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/**
******************************************************************************
* @file USB_Host/HID_Standalone/Src/mouse.c
* @author MCD Application Team
* @brief This file implements Functions for mouse menu
******************************************************************************
* @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"
/* Private typedef -----------------------------------------------------------*/
extern USBH_HandleTypeDef hUSBHost;
/* Private define ------------------------------------------------------------*/
/* Left Button Report data */
#define HID_MOUSE_BUTTON1 0x01
/* Right Button Report data */
#define HID_MOUSE_BUTTON2 0x02
/* Middle Button Report data */
#define HID_MOUSE_BUTTON3 0x04
/* Mouse directions */
#define MOUSE_TOP_DIR 0x80
#define MOUSE_BOTTOM_DIR 0x00
#define MOUSE_LEFT_DIR 0x80
#define MOUSE_RIGHT_DIR 0x00
#define MOUSE_WINDOW_X (BSP_LCD_GetXSize() - MOUSE_WINDOW_WIDTH)/2
#define MOUSE_WINDOW_Y 70
#define MOUSE_WINDOW_X_MAX 181
#define MOUSE_WINDOW_Y_MIN 101
#define MOUSE_WINDOW_HEIGHT 70
#define MOUSE_WINDOW_WIDTH 145
#define HID_MOUSE_BUTTON_HEIGHT 10
#define HID_MOUSE_BUTTON_WIDTH 24
#define HID_MOUSE_BUTTON1_XCHORD MOUSE_WINDOW_X
#define HID_MOUSE_BUTTON2_XCHORD HID_MOUSE_BUTTON1_XCHORD + 60
#define HID_MOUSE_BUTTON3_XCHORD HID_MOUSE_BUTTON2_XCHORD + 60
#define HID_MOUSE_BUTTON_YCHORD 150
#define MOUSE_LEFT_MOVE 1
#define MOUSE_RIGHT_MOVE 2
#define MOUSE_UP_MOVE 3
#define MOUSE_DOWN_MOVE 4
#define HID_MOUSE_HEIGHTLSB 2
#define HID_MOUSE_WIDTHLSB 2
#define HID_MOUSE_RES_X 4
#define HID_MOUSE_RES_Y 4
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
static void USR_MOUSE_Init(void);
static void HID_MOUSE_UpdatePosition(int8_t x, int8_t y);
/* Private functions ---------------------------------------------------------*/
/**
* @brief Manages Mouse Menu Process.
* @param None
* @retval None
*/
void HID_MouseMenuProcess(void)
{
switch(hid_demo.mouse_state)
{
case HID_MOUSE_IDLE:
hid_demo.mouse_state = HID_MOUSE_START;
HID_SelectItem(DEMO_MOUSE_menu, 0);
hid_demo.select = 0;
prev_select = 0;
break;
case HID_MOUSE_WAIT:
if(hid_demo.select != prev_select)
{
prev_select = hid_demo.select;
HID_SelectItem(DEMO_MOUSE_menu, (hid_demo.select >> 4));
/* Handle select item */
switch(hid_demo.select)
{
case 0x0F:
hid_demo.mouse_state = HID_MOUSE_START;
hid_demo.select = 0;
prev_select = 0;
break;
case 0x1F: /* Return */
LCD_LOG_ClearTextZone();
hid_demo.state = HID_DEMO_REENUMERATE;
hid_demo.select = 0;
prev_select = 0;
break;
default:
break;
}
}
break;
case HID_MOUSE_START:
USR_MOUSE_Init();
hid_demo.mouse_state = HID_MOUSE_WAIT;
HID_MOUSE_UpdatePosition(0,0);
break;
default:
break;
}
}
/**
* @brief Init Mouse window.
* @param None
* @retval None
*/
static void USR_MOUSE_Init(void)
{
LCD_LOG_ClearTextZone();
BSP_LCD_SetTextColor(LCD_COLOR_YELLOW);
BSP_LCD_DisplayStringAtLine(4, (uint8_t *)"USB HID Host Mouse Demo... ");
BSP_LCD_SetTextColor(LCD_LOG_DEFAULT_COLOR);
/* Display Mouse Window */
BSP_LCD_DrawRect(MOUSE_WINDOW_X, MOUSE_WINDOW_Y, MOUSE_WINDOW_WIDTH, MOUSE_WINDOW_HEIGHT);
HID_MOUSE_ButtonReleased(0);
HID_MOUSE_ButtonReleased(1);
HID_MOUSE_ButtonReleased(2);
BSP_LCD_SetTextColor(LCD_COLOR_GREEN);
BSP_LCD_SetBackColor(LCD_COLOR_BLACK);
HID_MOUSE_UpdatePosition(0,0);
}
/**
* @brief Processes Mouse data.
* @param data: Mouse data to be displayed
* @retval None
*/
void USR_MOUSE_ProcessData(HID_MOUSE_Info_TypeDef *data)
{
if((data->x != 0) && (data->y != 0))
{
HID_MOUSE_UpdatePosition(data->x , data->y);
}
}
/**
* @brief Handles mouse scroll to update the mouse position on display window.
* @param x: USB HID Mouse X coordinate
* @param y: USB HID Mouse Y coordinate
* @retval None
*/
static void HID_MOUSE_UpdatePosition(int8_t x, int8_t y)
{
static int16_t x_loc = 0, y_loc = 0;
static int16_t prev_x = 5, prev_y = 1;
if((x != 0) || (y != 0))
{
x_loc += x/2;
y_loc += y/10;
if(y_loc > MOUSE_WINDOW_HEIGHT - 12)
{
y_loc = MOUSE_WINDOW_HEIGHT - 12;
}
if(x_loc > MOUSE_WINDOW_WIDTH - 10)
{
x_loc = MOUSE_WINDOW_WIDTH - 10;
}
if(y_loc < 2)
{
y_loc = 2;
}
if(x_loc < 2)
{
x_loc = 2;
}
BSP_LCD_SetBackColor(LCD_COLOR_BLACK);
BSP_LCD_SetTextColor(LCD_COLOR_BLACK);
BSP_LCD_DisplayChar(MOUSE_WINDOW_X + prev_x, MOUSE_WINDOW_Y + prev_y, 'x');
BSP_LCD_SetTextColor(LCD_COLOR_GREEN);
BSP_LCD_DisplayChar(MOUSE_WINDOW_X + x_loc, MOUSE_WINDOW_Y + y_loc, 'x');
prev_x = x_loc;
prev_y = y_loc;
}
}
/**
* @brief Handles mouse button press.
* @param button_idx: Mouse button pressed
* @retval None
*/
void HID_MOUSE_ButtonPressed(uint8_t button_idx)
{
/* Set the color for button press status */
BSP_LCD_SetTextColor(LCD_COLOR_BLUE);
BSP_LCD_SetBackColor(LCD_COLOR_BLUE);
/* Change the color of button pressed to indicate button press */
switch(button_idx)
{
/* Left Button Pressed */
case 0:
BSP_LCD_FillRect(HID_MOUSE_BUTTON1_XCHORD, HID_MOUSE_BUTTON_YCHORD,\
HID_MOUSE_BUTTON_WIDTH, HID_MOUSE_BUTTON_HEIGHT );
break;
/* Right Button Pressed */
case 1:
BSP_LCD_FillRect(HID_MOUSE_BUTTON2_XCHORD,HID_MOUSE_BUTTON_YCHORD,\
HID_MOUSE_BUTTON_WIDTH,HID_MOUSE_BUTTON_HEIGHT);
break;
/* Middle button Pressed */
case 2:
BSP_LCD_FillRect(HID_MOUSE_BUTTON3_XCHORD,HID_MOUSE_BUTTON_YCHORD,\
HID_MOUSE_BUTTON_WIDTH,HID_MOUSE_BUTTON_HEIGHT);
break;
}
}
/**
* @brief Handles mouse button release.
* @param button_idx: Mouse button released
* @retval None
*/
void HID_MOUSE_ButtonReleased(uint8_t button_idx)
{
/* Set the color for release status */
BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
BSP_LCD_SetBackColor(LCD_COLOR_BLACK);
/* Change the color of button released to default button color */
switch(button_idx)
{
/* Left Button Released */
case 0:
BSP_LCD_FillRect(HID_MOUSE_BUTTON1_XCHORD, HID_MOUSE_BUTTON_YCHORD,\
HID_MOUSE_BUTTON_WIDTH, HID_MOUSE_BUTTON_HEIGHT);
break;
/* Right Button Released */
case 1:
BSP_LCD_FillRect(HID_MOUSE_BUTTON2_XCHORD, HID_MOUSE_BUTTON_YCHORD,\
HID_MOUSE_BUTTON_WIDTH, HID_MOUSE_BUTTON_HEIGHT);
break;
/* Middle Button Released */
case 2:
BSP_LCD_FillRect(HID_MOUSE_BUTTON3_XCHORD, HID_MOUSE_BUTTON_YCHORD,\
HID_MOUSE_BUTTON_WIDTH, HID_MOUSE_BUTTON_HEIGHT);
break;
}
}