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/**
******************************************************************************
* @file USB_Host/DynamicSwitch_Standalone/Src/menu.c
* @author MCD Application Team
* @brief This file implements MSC Menu Functions
******************************************************************************
* @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 ----------------------------------------------------------- */
/* Private define ------------------------------------------------------------ */
/* Private macro ------------------------------------------------------------- */
/* Private variables --------------------------------------------------------- */
MSC_DEMO_StateMachine msc_demo;
uint8_t prev_select = 0;
uint8_t *MSC_main_menu[] = {
(uint8_t *)
" 1 - File Operations ",
(uint8_t *)
" 2 - Explorer Disk ",
(uint8_t *)
" 3 - Re-Enumerate ",
};
/* Private function prototypes ----------------------------------------------- */
static void MSC_SelectItem(uint8_t ** menu, uint8_t item);
/* Private functions --------------------------------------------------------- */
/**
* @brief Manages MSC Menu Process.
* @param None
* @retval None
*/
void MSC_MenuProcess(void)
{
switch (msc_demo.state)
{
case MSC_DEMO_IDLE:
BSP_LCD_SetTextColor(LCD_COLOR_GREEN);
BSP_LCD_DisplayStringAtLine(16,
(uint8_t *)
" ");
BSP_LCD_DisplayStringAtLine(17,
(uint8_t *)
"Use [Buttons Left/Right] to scroll up/down ");
BSP_LCD_DisplayStringAtLine(18,
(uint8_t *)
"Use [Joystick Up/Down] to scroll MSC menu ");
BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
MSC_SelectItem(MSC_main_menu, 0);
msc_demo.state = MSC_DEMO_WAIT;
msc_demo.select = 0;
break;
case MSC_DEMO_WAIT:
if (msc_demo.select != prev_select)
{
prev_select = msc_demo.select;
MSC_SelectItem(MSC_main_menu, msc_demo.select & 0x7F);
/* Handle select item */
if (msc_demo.select & 0x80)
{
switch (msc_demo.select & 0x7F)
{
case 0:
msc_demo.state = MSC_DEMO_FILE_OPERATIONS;
break;
case 1:
msc_demo.state = MSC_DEMO_EXPLORER;
break;
case 2:
msc_demo.state = MSC_REENUMERATE;
break;
default:
break;
}
}
}
break;
case MSC_DEMO_FILE_OPERATIONS:
/* Read and Write File Here */
if (Appli_state == APPLICATION_MSC)
{
MSC_File_Operations();
}
msc_demo.state = MSC_DEMO_WAIT;
break;
case MSC_DEMO_EXPLORER:
/* Display disk content */
if (Appli_state == APPLICATION_MSC)
{
Explore_Disk("0:/", 1);
}
msc_demo.state = MSC_DEMO_WAIT;
break;
case MSC_REENUMERATE:
/* Force MSC Device to re-enumerate */
USBH_ReEnumerate(&hUSBHost);
msc_demo.state = MSC_DEMO_WAIT;
break;
default:
break;
}
msc_demo.select &= 0x7F;
}
/**
* @brief Manages the menu on the screen.
* @param menu: Menu table
* @param item: Selected item to be highlighted
* @retval None
*/
static void MSC_SelectItem(uint8_t ** menu, uint8_t item)
{
BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
switch (item)
{
case 0:
BSP_LCD_SetBackColor(LCD_COLOR_MAGENTA);
BSP_LCD_DisplayStringAtLine(19, menu[0]);
BSP_LCD_SetBackColor(LCD_COLOR_BLUE);
BSP_LCD_DisplayStringAtLine(20, menu[1]);
BSP_LCD_DisplayStringAtLine(21, menu[2]);
break;
case 1:
BSP_LCD_SetBackColor(LCD_COLOR_BLUE);
BSP_LCD_DisplayStringAtLine(19, menu[0]);
BSP_LCD_SetBackColor(LCD_COLOR_MAGENTA);
BSP_LCD_DisplayStringAtLine(20, menu[1]);
BSP_LCD_SetBackColor(LCD_COLOR_BLUE);
BSP_LCD_DisplayStringAtLine(21, menu[2]);
break;
case 2:
BSP_LCD_SetBackColor(LCD_COLOR_BLUE);
BSP_LCD_DisplayStringAtLine(19, menu[0]);
BSP_LCD_SetBackColor(LCD_COLOR_BLUE);
BSP_LCD_DisplayStringAtLine(20, menu[1]);
BSP_LCD_SetBackColor(LCD_COLOR_MAGENTA);
BSP_LCD_DisplayStringAtLine(21, menu[2]);
break;
}
BSP_LCD_SetBackColor(LCD_COLOR_BLACK);
}
/**
* @brief Probes the MSC joystick state.
* @param state: Joystick state
* @retval None
*/
void MSC_DEMO_ProbeKey(JOYState_TypeDef state)
{
/* Handle Menu inputs */
if ((state == JOY_UP) && (msc_demo.select > 0))
{
msc_demo.select--;
}
else if ((state == JOY_DOWN) && (msc_demo.select < 2))
{
msc_demo.select++;
}
else if (state == JOY_SEL)
{
msc_demo.select |= 0x80;
}
}