/**
******************************************************************************
* @file touchscreen.c
* @author MCD Application Team
* @brief This example code shows how to use the touchscreen driver.
******************************************************************************
* @attention
*
* Copyright (c) 2024 STMicroelectronics.
* All rights reserved.
*
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "main.h"
/** @addtogroup STM32H7RSxx_HAL_Examples
* @{
*/
/** @addtogroup BSP
* @{
*/
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
#define CIRCLE_RADIUS 40
#define LINE_LENGHT 30
/* Private macro -------------------------------------------------------------*/
#define CIRCLE_XPOS(i) ((i * 480) / 5)
#define CIRCLE_YPOS(i) (272 - CIRCLE_RADIUS - 60)
/* Private Structures and Enumerations ------------------------------------------------------------*/
/* Possible allowed indexes of touchscreen demo */
typedef enum
{
TOUCHSCREEN_DEMO_1 = 1,
#if (USE_TS_MULTI_TOUCH == 1)
TOUCHSCREEN_DEMO_2 = 2,
TOUCHSCREEN_DEMO_3 = 3,
TOUCHSCREEN_DEMO_MAX = TOUCHSCREEN_DEMO_3,
#else
TOUCHSCREEN_DEMO_MAX = TOUCHSCREEN_DEMO_1,
#endif /* USE_TS_MULTI_TOUCH == 1 */
} TouchScreenDemoTypeDef;
/* Table for touchscreen event information display on LCD : table indexed on enum [url=home.php?mod=space&uid=144993]@ref[/url] TS_TouchEventTypeDef information */
char * ts_event_string_tab[4] = { "None",
"Press down",
"Lift up",
"Contact"};
/* Global variables ---------------------------------------------------------*/
uint16_t x_new_pos = 0, x_previous_pos = 0;
uint16_t y_new_pos = 0, y_previous_pos = 0;
TS_State_t TS_State;
TS_MultiTouch_State_t TS_MTState = {0};
extern uint32_t colors[];
/* Private variables ---------------------------------------------------------*/
/* Static variable holding the current touch color index : used to change color at each touch */
#if (USE_TS_MULTI_TOUCH == 1)
static uint32_t touchscreen_color_idx = 0;
#endif /* USE_TS_MULTI_TOUCH == 1 */
TS_Init_t hTS;
/* Private function prototypes -----------------------------------------------*/
static void Touchscreen_SetHint_Demo(TouchScreenDemoTypeDef demoIndex);
#if (USE_TS_MULTI_TOUCH == 1)
static uint32_t Touchscreen_Handle_NewTouch(void);
static void TS_Update(void);
#endif /* USE_TS_MULTI_TOUCH == 1 */
/* Private functions ---------------------------------------------------------*/
/**
* @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;
uint32_t ts_status = BSP_ERROR_NONE;
uint32_t x_size, y_size;
BSP_LCD_GetXSize(0, &x_size);
BSP_LCD_GetYSize(0, &y_size);
UserButtonPressed = 0;
hTS.Width = x_size;
hTS.Height = y_size;
hTS.Orientation = TS_SWAP_NONE;
hTS.Accuracy = 5;
/* Touchscreen initialization */
ts_status = BSP_TS_Init(0, &hTS);
if(ts_status == BSP_ERROR_NONE)
{
/* Display touch screen demo description */
Touchscreen_SetHint_Demo(TOUCHSCREEN_DEMO_1);
Touchscreen_DrawBackground_Circles(state);
while (1)
{
/* Check in polling mode in touch screen the touch status and coordinates */
/* of touches if touch occurred */
ts_status = BSP_TS_GetState(0, &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 = TS_State.TouchX;
y1 = TS_State.TouchY;
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_Circles(state);
UTIL_LCD_FillCircle(CIRCLE_XPOS(1), CIRCLE_YPOS(1), CIRCLE_RADIUS, UTIL_LCD_COLOR_BLUE);
HAL_Delay(1);
state = 1;
}
}
if ((x1 > (CIRCLE_XPOS(2) - CIRCLE_RADIUS)) &&
(x1 < (CIRCLE_XPOS(2) + CIRCLE_RADIUS)))
{
if ((state & 2) == 0)
{
Touchscreen_DrawBackground_Circles(state);
UTIL_LCD_FillCircle(CIRCLE_XPOS(2), CIRCLE_YPOS(2), CIRCLE_RADIUS, UTIL_LCD_COLOR_RED);
HAL_Delay(1);
state = 2;
}
}
if ((x1 > (CIRCLE_XPOS(3) - CIRCLE_RADIUS)) &&
(x1 < (CIRCLE_XPOS(3) + CIRCLE_RADIUS)))
{
if ((state & 4) == 0)
{
Touchscreen_DrawBackground_Circles(state);
UTIL_LCD_FillCircle(CIRCLE_XPOS(3), CIRCLE_YPOS(3), CIRCLE_RADIUS, UTIL_LCD_COLOR_YELLOW);
state = 4;
}
}
if ((x1 > (CIRCLE_XPOS(4) - CIRCLE_RADIUS)) &&
(x1 < (CIRCLE_XPOS(4) + CIRCLE_RADIUS)))
{
if ((state & 8) == 0)
{
Touchscreen_DrawBackground_Circles(state);
UTIL_LCD_FillCircle(CIRCLE_XPOS(4), CIRCLE_YPOS(3), CIRCLE_RADIUS, UTIL_LCD_COLOR_GREEN);
state = 8;
}
}
}
} /* of if(TS_State.TouchDetected) */
if(CheckForUserInput() > 0)
{
ClearUserInput();
BSP_TS_DeInit(0);
return;
}
HAL_Delay(20);
}
} /* of if(status == BSP_ERROR_NONE) */
}
#if (USE_TS_MULTI_TOUCH == 1)
/**
* @brief Touchscreen Demo2 : test touchscreen single and dual touch in polling mode
* @param None
* @retval None
*/
void Touchscreen_demo2(void)
{
uint32_t ts_status = BSP_ERROR_NONE;
uint32_t x_size, y_size;
UserButtonPressed = 0;
BSP_LCD_GetXSize(0, &x_size);
BSP_LCD_GetYSize(0, &y_size);
hTS.Width = x_size;
hTS.Height = y_size;
hTS.Orientation = TS_SWAP_NONE;
hTS.Accuracy = 0;
/* Touchscreen initialization */
ts_status = BSP_TS_Init(0, &hTS);
if(ts_status == BSP_ERROR_NONE)
{
/* Display touch screen demo2 description */
Touchscreen_SetHint_Demo(TOUCHSCREEN_DEMO_2);
} /* of if(status == BSP_ERROR_NONE) */
while (1)
{
Touchscreen_Handle_NewTouch();
if(CheckForUserInput() > 0)
{
ClearUserInput();
BSP_TS_DeInit(0);
return;
}
HAL_Delay(100);
}
}
/**
* @brief Touchscreen Demo3 : test touchscreen single touch in interrupt mode
* @param None
* @retval None
*/
void Touchscreen_demo3(void)
{
uint16_t k, l;
uint32_t x_size, y_size;
BSP_LCD_GetXSize(0, &x_size);
BSP_LCD_GetYSize(0, &y_size);
hTS.Width = x_size;
hTS.Height = y_size;
hTS.Orientation = TS_SWAP_NONE;
hTS.Accuracy = 0;
/* Touchscreen initialization */
BSP_TS_Init(0, &hTS);
BSP_TS_EnableIT(0);
UTIL_LCD_Clear(UTIL_LCD_COLOR_WHITE);
for(k = 0; k < hTS.Width/40; k++)
{
for(l = 0; l < hTS.Height/40; l++)
{
UTIL_LCD_DrawRect(40*k, 40*l,40,40, UTIL_LCD_COLOR_BLACK);
}
}
while (1)
{
if(CheckForUserInput() > 0)
{
ClearUserInput();
BSP_TS_DisableIT(0);
BSP_TS_DeInit(0);
return;
}
}
}
void BSP_TS_Callback(uint32_t Instance)
{
TS_Update();
}
static void TS_Update(void)
{
uint16_t i, j;
BSP_TS_GetState(0, &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 */
x_new_pos = TS_State.TouchX;
y_new_pos = TS_State.TouchY;
for(i = 0; i < hTS.Width/40; i++)
{
for(j = 0; j < hTS.Height/40; j++)
{
if(((x_new_pos > 40*i) && (x_new_pos < 40*(i+1))) && ((y_new_pos > 40*j) && (y_new_pos < 40*(j+1))))
{
UTIL_LCD_FillRect(x_previous_pos, y_previous_pos,40,40, UTIL_LCD_COLOR_WHITE);
UTIL_LCD_DrawRect(x_previous_pos, y_previous_pos,40,40, UTIL_LCD_COLOR_BLACK);
UTIL_LCD_FillRect(40*i, 40*j,40,40, colors[(touchscreen_color_idx++ % 24)]);
x_previous_pos = 40*i;
y_previous_pos = 40*j;
break;
}
}
}
x_new_pos = TS_State.TouchX;
y_new_pos = TS_State.TouchY;
}
}
/**
* @brief Touchscreen_Handle_NewTouch: factorization of touch management
* @param None
* @retval BSP_ERROR_NONE
*/
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] = {UTIL_LCD_COLOR_BLUE, UTIL_LCD_COLOR_GREEN, UTIL_LCD_COLOR_RED, UTIL_LCD_COLOR_CYAN, UTIL_LCD_COLOR_MAGENTA, UTIL_LCD_COLOR_YELLOW,
UTIL_LCD_COLOR_LIGHTBLUE, UTIL_LCD_COLOR_LIGHTGREEN, UTIL_LCD_COLOR_LIGHTRED, UTIL_LCD_COLOR_LIGHTCYAN, UTIL_LCD_COLOR_LIGHTMAGENTA,
UTIL_LCD_COLOR_LIGHTYELLOW, UTIL_LCD_COLOR_DARKBLUE, UTIL_LCD_COLOR_DARKGREEN, UTIL_LCD_COLOR_DARKRED, UTIL_LCD_COLOR_DARKCYAN,
UTIL_LCD_COLOR_DARKMAGENTA, UTIL_LCD_COLOR_DARKYELLOW, UTIL_LCD_COLOR_LIGHTGRAY, UTIL_LCD_COLOR_GRAY, UTIL_LCD_COLOR_DARKGRAY,
UTIL_LCD_COLOR_BLACK, UTIL_LCD_COLOR_BROWN, UTIL_LCD_COLOR_ORANGE };
uint32_t ts_status = BSP_ERROR_NONE;
uint8_t lcd_string[TOUCH_INFO_STRING_SIZE] = "";
uint32_t x_size, y_size;
BSP_LCD_GetXSize(0, &x_size);
BSP_LCD_GetYSize(0, &y_size);
/* Check in polling mode in touch screen the touch status and coordinates */
/* of touches if touch occurred */
ts_status = BSP_TS_Get_MultiTouchState(0, &TS_MTState);
if(TS_MTState.TouchDetected)
{
/* One or dual touch have been detected */
/* Erase previous information on touchscreen play pad area */
UTIL_LCD_FillRect(0, 80, x_size, y_size - 160, UTIL_LCD_COLOR_WHITE);
/* Re-Draw touch screen play area on LCD */
UTIL_LCD_DrawRect(10, 90, x_size - 20, y_size - 180, UTIL_LCD_COLOR_BLUE);
UTIL_LCD_DrawRect(11, 91, x_size - 22, y_size - 182, UTIL_LCD_COLOR_BLUE);
/* Erase previous information on bottom text bar */
UTIL_LCD_FillRect(0, y_size - 80, x_size, 80, UTIL_LCD_COLOR_BLUE);
/* Deactivate 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 = TS_MTState.TouchX[0];
y1 = TS_MTState.TouchY[0];
if((y1 > (90 + TS_MULTITOUCH_FOOTPRINT_CIRCLE_RADIUS)) &&
(y1 < (y_size - 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 */
UTIL_LCD_FillCircle(x1, y1, TS_MULTITOUCH_FOOTPRINT_CIRCLE_RADIUS, colors[(touchscreen_color_idx++ % 24)]);
UTIL_LCD_SetTextColor(UTIL_LCD_COLOR_WHITE);
UTIL_LCD_SetFont(&Font16);
UTIL_LCD_DisplayStringAt(0, y_size - 70, (uint8_t *)"TOUCH INFO : ", CENTER_MODE);
UTIL_LCD_SetFont(&Font12);
sprintf((char*)lcd_string, "x1 = %u, y1 = %u", x1, y1);
UTIL_LCD_DisplayStringAt(0, y_size - 45, lcd_string, CENTER_MODE);
} /* of if(drawTouch1 == 1) */
if(TS_MTState.TouchDetected > 1)
{
/* Get X and Y position of the second touch post calibrated */
x2 = TS_MTState.TouchX[1];
y2 = TS_MTState.TouchY[1];
if((y2 > (90 + TS_MULTITOUCH_FOOTPRINT_CIRCLE_RADIUS)) &&
(y2 < (y_size - 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 = %u, y2 = %u", x2, y2);
UTIL_LCD_DisplayStringAt(0, y_size - 35, lcd_string, CENTER_MODE);
/* Draw circle of second touch : turn on color[] table */
UTIL_LCD_FillCircle(x2, y2, TS_MULTITOUCH_FOOTPRINT_CIRCLE_RADIUS, colors[(touchscreen_color_idx++ % 24)]);
} /* of if(drawTouch2 == 1) */
} /* of if(TS_MTState.TouchDetected > 1) */
} /* of if(TS_MTState.TouchDetected) */
return(ts_status);
}
#endif /* USE_TS_MULTI_TOUCH == 1 */
/**
* @brief Display TS Demo Hint for all touchscreen demos depending on passed
* demoIndex in parameter.
* @param demoIndex : parameter of type @ref TouchScreenDemoTypeDef
* @retval None
*/
static void Touchscreen_SetHint_Demo(TouchScreenDemoTypeDef demoIndex)
{
uint32_t x_size, y_size;
BSP_LCD_GetXSize(0, &x_size);
BSP_LCD_GetYSize(0, &y_size);
BSP_LCD_SetLayerVisible(0,0, DISABLE);
if(demoIndex <= TOUCHSCREEN_DEMO_MAX)
{
/* Clear the LCD */
UTIL_LCD_Clear(UTIL_LCD_COLOR_WHITE);
/* Set Touchscreen Demo1 description */
UTIL_LCD_FillRect(0, 0, x_size, 80, UTIL_LCD_COLOR_BLUE);
UTIL_LCD_SetTextColor(UTIL_LCD_COLOR_WHITE);
UTIL_LCD_SetBackColor(UTIL_LCD_COLOR_BLUE);
UTIL_LCD_SetFont(&Font24);
if(demoIndex == TOUCHSCREEN_DEMO_1)
{
UTIL_LCD_DisplayStringAt(0, 0, (uint8_t *)"Touchscreen basic polling", CENTER_MODE);
UTIL_LCD_SetFont(&Font16);
UTIL_LCD_DisplayStringAt(0, 45, (uint8_t *)"Please use the Touchscreen to activate the colored circle", CENTER_MODE);
UTIL_LCD_DisplayStringAt(0, 60, (uint8_t *)"inside the rectangle, then press USER button", CENTER_MODE);
}
#if (USE_TS_MULTI_TOUCH == 1)
else if (demoIndex == TOUCHSCREEN_DEMO_2)
{
UTIL_LCD_DisplayStringAt(0, 0, (uint8_t *)"Touchscreen dual touch polling", CENTER_MODE);
UTIL_LCD_SetFont(&Font16);
UTIL_LCD_DisplayStringAt(0, 45, (uint8_t *)"Please press the Touchscreen to activate", CENTER_MODE);
UTIL_LCD_DisplayStringAt(0, 60, (uint8_t *)"single and dual touch, then press USER button", CENTER_MODE);
}
else /* demoIndex == TOUCHSCREEN_DEMO_3 */
{
UTIL_LCD_DisplayStringAt(0, 0, (uint8_t *)"Touchscreen dual touch interrupt", CENTER_MODE);
UTIL_LCD_SetFont(&Font16);
UTIL_LCD_DisplayStringAt(0, 45, (uint8_t *)"Please press the Touchscreen to activate", CENTER_MODE);
UTIL_LCD_DisplayStringAt(0, 60, (uint8_t *)"single and dual touch, then press USER button", CENTER_MODE);
}
#endif /* USE_TS_MULTI_TOUCH == 1 */
UTIL_LCD_DrawRect(10, 90, x_size - 20, y_size - 100, UTIL_LCD_COLOR_BLUE);
UTIL_LCD_DrawRect(11, 91, x_size - 22, y_size - 102, UTIL_LCD_COLOR_BLUE);
} /* of if(demoIndex <= TOUCHSCREEN_DEMO_MAX) */
BSP_LCD_SetLayerVisible(0,0, ENABLE);
}
/**
* @brief Draw Touchscreen Background
* @param state : touch zone state
* @retval None
*/
void Touchscreen_DrawBackground_Circles(uint8_t state)
{
uint16_t x, y;
switch (state)
{
case 0:
UTIL_LCD_FillCircle(CIRCLE_XPOS(1), CIRCLE_YPOS(1), CIRCLE_RADIUS, UTIL_LCD_COLOR_BLUE);
UTIL_LCD_FillCircle(CIRCLE_XPOS(2), CIRCLE_YPOS(2), CIRCLE_RADIUS, UTIL_LCD_COLOR_RED);
UTIL_LCD_FillCircle(CIRCLE_XPOS(3), CIRCLE_YPOS(3), CIRCLE_RADIUS, UTIL_LCD_COLOR_YELLOW);
UTIL_LCD_FillCircle(CIRCLE_XPOS(4), CIRCLE_YPOS(3), CIRCLE_RADIUS, UTIL_LCD_COLOR_GREEN);
UTIL_LCD_FillCircle(CIRCLE_XPOS(1), CIRCLE_YPOS(1), CIRCLE_RADIUS - 2, UTIL_LCD_COLOR_WHITE);
UTIL_LCD_FillCircle(CIRCLE_XPOS(2), CIRCLE_YPOS(2), CIRCLE_RADIUS - 2, UTIL_LCD_COLOR_WHITE);
UTIL_LCD_FillCircle(CIRCLE_XPOS(3), CIRCLE_YPOS(3), CIRCLE_RADIUS - 2, UTIL_LCD_COLOR_WHITE);
UTIL_LCD_FillCircle(CIRCLE_XPOS(4), CIRCLE_YPOS(3), CIRCLE_RADIUS - 2, UTIL_LCD_COLOR_WHITE);
break;
case 1:
UTIL_LCD_FillCircle(CIRCLE_XPOS(1), CIRCLE_YPOS(1), CIRCLE_RADIUS, UTIL_LCD_COLOR_BLUE);
UTIL_LCD_FillCircle(CIRCLE_XPOS(1), CIRCLE_YPOS(1), CIRCLE_RADIUS - 2, UTIL_LCD_COLOR_WHITE);
break;
case 2:
UTIL_LCD_FillCircle(CIRCLE_XPOS(2), CIRCLE_YPOS(2), CIRCLE_RADIUS, UTIL_LCD_COLOR_RED);
UTIL_LCD_FillCircle(CIRCLE_XPOS(2), CIRCLE_YPOS(2), CIRCLE_RADIUS - 2, UTIL_LCD_COLOR_WHITE);
break;
case 4:
UTIL_LCD_FillCircle(CIRCLE_XPOS(3), CIRCLE_YPOS(3), CIRCLE_RADIUS, UTIL_LCD_COLOR_YELLOW);
UTIL_LCD_FillCircle(CIRCLE_XPOS(3), CIRCLE_YPOS(3), CIRCLE_RADIUS - 2, UTIL_LCD_COLOR_WHITE);
break;
case 8:
UTIL_LCD_FillCircle(CIRCLE_XPOS(4), CIRCLE_YPOS(4), CIRCLE_RADIUS, UTIL_LCD_COLOR_GREEN);
UTIL_LCD_FillCircle(CIRCLE_XPOS(4), CIRCLE_YPOS(4), CIRCLE_RADIUS - 2, UTIL_LCD_COLOR_WHITE);
break;
case 16:
UTIL_LCD_FillCircle(CIRCLE_XPOS(1), CIRCLE_YPOS(1), CIRCLE_RADIUS, UTIL_LCD_COLOR_BLUE);
UTIL_LCD_FillCircle(CIRCLE_XPOS(2), CIRCLE_YPOS(2), CIRCLE_RADIUS, UTIL_LCD_COLOR_BLUE);
UTIL_LCD_FillCircle(CIRCLE_XPOS(3), CIRCLE_YPOS(3), CIRCLE_RADIUS, UTIL_LCD_COLOR_BLUE);
UTIL_LCD_FillCircle(CIRCLE_XPOS(4), CIRCLE_YPOS(3), CIRCLE_RADIUS, UTIL_LCD_COLOR_BLUE);
UTIL_LCD_FillCircle(CIRCLE_XPOS(1), CIRCLE_YPOS(1), CIRCLE_RADIUS - 2, UTIL_LCD_COLOR_WHITE);
UTIL_LCD_FillCircle(CIRCLE_XPOS(2), CIRCLE_YPOS(2), CIRCLE_RADIUS - 2, UTIL_LCD_COLOR_WHITE);
UTIL_LCD_FillCircle(CIRCLE_XPOS(3), CIRCLE_YPOS(3), CIRCLE_RADIUS - 2, UTIL_LCD_COLOR_WHITE);
UTIL_LCD_FillCircle(CIRCLE_XPOS(4), CIRCLE_YPOS(3), CIRCLE_RADIUS - 2, UTIL_LCD_COLOR_WHITE);
UTIL_LCD_DrawHLine(CIRCLE_XPOS(1)-LINE_LENGHT, CIRCLE_YPOS(1), 2*LINE_LENGHT, UTIL_LCD_COLOR_BLUE);
UTIL_LCD_DrawHLine(CIRCLE_XPOS(2)-LINE_LENGHT, CIRCLE_YPOS(2), 2*LINE_LENGHT, UTIL_LCD_COLOR_BLUE);
UTIL_LCD_DrawVLine(CIRCLE_XPOS(2), CIRCLE_YPOS(2)-LINE_LENGHT, 2*LINE_LENGHT, UTIL_LCD_COLOR_BLUE);
UTIL_LCD_DrawHLine(CIRCLE_XPOS(3)-LINE_LENGHT, CIRCLE_YPOS(3), 2*LINE_LENGHT, UTIL_LCD_COLOR_BLUE);
UTIL_LCD_DrawHLine(CIRCLE_XPOS(4)-LINE_LENGHT, CIRCLE_YPOS(4), 2*LINE_LENGHT, UTIL_LCD_COLOR_BLUE);
UTIL_LCD_DrawVLine(CIRCLE_XPOS(4), CIRCLE_YPOS(4)-LINE_LENGHT, 2*LINE_LENGHT, UTIL_LCD_COLOR_BLUE);
UTIL_LCD_SetTextColor(UTIL_LCD_COLOR_BLUE);
UTIL_LCD_SetBackColor(UTIL_LCD_COLOR_WHITE);
UTIL_LCD_SetFont(&Font24);
x = CIRCLE_XPOS(1);
y = CIRCLE_YPOS(1) - CIRCLE_RADIUS - UTIL_LCD_GetFont()->Height;
UTIL_LCD_DisplayStringAt(x, y, (uint8_t *)"Volume", CENTER_MODE);
x = CIRCLE_XPOS(4);
y = CIRCLE_YPOS(4) - CIRCLE_RADIUS - UTIL_LCD_GetFont()->Height;
UTIL_LCD_DisplayStringAt(x, y, (uint8_t *)"Frequency", CENTER_MODE);
break;
case 32:
UTIL_LCD_FillCircle(CIRCLE_XPOS(1), CIRCLE_YPOS(1), CIRCLE_RADIUS, UTIL_LCD_COLOR_BLACK);
UTIL_LCD_FillCircle(CIRCLE_XPOS(2), CIRCLE_YPOS(2), CIRCLE_RADIUS, UTIL_LCD_COLOR_BLACK);
UTIL_LCD_FillCircle(CIRCLE_XPOS(1), CIRCLE_YPOS(1), CIRCLE_RADIUS - 2, UTIL_LCD_COLOR_WHITE);
UTIL_LCD_FillCircle(CIRCLE_XPOS(2), CIRCLE_YPOS(2), CIRCLE_RADIUS - 2, UTIL_LCD_COLOR_WHITE);
UTIL_LCD_SetTextColor(UTIL_LCD_COLOR_BLACK);
UTIL_LCD_SetBackColor(UTIL_LCD_COLOR_WHITE);
UTIL_LCD_SetFont(&Font20);
x = CIRCLE_XPOS(1) - 10;
y = CIRCLE_YPOS(1) - (UTIL_LCD_GetFont()->Height)/2;
UTIL_LCD_DisplayStringAt(x, y, (uint8_t *)"Up", LEFT_MODE);
x = CIRCLE_XPOS(2) - 10;
y = CIRCLE_YPOS(3) - (UTIL_LCD_GetFont()->Height)/2;
UTIL_LCD_DisplayStringAt(x, y, (uint8_t *)"Dw", LEFT_MODE);
UTIL_LCD_SetFont(&Font12);
break;
case 64:
UTIL_LCD_FillCircle(CIRCLE_XPOS(2), CIRCLE_YPOS(2), CIRCLE_RADIUS, UTIL_LCD_COLOR_BLUE);
UTIL_LCD_FillCircle(CIRCLE_XPOS(3), CIRCLE_YPOS(3), CIRCLE_RADIUS, UTIL_LCD_COLOR_BLUE);
UTIL_LCD_FillCircle(CIRCLE_XPOS(2), CIRCLE_YPOS(2), CIRCLE_RADIUS - 2, UTIL_LCD_COLOR_WHITE);
UTIL_LCD_FillCircle(CIRCLE_XPOS(3), CIRCLE_YPOS(3), CIRCLE_RADIUS - 2, UTIL_LCD_COLOR_WHITE);
UTIL_LCD_DrawHLine(CIRCLE_XPOS(2)-LINE_LENGHT, CIRCLE_YPOS(2), 2*LINE_LENGHT, UTIL_LCD_COLOR_BLUE);
UTIL_LCD_DrawHLine(CIRCLE_XPOS(3)-LINE_LENGHT, CIRCLE_YPOS(3), 2*LINE_LENGHT, UTIL_LCD_COLOR_BLUE);
UTIL_LCD_DrawVLine(CIRCLE_XPOS(3), CIRCLE_YPOS(3)-LINE_LENGHT, 2*LINE_LENGHT, UTIL_LCD_COLOR_BLUE);
UTIL_LCD_SetTextColor(UTIL_LCD_COLOR_BLUE);
UTIL_LCD_SetBackColor(UTIL_LCD_COLOR_WHITE);
UTIL_LCD_SetFont(&Font24);
x = CIRCLE_XPOS(2);
y = CIRCLE_YPOS(1) - CIRCLE_RADIUS - UTIL_LCD_GetFont()->Height;
UTIL_LCD_DisplayStringAt(x, y, (uint8_t *)"Frequency", LEFT_MODE);
break;
}
}
/**
* @brief TouchScreen get touch position
* @param None
* @retval None
*/
uint8_t TouchScreen_GetTouchPosition(void)
{
uint16_t x1, y1;
uint8_t circleNr = 0;
/* Check in polling mode in touch screen the touch status and coordinates */
/* of touches if touch occurred */
BSP_TS_GetState(0, &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 */
x1 = TS_State.TouchX;
y1 = TS_State.TouchY;
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)))
{
circleNr = 1;
}
if ((x1 > (CIRCLE_XPOS(2) - CIRCLE_RADIUS)) &&
(x1 < (CIRCLE_XPOS(2) + CIRCLE_RADIUS)))
{
circleNr = 2;
}
if ((x1 > (CIRCLE_XPOS(3) - CIRCLE_RADIUS)) &&
(x1 < (CIRCLE_XPOS(3) + CIRCLE_RADIUS)))
{
circleNr = 3;
}
if ((x1 > (CIRCLE_XPOS(4) - CIRCLE_RADIUS)) &&
(x1 < (CIRCLE_XPOS(4) + CIRCLE_RADIUS)))
{
circleNr = 4;
}
}
else
{
if (((y1 < 220) && (y1 > 140)) &&
((x1 < 160) && (x1 > 100)))
{
circleNr = 0xFE; /* top part of the screen */
}
else
{
circleNr = 0xFF;
}
}
} /* of if(TS_State.TouchDetected) */
return circleNr;
}
/**
* @}
*/
/**
* @}
*/