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/**
******************************************************************************
* @file BSP/Src/touchscreen.c
* @author MCD Application Team
* @brief This example code shows how to use the touchscreen driver.
******************************************************************************
* @attention
*
* Copyright (c) 2017 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 STM32F7xx_HAL_Examples
* @{
*/
/** @addtogroup BSP
* @{
*/
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
#define CIRCLE_RADIUS 28
#define LINE_LENGHT 30
/* Private macro -------------------------------------------------------------*/
#define CIRCLE_XPOS(i) (((i == 1) | (i == 3)) ? BSP_LCD_GetXSize()/4 : BSP_LCD_GetXSize() - 60)
#define CIRCLE_YPOS(i) (((i == 1) | (i == 2)) ? BSP_LCD_GetYSize()/2 : BSP_LCD_GetYSize() -40)
/* Private Structures and Enumerations ------------------------------------------------------------*/
/* Possible allowed indexes of touchscreen demo */
typedef enum
{
TOUCHSCREEN_DEMO_1 = 1,
TOUCHSCREEN_DEMO_2 = 2,
TOUCHSCREEN_DEMO_3 = 3,
TOUCHSCREEN_DEMO_MAX = TOUCHSCREEN_DEMO_3,
} TouchScreenDemoTypeDef;
/* Global variables ---------------------------------------------------------*/
TS_StateTypeDef TS_State = {0};
__IO uint16_t x_old = 0, y_old = 0;
/* Private variables ---------------------------------------------------------*/
/* Static variable holding the current touch color index : used to change color at each touch */
static uint32_t touchscreen_color_idx = 0;
uint32_t colors[23] = {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_LIGHTMAGENTA, LCD_COLOR_ORANGE,
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};
/* Private function prototypes -----------------------------------------------*/
static void Touchscreen_SetHint_Demo(TouchScreenDemoTypeDef demoIndex);
static uint32_t Touchscreen_Handle_NewTouch(void);
static uint8_t Get_ButtonNum(uint16_t x1, uint16_t y1);
/* 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;
uint8_t exitTsUseCase = 0;
uint32_t ts_status = TS_OK;
/* 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_Circles(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_Circles(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_Circles(state);
BSP_LCD_SetTextColor(LCD_COLOR_RED);
BSP_LCD_FillCircle(CIRCLE_XPOS(2), CIRCLE_YPOS(2), CIRCLE_RADIUS);
state = 2;
}
}
}
if ((y1 > (CIRCLE_YPOS(3) - CIRCLE_RADIUS)) && (y1 < (CIRCLE_YPOS(3) + CIRCLE_RADIUS)))
{
if ((x1 > (CIRCLE_XPOS(3) - CIRCLE_RADIUS)) && (x1 < (CIRCLE_XPOS(3) + CIRCLE_RADIUS)))
{
if ((state & 4) == 0)
{
Touchscreen_DrawBackground_Circles(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_Circles(state);
BSP_LCD_SetTextColor(LCD_COLOR_GREEN);
BSP_LCD_FillCircle(CIRCLE_XPOS(4), CIRCLE_YPOS(4), 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 Touchscreen Demo2 : test touchscreen single and dual touch in polling mode
* @param None
* @retval None
*/
void Touchscreen_demo2(void)
{
uint8_t exitTsUseCase = 0;
uint32_t ts_status = TS_OK;
/* 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 demo2 description */
Touchscreen_SetHint_Demo(TOUCHSCREEN_DEMO_2);
while (exitTsUseCase == 0)
{
Touchscreen_Handle_NewTouch();
/* 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(100);
} /* of while (exitTsUseCase == 0) */
} /* of if(status == TS_OK) */
}
/**
* @brief Touchscreen Demo3 : test touchscreen single touch in interrupt mode
* @param None
* @retval None
*/
void Touchscreen_demo3(void)
{
uint16_t x1, y1, i, j, k, l;
uint8_t exitTsUseCase = 0;
uint32_t ts_status = TS_OK;
/* 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) */
BSP_TS_ITConfig();
/* Display touch screen demo2 description */
Touchscreen_SetHint_Demo(TOUCHSCREEN_DEMO_3);
while (CheckForUserInput() == 0);
BSP_LCD_Clear(LCD_COLOR_WHITE);
BSP_LCD_SetTextColor(LCD_COLOR_BLACK);
for(k = 0; k < 6; k++)
{
for(l = 0; l < 6; l++)
{
BSP_LCD_DrawRect(40*k, 40*l,40,40);
}
}
while (exitTsUseCase == 0)
{
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]);
for(i = 0; i < 6; i++)
{
for(j = 0; j < 6; j++)
{
if(((x1 > 40*i) && (x1 < 40*(i+1))) && ((y1 > 40*j) && (y1 < 40*(j+1))))
{
BSP_LCD_Clear(LCD_COLOR_WHITE);
for(k = 0; k < 6; k++)
{
for(l = 0; l < 6; l++)
{
BSP_LCD_SetTextColor(colors[(touchscreen_color_idx++ % 23)]);
BSP_LCD_SetTextColor(LCD_COLOR_BLACK);
BSP_LCD_DrawRect(40*k, 40*l,40,40);
}
}
BSP_LCD_SetTextColor(colors[(touchscreen_color_idx++ % 23)]);
BSP_LCD_FillRect(40*i, 40*j,40,40);
}
}
}
}
/* Wait for a key button press to switch to next test case of BSP validation application */
/* Otherwise stay in the test */
exitTsUseCase = CheckForUserInput();
}
}
/**
* @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 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(12, 92, BSP_LCD_GetXSize() - 24, BSP_LCD_GetYSize() - 104);
/* 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() - 100);
BSP_LCD_DrawRect(11, 91, BSP_LCD_GetXSize() - 22, BSP_LCD_GetYSize() - 102);
/* Erase previous information on bottom text bar */
BSP_LCD_FillRect(0, 0, BSP_LCD_GetXSize(), 85);
/* 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 = 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() - 10 - TS_MULTITOUCH_FOOTPRINT_CIRCLE_RADIUS)) &&
(x1 > (10 + TS_MULTITOUCH_FOOTPRINT_CIRCLE_RADIUS)) &&
(x1 < (BSP_LCD_GetXSize() - 20 - 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++ % 23)]);
BSP_LCD_FillCircle(x1, y1, TS_MULTITOUCH_FOOTPRINT_CIRCLE_RADIUS);
BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
BSP_LCD_SetFont(&Font16);
BSP_LCD_DisplayStringAt(0, 0, (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, 15, 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() - 10 - TS_MULTITOUCH_FOOTPRINT_CIRCLE_RADIUS)) &&
(x2 > (10 + TS_MULTITOUCH_FOOTPRINT_CIRCLE_RADIUS)) &&
(x2 < (BSP_LCD_GetXSize() - 20 - 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, 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, 70, lcd_string, CENTER_MODE);
}
else
{
/* Invalid touch position */
BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
BSP_LCD_DisplayStringAt(0, 30, (uint8_t *)"!! Invalid touch position !!", CENTER_MODE);
BSP_LCD_DisplayStringAt(0, 45, (uint8_t *)"Use drawn touch area", CENTER_MODE);
}
} /* of if(TS_State.TouchDetected) */
return(ts_status);
}
/**
* @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)
{
if(demoIndex <= TOUCHSCREEN_DEMO_MAX)
{
/* Clear the LCD */
BSP_LCD_Clear(LCD_COLOR_WHITE);
/* Set Touchscreen Demo1 description */
BSP_LCD_SetTextColor(LCD_COLOR_BLUE);
BSP_LCD_FillRect(0, 0, BSP_LCD_GetXSize(), 80);
BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
BSP_LCD_SetBackColor(LCD_COLOR_BLUE);
BSP_LCD_SetFont(&Font16);
if(demoIndex == TOUCHSCREEN_DEMO_1)
{
BSP_LCD_DisplayStringAt(0, 0, (uint8_t *)"TS basic polling", CENTER_MODE);
BSP_LCD_SetFont(&Font12);
BSP_LCD_DisplayStringAt(0, 30, (uint8_t *)"Use the TS to activate the", CENTER_MODE);
BSP_LCD_DisplayStringAt(0, 45, (uint8_t *)"colored circle inside the rectangle", CENTER_MODE);
BSP_LCD_DisplayStringAt(0, 60, (uint8_t *)"Press User button to quit.", CENTER_MODE);
}
else if (demoIndex == TOUCHSCREEN_DEMO_2)
{
BSP_LCD_DisplayStringAt(0, 0, (uint8_t *)"TS dual touch polling", CENTER_MODE);
BSP_LCD_SetFont(&Font12);
BSP_LCD_DisplayStringAt(0, 30, (uint8_t *)"Please press the Touchscreen to", CENTER_MODE);
BSP_LCD_DisplayStringAt(0, 45, (uint8_t *)"activate single and", CENTER_MODE);
BSP_LCD_DisplayStringAt(0, 60, (uint8_t *)"dual touch", CENTER_MODE);
}
else
{
BSP_LCD_DisplayStringAt(0, 0, (uint8_t *)"TS IT mode", CENTER_MODE);
BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
BSP_LCD_SetBackColor(LCD_COLOR_BLUE);
BSP_LCD_SetFont(&Font12);
BSP_LCD_DisplayStringAt(0, 35, (uint8_t *)"Use the TS to select ", CENTER_MODE);
BSP_LCD_DisplayStringAt(0, 50, (uint8_t *)"the required rectangle", CENTER_MODE);
BSP_LCD_DisplayStringAt(0, 65, (uint8_t *)"Press button to start/quit.", CENTER_MODE);
}
if(demoIndex != TOUCHSCREEN_DEMO_3)
{
/* Set the LCD Text Color */
BSP_LCD_SetTextColor(LCD_COLOR_BLUE);
BSP_LCD_DrawRect(10, 90, BSP_LCD_GetXSize() - 20, BSP_LCD_GetYSize() - 100);
BSP_LCD_DrawRect(11, 91, BSP_LCD_GetXSize() - 22, BSP_LCD_GetYSize() - 102);
}
} /* of if(demoIndex <= TOUCHSCREEN_DEMO_MAX) */
}
/**
* @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:
BSP_LCD_SetTextColor(LCD_COLOR_BLUE);
BSP_LCD_FillCircle(CIRCLE_XPOS(1), CIRCLE_YPOS(1), CIRCLE_RADIUS);
BSP_LCD_SetTextColor(LCD_COLOR_RED);
BSP_LCD_FillCircle(CIRCLE_XPOS(2), CIRCLE_YPOS(2), CIRCLE_RADIUS);
BSP_LCD_SetTextColor(LCD_COLOR_YELLOW);
BSP_LCD_FillCircle(CIRCLE_XPOS(3), CIRCLE_YPOS(3), CIRCLE_RADIUS);
BSP_LCD_SetTextColor(LCD_COLOR_GREEN);
BSP_LCD_FillCircle(CIRCLE_XPOS(4), CIRCLE_YPOS(3), CIRCLE_RADIUS);
BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
BSP_LCD_FillCircle(CIRCLE_XPOS(1), CIRCLE_YPOS(1), CIRCLE_RADIUS - 2);
BSP_LCD_FillCircle(CIRCLE_XPOS(2), CIRCLE_YPOS(2), CIRCLE_RADIUS - 2);
BSP_LCD_FillCircle(CIRCLE_XPOS(3), CIRCLE_YPOS(3), CIRCLE_RADIUS - 2);
BSP_LCD_FillCircle(CIRCLE_XPOS(4), CIRCLE_YPOS(3), CIRCLE_RADIUS - 2);
break;
case 1:
BSP_LCD_SetTextColor(LCD_COLOR_BLUE);
BSP_LCD_FillCircle(CIRCLE_XPOS(1), CIRCLE_YPOS(1), CIRCLE_RADIUS);
BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
BSP_LCD_FillCircle(CIRCLE_XPOS(1), CIRCLE_YPOS(1), CIRCLE_RADIUS - 2);
break;
case 2:
BSP_LCD_SetTextColor(LCD_COLOR_RED);
BSP_LCD_FillCircle(CIRCLE_XPOS(2), CIRCLE_YPOS(2), CIRCLE_RADIUS);
BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
BSP_LCD_FillCircle(CIRCLE_XPOS(2), CIRCLE_YPOS(2), CIRCLE_RADIUS - 2);
break;
case 4:
BSP_LCD_SetTextColor(LCD_COLOR_YELLOW);
BSP_LCD_FillCircle(CIRCLE_XPOS(3), CIRCLE_YPOS(3), CIRCLE_RADIUS);
BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
BSP_LCD_FillCircle(CIRCLE_XPOS(3), CIRCLE_YPOS(3), CIRCLE_RADIUS - 2);
break;
case 8:
BSP_LCD_SetTextColor(LCD_COLOR_GREEN);
BSP_LCD_FillCircle(CIRCLE_XPOS(4), CIRCLE_YPOS(4), CIRCLE_RADIUS);
BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
BSP_LCD_FillCircle(CIRCLE_XPOS(4), CIRCLE_YPOS(4), CIRCLE_RADIUS - 2);
break;
case 32:
BSP_LCD_SetTextColor(LCD_COLOR_BLACK);
BSP_LCD_FillCircle(CIRCLE_XPOS(3), CIRCLE_YPOS(3)-5, CIRCLE_RADIUS);
BSP_LCD_FillCircle(CIRCLE_XPOS(4), CIRCLE_YPOS(4)-5, CIRCLE_RADIUS);
BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
BSP_LCD_FillCircle(CIRCLE_XPOS(3), CIRCLE_YPOS(3)-5, CIRCLE_RADIUS - 2);
BSP_LCD_FillCircle(CIRCLE_XPOS(4), CIRCLE_YPOS(4)-5, CIRCLE_RADIUS - 2);
BSP_LCD_SetTextColor(LCD_COLOR_BLACK);
BSP_LCD_SetBackColor(LCD_COLOR_WHITE);
BSP_LCD_SetFont(&Font16);
x = CIRCLE_XPOS(3) - 10;
y = CIRCLE_YPOS(3) - (BSP_LCD_GetFont()->Height)/2;
BSP_LCD_DisplayStringAt(x, y, (uint8_t *)"Up", LEFT_MODE);
x = CIRCLE_XPOS(4) - 10;
y = CIRCLE_YPOS(4) - (BSP_LCD_GetFont()->Height)/2;
BSP_LCD_DisplayStringAt(x, y, (uint8_t *)"Dw", LEFT_MODE);
BSP_LCD_SetFont(&Font12);
break;
}
}
/**
* @brief Draw Touchscreen Background
* @param state : touch zone state
* @retval None
*/
void Touchscreen_DrawControl_Buttons(void)
{
/* Volume up */
BSP_LCD_SetTextColor(LCD_COLOR_BLUE);
BSP_LCD_FillRect(170, 80, 60, 30);
BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
BSP_LCD_FillRect(172, 82, 56, 26);
BSP_LCD_SetTextColor(LCD_COLOR_BLUE);
BSP_LCD_DisplayStringAt(185, 93, (uint8_t *)"Vol+", LEFT_MODE);
/* Volume down button*/
BSP_LCD_SetTextColor(LCD_COLOR_BLUE);
BSP_LCD_FillRect(10, 80, 60, 30);
BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
BSP_LCD_FillRect(12, 82, 56, 26);
BSP_LCD_SetTextColor(LCD_COLOR_BLUE);
BSP_LCD_DisplayStringAt(25, 93, (uint8_t *)"Vol-", LEFT_MODE);
/* freq up button*/
BSP_LCD_SetTextColor(LCD_COLOR_BLUE);
BSP_LCD_FillRect(170, 200, 60, 30);
BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
BSP_LCD_FillRect(172, 202, 56, 26);
BSP_LCD_SetTextColor(LCD_COLOR_BLUE);
BSP_LCD_DisplayStringAt(185, 213, (uint8_t *)"Freq+", LEFT_MODE);
/* freq down button */
BSP_LCD_SetTextColor(LCD_COLOR_BLUE);
BSP_LCD_FillRect(10, 200, 60, 30);
BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
BSP_LCD_FillRect(12, 202, 56, 26);
BSP_LCD_SetTextColor(LCD_COLOR_BLUE);
BSP_LCD_DisplayStringAt(25, 213, (uint8_t *)"Freq-", LEFT_MODE);
/* pause/play button*/
BSP_LCD_SetTextColor(LCD_COLOR_BLUE);
BSP_LCD_FillRect(90, 155, 60, 30);
BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
BSP_LCD_FillRect(92, 157, 56, 26);
BSP_LCD_SetTextColor(LCD_COLOR_BLUE);
BSP_LCD_DisplayStringAt(105, 165, (uint8_t *)"Pause", LEFT_MODE);
}
/**
* @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(&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 = TouchScreen_Get_Calibrated_X(TS_State.touchX[0]);
y1 = TouchScreen_Get_Calibrated_Y(TS_State.touchY[0]);
if ((y1 > (CIRCLE_YPOS(3) - CIRCLE_RADIUS)) && (y1 < (CIRCLE_YPOS(3) + CIRCLE_RADIUS)))
{
if ((x1 > (CIRCLE_XPOS(3) - CIRCLE_RADIUS)) && (x1 < (CIRCLE_XPOS(3) + CIRCLE_RADIUS)))
{
circleNr = 1;
}
if ((x1 > (CIRCLE_XPOS(4) - CIRCLE_RADIUS)) && (x1 < (CIRCLE_XPOS(4) + CIRCLE_RADIUS)))
{
circleNr = 2;
}
}
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;
}
/**
* @brief TouchScreen get touch position
* @param None
* @retval None
*/
uint8_t TouchScreen_GetTouchButtonPosition(void)
{
uint16_t x1, y1;
uint8_t buttonnum = 0;
/* Check in polling mode in touch screen the touch status and coordinates */
/* of touches if touch occurred */
BSP_TS_GetState(&TS_State);
/* Get X and Y position of the first */
x1 = TouchScreen_Get_Calibrated_X(TS_State.touchX[0]);
y1 = TouchScreen_Get_Calibrated_Y(TS_State.touchY[0]);
if(TS_State.touchDetected)
{
if((x_old != x1) || (y_old != y1))
{
x_old = x1;
y_old = y1;
buttonnum = Get_ButtonNum(x1, y1);
}
}
return buttonnum;
}
static uint8_t Get_ButtonNum(uint16_t x1, uint16_t y1)
{
uint8_t buttonnum = 0;
if ((y1 < 110))
{
if ((x1 > 10) && (x1 < 85))
{
buttonnum = 3; /* Vol - */
}
else if ((x1 > 170) && (x1 < 240))
{
buttonnum = 4; /* Vol + */
}
}
else if ((y1 > 115) && (y1 < 190))
{
if ((x1 > 90) && (x1 < 190))
{
buttonnum = 0xFE; /* Pause/Play */
}
}
else if (y1 > 200)
{
if ((x1 > 10) && (x1 < 80))
{
buttonnum = 1; /* freq - */
}
else if ((x1 > 170) && (x1 < 240))
{
buttonnum = 2; /* freq+ */
}
}
else
{
buttonnum = 0xFF;
}
return buttonnum;
}
/**
* @}
*/
/**
* @}
*/
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