BUTTON);
G_OverlayTimer = WM_CreateTimer(pMsg->hWin, ID_OVERLAY_TIMER, OVERLAY_TIMEOUT_MS, 0);
G_UpdateTimer = WM_CreateTimer(pMsg->hWin, ID_UPDATE_TIMER, UPDATE_TIME_MS, 0);
G_PictureChangeTimer = WM_CreateTimer(pMsg->hWin, ID_PICTURECHANGE_TIMER, 0, 0);
if (!G_Current) {
G_Current = GUI_MEMDEV_Create(0, 0,
UEZ_LCD_DISPLAY_WIDTH, UEZ_LCD_DISPLAY_HEIGHT);
GUI_MEMDEV_Select(G_Current);
GUI_BMP_Draw(G_CurrentImage, 0, 0);
GUI_MEMDEV_Select(0);
}
WM_SetHasTrans(pMsg->hWin);
message = IMAGE_INITILIZE;
UEZQueueSend(G_ImageLoadQueue,
(void*)&message,
50);
break;
case WM_NOTIFY_PARENT:
Id = WM_GetId(pMsg->hWinSrc);
NCode = pMsg->Data.v;
if( !LAFHandleEvent(PFMainLayout, pMsg, NCode, Id)){
//Handle special cases here
}
break;
case WM_TIMER:
NCode = pMsg->Data.v;
if (G_Active) {
if (NCode == G_OverlayTimer) {
IHideButtonsAndText(pMsg);
//Grab all the touches
WM_SetCapture(pMsg->hWin, 0);
} else if (NCode == G_PictureChangeTimer) {
//put up new picture
if(G_AutoPlayOn) {
IHandleForward(pMsg, WM_NOTIFICATION_RELEASED, ID_FORWARD_BUTTON);
WM_RestartTimer(G_PictureChangeTimer, 5000);
}
} else if (NCode == G_UpdateTimer) {
IUpdateFields(pMsg);
WM_RestartTimer(G_UpdateTimer, UPDATE_TIME_MS);
}
}
break;
case WM_TOUCH:
p_touchState = (GUI_PID_STATE *)(pMsg->Data.p);
if (!p_touchState->Pressed) {
WM_RestartTimer(G_OverlayTimer, OVERLAY_TIMEOUT_MS);
//Show all the hidden text on buttons
hItem = WM_GetDialogItem(pMsg->hWin, ID_TITLE_TEXT);
WM_ShowWindow(hItem);
hItem = WM_GetDialogItem(pMsg->hWin, ID_SETTINGS_BUTTON);
WM_ShowWindow(hItem);
hItem = WM_GetDialogItem(pMsg->hWin, ID_REVERSE_BUTTON);
WM_ShowWindow(hItem);
hItem = WM_GetDialogItem(pMsg->hWin, ID_PLAY_PAUSE_BUTTON);
WM_ShowWindow(hItem);
hItem = WM_GetDialogItem(pMsg->hWin, ID_FORWARD_BUTTON);
WM_ShowWindow(hItem);
hItem = WM_GetDialogItem(pMsg->hWin, ID_TIMEDATE_TEXT);
WM_ShowWindow(hItem);
WM_ReleaseCapture();
IUpdateFields(pMsg);
}
break;
case WM_POST_PAINT:
GUI_BMP_Draw(G_CurrentImage, 0, 0);
break;
case WM_APP_GAINED_FOCUS:
G_Active = ETrue;
WM_SetCapture(pMsg->hWin, 0);
IHideButtonsAndText(pMsg);
IUpdateFields(pMsg);
break;
case WM_APP_LOST_FOCUS:
G_Active = EFalse;
IHideButtonsAndText(pMsg);
WM_ReleaseCapture();
G_AutoPlayOn = EFalse;
break;
default:
WM_DefaultProc(pMsg);
break;
}
}
/*---------------------------------------------------------------------------*
* Routine: Keypad_NXP_I2C_PCA9555_Monitor
*---------------------------------------------------------------------------*
* Description:
* Setup a task to run and monitor the keypad for presses.
* Inputs:
* T_uezTask aMyTask -- This task
* void *aParameters -- Passed in workspace
*---------------------------------------------------------------------------*/
static void Keypad_NXP_I2C_PCA9555_Monitor(
T_uezTask aMyTask,
void *aParameters)
{
T_Keypad_NXP_I2C_PCA9555_Workspace *p =
(T_Keypad_NXP_I2C_PCA9555_Workspace *)aParameters;
TUInt32 key;
TUInt32 key2;
T_uezInputEvent event;
T_keypadRegistered *p_reg;
PARAM_NOT_USED(aMyTask);
// Sit here and wait for an event
while (1) {
// At this point, the keypad is fully grabbed, so we'll
// wait for a release to occur.
#if KEYPAD_USES_EXTERNAL_IRQ
UEZSemaphoreGrab(p->iReady, UEZ_TIMEOUT_INFINITE);
#else
UEZTaskDelay(50);
#endif
// Process the keypad interrupt
IKeypad_PCA9555_Scan(p, &key);
if (key != KEY_NONE) {
// Don't let others access the keypad while we process
IGrab(p);
// Send it out a press event to everyone
event.iType = INPUT_EVENT_TYPE_BUTTON;
event.iEvent.iButton.iKey = key;
event.iEvent.iButton.iAction = BUTTON_ACTION_PRESS;
for (p_reg = p->iRegisteredQueues; p_reg; p_reg = p_reg->iNext) {
// Send the event, but don't block.
UEZQueueSend(p_reg->iQueue, (void *)&event, 0);
}
// Done, return to our control
IRelease(p);
// Watch the scan waiting for no press every at 10 ms intervals
while (1) {
if (IKeypad_PCA9555_Scan(p, &key2) != UEZ_ERROR_NONE)
break;
if (key2 == KEY_NONE)
break;
UEZTaskDelay(10);
}
// Don't let others access the keypad while we process
IGrab(p);
// Finally, no button is pressed
// Send out a press release to everyone
event.iType = INPUT_EVENT_TYPE_BUTTON;
event.iEvent.iButton.iKey = key;
event.iEvent.iButton.iAction = BUTTON_ACTION_RELEASE;
for (p_reg = p->iRegisteredQueues; p_reg; p_reg = p_reg->iNext) {
// Send the event, but don't block.
UEZQueueSend(p_reg->iQueue, (void *)&event, 0);
}
#if KEYPAD_USES_EXTERNAL_IRQ
// Turn back on the external interrupts
(*p->iEINT)->Clear(p->iEINT, KEYPAD_EINT2_CHANNEL);
#endif
// Done, return to our control
IRelease(p);
}
}
}
