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Zephyr project on STM32

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Touch support after screen rotation F429

Hey,

I try to run the VSREEN_Sample of Segger on the STM32F429Disc1.
So i managed to rotate the screen to landscape and the demo is displaying right. But now I have no touc support anymore.

If I only print a Messagebox I can push the button on another position of the display. So I think the calculatet positions are wrong.

Do you have any helpt?

Thanks :-)


Hey,

I swapped X and Y in the driver. But it does not solved the problem.


Tunisia

I have developped a small code testing this : not clean but works for me ;)

intialization
BSP_TS_Init(320, 240); // instead of 240, 320

stm32f429i_discovery_ts.c
/**
  * @brief  Returns status and positions of the touch screen.
  * @param  TsState: Pointer to touch screen current state structure
  */
void BSP_TS_GetState(TS_StateTypeDef* TsState)
{
  static uint32_t _x = 0, _y = 0;
  uint16_t xDiff, yDiff , x , y, xr, yr;
  
  TsState->TouchDetected = TsDrv->DetectTouch(TS_I2C_ADDRESS);
  
  if(TsState->TouchDetected)
  {
    TsDrv->GetXY(TS_I2C_ADDRESS, &y, &x);//instead of &x, &y
    
    // ......
}

Thanks for your help.

I am working with the driver delivered by ST. I can switch the variables for x and y. In your example you can define how much pixel the touch screen have. In the driver I can not find such a definition.


 

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