157 lines
4.1 KiB
C
157 lines
4.1 KiB
C
/**
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******************************************************************************
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* @file BSP/Src/joystick.c
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* @author MCD Application Team
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* @brief This example code shows how to use the joystick feature in the
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* STM3210E_EVAL driver
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2016 STMicroelectronics.
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* All rights reserved.
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*
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* This software is licensed under terms that can be found in the LICENSE file
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* in the root directory of this software component.
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* If no LICENSE file comes with this software, it is provided AS-IS.
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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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/* Private macro -------------------------------------------------------------*/
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/* Private variables ---------------------------------------------------------*/
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static JOYState_TypeDef JoyState = JOY_NONE;
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/* Private function prototypes -----------------------------------------------*/
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static void Joystick_SetHint(void);
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/* Private functions ---------------------------------------------------------*/
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/**
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* @brief Joystick demo
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* @param None
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* @retval None
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*/
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void Joystick_demo (void)
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{
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static uint16_t xPtr = 12;
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static uint16_t yPtr = 92;
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static uint16_t old_xPtr = 12;
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static uint16_t old_yPtr = 92;
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Joystick_SetHint();
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BSP_JOY_Init(JOY_MODE_GPIO);
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while (1)
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{
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/* Get the Joystick State */
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JoyState = BSP_JOY_GetState();
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switch(JoyState)
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{
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case JOY_UP:
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if(yPtr > 92)
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{
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yPtr--;
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}
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break;
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case JOY_DOWN:
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if(yPtr < (BSP_LCD_GetYSize() - 12 - 11))
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{
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yPtr++;
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}
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break;
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case JOY_LEFT:
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if(xPtr > 12)
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{
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xPtr--;
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}
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break;
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case JOY_RIGHT:
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if(xPtr < (BSP_LCD_GetXSize() - 8 - 11))
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{
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xPtr++;
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}
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break;
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default:
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break;
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}
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BSP_LCD_SetBackColor(LCD_COLOR_WHITE);
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BSP_LCD_SetTextColor(LCD_COLOR_BLUE);
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if(JoyState == JOY_SEL)
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{
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BSP_LCD_SetTextColor(LCD_COLOR_RED);
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BSP_LCD_DisplayChar(xPtr, yPtr, 'X');
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}
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else if(JoyState == JOY_NONE)
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{
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BSP_LCD_SetTextColor(LCD_COLOR_BLUE);
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BSP_LCD_DisplayChar(xPtr, yPtr, 'X');
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}
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else
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{
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BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
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BSP_LCD_DisplayChar(old_xPtr, old_yPtr, 'X');
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BSP_LCD_SetTextColor(LCD_COLOR_BLUE);
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BSP_LCD_DisplayChar(xPtr, yPtr, 'X');
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old_xPtr = xPtr;
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old_yPtr = yPtr;
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}
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if(CheckForUserInput() > 0)
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{
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return;
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}
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HAL_Delay(5);
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}
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}
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/**
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* @brief Display joystick demo hint
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* @param None
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* @retval None
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*/
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static void Joystick_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 Joystick 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 *)"Joystick", CENTER_MODE);
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BSP_LCD_SetFont(&Font12);
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BSP_LCD_DisplayStringAt(0, 30, (uint8_t *)"Please use the joystick to move the pointer", CENTER_MODE);
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BSP_LCD_DisplayStringAt(0, 45, (uint8_t *)"inside the rectangle, to switch to next menu", CENTER_MODE);
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BSP_LCD_DisplayStringAt(0, 60, (uint8_t *)"press Key push-button.", 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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* @}
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*/
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/**
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* @}
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*/
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