Usb VCP device module. More...

Collaboration diagram for USBD_CDC_IF:

Topics
	USBD_CDC_IF_Private_TypesDefinitions
	Private types.
	USBD_CDC_IF_Private_Defines
	Private defines.
	USBD_CDC_IF_Private_Macros
	Private macros.
	USBD_CDC_IF_Private_Variables
	Private variables.
	USBD_CDC_IF_Exported_Variables
	Public variables.
	USBD_CDC_IF_Private_FunctionPrototypes
	Private functions declaration.
	USBD_CDC_IF_Exported_Defines
	Defines.
	USBD_CDC_IF_Exported_Types
	Types.
	USBD_CDC_IF_Exported_Macros
	Aliases.
	USBD_CDC_IF_Exported_FunctionsPrototype
	Public functions declaration.

Functions
uint8_t	CDC_Transmit_HS (uint8_t *Buf, uint16_t Len)
	Data to send over USB IN endpoint are sent over CDC interface through this function.
bool	usb_configured (void)
bool	usb_terminal_open (void)
void	usb_bootloader_check (void)

Variables
USBD_CDC_ItfTypeDef	USBD_Interface_fops_HS
	CDC Interface callback.

Detailed Description

Usb VCP device module.

Function Documentation

◆ CDC_Transmit_HS()

uint8_t CDC_Transmit_HS	(	uint8_t *	Buf,
		uint16_t	Len )

Data to send over USB IN endpoint are sent over CDC interface through this function.

Parameters

Buf	Buffer of data to be sent
Len	Number of data to be sent (in bytes)

Return values

Result of the operation: USBD_OK if all operations are OK else USBD_FAIL or USBD_BUSY

Definition at line 283 of file usbd_cdc_if.c.

References hUsbDeviceHS, NULL, result, USBD_CDC_HandleTypeDef::TxState, usb_terminal_open(), USBD_BUSY, USBD_CDC_SetTxBuffer(), USBD_CDC_TransmitPacket(), USBD_FAIL, and USBD_OK.

◆ usb_bootloader_check()

void usb_bootloader_check ( void )

Definition at line 343 of file usbd_cdc_if.c.

References __HAL_RCC_RTC_CLK_ENABLE, __set_MSP(), BOOTLOADER_ADDR, BOOTLOADER_MAGIC, HAL_PWR_EnableBkUpAccess(), and RTC.

Referenced by main().

◆ usb_configured()

bool usb_configured ( void )

Definition at line 325 of file usbd_cdc_if.c.

References hUsbDeviceHS, and USBD_STATE_CONFIGURED.

Referenced by board_sleep(), and usb_terminal_open().

◆ usb_terminal_open()

bool usb_terminal_open ( void )

Definition at line 330 of file usbd_cdc_if.c.

References g_usb_terminal_connected, and usb_configured().

Referenced by CDC_Transmit_HS().

Variable Documentation

◆ USBD_Interface_fops_HS

USBD_CDC_ItfTypeDef USBD_Interface_fops_HS

Initial value:

=
{
  CDC_Init_HS,
  CDC_DeInit_HS,
  CDC_Control_HS,
  CDC_Receive_HS,
  CDC_TransmitCplt_HS
}

CDC Interface callback.

Definition at line 145 of file usbd_cdc_if.c.

Referenced by MX_USB_DEVICE_Init().

Topics

Functions

Variables