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/**
******************************************************************************
* @file USB_Host/MSC_RTOS/Src/menu.c
* @author MCD Application Team
* @brief This file implements 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 ------------------------------------------------------------ */
#define MENU_UPDATE_EVENT 0x10
/* Private macro ------------------------------------------------------------- */
/* Private variables --------------------------------------------------------- */
MSC_DEMO_StateMachine msc_demo;
osSemaphoreId MenuEvent;
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);
static void MSC_DEMO_ProbeKey(JOYState_TypeDef state);
static void MSC_MenuThread(void const *argument);
/* Private functions --------------------------------------------------------- */
/**
* @brief Demo state machine.
* @param None
* @retval None
*/
void Menu_Init(void)
{
/* Create Menu Semaphore */
osSemaphoreDef(osSem);
MenuEvent = osSemaphoreCreate(osSemaphore(osSem), 1);
/* Force menu to show Item 0 by default */
osSemaphoreRelease(MenuEvent);
/* Menu task */
#if defined(__GNUC__)
osThreadDef(Menu_Thread, MSC_MenuThread, osPriorityHigh, 0,
8 * configMINIMAL_STACK_SIZE);
#else
osThreadDef(Menu_Thread, MSC_MenuThread, osPriorityHigh, 0,
4 * configMINIMAL_STACK_SIZE);
#endif
osThreadCreate(osThread(Menu_Thread), NULL);
BSP_LCD_SetTextColor(LCD_COLOR_GREEN);
BSP_LCD_DisplayStringAtLine(17,
(uint8_t *)
"Use [Joystick Left/Right] to scroll up/down");
BSP_LCD_DisplayStringAtLine(18,
(uint8_t *)
"Use [Joystick Up/Down] to scroll MSC menu");
}
/**
* @brief User task
* @param pvParameters not used
* @retval None
*/
static void MSC_MenuThread(void const *argument)
{
for (;;)
{
if (osSemaphoreWait(MenuEvent, osWaitForever) == osOK)
{
switch (msc_demo.state)
{
case MSC_DEMO_IDLE:
MSC_SelectItem(MSC_main_menu, 0);
msc_demo.state = MSC_DEMO_WAIT;
msc_demo.select = 0;
osSemaphoreRelease(MenuEvent);
break;
case MSC_DEMO_WAIT:
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;
osSemaphoreRelease(MenuEvent);
break;
case 1:
msc_demo.state = MSC_DEMO_EXPLORER;
osSemaphoreRelease(MenuEvent);
break;
case 2:
msc_demo.state = MSC_REENUMERATE;
osSemaphoreRelease(MenuEvent);
break;
default:
break;
}
}
break;
case MSC_DEMO_FILE_OPERATIONS:
/* Read and Write File Here */
if (Appli_state == APPLICATION_READY)
{
MSC_File_Operations();
}
msc_demo.state = MSC_DEMO_WAIT;
break;
case MSC_DEMO_EXPLORER:
/* Display disk content */
if (Appli_state == APPLICATION_READY)
{
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
*/
static 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;
}
}
/**
* @brief EXTI line detection callbacks.
* @param GPIO_Pin: Specifies the pins connected EXTI line
* @retval None
*/
void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin)
{
static JOYState_TypeDef JoyState = JOY_NONE;
if (GPIO_Pin == GPIO_PIN_8)
{
/* Get the Joystick State */
JoyState = BSP_JOY_GetState();
MSC_DEMO_ProbeKey(JoyState);
switch (JoyState)
{
case JOY_LEFT:
LCD_LOG_ScrollBack();
break;
case JOY_RIGHT:
LCD_LOG_ScrollForward();
break;
default:
break;
}
/* Clear joystick interrupt pending bits */
BSP_IO_ITClear();
osSemaphoreRelease(MenuEvent);
}
}
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