/**
* @brief Changes the selection mode.
* @param select_mode: Selection mode
* @retval None
*/
static void AUDIO_ChangeSelectMode(AUDIO_DEMO_SelectMode select_mode)
{
if(select_mode == AUDIO_SELECT_MENU)
{
AUDIO_SelectItem(AUDIO_main_menu, 0x00);
LCD_LOG_UpdateDisplay();
AudioDemo.state = AUDIO_DEMO_IDLE;
AUDIO_PLAYER_Stop();
}
else if(select_mode == AUDIO_PLAYBACK_CONTROL)
{
LCD_ClearTextZone();
AUDIO_SelectItem(AUDIO_main_menu, 0xFF);
}
AudioSelectMode = select_mode;
AudioDemo.select = 0;
}
/**
* @brief Handles CDC Send Menu.
* @param None
* @retval None
*/
void CDC_Handle_Send_Menu(void)
{
if(CdcSelectMode == CDC_SELECT_MENU)
{
switch(CdcDemo.Send_state)
{
case CDC_SEND_IDLE:
CdcDemo.Send_state = CDC_SEND_WAIT;
CDC_SelectItem (DEMO_SEND_menu, 0);
CdcDemo.select = 0;
PrevPos = 0;
USBH_CDC_Stop(&hUSBHost);
break;
case CDC_SEND_WAIT:
if(CdcDemo.select != PrevSelect)
{
PrevSelect = CdcDemo.select;
CDC_SelectItem (DEMO_SEND_menu, CdcDemo.select & 0x7F);
/* Handle select item */
if(CdcDemo.select & 0x80)
{
switch(CdcDemo.select & 0x7F)
{
case 0:
memset(CDC_TX_Buffer, 0x5A, TX_BUFF_SIZE);
LCD_DbgLog("Sending data ...\n");
USBH_CDC_Transmit(&hUSBHost, CDC_TX_Buffer, TX_BUFF_SIZE);
use_file = 0;
break;
case 1:
if(FileList.ptr > 0)
{
SendFileMenu_Init();
if(FilePos >= 9)
{
CDC_ShowFiles(FileOffset, 9);
}
else
{
CDC_ShowFiles(FileOffset, FilePos);
}
CdcDemo.Send_state = CDC_SEND_SELECT_FILE;
}
else
{
LCD_ErrLog("No file on the microSD\n");
}
break;
case 2: /* Return */
ReturnFromSendMenu();
break;
default:
break;
}
}
}
break;
default:
break;
}
}
else if(CdcSelectMode == CDC_SELECT_FILE)
{
switch(CdcDemo.Send_state)
{
case CDC_SEND_SELECT_FILE:
if(CdcDemo.select & 0x80)
{
CdcDemo.select &= 0x7F;
CdcDemo.Send_state = CDC_SEND_TRANSMIT_FILE;
}
break;
case CDC_SEND_TRANSMIT_FILE:
LCD_DbgLog("Sending file ...\n");
use_file = 1;
CDC_SendFile(FilePos);
CDC_ChangeSelectMode(CDC_SELECT_MENU);
LCD_LOG_UpdateDisplay();
CdcDemo.Send_state = CDC_SEND_WAIT;
break;
default:
break;
}
if(FilePos != PrevPos)
{
if(((FilePos > 9)&&(FilePos > PrevPos)) ||
((FilePos >= 9)&&(FilePos < PrevPos)))
{
if(FilePos > PrevPos)
{
FileOffset++;
}
else
{
FileOffset--;
}
CDC_ShowFiles(FileOffset, 9);
}
else
{
CDC_ShowFiles(0, FilePos);
}
PrevPos = FilePos;
}
}
CdcDemo.select &= 0x7F;
}
/**
* @brief Display previous text frame
* @param None
* @retval Status
*/
ErrorStatus LCD_LOG_ScrollBack(void)
{
if(LCD_ScrollActive == DISABLE)
{
LCD_CacheBuffer_yptr_bottom_bak = LCD_CacheBuffer_yptr_bottom;
LCD_CacheBuffer_yptr_top_bak = LCD_CacheBuffer_yptr_top;
if(LCD_CacheBuffer_yptr_bottom > LCD_CacheBuffer_yptr_top)
{
if ((LCD_CacheBuffer_yptr_bottom - LCD_CacheBuffer_yptr_top) <= YWINDOW_SIZE)
{
LCD_Lock = DISABLE;
return ERROR;
}
}
LCD_ScrollActive = ENABLE;
if((LCD_CacheBuffer_yptr_bottom > LCD_CacheBuffer_yptr_top)&&
(LCD_Scrolled == DISABLE ))
{
LCD_CacheBuffer_yptr_bottom--;
LCD_Scrolled = ENABLE;
}
}
if(LCD_ScrollActive == ENABLE)
{
LCD_Lock = ENABLE;
if(LCD_CacheBuffer_yptr_bottom > LCD_CacheBuffer_yptr_top)
{
if((LCD_CacheBuffer_yptr_bottom - LCD_CacheBuffer_yptr_top) < YWINDOW_SIZE )
{
LCD_Lock = DISABLE;
return ERROR;
}
LCD_CacheBuffer_yptr_bottom --;
}
else if(LCD_CacheBuffer_yptr_bottom <= LCD_CacheBuffer_yptr_top)
{
if((LCD_CACHE_DEPTH - LCD_CacheBuffer_yptr_top + LCD_CacheBuffer_yptr_bottom) < YWINDOW_SIZE)
{
LCD_Lock = DISABLE;
return ERROR;
}
LCD_CacheBuffer_yptr_bottom --;
if(LCD_CacheBuffer_yptr_bottom == 0xFFFF)
{
LCD_CacheBuffer_yptr_bottom = LCD_CACHE_DEPTH - 2;
}
}
LCD_ScrollBackStep++;
LCD_LOG_UpdateDisplay();
LCD_Lock = DISABLE;
}
return SUCCESS;
}
/**
* @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_8)
{
/* Get the Joystick State */
JoyState = BSP_JOY_GetState();
CDC_DEMO_ProbeKey(JoyState);
/* Clear joystick interrupt pending bits */
BSP_IO_ITClear();
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;
}
}
}
}
}
