/**
* @brief Read the coordinate of the point touched and assign their
* value to the variables u32_TSXCoordinate and u32_TSYCoordinate
* @param None
* @retval None
*/
void TSC_Read(void)
{
#if TOUCH_SCREEN_CAPABILITY
TSC_Value_X = 0x00;
TSC_Value_Y = 0x00;
if((I2C_ReadDeviceRegister(pTscHwParam.TSC_DeviceRegister, GL_TSC_CTRL) & 0x80))
{
GL_Delay(TOUCH_DELAY);
/* Stop touchscreen controller */
I2C_WriteDeviceRegister(pTscHwParam.TSC_DeviceRegister, GL_TSC_CTRL, 0x00);
TSC_Value_X = I2C_ReadDataBuffer(pTscHwParam.TSC_DeviceRegister, GL_TSC_DATA_Y);
TSC_Value_Y = I2C_ReadDataBuffer(pTscHwParam.TSC_DeviceRegister, GL_TSC_DATA_X);
I2C_ReadDataBuffer(pTscHwParam.TSC_DeviceRegister, GL_TSC_DATA_Z);
u32_TSXCoordinate = getDisplayCoordinateX( TSC_Value_X, TSC_Value_Y );
u32_TSYCoordinate = getDisplayCoordinateY( TSC_Value_X, TSC_Value_Y );
touch_done = 1;
/* Clear the interrupt pending bit and enable the FIFO again */
I2C_WriteDeviceRegister(pTscHwParam.TSC_DeviceRegister, GL_FIFO_CTRL_STA, 0x01);
I2C_WriteDeviceRegister(pTscHwParam.TSC_DeviceRegister, GL_INT_STA, IOE_TS_IT);
I2C_WriteDeviceRegister(pTscHwParam.TSC_DeviceRegister, GL_FIFO_CTRL_STA, 0x00);
GL_Delay(0x02);
/* Enable touchscreen controller */
I2C_WriteDeviceRegister(pTscHwParam.TSC_DeviceRegister, GL_TSC_CTRL, 0x01);
GL_Delay(0x05);
/* check if the FIFO is not empty */
if(I2C_ReadDeviceRegister(pTscHwParam.TSC_DeviceRegister, GL_FIFO_CTRL_STA) != 0x20)
{
/* Flush the FIFO */
I2C_WriteDeviceRegister(pTscHwParam.TSC_DeviceRegister, GL_FIFO_CTRL_STA, 0x01);
I2C_WriteDeviceRegister(pTscHwParam.TSC_DeviceRegister, GL_FIFO_CTRL_STA, 0x00);
}
}
else
{
GL_Delay(1);
}
#endif
}
void TSC_Read(void)
{
#if TOUCH_SCREEN_CAPABILITY
if (TP_IRQ != SET)
{
TSC_Value_X = 0x00;
TSC_Value_Y = 0x00;
TP_GetAdXY(&TSC_Value_X, &TSC_Value_Y);
u32_TSXCoordinate = getDisplayCoordinateX( TSC_Value_X, TSC_Value_Y );
u32_TSYCoordinate = getDisplayCoordinateY( TSC_Value_X, TSC_Value_Y );
touch_done = 1;
}
#endif
}
