Data Structures
struct	USB_OTG_CfgTypeDef
	PCD Initialization Structure definition. More...
Modules
	PCD Exported Constants
Enumerations
enum	USB_OTG_ModeTypeDef
	USB Mode definition. More...
enum	USB_OTG_URBStateTypeDef
	URB States definition. More...
enum	USB_OTG_HCStateTypeDef
	Host channel States definition. More...
Functions
HAL_StatusTypeDef	USB_CoreInit (USB_OTG_GlobalTypeDef *USBx, USB_OTG_CfgTypeDef Init)
	Initializes the USB Core.
HAL_StatusTypeDef	USB_DevInit (USB_OTG_GlobalTypeDef *USBx, USB_OTG_CfgTypeDef Init)
	USB_DevInit : Initializes the USB_OTG controller registers for device mode.
HAL_StatusTypeDef	USB_EnableGlobalInt (USB_OTG_GlobalTypeDef *USBx)
	USB_EnableGlobalInt Enables the controller's Global Int in the AHB Config reg.
HAL_StatusTypeDef	USB_DisableGlobalInt (USB_OTG_GlobalTypeDef *USBx)
	USB_DisableGlobalInt Disable the controller's Global Int in the AHB Config reg.
HAL_StatusTypeDef	USB_SetCurrentMode (USB_OTG_GlobalTypeDef *USBx, USB_OTG_ModeTypeDef mode)
	USB_SetCurrentMode : Set functional mode.
HAL_StatusTypeDef	USB_SetDevSpeed (USB_OTG_GlobalTypeDef *USBx, uint8_t speed)
	USB_SetDevSpeed :Initializes the DevSpd field of DCFG register depending the PHY type and the enumeration speed of the device.
HAL_StatusTypeDef	USB_FlushRxFifo (USB_OTG_GlobalTypeDef *USBx)
	USB_FlushRxFifo : Flush Rx FIFO.
HAL_StatusTypeDef	USB_FlushTxFifo (USB_OTG_GlobalTypeDef *USBx, uint32_t num)
	USB_OTG_FlushTxFifo : Flush a Tx FIFO.
HAL_StatusTypeDef	USB_ActivateEndpoint (USB_OTG_GlobalTypeDef USBx, USB_OTG_EPTypeDef ep)
	Activate and configure an endpoint.
HAL_StatusTypeDef	USB_DeactivateEndpoint (USB_OTG_GlobalTypeDef USBx, USB_OTG_EPTypeDef ep)
	De-activate and de-initialize an endpoint.
HAL_StatusTypeDef	USB_ActivateDedicatedEndpoint (USB_OTG_GlobalTypeDef USBx, USB_OTG_EPTypeDef ep)
	Activate and configure a dedicated endpoint.
HAL_StatusTypeDef	USB_DeactivateDedicatedEndpoint (USB_OTG_GlobalTypeDef USBx, USB_OTG_EPTypeDef ep)
	De-activate and de-initialize a dedicated endpoint.
HAL_StatusTypeDef	USB_EPStartXfer (USB_OTG_GlobalTypeDef USBx, USB_OTG_EPTypeDef ep, uint8_t dma)
	USB_EPStartXfer : setup and starts a transfer over an EP.
HAL_StatusTypeDef	USB_EP0StartXfer (USB_OTG_GlobalTypeDef USBx, USB_OTG_EPTypeDef ep, uint8_t dma)
	USB_EP0StartXfer : setup and starts a transfer over the EP 0.
HAL_StatusTypeDef	USB_WritePacket (USB_OTG_GlobalTypeDef USBx, uint8_t src, uint8_t ch_ep_num, uint16_t len, uint8_t dma)
	USB_WritePacket : Writes a packet into the Tx FIFO associated with the EP/channel.
void *	USB_ReadPacket (USB_OTG_GlobalTypeDef USBx, uint8_t dest, uint16_t len)
	USB_ReadPacket : read a packet from the Tx FIFO associated with the EP/channel.
HAL_StatusTypeDef	USB_EPSetStall (USB_OTG_GlobalTypeDef USBx, USB_OTG_EPTypeDef ep)
	USB_EPSetStall : set a stall condition over an EP.
HAL_StatusTypeDef	USB_EPClearStall (USB_OTG_GlobalTypeDef USBx, USB_OTG_EPTypeDef ep)
	USB_EPClearStall : Clear a stall condition over an EP.
HAL_StatusTypeDef	USB_SetDevAddress (USB_OTG_GlobalTypeDef *USBx, uint8_t address)
	USB_SetDevAddress : Stop the USB device mode.
HAL_StatusTypeDef	USB_DevConnect (USB_OTG_GlobalTypeDef *USBx)
	USB_DevConnect : Connect the USB device by enabling the pull-up/pull-down.
HAL_StatusTypeDef	USB_DevDisconnect (USB_OTG_GlobalTypeDef *USBx)
	USB_DevDisconnect : Disconnect the USB device by disabling the pull-up/pull-down.
HAL_StatusTypeDef	USB_StopDevice (USB_OTG_GlobalTypeDef *USBx)
	USB_StopDevice : Stop the USB device mode.
HAL_StatusTypeDef	USB_ActivateSetup (USB_OTG_GlobalTypeDef *USBx)
	Activate EP0 for Setup transactions.
HAL_StatusTypeDef	USB_EP0_OutStart (USB_OTG_GlobalTypeDef USBx, uint8_t dma, uint8_t psetup)
	Prepare the EP0 to start the first control setup.
uint8_t	USB_GetDevSpeed (USB_OTG_GlobalTypeDef *USBx)
	USB_GetDevSpeed :Return the Dev Speed.
uint32_t	USB_GetMode (USB_OTG_GlobalTypeDef *USBx)
	Returns USB core mode.
uint32_t	USB_ReadInterrupts (USB_OTG_GlobalTypeDef *USBx)
	USB_ReadInterrupts: return the global USB interrupt status.
uint32_t	USB_ReadDevAllOutEpInterrupt (USB_OTG_GlobalTypeDef *USBx)
	USB_ReadDevAllOutEpInterrupt: return the USB device OUT endpoints interrupt status.
uint32_t	USB_ReadDevOutEPInterrupt (USB_OTG_GlobalTypeDef *USBx, uint8_t epnum)
	Returns Device OUT EP Interrupt register.
uint32_t	USB_ReadDevAllInEpInterrupt (USB_OTG_GlobalTypeDef *USBx)
	USB_ReadDevAllInEpInterrupt: return the USB device IN endpoints interrupt status.
uint32_t	USB_ReadDevInEPInterrupt (USB_OTG_GlobalTypeDef *USBx, uint8_t epnum)
	Returns Device IN EP Interrupt register.
void	USB_ClearInterrupts (USB_OTG_GlobalTypeDef *USBx, uint32_t interrupt)
	USB_ClearInterrupts: clear a USB interrupt.
HAL_StatusTypeDef	USB_HostInit (USB_OTG_GlobalTypeDef *USBx, USB_OTG_CfgTypeDef cfg)
	USB_HostInit : Initializes the USB OTG controller registers for Host mode.
HAL_StatusTypeDef	USB_InitFSLSPClkSel (USB_OTG_GlobalTypeDef *USBx, uint8_t freq)
	USB_InitFSLSPClkSel : Initializes the FSLSPClkSel field of the HCFG register on the PHY type and set the right frame interval.
HAL_StatusTypeDef	USB_ResetPort (USB_OTG_GlobalTypeDef *USBx)
	USB_OTG_ResetPort : Reset Host Port.
HAL_StatusTypeDef	USB_DriveVbus (USB_OTG_GlobalTypeDef *USBx, uint8_t state)
	USB_DriveVbus : activate or de-activate vbus.
uint32_t	USB_GetHostSpeed (USB_OTG_GlobalTypeDef *USBx)
	Return Host Core speed.
uint32_t	USB_GetCurrentFrame (USB_OTG_GlobalTypeDef *USBx)
	Return Host Current Frame number.
HAL_StatusTypeDef	USB_HC_Init (USB_OTG_GlobalTypeDef *USBx, uint8_t ch_num, uint8_t epnum, uint8_t dev_address, uint8_t speed, uint8_t ep_type, uint16_t mps)
	Initialize a host channel.
HAL_StatusTypeDef	USB_HC_StartXfer (USB_OTG_GlobalTypeDef USBx, USB_OTG_HCTypeDef hc, uint8_t dma)
	Start a transfer over a host channel.
uint32_t	USB_HC_ReadInterrupt (USB_OTG_GlobalTypeDef *USBx)
	Read all host channel interrupts status.
HAL_StatusTypeDef	USB_HC_Halt (USB_OTG_GlobalTypeDef *USBx, uint8_t hc_num)
	Halt a host channel.
HAL_StatusTypeDef	USB_DoPing (USB_OTG_GlobalTypeDef *USBx, uint8_t ch_num)
	Initiate Do Ping protocol.
HAL_StatusTypeDef	USB_StopHost (USB_OTG_GlobalTypeDef *USBx)
	Stop Host Core.

Enumeration Type Documentation

enum USB_OTG_HCStateTypeDef

Host channel States definition.

Definition at line 88 of file stm32l4xx_ll_usb.h.

enum USB_OTG_ModeTypeDef

USB Mode definition.

Definition at line 64 of file stm32l4xx_ll_usb.h.

enum USB_OTG_URBStateTypeDef

URB States definition.

Definition at line 75 of file stm32l4xx_ll_usb.h.

Function Documentation

HAL_StatusTypeDef USB_ActivateDedicatedEndpoint	(	USB_OTG_GlobalTypeDef *	USBx,
		USB_OTG_EPTypeDef *	ep
	)

Activate and configure a dedicated endpoint.

Parameters:

USBx,:	Selected device
ep,:	pointer to endpoint structure

Return values:

HAL status

Definition at line 424 of file stm32l4xx_ll_usb.c.

HAL_StatusTypeDef USB_ActivateEndpoint	(	USB_OTG_GlobalTypeDef *	USBx,
		USB_OTG_EPTypeDef *	ep
	)

Activate and configure an endpoint.

Parameters:

USBx,:	Selected device
ep,:	pointer to endpoint structure

Return values:

HAL status

Definition at line 393 of file stm32l4xx_ll_usb.c.

HAL_StatusTypeDef USB_ActivateSetup ( USB_OTG_GlobalTypeDef * USBx )

Activate EP0 for Setup transactions.

Parameters:

USBx,: Selected device

Return values:

HAL status

Definition at line 997 of file stm32l4xx_ll_usb.c.

void USB_ClearInterrupts	(	USB_OTG_GlobalTypeDef *	USBx,
		uint32_t	interrupt
	)

USB_ClearInterrupts: clear a USB interrupt.

Parameters:

USBx,:	Selected device
interrupt,:	interrupt flag

Return values:

None

Definition at line 973 of file stm32l4xx_ll_usb.c.

HAL_StatusTypeDef USB_CoreInit	(	USB_OTG_GlobalTypeDef *	USBx,
		USB_OTG_CfgTypeDef	cfg
	)

Initializes the USB Core.

Parameters:

USBx,:	USB Instance
cfg,:	pointer to a USB_OTG_CfgTypeDef structure that contains the configuration information for the specified USBx peripheral.

Return values:

HAL status

Definition at line 103 of file stm32l4xx_ll_usb.c.

HAL_StatusTypeDef USB_DeactivateDedicatedEndpoint	(	USB_OTG_GlobalTypeDef *	USBx,
		USB_OTG_EPTypeDef *	ep
	)

De-activate and de-initialize a dedicated endpoint.

Parameters:

USBx,:	Selected device
ep,:	pointer to endpoint structure

Return values:

HAL status

Definition at line 491 of file stm32l4xx_ll_usb.c.

HAL_StatusTypeDef USB_DeactivateEndpoint	(	USB_OTG_GlobalTypeDef *	USBx,
		USB_OTG_EPTypeDef *	ep
	)

De-activate and de-initialize an endpoint.

Parameters:

USBx,:	Selected device
ep,:	pointer to endpoint structure

Return values:

HAL status

Definition at line 467 of file stm32l4xx_ll_usb.c.

HAL_StatusTypeDef USB_DevConnect ( USB_OTG_GlobalTypeDef * USBx )

USB_DevConnect : Connect the USB device by enabling the pull-up/pull-down.

Parameters:

USBx,: Selected device

Return values:

HAL status

Definition at line 873 of file stm32l4xx_ll_usb.c.

HAL_StatusTypeDef USB_DevDisconnect ( USB_OTG_GlobalTypeDef * USBx )

USB_DevDisconnect : Disconnect the USB device by disabling the pull-up/pull-down.

Parameters:

USBx,: Selected device

Return values:

HAL status

Definition at line 886 of file stm32l4xx_ll_usb.c.

HAL_StatusTypeDef USB_DevInit	(	USB_OTG_GlobalTypeDef *	USBx,
		USB_OTG_CfgTypeDef	cfg
	)

USB_DevInit : Initializes the USB_OTG controller registers for device mode.

Parameters:

USBx,:	Selected device
cfg,:	pointer to a USB_OTG_CfgTypeDef structure that contains the configuration information for the specified USBx peripheral.

Return values:

HAL status

Definition at line 180 of file stm32l4xx_ll_usb.c.

HAL_StatusTypeDef USB_DisableGlobalInt ( USB_OTG_GlobalTypeDef * USBx )

USB_DisableGlobalInt Disable the controller's Global Int in the AHB Config reg.

Parameters:

USBx,: Selected device

Return values:

HAL status

Definition at line 139 of file stm32l4xx_ll_usb.c.

HAL_StatusTypeDef USB_DoPing	(	USB_OTG_GlobalTypeDef *	USBx,
		uint8_t	ch_num
	)

Initiate Do Ping protocol.

Parameters:

USBx,:	Selected device
hc_num,:	Host Channel number This parameter can be a value from 1 to 15

Return values:

HAL state

Definition at line 1541 of file stm32l4xx_ll_usb.c.

HAL_StatusTypeDef USB_DriveVbus	(	USB_OTG_GlobalTypeDef *	USBx,
		uint8_t	state
	)

USB_DriveVbus : activate or de-activate vbus.

Parameters:

state,: VBUS state This parameter can be one of these values: 0 : VBUS Active 1 : VBUS Inactive

Return values:

HAL status

Definition at line 1202 of file stm32l4xx_ll_usb.c.

HAL_StatusTypeDef USB_EnableGlobalInt ( USB_OTG_GlobalTypeDef * USBx )

USB_EnableGlobalInt Enables the controller's Global Int in the AHB Config reg.

Parameters:

USBx,: Selected device

Return values:

HAL status

Definition at line 126 of file stm32l4xx_ll_usb.c.

HAL_StatusTypeDef USB_EP0_OutStart	(	USB_OTG_GlobalTypeDef *	USBx,
		uint8_t	dma,
		uint8_t *	psetup
	)

Prepare the EP0 to start the first control setup.

Parameters:

USBx,:	Selected device
dma,:	USB dma enabled or disabled This parameter can be one of these values: 0 : DMA feature not used 1 : DMA feature used
psetup,:	pointer to setup packet

Return values:

HAL status

Definition at line 1022 of file stm32l4xx_ll_usb.c.

HAL_StatusTypeDef USB_EP0StartXfer	(	USB_OTG_GlobalTypeDef *	USBx,
		USB_OTG_EPTypeDef *	ep,
		uint8_t	dma
	)

USB_EP0StartXfer : setup and starts a transfer over the EP 0.

Parameters:

USBx,:	Selected device
ep,:	pointer to endpoint structure
dma,:	USB dma enabled or disabled This parameter can be one of these values: 0 : DMA feature not used 1 : DMA feature used

Return values:

HAL status

Definition at line 639 of file stm32l4xx_ll_usb.c.

HAL_StatusTypeDef USB_EPClearStall	(	USB_OTG_GlobalTypeDef *	USBx,
		USB_OTG_EPTypeDef *	ep
	)

USB_EPClearStall : Clear a stall condition over an EP.

Parameters:

USBx,:	Selected device
ep,:	pointer to endpoint structure

Return values:

HAL status

Definition at line 803 of file stm32l4xx_ll_usb.c.

HAL_StatusTypeDef USB_EPSetStall	(	USB_OTG_GlobalTypeDef *	USBx,
		USB_OTG_EPTypeDef *	ep
	)

USB_EPSetStall : set a stall condition over an EP.

Parameters:

USBx,:	Selected device
ep,:	pointer to endpoint structure

Return values:

HAL status

Definition at line 775 of file stm32l4xx_ll_usb.c.

HAL_StatusTypeDef USB_EPStartXfer	(	USB_OTG_GlobalTypeDef *	USBx,
		USB_OTG_EPTypeDef *	ep,
		uint8_t	dma
	)

USB_EPStartXfer : setup and starts a transfer over an EP.

Parameters:

USBx,:	Selected device
ep,:	pointer to endpoint structure
dma,:	USB dma enabled or disabled This parameter can be one of these values: 0 : DMA feature not used 1 : DMA feature used

Return values:

HAL status

Definition at line 517 of file stm32l4xx_ll_usb.c.

HAL_StatusTypeDef USB_FlushRxFifo ( USB_OTG_GlobalTypeDef * USBx )

USB_FlushRxFifo : Flush Rx FIFO.

Parameters:

USBx,: Selected device

Return values:

HAL status

Definition at line 321 of file stm32l4xx_ll_usb.c.

HAL_StatusTypeDef USB_FlushTxFifo	(	USB_OTG_GlobalTypeDef *	USBx,
		uint32_t	num
	)

USB_OTG_FlushTxFifo : Flush a Tx FIFO.

Parameters:

USBx,:	Selected device
num,:	FIFO number This parameter can be a value from 1 to 15 15 means Flush all Tx FIFOs

Return values:

HAL status

Definition at line 297 of file stm32l4xx_ll_usb.c.

uint32_t USB_GetCurrentFrame ( USB_OTG_GlobalTypeDef * USBx )

Return Host Current Frame number.

Parameters:

USBx,: Selected device

Return values:

current frame number

Definition at line 1243 of file stm32l4xx_ll_usb.c.

uint8_t USB_GetDevSpeed ( USB_OTG_GlobalTypeDef * USBx )

USB_GetDevSpeed :Return the Dev Speed.

Parameters:

USBx,: Selected device

Return values:

speed

: device speed This parameter can be one of these values:

USB_OTG_SPEED_HIGH: High speed mode
USB_OTG_SPEED_FULL: Full speed mode
USB_OTG_SPEED_LOW: Low speed mode

Definition at line 366 of file stm32l4xx_ll_usb.c.

uint32_t USB_GetHostSpeed ( USB_OTG_GlobalTypeDef * USBx )

Return Host Core speed.

Parameters:

USBx,: Selected device

Return values:

speed

: Host speed This parameter can be one of these values:

USB_OTG_SPEED_HIGH: High speed mode
USB_OTG_SPEED_FULL: Full speed mode
USB_OTG_SPEED_LOW: Low speed mode

Definition at line 1230 of file stm32l4xx_ll_usb.c.

uint32_t USB_GetMode ( USB_OTG_GlobalTypeDef * USBx )

Returns USB core mode.

Parameters:

USBx,: Selected device

Return values:

return core mode : Host or Device This parameter can be one of these values: 0 : Host 1 : Device

Definition at line 986 of file stm32l4xx_ll_usb.c.

HAL_StatusTypeDef USB_HC_Halt	(	USB_OTG_GlobalTypeDef *	USBx,
		uint8_t	hc_num
	)

Halt a host channel.

Parameters:

USBx,:	Selected device
hc_num,:	Host Channel number This parameter can be a value from 1 to 15

Return values:

HAL state

Definition at line 1479 of file stm32l4xx_ll_usb.c.

HAL_StatusTypeDef USB_HC_Init	(	USB_OTG_GlobalTypeDef *	USBx,
		uint8_t	ch_num,
		uint8_t	epnum,
		uint8_t	dev_address,
		uint8_t	speed,
		uint8_t	ep_type,
		uint16_t	mps
	)

Initialize a host channel.

Parameters:

USBx,:	Selected device
ch_num	: Channel number This parameter can be a value from 1 to 15
epnum,:	Endpoint number This parameter can be a value from 1 to 15
dev_address,:	Current device address This parameter can be a value from 0 to 255
speed,:	Current device speed This parameter can be one of these values: USB_OTG_SPEED_HIGH: High speed mode USB_OTG_SPEED_FULL: Full speed mode USB_OTG_SPEED_LOW: Low speed mode
ep_type,:	Endpoint Type This parameter can be one of these values: EP_TYPE_CTRL: Control type EP_TYPE_ISOC: Isochronous type EP_TYPE_BULK: Bulk type EP_TYPE_INTR: Interrupt type
mps,:	Max Packet Size This parameter can be a value from 0 to32K

Return values:

HAL state

Definition at line 1272 of file stm32l4xx_ll_usb.c.

uint32_t USB_HC_ReadInterrupt ( USB_OTG_GlobalTypeDef * USBx )

Read all host channel interrupts status.

Parameters:

USBx,: Selected device

Return values:

HAL state

Definition at line 1467 of file stm32l4xx_ll_usb.c.

HAL_StatusTypeDef USB_HC_StartXfer	(	USB_OTG_GlobalTypeDef *	USBx,
		USB_OTG_HCTypeDef *	hc,
		uint8_t	dma
	)

Start a transfer over a host channel.

Parameters:

USBx,:	Selected device
hc,:	pointer to host channel structure
dma,:	USB dma enabled or disabled This parameter can be one of these values: 0 : DMA feature not used 1 : DMA feature used

Return values:

HAL state

Definition at line 1370 of file stm32l4xx_ll_usb.c.

HAL_StatusTypeDef USB_HostInit	(	USB_OTG_GlobalTypeDef *	USBx,
		USB_OTG_CfgTypeDef	cfg
	)

USB_HostInit : Initializes the USB OTG controller registers for Host mode.

Parameters:

USBx,:	Selected device
cfg,:	pointer to a USB_OTG_CfgTypeDef structure that contains the configuration information for the specified USBx peripheral.

Return values:

HAL status

Definition at line 1084 of file stm32l4xx_ll_usb.c.

HAL_StatusTypeDef USB_InitFSLSPClkSel	(	USB_OTG_GlobalTypeDef *	USBx,
		uint8_t	freq
	)

USB_InitFSLSPClkSel : Initializes the FSLSPClkSel field of the HCFG register on the PHY type and set the right frame interval.

Parameters:

USBx,:	Selected device
freq,:	clock frequency This parameter can be one of these values: HCFG_48_MHZ : Full Speed 48 MHz Clock HCFG_6_MHZ : Low Speed 6 MHz Clock

Return values:

HAL status

Definition at line 1156 of file stm32l4xx_ll_usb.c.

uint32_t USB_ReadDevAllInEpInterrupt ( USB_OTG_GlobalTypeDef * USBx )

USB_ReadDevAllInEpInterrupt: return the USB device IN endpoints interrupt status.

Parameters:

USBx,: Selected device

Return values:

HAL status

Definition at line 926 of file stm32l4xx_ll_usb.c.

uint32_t USB_ReadDevAllOutEpInterrupt ( USB_OTG_GlobalTypeDef * USBx )

USB_ReadDevAllOutEpInterrupt: return the USB device OUT endpoints interrupt status.

Parameters:

USBx,: Selected device

Return values:

HAL status

Definition at line 913 of file stm32l4xx_ll_usb.c.

uint32_t USB_ReadDevInEPInterrupt	(	USB_OTG_GlobalTypeDef *	USBx,
		uint8_t	epnum
	)

Returns Device IN EP Interrupt register.

Parameters:

USBx,:	Selected device
epnum,:	endpoint number This parameter can be a value from 0 to 15

Return values:

Device IN EP Interrupt register

Definition at line 956 of file stm32l4xx_ll_usb.c.

uint32_t USB_ReadDevOutEPInterrupt	(	USB_OTG_GlobalTypeDef *	USBx,
		uint8_t	epnum
	)

Returns Device OUT EP Interrupt register.

Parameters:

USBx,:	Selected device
epnum,:	endpoint number This parameter can be a value from 0 to 15

Return values:

Device OUT EP Interrupt register

Definition at line 941 of file stm32l4xx_ll_usb.c.

uint32_t USB_ReadInterrupts ( USB_OTG_GlobalTypeDef * USBx )

USB_ReadInterrupts: return the global USB interrupt status.

Parameters:

USBx,: Selected device

Return values:

HAL status

Definition at line 899 of file stm32l4xx_ll_usb.c.

void* USB_ReadPacket	(	USB_OTG_GlobalTypeDef *	USBx,
		uint8_t *	dest,
		uint16_t	len
	)

USB_ReadPacket : read a packet from the Tx FIFO associated with the EP/channel.

Parameters:

USBx,:	Selected device
src,:	source pointer
ch_ep_num,:	endpoint or host channel number
len,:	Number of bytes to read
dma,:	USB dma enabled or disabled This parameter can be one of these values: 0 : DMA feature not used 1 : DMA feature used

Return values:

pointer to destination buffer

Definition at line 756 of file stm32l4xx_ll_usb.c.

HAL_StatusTypeDef USB_ResetPort ( USB_OTG_GlobalTypeDef * USBx )

USB_OTG_ResetPort : Reset Host Port.

Parameters:

USBx,: Selected device

Return values:

HAL status

Note:: (1)The application must wait at least 10 ms before clearing the reset bit.

Definition at line 1179 of file stm32l4xx_ll_usb.c.

HAL_StatusTypeDef USB_SetCurrentMode	(	USB_OTG_GlobalTypeDef *	USBx,
		USB_OTG_ModeTypeDef	mode
	)

USB_SetCurrentMode : Set functional mode.

Parameters:

USBx,: Selected device

mode,:

current core mode This parameter can be one of these values:

USB_OTG_DEVICE_MODE: Peripheral mode
USB_OTG_HOST_MODE: Host mode
USB_OTG_DRD_MODE: Dual Role Device mode

Return values:

HAL status

Definition at line 155 of file stm32l4xx_ll_usb.c.

HAL_StatusTypeDef USB_SetDevAddress	(	USB_OTG_GlobalTypeDef *	USBx,
		uint8_t	address
	)

USB_SetDevAddress : Stop the USB device mode.

Parameters:

USBx,:	Selected device
address,:	new device address to be assigned This parameter can be a value from 0 to 255

Return values:

HAL status

Definition at line 860 of file stm32l4xx_ll_usb.c.

HAL_StatusTypeDef USB_SetDevSpeed	(	USB_OTG_GlobalTypeDef *	USBx,
		uint8_t	speed
	)

USB_SetDevSpeed :Initializes the DevSpd field of DCFG register depending the PHY type and the enumeration speed of the device.

Parameters:

USBx,: Selected device

speed,:

device speed This parameter can be one of these values:

USB_OTG_SPEED_HIGH: High speed mode
USB_OTG_SPEED_HIGH_IN_FULL: High speed core in Full Speed mode
USB_OTG_SPEED_FULL: Full speed mode
USB_OTG_SPEED_LOW: Low speed mode

Return values:

Hal status

Definition at line 351 of file stm32l4xx_ll_usb.c.

HAL_StatusTypeDef USB_StopDevice ( USB_OTG_GlobalTypeDef * USBx )

USB_StopDevice : Stop the USB device mode.

Parameters:

USBx,: Selected device

Return values:

HAL status

Definition at line 829 of file stm32l4xx_ll_usb.c.

HAL_StatusTypeDef USB_StopHost ( USB_OTG_GlobalTypeDef * USBx )

Stop Host Core.

Parameters:

USBx,: Selected device

Return values:

HAL state

Definition at line 1563 of file stm32l4xx_ll_usb.c.

HAL_StatusTypeDef USB_WritePacket	(	USB_OTG_GlobalTypeDef *	USBx,
		uint8_t *	src,
		uint8_t	ch_ep_num,
		uint16_t	len,
		uint8_t	dma
	)

USB_WritePacket : Writes a packet into the Tx FIFO associated with the EP/channel.

Parameters:

USBx,:	Selected device
src,:	pointer to source buffer
ch_ep_num,:	endpoint or host channel number
len,:	Number of bytes to write
dma,:	USB dma enabled or disabled This parameter can be one of these values: 0 : DMA feature not used 1 : DMA feature used

Return values:

HAL status

Definition at line 728 of file stm32l4xx_ll_usb.c.

USB_Core
[STM32L4xx_HAL]

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[STM32L4xx_HAL]