/**
* @brief Touchscreen Demo
* @param None
* @retval None
*/
void Touchscreen_demo (void)
{
uint8_t status = 0;
uint16_t x,y;
uint8_t state = 0;
if(stmpe811_ts_drv.ReadID(TS_I2C_ADDRESS) == STMPE811_ID)
{
if(IsCalibrationDone() == 0)
{
Touchscreen_Calibration();
}
}
Touchscreen_SetHint();
status = BSP_TS_Init(BSP_LCD_GetXSize(), BSP_LCD_GetYSize());
if (status != TS_OK)
{
BSP_LCD_SetBackColor(LCD_COLOR_WHITE);
BSP_LCD_SetTextColor(LCD_COLOR_RED);
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize()- 95, (uint8_t *)"ERROR", CENTER_MODE);
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize()- 80, (uint8_t *)"Touchscreen cannot be initialized", CENTER_MODE);
}
else
{
Touchscreen_DrawBackground(state);
}
while (1)
{
if (status == TS_OK)
{
BSP_TS_GetState(&TS_State);
if(stmpe811_ts_drv.ReadID(TS_I2C_ADDRESS) == STMPE811_ID)
{
x = Calibration_GetX(TS_State.x);
y = Calibration_GetY(TS_State.y);
}
else
{
x = TS_State.x;
y = TS_State.y;
}
if((TS_State.TouchDetected) &&
(y > (CIRCLE_YPOS(1) - CIRCLE_RADIUS))&&
(y < (CIRCLE_YPOS(1) + CIRCLE_RADIUS)))
{
if((x > (CIRCLE_XPOS(1) - CIRCLE_RADIUS))&&
(x < (CIRCLE_XPOS(1) + CIRCLE_RADIUS)))
{
if((state & 1) == 0)
{
Touchscreen_DrawBackground(state);
BSP_LCD_SetTextColor(LCD_COLOR_BLUE);
BSP_LCD_FillCircle(CIRCLE_XPOS(1), CIRCLE_YPOS(1), CIRCLE_RADIUS);
state = 1;
}
}
if((x > (CIRCLE_XPOS(2) - CIRCLE_RADIUS))&&
(x < (CIRCLE_XPOS(2) + CIRCLE_RADIUS)))
{
if((state & 2) == 0)
{
Touchscreen_DrawBackground(state);
BSP_LCD_SetTextColor(LCD_COLOR_RED);
BSP_LCD_FillCircle(CIRCLE_XPOS(2), CIRCLE_YPOS(2), CIRCLE_RADIUS);
state = 2;
}
}
if((x > (CIRCLE_XPOS(3) - CIRCLE_RADIUS))&&
(x < (CIRCLE_XPOS(3) + CIRCLE_RADIUS)))
{
if((state & 4) == 0)
{
Touchscreen_DrawBackground(state);
BSP_LCD_SetTextColor(LCD_COLOR_YELLOW);
BSP_LCD_FillCircle(CIRCLE_XPOS(3), CIRCLE_YPOS(3), CIRCLE_RADIUS);
state = 4;
}
}
if((x > (CIRCLE_XPOS(4) - CIRCLE_RADIUS))&&
(x < (CIRCLE_XPOS(4) + CIRCLE_RADIUS)))
{
if((state & 8) == 0)
{
Touchscreen_DrawBackground(state);
BSP_LCD_SetTextColor(LCD_COLOR_GREEN);
BSP_LCD_FillCircle(CIRCLE_XPOS(4), CIRCLE_YPOS(3), CIRCLE_RADIUS);
state = 8;
}
}
}
}
if(CheckForUserInput() > 0)
{
return;
}
HAL_Delay(10);
}
}
/**
* @brief Touchscreen Demo
* @param None
* @retval None
*/
void Touchscreen_demo (void)
{
uint8_t status = 0;
uint16_t x, y;
uint8_t state = 0;
uint8_t text[30];
uint8_t radius;
uint8_t radius_previous = 0;
Touchscreen_SetHint();
status = BSP_TS_Init(BSP_LCD_GetXSize(), BSP_LCD_GetYSize());
if (status != TS_OK)
{
BSP_LCD_SetBackColor(LCD_COLOR_WHITE);
BSP_LCD_SetTextColor(LCD_COLOR_RED);
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - 95, (uint8_t *)"ERROR", CENTER_MODE);
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - 80, (uint8_t *)"Touchscreen cannot be initialized", CENTER_MODE);
}
else
{
Touchscreen_DrawBackground(state);
}
while (1)
{
if (status == TS_OK)
{
/* Check in polling mode in touch screen the touch status and coordinates */
/* if touch occurred */
BSP_TS_GetState(&TS_State);
if(TS_State.touchDetected)
{
/* Get X and Y position of the touch post calibrated */
x = TS_State.touchX[0];
y = TS_State.touchY[0];
BSP_LCD_SetBackColor(LCD_COLOR_WHITE);
BSP_LCD_SetTextColor(LCD_COLOR_BLACK);
sprintf((char*)text, "Nb touch detected = %d", TS_State.touchDetected);
BSP_LCD_DisplayStringAt(15, BSP_LCD_GetYSize() - 40, (uint8_t *)&text, LEFT_MODE);
/* Display 1st touch detected coordinates */
sprintf((char*)text, "1[%d,%d] ", x, y);
BSP_LCD_DisplayStringAt(15,
BSP_LCD_GetYSize() - 25,
(uint8_t *)&text,
LEFT_MODE);
if (TS_State.touchDetected >= 2) /* Display 2nd touch detected coordinates if applicable */
{
sprintf((char*)text, "2[%d,%d] ", TS_State.touchX[1], TS_State.touchY[1]);
}
else
{
sprintf((char*)text, " ");
}
BSP_LCD_DisplayStringAt((((BSP_LCD_GetXSize() - 30) * 1) / 5) + 15,
BSP_LCD_GetYSize() - 25,
(uint8_t *)&text,
LEFT_MODE);
if (TS_State.touchDetected >= 3) /* Display 3rd touch detected coordinates if applicable */
{
sprintf((char*)text, "3[%d,%d] ", TS_State.touchX[2], TS_State.touchY[2]);
}
else
{
sprintf((char*)text, " ");
}
BSP_LCD_DisplayStringAt((((BSP_LCD_GetXSize() - 30) * 2) / 5) + 15,
BSP_LCD_GetYSize() - 25,
(uint8_t *)&text,
LEFT_MODE);
if (TS_State.touchDetected >= 4) /* Display 4th touch detected coordinates if applicable */
{
sprintf((char*)text, "4[%d,%d] ", TS_State.touchX[3], TS_State.touchY[3]);
}
else
{
sprintf((char*)text, " ");
}
BSP_LCD_DisplayStringAt((((BSP_LCD_GetXSize() - 30) * 3) / 5) + 15,
BSP_LCD_GetYSize() - 25,
(uint8_t *)&text,
LEFT_MODE);
if (TS_State.touchDetected >= 5) /* Display 5th touch detected coordinates if applicable */
{
sprintf((char*)text, "5[%d,%d] ", TS_State.touchX[4], TS_State.touchY[4]);
}
else
{
sprintf((char*)text, " ");
}
BSP_LCD_DisplayStringAt((((BSP_LCD_GetXSize() - 30) * 4) / 5) + 15,
BSP_LCD_GetYSize() - 25,
(uint8_t *)&text,
LEFT_MODE);
/* Calculate circle radius to fill according to finger pressure applied on screen (weight) */
radius = TS_State.touchWeight[0]/3;
if (radius > CIRCLE_RADIUS)
{
radius = CIRCLE_RADIUS;
}
else if (radius < 1)
{
radius = 1;
}
if ((y > (CIRCLE_YPOS(1) - CIRCLE_RADIUS)) &&
(y < (CIRCLE_YPOS(1) + CIRCLE_RADIUS)))
{
if ((x > (CIRCLE_XPOS(1) - CIRCLE_RADIUS)) &&
(x < (CIRCLE_XPOS(1) + CIRCLE_RADIUS)))
{
if ((radius != radius_previous) || (state != 1))
{
if (state != 1) /* Erase previous filled circle */
{
Touchscreen_DrawBackground(state);
}
BSP_LCD_SetTextColor(LCD_COLOR_BLUE);
BSP_LCD_FillCircle(CIRCLE_XPOS(1), CIRCLE_YPOS(1), radius);
radius_previous = radius;
state = 1;
}
}
if ((x > (CIRCLE_XPOS(2) - CIRCLE_RADIUS)) &&
(x < (CIRCLE_XPOS(2) + CIRCLE_RADIUS)))
{
if ((radius != radius_previous) || (state != 2))
{
if (state != 2) /* Erase previous filled circle */
{
Touchscreen_DrawBackground(state);
}
BSP_LCD_SetTextColor(LCD_COLOR_RED);
BSP_LCD_FillCircle(CIRCLE_XPOS(2), CIRCLE_YPOS(2), radius);
radius_previous = radius;
state = 2;
}
}
if ((x > (CIRCLE_XPOS(3) - CIRCLE_RADIUS)) &&
(x < (CIRCLE_XPOS(3) + CIRCLE_RADIUS)))
{
if ((radius != radius_previous) || (state != 4))
{
if (state != 4) /* Erase previous filled circle */
{
Touchscreen_DrawBackground(state);
}
BSP_LCD_SetTextColor(LCD_COLOR_YELLOW);
BSP_LCD_FillCircle(CIRCLE_XPOS(3), CIRCLE_YPOS(3), radius);
radius_previous = radius;
state = 4;
}
}
if ((x > (CIRCLE_XPOS(4) - CIRCLE_RADIUS)) &&
(x < (CIRCLE_XPOS(4) + CIRCLE_RADIUS)))
{
if ((radius != radius_previous) || (state != 8))
{
if (state != 8) /* Erase previous filled circle */
{
Touchscreen_DrawBackground(state);
}
BSP_LCD_SetTextColor(LCD_COLOR_GREEN);
BSP_LCD_FillCircle(CIRCLE_XPOS(4), CIRCLE_YPOS(3), radius);
radius_previous = radius;
state = 8;
}
}
}
} /* of if(TS_State.touchDetected) */
}
if (CheckForUserInput() > 0)
{
return;
}
HAL_Delay(10);
}
}