257 lines
7.8 KiB
C
257 lines
7.8 KiB
C
/**
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******************************************************************************
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* @file BSP/Src/touchscreen.c
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* @author MCD Application Team
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* @brief This example code shows how to use the touchscreen driver.
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******************************************************************************
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* @attention
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*
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* <h2><center>© Copyright (c) 2016 STMicroelectronics.
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* All rights reserved.</center></h2>
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*
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* This software component is licensed by ST under BSD 3-Clause license,
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* the "License"; You may not use this file except in compliance with the
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* License. You may obtain a copy of the License at:
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* opensource.org/licenses/BSD-3-Clause
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*
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******************************************************************************
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*/
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/* Includes ------------------------------------------------------------------*/
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#include "main.h"
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/** @addtogroup STM32F1xx_HAL_Examples
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* @{
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*/
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/** @addtogroup BSP
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* @{
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*/
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/* Private typedef -----------------------------------------------------------*/
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/* Private define ------------------------------------------------------------*/
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#define CIRCLE_RADIUS 30
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/* Private macro -------------------------------------------------------------*/
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#define CIRCLE_XPOS(i) ((i * BSP_LCD_GetXSize()) / 5)
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#define CIRCLE_YPOS(i) (BSP_LCD_GetYSize() - CIRCLE_RADIUS - 60)
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/* Private variables ---------------------------------------------------------*/
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static TS_StateTypeDef TS_State;
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/* Private function prototypes -----------------------------------------------*/
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static void Touchscreen_SetHint(void);
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static void Touchscreen_DrawBackground (uint8_t state);
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/* Private functions ---------------------------------------------------------*/
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/**
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* @brief Touchscreen Demo
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* @param None
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* @retval None
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*/
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void Touchscreen_demo (void)
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{
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uint8_t status = 0;
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uint16_t x,y;
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uint8_t state = 0;
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if(IsCalibrationDone() == 0)
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{
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Touchscreen_Calibration();
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}
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Touchscreen_SetHint();
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status = BSP_TS_Init(BSP_LCD_GetXSize(), BSP_LCD_GetYSize());
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if (status != TS_OK)
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{
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BSP_LCD_SetBackColor(LCD_COLOR_WHITE);
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BSP_LCD_SetTextColor(LCD_COLOR_RED);
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BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize()- 95, (uint8_t*)"ERROR", CENTER_MODE);
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BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize()- 80, (uint8_t*)"Touchscreen cannot be initialized", CENTER_MODE);
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}
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else
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{
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Touchscreen_DrawBackground(state);
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}
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while (1)
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{
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if (status == TS_OK)
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{
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BSP_TS_GetState(&TS_State);
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if (TS_State.TouchDetected) {
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x = Calibration_GetX(TS_State.x);
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y = Calibration_GetY(TS_State.y);
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if((TS_State.TouchDetected) &&
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(y > (CIRCLE_YPOS(1) - CIRCLE_RADIUS))&&
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(y < (CIRCLE_YPOS(1) + CIRCLE_RADIUS)))
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{
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if((x > (CIRCLE_XPOS(1) - CIRCLE_RADIUS))&&
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(x < (CIRCLE_XPOS(1) + CIRCLE_RADIUS)))
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{
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if((state & 1) == 0)
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{
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Touchscreen_DrawBackground(1);
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BSP_LCD_SetTextColor(LCD_COLOR_BLUE);
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BSP_LCD_FillCircle(CIRCLE_XPOS(1), CIRCLE_YPOS(1), CIRCLE_RADIUS);
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state |= 1;
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}
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}
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if((x > (CIRCLE_XPOS(2) - CIRCLE_RADIUS))&&
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(x < (CIRCLE_XPOS(2) + CIRCLE_RADIUS)))
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{
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if((state & 2) == 0)
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{
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Touchscreen_DrawBackground(2);
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BSP_LCD_SetTextColor(LCD_COLOR_RED);
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BSP_LCD_FillCircle(CIRCLE_XPOS(2), CIRCLE_YPOS(2), CIRCLE_RADIUS);
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state |= 2;
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}
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}
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if((x > (CIRCLE_XPOS(3) - CIRCLE_RADIUS))&&
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(x < (CIRCLE_XPOS(3) + CIRCLE_RADIUS)))
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{
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if((state & 4) == 0)
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{
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Touchscreen_DrawBackground(4);
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BSP_LCD_SetTextColor(LCD_COLOR_YELLOW);
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BSP_LCD_FillCircle(CIRCLE_XPOS(3), CIRCLE_YPOS(3), CIRCLE_RADIUS);
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state |= 4;
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}
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}
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if((x > (CIRCLE_XPOS(4) - CIRCLE_RADIUS))&&
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(x < (CIRCLE_XPOS(4) + CIRCLE_RADIUS)))
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{
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if((state & 8) == 0)
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{
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Touchscreen_DrawBackground(8);
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BSP_LCD_SetTextColor(LCD_COLOR_GREEN);
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BSP_LCD_FillCircle(CIRCLE_XPOS(4), CIRCLE_YPOS(3), CIRCLE_RADIUS);
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state |= 8;
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}
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}
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if (state != 0x0F)
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{
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TS_State.TouchDetected = 0;
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}
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}
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}
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}
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HAL_Delay(100);
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if(CheckForUserInput() > 0)
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{
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return;
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}
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}
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}
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/**
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* @brief Display TS Demo Hint
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* @param None
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* @retval None
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*/
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static void Touchscreen_SetHint(void)
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{
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/* Clear the LCD */
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BSP_LCD_Clear(LCD_COLOR_WHITE);
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/* Set Touchscreen Demo description */
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BSP_LCD_SetTextColor(LCD_COLOR_BLUE);
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BSP_LCD_FillRect(0, 0, BSP_LCD_GetXSize(), 80);
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BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
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BSP_LCD_SetBackColor(LCD_COLOR_BLUE);
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BSP_LCD_SetFont(&Font24);
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BSP_LCD_DisplayStringAt(0, 0, (uint8_t*)"Touchscreen", CENTER_MODE);
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BSP_LCD_SetFont(&Font12);
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BSP_LCD_DisplayStringAt(0, 30, (uint8_t*)"Please use the Touchscreen to", CENTER_MODE);
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BSP_LCD_DisplayStringAt(0, 45, (uint8_t*)"activate the colored circle", CENTER_MODE);
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BSP_LCD_DisplayStringAt(0, 60, (uint8_t*)"inside the rectangle", CENTER_MODE);
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/* Set the LCD Text Color */
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BSP_LCD_SetTextColor(LCD_COLOR_BLUE);
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BSP_LCD_DrawRect(10, 90, BSP_LCD_GetXSize() - 20, BSP_LCD_GetYSize()- 100);
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BSP_LCD_DrawRect(11, 91, BSP_LCD_GetXSize() - 22, BSP_LCD_GetYSize()- 102);
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}
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/**
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* @brief Draw Touchscreen Background
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* @param state : touch zone state
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* @retval None
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*/
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static void Touchscreen_DrawBackground (uint8_t state)
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{
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switch(state)
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{
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case 0:
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BSP_LCD_SetTextColor(LCD_COLOR_BLUE);
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BSP_LCD_FillCircle(CIRCLE_XPOS(1), CIRCLE_YPOS(1), CIRCLE_RADIUS);
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BSP_LCD_SetTextColor(LCD_COLOR_RED);
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BSP_LCD_FillCircle(CIRCLE_XPOS(2), CIRCLE_YPOS(2), CIRCLE_RADIUS);
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BSP_LCD_SetTextColor(LCD_COLOR_YELLOW);
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BSP_LCD_FillCircle(CIRCLE_XPOS(3), CIRCLE_YPOS(3), CIRCLE_RADIUS);
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BSP_LCD_SetTextColor(LCD_COLOR_GREEN);
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BSP_LCD_FillCircle(CIRCLE_XPOS(4), CIRCLE_YPOS(3), CIRCLE_RADIUS);
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BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
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BSP_LCD_FillCircle(CIRCLE_XPOS(1), CIRCLE_YPOS(1), CIRCLE_RADIUS - 2);
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BSP_LCD_FillCircle(CIRCLE_XPOS(2), CIRCLE_YPOS(2), CIRCLE_RADIUS - 2);
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BSP_LCD_FillCircle(CIRCLE_XPOS(3), CIRCLE_YPOS(3), CIRCLE_RADIUS - 2);
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BSP_LCD_FillCircle(CIRCLE_XPOS(4), CIRCLE_YPOS(3), CIRCLE_RADIUS - 2);
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break;
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case 1:
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BSP_LCD_SetTextColor(LCD_COLOR_BLUE);
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BSP_LCD_FillCircle(CIRCLE_XPOS(1), CIRCLE_YPOS(1), CIRCLE_RADIUS);
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BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
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BSP_LCD_FillCircle(CIRCLE_XPOS(1), CIRCLE_YPOS(1), CIRCLE_RADIUS - 2);
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break;
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case 2:
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BSP_LCD_SetTextColor(LCD_COLOR_RED);
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BSP_LCD_FillCircle(CIRCLE_XPOS(2), CIRCLE_YPOS(2), CIRCLE_RADIUS);
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BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
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BSP_LCD_FillCircle(CIRCLE_XPOS(2), CIRCLE_YPOS(2), CIRCLE_RADIUS - 2);
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break;
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case 4:
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BSP_LCD_SetTextColor(LCD_COLOR_YELLOW);
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BSP_LCD_FillCircle(CIRCLE_XPOS(3), CIRCLE_YPOS(3), CIRCLE_RADIUS);
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BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
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BSP_LCD_FillCircle(CIRCLE_XPOS(3), CIRCLE_YPOS(3), CIRCLE_RADIUS - 2);
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break;
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case 8:
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BSP_LCD_SetTextColor(LCD_COLOR_GREEN);
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BSP_LCD_FillCircle(CIRCLE_XPOS(4), CIRCLE_YPOS(4), CIRCLE_RADIUS);
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BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
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BSP_LCD_FillCircle(CIRCLE_XPOS(4), CIRCLE_YPOS(4), CIRCLE_RADIUS - 2);
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break;
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}
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}
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/**
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* @}
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*/
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/**
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* @}
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*/
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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