/**
* @brief Touchscreen Demo1 : test touchscreen calibration and single touch in polling mode
* @param None
* @retval None
*/
void Touchscreen_demo1(void)
{
uint16_t x1, y1;
uint8_t state = 0;
uint8_t exitTsUseCase = 0;
uint32_t ts_status = TS_OK;
/* Reset touch data information */
BSP_TEST_APPLI_ASSERT(BSP_TS_ResetTouchData(&TS_State));
/* If calibration is not yet done, proceed with calibration */
if (TouchScreen_IsCalibrationDone() == 0)
{
ts_status = Touchscreen_Calibration();
if (ts_status == TS_OK)
{
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - 65, (uint8_t *) "Touchscreen calibration success.", CENTER_MODE);
}
} /* of if (TouchScreen_IsCalibrationDone() == 0) */
if(ts_status == TS_OK)
{
/* Display touch screen demo description */
Touchscreen_SetHint_Demo(TOUCHSCREEN_DEMO_1);
Touchscreen_DrawBackground_Demo1(state);
while (exitTsUseCase == 0)
{
if (ts_status == TS_OK)
{
/* Check in polling mode in touch screen the touch status and coordinates */
/* of touches if touch occurred */
ts_status = BSP_TS_GetState(&TS_State);
if(TS_State.touchDetected)
{
/* One or dual touch have been detected */
/* Only take into account the first touch so far */
/* Get X and Y position of the first touch post calibrated */
x1 = TouchScreen_Get_Calibrated_X(TS_State.touchX[0]);
y1 = TouchScreen_Get_Calibrated_Y(TS_State.touchY[0]);
if ((y1 > (CIRCLE_YPOS(1) - CIRCLE_RADIUS)) &&
(y1 < (CIRCLE_YPOS(1) + CIRCLE_RADIUS)))
{
if ((x1 > (CIRCLE_XPOS(1) - CIRCLE_RADIUS)) &&
(x1 < (CIRCLE_XPOS(1) + CIRCLE_RADIUS)))
{
if ((state & 1) == 0)
{
Touchscreen_DrawBackground_Demo1(state);
BSP_LCD_SetTextColor(LCD_COLOR_BLUE);
BSP_LCD_FillCircle(CIRCLE_XPOS(1), CIRCLE_YPOS(1), CIRCLE_RADIUS);
state = 1;
}
}
if ((x1 > (CIRCLE_XPOS(2) - CIRCLE_RADIUS)) &&
(x1 < (CIRCLE_XPOS(2) + CIRCLE_RADIUS)))
{
if ((state & 2) == 0)
{
Touchscreen_DrawBackground_Demo1(state);
BSP_LCD_SetTextColor(LCD_COLOR_RED);
BSP_LCD_FillCircle(CIRCLE_XPOS(2), CIRCLE_YPOS(2), CIRCLE_RADIUS);
state = 2;
}
}
if ((x1 > (CIRCLE_XPOS(3) - CIRCLE_RADIUS)) &&
(x1 < (CIRCLE_XPOS(3) + CIRCLE_RADIUS)))
{
if ((state & 4) == 0)
{
Touchscreen_DrawBackground_Demo1(state);
BSP_LCD_SetTextColor(LCD_COLOR_YELLOW);
BSP_LCD_FillCircle(CIRCLE_XPOS(3), CIRCLE_YPOS(3), CIRCLE_RADIUS);
state = 4;
}
}
if ((x1 > (CIRCLE_XPOS(4) - CIRCLE_RADIUS)) &&
(x1 < (CIRCLE_XPOS(4) + CIRCLE_RADIUS)))
{
if ((state & 8) == 0)
{
Touchscreen_DrawBackground_Demo1(state);
BSP_LCD_SetTextColor(LCD_COLOR_GREEN);
BSP_LCD_FillCircle(CIRCLE_XPOS(4), CIRCLE_YPOS(3), CIRCLE_RADIUS);
state = 8;
}
}
}
} /* of if(TS_State.TouchDetected) */
} /* of if (ts_status == TS_OK) */
/* Wait for a key button press to switch to next test case of BSP validation application */
/* Otherwise stay in the test */
exitTsUseCase = CheckForUserInput();
HAL_Delay(20);
} /* of while (exitTsUseCase == 0) */
} /* of if(status == TS_OK) */
}
/**
* @brief Configures and gets Touch screen position.
* @param None
* @retval None
*/
static void GetPosition(void)
{
static uint32_t color_width;
static uint32_t color;
uint16_t x, y;
color_width = 35;
/* Get Touch screen position */
BSP_TS_GetState(&TS_State);
if(TS_State.touchDetected)
{
/* A touch occured, read the touch coordinates */
/* Get X and Y position of the first touch post calibrated */
x = TouchScreen_Get_Calibrated_X(TS_State.touchX[0]);
y = TouchScreen_Get_Calibrated_Y(TS_State.touchY[0]);
if((x > (90 + Radius)) & (y > (7 + Radius) ) & ( x < (BSP_LCD_GetXSize() - (7 + Radius ))) & (y < (BSP_LCD_GetYSize() - (95 + Radius ))))
{
BSP_LCD_FillCircle((x), (y), Radius);
}
else if((x > 0 ) & ( x < 90 ))
{
if((y > 0 ) & (y < color_width ))
{
BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
Update_Size(Radius);
}
else if((y > color_width ) & (y < (2 * color_width)))
{
BSP_LCD_SetTextColor(LCD_COLOR_YELLOW);
Update_Size(Radius);
}
else if((y > (2 * color_width)) & (y < (3 * color_width)))
{
BSP_LCD_SetTextColor(LCD_COLOR_ORANGE);
Update_Size(Radius);
}
else if((y > (3 * color_width)) & (y < (4 * color_width)))
{
BSP_LCD_SetTextColor(LCD_COLOR_LIGHTMAGENTA);
Update_Size(Radius);
}
else if((y > (4 * color_width)) & (y < (5 * color_width)))
{
BSP_LCD_SetTextColor(LCD_COLOR_DARKGREEN);
Update_Size(Radius);
}
else if((y > (5 * color_width)) &(y < (6 * color_width)))
{
BSP_LCD_SetTextColor(LCD_COLOR_GREEN);
Update_Size(Radius);
}
else if((y > (6 * color_width)) &(y < (7 * color_width)))
{
BSP_LCD_SetTextColor(LCD_COLOR_BROWN);
Update_Size(Radius);
}
else if((y > (7 * color_width)) & (y < (8 * color_width)))
{
BSP_LCD_SetTextColor(LCD_COLOR_RED);
Update_Size(Radius);
}
else if((y > (8 * color_width)) & (y < (9 * color_width)))
{
BSP_LCD_SetTextColor(LCD_COLOR_DARKMAGENTA);
Update_Size(Radius);
}
else if((y > (9 * color_width)) & (y < (10 * color_width)))
{
BSP_LCD_SetTextColor(LCD_COLOR_CYAN);
Update_Size(Radius);
}
else if((y > (10 * color_width)) & (y < (11 * color_width)))
{
BSP_LCD_SetTextColor(LCD_COLOR_DARKBLUE);
Update_Size(Radius);
}
else if((y > (11 * color_width)) & (y < (12 * color_width)))
{
BSP_LCD_SetTextColor(LCD_COLOR_BLACK);
Update_Size(Radius);
}
else if((y > (12 * color_width)) & (y < (14 * color_width)))
{
/* Get the current text color */
color = BSP_LCD_GetTextColor();
BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
/* Clear the working window */
BSP_LCD_FillRect(97, 8, 694, 374);
BSP_LCD_SetTextColor(color);
}
else
{
x = 0;
y = 0;
}
Update_Color();
}
else if((x > 100) & (y > (BSP_LCD_GetYSize() - 90)) & (y < (BSP_LCD_GetYSize()) ) & ( x < 170))
{
Radius = 15;
Update_Size(Radius);
}
else if((x > 170) & (y > (BSP_LCD_GetYSize() - 90)) & (y < (BSP_LCD_GetYSize()) ) & ( x < 240))
{
Radius = 10;
Update_Size(Radius);
}
else if((x > 240) & (y > (BSP_LCD_GetYSize() - 90)) & (y < (BSP_LCD_GetYSize()) ) & ( x < 310))
{
Radius = 5;
Update_Size(Radius);
}
else if(((x > (BSP_LCD_GetXSize()-5) ) & (y > (14 * color_width)) & (y < (15 * color_width))) | ((x < 90) & (y < 5)))
{
TS_State.touchX[0] = 0;
TS_State.touchY[0] = 0;
}
else if((x > 320) & (y > (BSP_LCD_GetYSize() - 90)) & (x < 410) & (y < BSP_LCD_GetYSize() - 5))
{
Save_Picture();
}
}
}
/**
* @brief Touchscreen_Handle_NewTouch: factorization of touch management
* @param None
* @retval TS_OK or TS_ERROR
*/
static uint32_t Touchscreen_Handle_NewTouch(void)
{
#define TS_MULTITOUCH_FOOTPRINT_CIRCLE_RADIUS 15
#define TOUCH_INFO_STRING_SIZE 70
uint16_t x1 = 0;
uint16_t y1 = 0;
uint16_t x2 = 0;
uint16_t y2 = 0;
uint32_t drawTouch1 = 0; /* activate/deactivate draw of footprint of touch 1 */
uint32_t drawTouch2 = 0; /* activate/deactivate draw of footprint of touch 2 */
uint32_t colors[24] = {LCD_COLOR_BLUE, LCD_COLOR_GREEN, LCD_COLOR_RED, LCD_COLOR_CYAN, LCD_COLOR_MAGENTA, LCD_COLOR_YELLOW,
LCD_COLOR_LIGHTBLUE, LCD_COLOR_LIGHTGREEN, LCD_COLOR_LIGHTRED, LCD_COLOR_LIGHTCYAN, LCD_COLOR_LIGHTMAGENTA,
LCD_COLOR_LIGHTYELLOW, LCD_COLOR_DARKBLUE, LCD_COLOR_DARKGREEN, LCD_COLOR_DARKRED, LCD_COLOR_DARKCYAN,
LCD_COLOR_DARKMAGENTA, LCD_COLOR_DARKYELLOW, LCD_COLOR_LIGHTGRAY, LCD_COLOR_GRAY, LCD_COLOR_DARKGRAY,
LCD_COLOR_BLACK, LCD_COLOR_BROWN, LCD_COLOR_ORANGE };
uint32_t ts_status = TS_OK;
uint8_t lcd_string[TOUCH_INFO_STRING_SIZE] = "";
/* Check in polling mode in touch screen the touch status and coordinates */
/* of touches if touch occurred */
ts_status = BSP_TS_GetState(&TS_State);
if(TS_State.touchDetected)
{
/* One or dual touch have been detected */
/* Erase previous information on touchscreen play pad area */
BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
BSP_LCD_FillRect(0, 80, BSP_LCD_GetXSize(), BSP_LCD_GetYSize() - 160);
/* Re-Draw touch screen play area on LCD */
BSP_LCD_SetTextColor(LCD_COLOR_BLUE);
BSP_LCD_DrawRect(10, 90, BSP_LCD_GetXSize() - 20, BSP_LCD_GetYSize() - 180);
BSP_LCD_DrawRect(11, 91, BSP_LCD_GetXSize() - 22, BSP_LCD_GetYSize() - 182);
/* Erase previous information on bottom text bar */
BSP_LCD_FillRect(0, BSP_LCD_GetYSize() - 80, BSP_LCD_GetXSize(), 80);
/* Desactivate drawing footprint of touch 1 and touch 2 until validated against boundaries of touch pad values */
drawTouch1 = drawTouch2 = 0;
/* Get X and Y position of the first touch post calibrated */
x1 = TouchScreen_Get_Calibrated_X(TS_State.touchX[0]);
y1 = TouchScreen_Get_Calibrated_Y(TS_State.touchY[0]);
if((y1 > (90 + TS_MULTITOUCH_FOOTPRINT_CIRCLE_RADIUS)) &&
(y1 < (BSP_LCD_GetYSize() - 90 - TS_MULTITOUCH_FOOTPRINT_CIRCLE_RADIUS)))
{
drawTouch1 = 1;
}
/* If valid touch 1 position : inside the reserved area for the use case : draw the touch */
if(drawTouch1 == 1)
{
/* Draw circle of first touch : turn on colors[] table */
BSP_LCD_SetTextColor(colors[(touchscreen_color_idx++ % 24)]);
BSP_LCD_FillCircle(x1, y1, TS_MULTITOUCH_FOOTPRINT_CIRCLE_RADIUS);
BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
BSP_LCD_SetFont(&Font16);
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - 70, (uint8_t *)"TOUCH INFO : ", CENTER_MODE);
BSP_LCD_SetFont(&Font12);
sprintf((char*)lcd_string, "x1 = %d, y1 = %d, Event = %s, Weight = %d",
x1,
y1,
ts_event_string_tab[TS_State.touchEventId[0]],
TS_State.touchWeight[0]);
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - 45, lcd_string, CENTER_MODE);
} /* of if(drawTouch1 == 1) */
if(TS_State.touchDetected > 1)
{
/* Get X and Y position of the second touch post calibrated */
x2 = TouchScreen_Get_Calibrated_X(TS_State.touchX[1]);
y2 = TouchScreen_Get_Calibrated_Y(TS_State.touchY[1]);
if((y2 > (90 + TS_MULTITOUCH_FOOTPRINT_CIRCLE_RADIUS)) &&
(y2 < (BSP_LCD_GetYSize() - 90 - TS_MULTITOUCH_FOOTPRINT_CIRCLE_RADIUS)))
{
drawTouch2 = 1;
}
/* If valid touch 2 position : inside the reserved area for the use case : draw the touch */
if(drawTouch2 == 1)
{
sprintf((char*)lcd_string, "x2 = %d, y2 = %d, Event = %s, Weight = %d",
x2,
y2,
ts_event_string_tab[TS_State.touchEventId[1]],
TS_State.touchWeight[1]);
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - 35, lcd_string, CENTER_MODE);
/* Draw circle of second touch : turn on color[] table */
BSP_LCD_SetTextColor(colors[(touchscreen_color_idx++ % 24)]);
BSP_LCD_FillCircle(x2, y2, TS_MULTITOUCH_FOOTPRINT_CIRCLE_RADIUS);
} /* of if(drawTouch2 == 1) */
} /* of if(TS_State.touchDetected > 1) */
if((drawTouch1 == 1) || (drawTouch2 == 1))
{
/* Get updated gesture Id in global variable 'TS_State' */
ts_status = BSP_TS_Get_GestureId(&TS_State);
sprintf((char*)lcd_string, "Gesture Id = %s", ts_gesture_id_string_tab[TS_State.gestureId]);
BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - 15, lcd_string, CENTER_MODE);
}
else
{
/* Invalid touch position */
BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - 70, (uint8_t *)"Invalid touch position : use drawn touch area : ", CENTER_MODE);
}
} /* of if(TS_State.TouchDetected) */
return(ts_status);
}
