BSP
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Outline
Includes
#include "main.h"
Private define
#define CIRCLE_RADIUS
#define LINE_LENGHT
#define TS_MULTI_TOUCH_SUPPORTED
Private macro
#define CIRCLE_XPOS
#define CIRCLE_YPOS
Private Structures and Enumerations
TouchScreenDemoTypeDef
Global variables
TS_State
Private variables
touchscreen_color_idx
Private function prototypes
Touchscreen_demo1()
Touchscreen_demo2()
Touchscreen_demo3()
Touchscreen_Handle_NewTouch()
TouchScreen_GetTouchPosition()
Touchscreen_SetHint_Demo(TouchScreenDemoTypeDef)
Touchscreen_DrawBackground_Circle_Buttons(uint8_t)
Touchscreen_DrawBackground_Demo1(uint8_t)
Files
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CodeScopeSTM32 Libraries and SamplesBSPSrc/touchscreen.c
 
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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 STM32F4xx_HAL_Examples * @{ *//* ... */ /** @addtogroup BSP * @{ *//* ... */ Includes /* Private typedef -----------------------------------------------------------*/ /* Private define ------------------------------------------------------------*/ #define CIRCLE_RADIUS 45 #define LINE_LENGHT 30 /* This examples requires TS_MULTI_TOUCH_SUPPORTED (see discovery_lcd.c/h)*/ #ifndef TS_MULTI_TOUCH_SUPPORTED #define TS_MULTI_TOUCH_SUPPORTED #endif Private define /* Private macro -------------------------------------------------------------*/ #define CIRCLE_XPOS(i) ((i * BSP_LCD_GetXSize()) / 5) #define CIRCLE_YPOS(i) (BSP_LCD_GetYSize() - CIRCLE_RADIUS - 60) Private macro /* 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; Private Structures and Enumerations /* Global variables ---------------------------------------------------------*/ TS_StateTypeDef TS_State = {0}; Global variables /* Private variables ---------------------------------------------------------*/ #if (TS_MULTI_TOUCH_SUPPORTED == 1) /* Static variable holding the current touch color index : used to change color at each touch */ static uint32_t touchscreen_color_idx = 0;/* ... */ #endif /* TS_MULTI_TOUCH_SUPPORTED == 1 */Private variables /* Private function prototypes -----------------------------------------------*/ static void Touchscreen_SetHint_Demo(TouchScreenDemoTypeDef demoIndex); #if (TS_MULTI_TOUCH_SUPPORTED == 1) static uint32_t Touchscreen_Handle_NewTouch(void); #endif /* TS_MULTI_TOUCH_SUPPORTED == 1 */ static void Touchscreen_DrawBackground_Demo1 (uint8_t state); Private function prototypes /* 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; /* Reset touch data information */ TS_State.touchDetected = 0; TS_State.touchX[0] = 0; TS_State.touchY[0] = 0; /* 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); }if (ts_status == TS_OK) { ... } }if (TouchScreen_IsCalibrationDone() == 0) { ... } /* 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 ((state & 1) == 0) { ... } }if ((x1 > (CIRCLE_XPOS(1) - CIRCLE_RADIUS)) && (x1 < (CIRCLE_XPOS(1) + CIRCLE_RADIUS))) { ... } 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 ((state & 2) == 0) { ... } }if ((x1 > (CIRCLE_XPOS(2) - CIRCLE_RADIUS)) && (x1 < (CIRCLE_XPOS(2) + CIRCLE_RADIUS))) { ... } 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 ((state & 4) == 0) { ... } }if ((x1 > (CIRCLE_XPOS(3) - CIRCLE_RADIUS)) && (x1 < (CIRCLE_XPOS(3) + CIRCLE_RADIUS))) { ... } 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; }if ((state & 8) == 0) { ... } }if ((x1 > (CIRCLE_XPOS(4) - CIRCLE_RADIUS)) && (x1 < (CIRCLE_XPOS(4) + CIRCLE_RADIUS))) { ... } }if ((y1 > (CIRCLE_YPOS(1) - CIRCLE_RADIUS)) && (y1 < (CIRCLE_YPOS(1) + CIRCLE_RADIUS))) { ... } }if (TS_State.touchDetected) { ... } /* of if(TS_State.TouchDetected) */ }if (ts_status == TS_OK) { ... } /* 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); }while (exitTsUseCase == 0) { ... } /* of while (exitTsUseCase == 0) */ }if (ts_status == TS_OK) { ... } /* of if(status == TS_OK) */ }{ ... } #if (TS_MULTI_TOUCH_SUPPORTED == 1) /** * @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; /* Reset touch data information */ BSP_TEST_APPLI_ASSERT(BSP_TS_ResetTouchData(&TS_State)); /* If calibration is not yet done, this is an error : touchscreen demo 1 should have been run before anyway */ if (TouchScreen_IsCalibrationDone() == 1) { }if (TouchScreen_IsCalibrationDone() == 1) { ... } /* of if (TouchScreen_IsCalibrationDone() == 1) */ else { BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - 65, (uint8_t *)"ERROR : touchscreen not yet calibrated.", CENTER_MODE); ts_status = TS_ERROR; }else { ... } 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); }while (exitTsUseCase == 0) { ... } /* of while (exitTsUseCase == 0) */ }if (ts_status == TS_OK) { ... } /* of if(status == TS_OK) */ }{ ... } /** * @brief Touchscreen Demo3 : test touchscreen single and dual touch in interrupt mode * @param None * @retval None *//* ... */ void Touchscreen_demo3(void) { 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, this is an error : touchscreen demo 1 should have been run before anyway */ if (TouchScreen_IsCalibrationDone() == 0) { BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - 65, (uint8_t *)"ERROR : touchscreen not yet calibrated.", CENTER_MODE); ts_status = TS_ERROR; }if (TouchScreen_IsCalibrationDone() == 0) { ... } if(ts_status == TS_OK) { /* Display touch screen demo3 description */ Touchscreen_SetHint_Demo(TOUCHSCREEN_DEMO_3); /* Set touchscreen in Interrupt mode and program EXTI accordingly on falling edge of TS_INT pin */ ts_status = BSP_TS_ITConfig(); BSP_TEST_APPLI_ASSERT(ts_status != TS_OK); while (exitTsUseCase == 0) { /* If EXTI9_5 occurred : means GPIOJ5 (TS_INT) triggered an EXTI on falling edge */ /* So a new touch is available */ if(exti5_received == 1) { /* Clear the flag on EXTI9_5 */ exti5_received = 0; /* Handle the new touch */ Touchscreen_Handle_NewTouch(); }if (exti5_received == 1) { ... } /* 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(10); }while (exitTsUseCase == 0) { ... } /* of while (exitTsUseCase == 0) */ }if (ts_status == TS_OK) { ... } /* of if(status == TS_OK) */ }{ ... } /** * @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); /* 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() - 90 - TS_MULTITOUCH_FOOTPRINT_CIRCLE_RADIUS))) { drawTouch1 = 1; }if ((y1 > (90 + TS_MULTITOUCH_FOOTPRINT_CIRCLE_RADIUS)) && (y1 < (BSP_LCD_GetYSize() - 90 - TS_MULTITOUCH_FOOTPRINT_CIRCLE_RADIUS))) { ... } /* 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); }if (drawTouch1 == 1) { ... } /* 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 ((y2 > (90 + TS_MULTITOUCH_FOOTPRINT_CIRCLE_RADIUS)) && (y2 < (BSP_LCD_GetYSize() - 90 - TS_MULTITOUCH_FOOTPRINT_CIRCLE_RADIUS))) { ... } /* 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); }if (drawTouch2 == 1) { ... } /* of if(drawTouch2 == 1) */ }if (TS_State.touchDetected > 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); }if ((drawTouch1 == 1) || (drawTouch2 == 1)) { ... } 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); }else { ... } }if (TS_State.touchDetected) { ... } /* of if(TS_State.TouchDetected) */ return(ts_status); }{ ... } /* ... */#endif /* TS_MULTI_TOUCH_SUPPORTED == 1 */ /** * @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 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))) { circleNr = 1; }if ((x1 > (CIRCLE_XPOS(1) - CIRCLE_RADIUS)) && (x1 < (CIRCLE_XPOS(1) + CIRCLE_RADIUS))) { ... } if ((x1 > (CIRCLE_XPOS(2) - CIRCLE_RADIUS)) && (x1 < (CIRCLE_XPOS(2) + CIRCLE_RADIUS))) { circleNr = 2; }if ((x1 > (CIRCLE_XPOS(2) - CIRCLE_RADIUS)) && (x1 < (CIRCLE_XPOS(2) + CIRCLE_RADIUS))) { ... } if ((x1 > (CIRCLE_XPOS(3) - CIRCLE_RADIUS)) && (x1 < (CIRCLE_XPOS(3) + CIRCLE_RADIUS))) { circleNr = 3; }if ((x1 > (CIRCLE_XPOS(3) - CIRCLE_RADIUS)) && (x1 < (CIRCLE_XPOS(3) + CIRCLE_RADIUS))) { ... } if ((x1 > (CIRCLE_XPOS(4) - CIRCLE_RADIUS)) && (x1 < (CIRCLE_XPOS(4) + CIRCLE_RADIUS))) { circleNr = 4; }if ((x1 > (CIRCLE_XPOS(4) - CIRCLE_RADIUS)) && (x1 < (CIRCLE_XPOS(4) + CIRCLE_RADIUS))) { ... } }if ((y1 > (CIRCLE_YPOS(1) - CIRCLE_RADIUS)) && (y1 < (CIRCLE_YPOS(1) + CIRCLE_RADIUS))) { ... } else { if (y1 < (CIRCLE_YPOS(1) - 2*CIRCLE_RADIUS)) { circleNr = 0xFE; /* top part of the screen */ }if (y1 < (CIRCLE_YPOS(1) - 2*CIRCLE_RADIUS)) { ... } else { circleNr = 0xFF; }else { ... } }else { ... } }if (TS_State.touchDetected) { ... } /* of if(TS_State.TouchDetected) */ return circleNr; }{ ... } /** * @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(&Font24); if(demoIndex == TOUCHSCREEN_DEMO_1) { BSP_LCD_DisplayStringAt(0, 0, (uint8_t *)"Touchscreen basic polling", CENTER_MODE); BSP_LCD_SetFont(&Font12); BSP_LCD_DisplayStringAt(0, 30, (uint8_t *)"Please use the Touchscreen to", CENTER_MODE); BSP_LCD_DisplayStringAt(0, 45, (uint8_t *)"activate the colored circle", CENTER_MODE); BSP_LCD_DisplayStringAt(0, 60, (uint8_t *)"inside the rectangle", CENTER_MODE); }if (demoIndex == TOUCHSCREEN_DEMO_1) { ... } else if (demoIndex == TOUCHSCREEN_DEMO_2) { BSP_LCD_DisplayStringAt(0, 0, (uint8_t *)"Touchscreen 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 if (demoIndex == TOUCHSCREEN_DEMO_2) { ... } else /* demoIndex == TOUCHSCREEN_DEMO_3 */ { BSP_LCD_DisplayStringAt(0, 0, (uint8_t *)"Touchscreen dual touch interrupt", 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 { ... } /* 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); }if (demoIndex <= TOUCHSCREEN_DEMO_MAX) { ... } /* of if(demoIndex <= TOUCHSCREEN_DEMO_MAX) */ }{ ... } /** * @brief Draw Touchscreen Background * @param state : touch zone state * @retval None *//* ... */ void Touchscreen_DrawBackground_Circle_Buttons (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 0: 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 1: 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 2: 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 4: 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 8: case 16: BSP_LCD_SetTextColor(LCD_COLOR_BLUE); BSP_LCD_FillCircle(CIRCLE_XPOS(1), CIRCLE_YPOS(1), CIRCLE_RADIUS); BSP_LCD_FillCircle(CIRCLE_XPOS(2), CIRCLE_YPOS(2), CIRCLE_RADIUS); BSP_LCD_FillCircle(CIRCLE_XPOS(3), CIRCLE_YPOS(3), CIRCLE_RADIUS); 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); BSP_LCD_SetTextColor(LCD_COLOR_BLUE); BSP_LCD_DrawHLine(CIRCLE_XPOS(1)-LINE_LENGHT, CIRCLE_YPOS(1), 2*LINE_LENGHT); BSP_LCD_DrawHLine(CIRCLE_XPOS(2)-LINE_LENGHT, CIRCLE_YPOS(2), 2*LINE_LENGHT); BSP_LCD_DrawVLine(CIRCLE_XPOS(2), CIRCLE_YPOS(2)-LINE_LENGHT, 2*LINE_LENGHT); BSP_LCD_DrawHLine(CIRCLE_XPOS(3)-LINE_LENGHT, CIRCLE_YPOS(3), 2*LINE_LENGHT); BSP_LCD_DrawHLine(CIRCLE_XPOS(4)-LINE_LENGHT, CIRCLE_YPOS(4), 2*LINE_LENGHT); BSP_LCD_DrawVLine(CIRCLE_XPOS(4), CIRCLE_YPOS(4)-LINE_LENGHT, 2*LINE_LENGHT); BSP_LCD_SetTextColor(LCD_COLOR_BLUE); BSP_LCD_SetBackColor(LCD_COLOR_WHITE); BSP_LCD_SetFont(&Font24); x = CIRCLE_XPOS(1); y = CIRCLE_YPOS(1) - CIRCLE_RADIUS - BSP_LCD_GetFont()->Height; BSP_LCD_DisplayStringAt(x, y, (uint8_t *)"Volume", CENTER_MODE); x = CIRCLE_XPOS(4); y = CIRCLE_YPOS(4) - CIRCLE_RADIUS - BSP_LCD_GetFont()->Height; BSP_LCD_DisplayStringAt(x, y, (uint8_t *)"Frequency", CENTER_MODE); break; case 16: case 32: BSP_LCD_SetTextColor(LCD_COLOR_BLACK); BSP_LCD_FillCircle(CIRCLE_XPOS(1), CIRCLE_YPOS(1), CIRCLE_RADIUS); BSP_LCD_FillCircle(CIRCLE_XPOS(2), CIRCLE_YPOS(2), 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_SetTextColor(LCD_COLOR_BLACK); BSP_LCD_SetBackColor(LCD_COLOR_WHITE); BSP_LCD_SetFont(&Font20); x = CIRCLE_XPOS(1) - 10; y = CIRCLE_YPOS(1) - (BSP_LCD_GetFont()->Height)/2; BSP_LCD_DisplayStringAt(x, y, (uint8_t *)"Up", LEFT_MODE); x = CIRCLE_XPOS(2) - 10; y = CIRCLE_YPOS(3) - (BSP_LCD_GetFont()->Height)/2; BSP_LCD_DisplayStringAt(x, y, (uint8_t *)"Dw", LEFT_MODE); BSP_LCD_SetFont(&Font12); break; case 32: }switch (state) { ... } }{ ... } /** * @brief Draw Touchscreen Background * @param state : touch zone state * @retval None *//* ... */ static void Touchscreen_DrawBackground_Demo1 (uint8_t state) { 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 0: 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 1: 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 2: 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 4: 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 8: }switch (state) { ... } }{ ... } /** * @} *//* ... */ /** * @} *//* ... */