/*********************************************************************
*
* LCD_X_DisplayDriver
*
* Purpose:
* This function is called by the display driver for several purposes.
* To support the according task the routine needs to be adapted to
* the display controller. Please note that the commands marked with
* 'optional' are not cogently required and should only be adapted if
* the display controller supports these features.
*
* Parameter:
* LayerIndex - Index of layer to be configured
* Cmd - Please refer to the details in the switch statement below
* pData - Pointer to a LCD_X_DATA structure
*
* Return Value:
* < -1 - Error
* -1 - Command not handled
* 0 - Ok
*/
int LCD_X_DisplayDriver(unsigned LayerIndex, unsigned Cmd, void * pData) {
int r;
LCD_X_SETORG_INFO * pSetOrg;
(void) LayerIndex;
switch (Cmd) {
//
// Required
//
case LCD_X_INITCONTROLLER:
//
// Called during the initialization process in order to set up the
// display controller and put it into operation. If the display
// controller is not initialized by any external routine this needs
// to be adapted by the customer...
//
// ...
_InitController(0);
return 0;
case LCD_X_SETORG:
//
// Required for setting the display origin which is passed in the 'xPos' and 'yPos' element of p
//
pSetOrg = (LCD_X_SETORG_INFO *)pData;
_SetDisplayOrigin(pSetOrg->xPos, pSetOrg->yPos);
return 0;
default:
r = -1;
}
return r;
}
/*********************************************************************
*
* LCD_X_DisplayDriver
*
* Purpose:
* This function is called by the display driver for several purposes.
* To support the according task the routine needs to be adapted to
* the display controller. Please note that the commands marked with
* 'optional' are not cogently required and should only be adapted if
* the display controller supports these features.
*
* Parameter:
* LayerIndex - Index of layer to be configured
* Cmd - Please refer to the details in the switch statement below
* pData - Pointer to a LCD_X_DATA structure
*
* Return Value:
* < -1 - Error
* -1 - Command not handled
* 0 - Ok
*/
int LCD_X_DisplayDriver(unsigned LayerIndex, unsigned Cmd, void * pData) {
int r;
LCD_X_SETORG_INFO * pSetOrg;
(void) LayerIndex;
switch (Cmd) {
//
// Required
//
case LCD_X_INITCONTROLLER:
_InitController(0);
return 0;
case LCD_X_SETORG:
pSetOrg = (LCD_X_SETORG_INFO *)pData;
_SetDisplayOrigin(pSetOrg->xPos, pSetOrg->yPos);
return 0;
default:
r = -1;
}
return r;
}
