Modules
	PCD Exported Constants

	USB Low Layer Exported Macros

	USB Low Layer Exported Functions

Data Structures
struct	USB_OTG_CfgTypeDef
	USB OTG Initialization Structure definition. More...

struct	USB_OTG_EPTypeDef

struct	USB_OTG_HCTypeDef

struct	USB_CfgTypeDef
	USB Initialization Structure definition. More...

struct	USB_EPTypeDef

Enumerations
enum	USB_ModeTypeDef { USB_DEVICE_MODE = 0, USB_HOST_MODE = 1, USB_DRD_MODE = 2, USB_DEVICE_MODE = 0 }
	USB Mode definition. More...

enum	USB_OTG_URBStateTypeDef { URB_IDLE = 0, URB_DONE, URB_NOTREADY, URB_NYET, URB_ERROR, URB_STALL }
	URB States definition. More...

enum	USB_OTG_HCStateTypeDef { HC_IDLE = 0, HC_XFRC, HC_HALTED, HC_NAK, HC_NYET, HC_STALL, HC_XACTERR, HC_BBLERR, HC_DATATGLERR }
	Host channel States definition. More...

enum	USB_ModeTypeDef { USB_DEVICE_MODE = 0, USB_HOST_MODE = 1, USB_DRD_MODE = 2, USB_DEVICE_MODE = 0 }

Detailed Description

Data Structure Documentation

◆ USB_OTG_CfgTypeDef

struct USB_OTG_CfgTypeDef

USB OTG Initialization Structure definition.

Definition at line 86 of file stm32l4xx_ll_usb.h.

Data Fields
uint32_t	battery_charging_enable	Enable or disable Battery charging.
uint32_t	dev_endpoints	Device Endpoints number. This parameter depends on the used USB core. This parameter must be a number between Min_Data = 1 and Max_Data = 15
uint32_t	dma_enable	Enable or disable of the USB embedded DMA used only for OTG HS.
uint32_t	ep0_mps	Set the Endpoint 0 Max Packet size.
uint32_t	Host_channels	Host Channels number. This parameter Depends on the used USB core. This parameter must be a number between Min_Data = 1 and Max_Data = 15
uint32_t	low_power_enable	Enable or disable the low power mode.
uint32_t	lpm_enable	Enable or disable Link Power Management.
uint32_t	phy_itface	Select the used PHY interface. This parameter can be any value of USB_Core_PHY_
uint32_t	Sof_enable	Enable or disable the output of the SOF signal.
uint32_t	speed	USB Core speed. This parameter can be any value of USB_Core_Speed_
uint32_t	use_dedicated_ep1	Enable or disable the use of the dedicated EP1 interrupt.
uint32_t	use_external_vbus	Enable or disable the use of the external VBUS.
uint32_t	vbus_sensing_enable	Enable or disable the VBUS Sensing feature.

◆ USB_OTG_EPTypeDef

struct USB_OTG_EPTypeDef

Definition at line 121 of file stm32l4xx_ll_usb.h.

Data Fields
uint8_t	data_pid_start	Initial data PID This parameter must be a number between Min_Data = 0 and Max_Data = 1
uint32_t	dma_addr	32 bits aligned transfer buffer address
uint8_t	even_odd_frame	IFrame parity This parameter must be a number between Min_Data = 0 and Max_Data = 1
uint8_t	is_in	Endpoint direction This parameter must be a number between Min_Data = 0 and Max_Data = 1
uint8_t	is_stall	Endpoint stall condition This parameter must be a number between Min_Data = 0 and Max_Data = 1
uint32_t	maxpacket	Endpoint Max packet size This parameter must be a number between Min_Data = 0 and Max_Data = 64KB
uint8_t	num	Endpoint number This parameter must be a number between Min_Data = 1 and Max_Data = 15
uint16_t	tx_fifo_num	Transmission FIFO number This parameter must be a number between Min_Data = 1 and Max_Data = 15
uint8_t	type	Endpoint type This parameter can be any value of USB_EP_Type_
uint8_t *	xfer_buff	Pointer to transfer buffer
uint32_t	xfer_count	Partial transfer length in case of multi packet transfer
uint32_t	xfer_len	Current transfer length

◆ USB_OTG_HCTypeDef

struct USB_OTG_HCTypeDef

Definition at line 156 of file stm32l4xx_ll_usb.h.

Data Fields
uint8_t	ch_num	Host channel number. This parameter must be a number between Min_Data = 1 and Max_Data = 15
uint8_t	data_pid	Initial data PID. This parameter must be a number between Min_Data = 0 and Max_Data = 1
uint8_t	dev_addr	USB device address. This parameter must be a number between Min_Data = 1 and Max_Data = 255
uint32_t	dma_addr	32 bits aligned transfer buffer address.
uint8_t	do_ping	Enable or disable the use of the PING protocol for HS mode.
uint8_t	ep_is_in	Endpoint direction This parameter must be a number between Min_Data = 0 and Max_Data = 1
uint8_t	ep_num	Endpoint number. This parameter must be a number between Min_Data = 1 and Max_Data = 15
uint8_t	ep_type	Endpoint Type. This parameter can be any value of USB_EP_Type_
uint32_t	ErrCnt	Host channel error count.
uint16_t	max_packet	Endpoint Max packet size. This parameter must be a number between Min_Data = 0 and Max_Data = 64KB
uint8_t	process_ping	Execute the PING protocol for HS mode.
uint8_t	speed	USB Host speed. This parameter can be any value of USB_Core_Speed_
USB_OTG_HCStateTypeDef	state	Host Channel state. This parameter can be any value of USB_OTG_HCStateTypeDef
uint8_t	toggle_in	IN transfer current toggle flag. This parameter must be a number between Min_Data = 0 and Max_Data = 1
uint8_t	toggle_out	OUT transfer current toggle flag This parameter must be a number between Min_Data = 0 and Max_Data = 1
USB_OTG_URBStateTypeDef	urb_state	URB state. This parameter can be any value of USB_OTG_URBStateTypeDef
uint8_t *	xfer_buff	Pointer to transfer buffer.
uint32_t	xfer_count	Partial transfer length in case of multi packet transfer.
uint32_t	xfer_len	Current transfer length.

◆ USB_CfgTypeDef

struct USB_CfgTypeDef

USB Initialization Structure definition.

Definition at line 220 of file stm32l4xx_ll_usb.h.

Data Fields
uint32_t	battery_charging_enable	Enable or disable Battery charging.
uint32_t	dev_endpoints	Device Endpoints number. This parameter depends on the used USB core. This parameter must be a number between Min_Data = 1 and Max_Data = 15
uint32_t	ep0_mps	Set the Endpoint 0 Max Packet size.
uint32_t	low_power_enable	Enable or disable Low Power mode
uint32_t	lpm_enable	Enable or disable Battery charging.
uint32_t	phy_itface	Select the used PHY interface. This parameter can be any value of USB_Core_PHY
uint32_t	Sof_enable	Enable or disable the output of the SOF signal.
uint32_t	speed	USB Core speed. This parameter can be any value of USB_Core_Speed

◆ USB_EPTypeDef

struct USB_EPTypeDef

Definition at line 243 of file stm32l4xx_ll_usb.h.

Data Fields
uint8_t	data_pid_start	Initial data PID This parameter must be a number between Min_Data = 0 and Max_Data = 1
uint8_t	doublebuffer	Double buffer enable This parameter can be 0 or 1
uint8_t	is_in	Endpoint direction This parameter must be a number between Min_Data = 0 and Max_Data = 1
uint8_t	is_stall	Endpoint stall condition This parameter must be a number between Min_Data = 0 and Max_Data = 1
uint32_t	maxpacket	Endpoint Max packet size This parameter must be a number between Min_Data = 0 and Max_Data = 64KB
uint8_t	num	Endpoint number This parameter must be a number between Min_Data = 1 and Max_Data = 15
uint16_t	pmaaddr0	PMA Address0 This parameter can be any value between Min_addr = 0 and Max_addr = 1K
uint16_t	pmaaddr1	PMA Address1 This parameter can be any value between Min_addr = 0 and Max_addr = 1K
uint16_t	pmaadress	PMA Address This parameter can be any value between Min_addr = 0 and Max_addr = 1K
uint16_t	tx_fifo_num	This parameter is not required by USB Device FS peripheral, it is used only by USB OTG FS peripheral This parameter is added to ensure compatibility across USB peripherals
uint8_t	type	Endpoint type This parameter can be any value of USB_EP_Type
uint8_t *	xfer_buff	Pointer to transfer buffer
uint32_t	xfer_count	Partial transfer length in case of multi packet transfer
uint32_t	xfer_len	Current transfer length

Enumeration Type Documentation

◆ USB_ModeTypeDef [1/2]

enum USB_ModeTypeDef

USB Mode definition.

Enumerator
USB_DEVICE_MODE
USB_HOST_MODE
USB_DRD_MODE
USB_DEVICE_MODE

Definition at line 47 of file stm32l4xx_ll_usb.h.

 {
   USB_DEVICE_MODE  = 0,
   USB_HOST_MODE    = 1,
   USB_DRD_MODE     = 2
 } USB_ModeTypeDef;

◆ USB_ModeTypeDef [2/2]

enum USB_ModeTypeDef

Enumerator
USB_DEVICE_MODE
USB_HOST_MODE
USB_DRD_MODE
USB_DEVICE_MODE

Definition at line 212 of file stm32l4xx_ll_usb.h.

 {
   USB_DEVICE_MODE  = 0
 } USB_ModeTypeDef;

◆ USB_OTG_HCStateTypeDef

enum USB_OTG_HCStateTypeDef

Host channel States definition.

Enumerator
HC_IDLE
HC_XFRC
HC_HALTED
HC_NAK
HC_NYET
HC_STALL
HC_XACTERR
HC_BBLERR
HC_DATATGLERR

Definition at line 70 of file stm32l4xx_ll_usb.h.

 {
   HC_IDLE = 0,
   HC_XFRC,
   HC_HALTED,
   HC_NAK,
   HC_NYET,
   HC_STALL,
   HC_XACTERR,
   HC_BBLERR,
   HC_DATATGLERR
 } USB_OTG_HCStateTypeDef;

◆ USB_OTG_URBStateTypeDef

enum USB_OTG_URBStateTypeDef

URB States definition.

Enumerator
URB_IDLE
URB_DONE
URB_NOTREADY
URB_NYET
URB_ERROR
URB_STALL

Definition at line 57 of file stm32l4xx_ll_usb.h.

 {
   URB_IDLE = 0,
   URB_DONE,
   URB_NOTREADY,
   URB_NYET,
   URB_ERROR,
   URB_STALL
 } USB_OTG_URBStateTypeDef;

Modules

Data Structures

Enumerations