File size: 6,268 Bytes
8be366a | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 | /**
******************************************************************************
* @file BSP/Src/joystick.c
* @author MCD Application Team
* @version V1.3.0
* @date 17-February-2017
* @brief This example code shows how to use the joystick feature in the
* stm324xg_eval driver
******************************************************************************
* @attention
*
* <h2><center>© COPYRIGHT(c) 2017 STMicroelectronics</center></h2>>
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "main.h"
/** @addtogroup STM32F4xx_HAL_Examples
* @{
*/
/** @addtogroup BSP
* @{
*/
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
static JOYState_TypeDef JoyState = JOY_NONE;
/* Private function prototypes -----------------------------------------------*/
static void Joystick_SetHint(void);
/* Private functions ---------------------------------------------------------*/
/**
* @brief Joystick demo
* @param None
* @retval None
*/
void Joystick_demo(void)
{
static uint16_t xPtr = 12;
static uint16_t yPtr = 92;
static uint16_t old_xPtr = 12;
static uint16_t old_yPtr = 92;
uint8_t status = 0;
Joystick_SetHint();
status = BSP_JOY_Init(JOY_MODE_GPIO);
if (status != IO_OK)
{
BSP_LCD_SetBackColor(LCD_COLOR_WHITE);
BSP_LCD_SetTextColor(LCD_COLOR_RED);
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize()- 95, (uint8_t *)"ERROR", CENTER_MODE);
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize()- 80, (uint8_t *)"Joystick cannot be initialized", CENTER_MODE);
}
while (1)
{
if (status == IO_OK)
{
/* Get the Joystick State */
JoyState = BSP_JOY_GetState();
switch(JoyState)
{
case JOY_UP:
if(yPtr > 92)
{
yPtr--;
}
break;
case JOY_DOWN:
if(yPtr < (BSP_LCD_GetYSize() - 12 - 11))
{
yPtr++;
}
break;
case JOY_LEFT:
if(xPtr > 12)
{
xPtr--;
}
break;
case JOY_RIGHT:
if(xPtr < (BSP_LCD_GetXSize() - 8 - 11))
{
xPtr++;
}
break;
default:
break;
}
BSP_LCD_SetBackColor(LCD_COLOR_WHITE);
BSP_LCD_SetTextColor(LCD_COLOR_BLUE);
if(JoyState == JOY_SEL)
{
BSP_LCD_SetTextColor(LCD_COLOR_RED);
BSP_LCD_DisplayChar(xPtr, yPtr, 'X');
}
else if(JoyState == JOY_NONE)
{
BSP_LCD_SetTextColor(LCD_COLOR_BLUE);
BSP_LCD_DisplayChar(xPtr, yPtr, 'X');
}
else
{
BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
BSP_LCD_DisplayChar(old_xPtr, old_yPtr, 'X');
BSP_LCD_SetTextColor(LCD_COLOR_BLUE);
BSP_LCD_DisplayChar(xPtr, yPtr, 'X');
old_xPtr = xPtr;
old_yPtr = yPtr;
}
}
if(CheckForUserInput() > 0)
{
return;
}
HAL_Delay(5);
}
}
/**
* @brief Display joystick demo hint
* @param None
* @retval None
*/
static void Joystick_SetHint(void)
{
/* Clear the LCD */
BSP_LCD_Clear(LCD_COLOR_WHITE);
/* Set Joystick Demo 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);
BSP_LCD_DisplayStringAt(0, 0, (uint8_t *)"Joystick", CENTER_MODE);
BSP_LCD_SetFont(&Font12);
BSP_LCD_DisplayStringAt(0, 30, (uint8_t *)"Please use the joystick to", CENTER_MODE);
BSP_LCD_DisplayStringAt(0, 45, (uint8_t *)"move the pointer inside the", CENTER_MODE);
BSP_LCD_DisplayStringAt(0, 60, (uint8_t *)"rectangle", CENTER_MODE);
/* 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);
}
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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