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/**
******************************************************************************
* @file USB_Host/CDC_Standalone/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 ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
CDC_DEMO_StateMachine CdcDemo;
CDC_DEMO_SelectMode CdcSelectMode;
uint8_t PrevSelect = 0;
uint8_t *CDC_main_menu[] =
{
(uint8_t *)" 1 - Send Data ",
(uint8_t *)" 2 - Receive Data ",
(uint8_t *)" 3 - Configuration ",
(uint8_t *)" 4 - Re-Enumerate ",
};
/* Private function prototypes -----------------------------------------------*/
/* Private functions ---------------------------------------------------------*/
/**
* @brief Demo state machine.
* @param None
* @retval None
*/
void Menu_Init(void)
{
BSP_LCD_SetTextColor(LCD_COLOR_GREEN);
BSP_LCD_DisplayStringAtLine(14, (uint8_t *)" ");
BSP_LCD_DisplayStringAtLine(15, (uint8_t *)"Use [Buttons Left/Right] to scroll up/down");
BSP_LCD_DisplayStringAtLine(16, (uint8_t *)"Use [Joystick Up/Down] to scroll CDC menu ");
CdcDemo.state = CDC_DEMO_IDLE;
CDC_MenuProcess();
}
/**
* @brief Manages CDC Menu Process.
* @param None
* @retval None
*/
void CDC_MenuProcess(void)
{
switch(CdcDemo.state)
{
case CDC_DEMO_IDLE:
CDC_SelectItem(CDC_main_menu, 0);
CdcDemo.state = CDC_DEMO_WAIT;
CdcDemo.select = 0;
break;
case CDC_DEMO_WAIT:
if(CdcDemo.select != PrevSelect)
{
PrevSelect = CdcDemo.select;
CDC_SelectItem(CDC_main_menu, CdcDemo.select & 0x7F);
/* Handle select item */
if(CdcDemo.select & 0x80)
{
switch(CdcDemo.select & 0x7F)
{
case 0:
CdcDemo.state = CDC_DEMO_SEND;
CdcDemo.Send_state = CDC_SEND_IDLE;
break;
case 1:
CdcDemo.state = CDC_DEMO_RECEIVE;
CdcDemo.Receive_state = CDC_RECEIVE_IDLE;
break;
case 2:
CdcDemo.state = CDC_DEMO_CONFIGURATION;
CdcDemo.Configuration_state = CDC_CONFIGURATION_IDLE;
break;
case 3:
CdcDemo.state = CDC_DEMO_REENUMERATE;
break;
default:
break;
}
}
}
break;
case CDC_DEMO_SEND:
if(Appli_state == APPLICATION_READY)
{
CDC_Handle_Send_Menu();
}
else
{
CdcDemo.state = CDC_DEMO_WAIT;
}
break;
case CDC_DEMO_RECEIVE:
if(Appli_state == APPLICATION_READY)
{
CDC_Handle_Receive_Menu();
}
else
{
CdcDemo.state = CDC_DEMO_WAIT;
}
break;
case CDC_DEMO_CONFIGURATION:
if(Appli_state == APPLICATION_READY)
{
CDC_Handle_Configuration_Menu();
}
else
{
CdcDemo.state = CDC_DEMO_WAIT;
}
break;
case CDC_DEMO_REENUMERATE:
/* Force MSC Device to re-enumerate */
USBH_ReEnumerate(&hUSBHost);
CdcDemo.state = CDC_DEMO_WAIT;
break;
default:
break;
}
CdcDemo.select &= 0x7F;
if(Appli_state == APPLICATION_DISCONNECT)
{
Appli_state = APPLICATION_IDLE;
LCD_LOG_ClearTextZone();
LCD_ErrLog("CDC device disconnected!\n");
CDC_ChangeSelectMode(CDC_SELECT_MENU);
CdcDemo.state = CDC_DEMO_IDLE;
CdcDemo.select = 0;
}
}
/**
* @brief Manages the menu on the screen.
* @param menu: Menu table
* @param item: Selected item to be highlighted
* @retval None
*/
void CDC_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(17, menu[0]);
BSP_LCD_SetBackColor(LCD_COLOR_BLUE);
BSP_LCD_DisplayStringAtLine(18, menu[1]);
BSP_LCD_DisplayStringAtLine(19, menu[2]);
break;
case 1:
BSP_LCD_SetBackColor(LCD_COLOR_BLUE);
BSP_LCD_DisplayStringAtLine(17, menu[0]);
BSP_LCD_SetBackColor(LCD_COLOR_MAGENTA);
BSP_LCD_DisplayStringAtLine(18, menu[1]);
BSP_LCD_SetBackColor(LCD_COLOR_BLUE);
BSP_LCD_DisplayStringAtLine(19, menu[2]);
break;
case 2:
BSP_LCD_SetBackColor(LCD_COLOR_BLUE);
BSP_LCD_DisplayStringAtLine(17, menu[0]);
BSP_LCD_SetBackColor(LCD_COLOR_BLUE);
BSP_LCD_DisplayStringAtLine(18, menu[1]);
BSP_LCD_SetBackColor(LCD_COLOR_MAGENTA);
BSP_LCD_DisplayStringAtLine(19, menu[2]);
break;
case 3:
BSP_LCD_SetBackColor(LCD_COLOR_BLUE);
BSP_LCD_DisplayStringAtLine(17, menu[1]);
BSP_LCD_SetBackColor(LCD_COLOR_BLUE);
BSP_LCD_DisplayStringAtLine(18, menu[2]);
BSP_LCD_SetBackColor(LCD_COLOR_MAGENTA);
BSP_LCD_DisplayStringAtLine(19, menu[3]);
break;
case 4:
BSP_LCD_SetBackColor(LCD_COLOR_BLUE);
BSP_LCD_DisplayStringAtLine(17, menu[2]);
BSP_LCD_SetBackColor(LCD_COLOR_BLUE);
BSP_LCD_DisplayStringAtLine(18, menu[3]);
BSP_LCD_SetBackColor(LCD_COLOR_MAGENTA);
BSP_LCD_DisplayStringAtLine(19, menu[4]);
break;
default:
BSP_LCD_SetBackColor(LCD_COLOR_BLUE);
BSP_LCD_DisplayStringAtLine(17, menu[0]);
BSP_LCD_DisplayStringAtLine(18, menu[1]);
BSP_LCD_DisplayStringAtLine(19, menu[2]);
break;
}
BSP_LCD_SetBackColor(LCD_COLOR_BLACK);
}
/**
* @brief Changes the selection mode.
* @param select_mode: Selection mode
* @retval None
*/
void CDC_ChangeSelectMode(CDC_DEMO_SelectMode select_mode)
{
if(select_mode == CDC_SELECT_CONFIG)
{
LCD_ClearTextZone();
CDC_SelectItem(DEMO_CONFIGURATION_menu, 0xFF);
CdcSettingsState.select = 0;
CDC_SelectSettingsItem(0);
}
else if(select_mode == CDC_SELECT_FILE)
{
CDC_SelectItem(DEMO_SEND_menu, 0xFF);
CdcSettingsState.select = 0;
}
else if(select_mode == CDC_SELECT_MENU)
{
if(CdcDemo.state == CDC_DEMO_CONFIGURATION)
{
CDC_SelectSettingsItem(0xFF);
CDC_SelectItem(DEMO_CONFIGURATION_menu, 0);
}
if(CdcDemo.state == CDC_DEMO_SEND)
{
CDC_SelectItem(DEMO_SEND_menu, 1);
}
}
CdcSelectMode = select_mode;
CdcDemo.select = 0;
}
/**
* @brief Probes the CDC joystick state.
* @param state: Joystick state
* @retval None
*/
static void CDC_DEMO_ProbeKey(JOYState_TypeDef state)
{
/* Handle Joystick inputs */
if(CdcSelectMode == CDC_SELECT_MENU)
{
if((state == JOY_UP) && (CdcDemo.select > 0))
{
CdcDemo.select--;
}
else if(((CdcDemo.state == CDC_DEMO_WAIT) && (state == JOY_DOWN) && (CdcDemo.select < 3))||
((CdcDemo.state == CDC_DEMO_SEND) && (state == JOY_DOWN) && (CdcDemo.select < 2))||
((CdcDemo.state == CDC_DEMO_RECEIVE) && (state == JOY_DOWN) && (CdcDemo.select < 1))||
((CdcDemo.state == CDC_DEMO_CONFIGURATION) && (state == JOY_DOWN) && (CdcDemo.select < 2)))
{
CdcDemo.select++;
}
else if(state == JOY_SEL)
{
CdcDemo.select |= 0x80;
}
}
else if(CdcSelectMode == CDC_SELECT_CONFIG)
{
CDC_Settings_ProbeKey(state);
}
else if(CdcSelectMode == CDC_SELECT_FILE)
{
CDC_SendFile_ProbeKey(state);
}
}
/**
* @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;
static uint32_t debounce_time = 0;
if(GPIO_Pin == GPIO_PIN_2)
{
/* Get the Joystick State */
JoyState = BSP_JOY_GetState();
CDC_DEMO_ProbeKey(JoyState);
/* Clear joystick interrupt pending bits */
BSP_IO_ITClear(JOY_ALL_PINS);
if((CdcSelectMode == CDC_SELECT_MENU) && (CdcDemo.state != CDC_DEMO_RECEIVE))
{
switch(JoyState)
{
case JOY_LEFT:
LCD_LOG_ScrollBack();
break;
case JOY_RIGHT:
LCD_LOG_ScrollForward();
break;
default:
break;
}
}
}
if(CdcDemo.state == CDC_DEMO_CONFIGURATION)
{
if(GPIO_Pin == KEY_BUTTON_PIN)
{
/* Prevent debounce effect for user key */
if((HAL_GetTick() - debounce_time) > 50)
{
debounce_time = HAL_GetTick();
}
else
{
return;
}
BSP_LCD_SetBackColor(LCD_COLOR_BLACK);
/* Change the selection type */
if(CdcSelectMode == CDC_SELECT_MENU)
{
CDC_ChangeSelectMode(CDC_SELECT_CONFIG);
}
else if(CdcSelectMode == CDC_SELECT_CONFIG)
{
CDC_ChangeSelectMode(CDC_SELECT_MENU);
}
else if(CdcSelectMode == CDC_SELECT_FILE)
{
CDC_ChangeSelectMode(CDC_SELECT_FILE);
}
}
}
if(CdcDemo.state == CDC_DEMO_SEND)
{
if(GPIO_Pin == KEY_BUTTON_PIN)
{
/* Prevent debounce effect for user key */
if((HAL_GetTick() - debounce_time) > 50)
{
debounce_time = HAL_GetTick();
}
else
{
return;
}
if(CdcDemo.Send_state == CDC_SEND_SELECT_FILE)
{
BSP_LCD_SetBackColor(LCD_COLOR_BLACK);
/* Change the selection type */
if(CdcSelectMode == CDC_SELECT_MENU)
{
CDC_ChangeSelectMode(CDC_SELECT_FILE);
}
else if(CdcSelectMode == CDC_SELECT_FILE)
{
LCD_ClearTextZone();
LCD_LOG_UpdateDisplay();
CDC_ChangeSelectMode(CDC_SELECT_MENU);
CdcDemo.Send_state = CDC_SEND_WAIT;
}
}
}
}
}
/**
* @brief Clears the text zone.
* @param None
* @retval None
*/
void LCD_ClearTextZone(void)
{
uint8_t i = 0;
for(i= 0; i < 12; i++)
{
BSP_LCD_ClearStringLine(i + 3);
}
}
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