Collaboration diagram for USB Low Layer Exported Functions:

Modules
	Initialization/de-initialization functions
	Initialization and Configuration functions.

Functions
HAL_StatusTypeDef	USB_CoreInit (USB_OTG_GlobalTypeDef *USBx, USB_OTG_CfgTypeDef cfg)
	Initializes the USB Core. More...

HAL_StatusTypeDef	USB_DevInit (USB_OTG_GlobalTypeDef *USBx, USB_OTG_CfgTypeDef cfg)
	USB_DevInit Initializes the USB_OTG controller registers for device mode. More...

HAL_StatusTypeDef	USB_EnableGlobalInt (USB_OTG_GlobalTypeDef *USBx)
	USB_EnableGlobalInt Enables the controller's Global Int in the AHB Config reg. More...

HAL_StatusTypeDef	USB_DisableGlobalInt (USB_OTG_GlobalTypeDef *USBx)
	USB_DisableGlobalInt Disable the controller's Global Int in the AHB Config reg. More...

HAL_StatusTypeDef	USB_SetTurnaroundTime (USB_OTG_GlobalTypeDef *USBx, uint32_t hclk, uint8_t speed)
	Set the USB turnaround time. More...

HAL_StatusTypeDef	USB_SetCurrentMode (USB_OTG_GlobalTypeDef *USBx, USB_OTG_ModeTypeDef mode)
	USB_SetCurrentMode Set functional mode. More...

HAL_StatusTypeDef	USB_SetDevSpeed (const 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. More...

HAL_StatusTypeDef	USB_FlushRxFifo (USB_OTG_GlobalTypeDef *USBx)
	USB_FlushRxFifo Flush Rx FIFO. More...

HAL_StatusTypeDef	USB_FlushTxFifo (USB_OTG_GlobalTypeDef *USBx, uint32_t num)
	USB_FlushTxFifo Flush a Tx FIFO. More...

HAL_StatusTypeDef	USB_ActivateEndpoint (const USB_OTG_GlobalTypeDef USBx, const USB_OTG_EPTypeDef ep)
	Activate and configure an endpoint. More...

HAL_StatusTypeDef	USB_DeactivateEndpoint (const USB_OTG_GlobalTypeDef USBx, const USB_OTG_EPTypeDef ep)
	De-activate and de-initialize an endpoint. More...

HAL_StatusTypeDef	USB_ActivateDedicatedEndpoint (const USB_OTG_GlobalTypeDef USBx, const USB_OTG_EPTypeDef ep)
	Activate and configure a dedicated endpoint. More...

HAL_StatusTypeDef	USB_DeactivateDedicatedEndpoint (const USB_OTG_GlobalTypeDef USBx, const USB_OTG_EPTypeDef ep)
	De-activate and de-initialize a dedicated endpoint. More...

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. More...

HAL_StatusTypeDef	USB_WritePacket (const 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. More...

void *	USB_ReadPacket (const USB_OTG_GlobalTypeDef USBx, uint8_t dest, uint16_t len)
	USB_ReadPacket : read a packet from the RX FIFO. More...

HAL_StatusTypeDef	USB_EPSetStall (const USB_OTG_GlobalTypeDef USBx, const USB_OTG_EPTypeDef ep)
	USB_EPSetStall : set a stall condition over an EP. More...

HAL_StatusTypeDef	USB_EPClearStall (const USB_OTG_GlobalTypeDef USBx, const USB_OTG_EPTypeDef ep)
	USB_EPClearStall : Clear a stall condition over an EP. More...

HAL_StatusTypeDef	USB_EPStopXfer (const USB_OTG_GlobalTypeDef USBx, USB_OTG_EPTypeDef ep)
	USB_EPStoptXfer Stop transfer on an EP. More...

HAL_StatusTypeDef	USB_SetDevAddress (const USB_OTG_GlobalTypeDef *USBx, uint8_t address)
	USB_SetDevAddress : Stop the usb device mode. More...

HAL_StatusTypeDef	USB_DevConnect (const USB_OTG_GlobalTypeDef *USBx)
	USB_DevConnect : Connect the USB device by enabling Rpu. More...

HAL_StatusTypeDef	USB_DevDisconnect (const USB_OTG_GlobalTypeDef *USBx)
	USB_DevDisconnect : Disconnect the USB device by disabling Rpu. More...

HAL_StatusTypeDef	USB_StopDevice (USB_OTG_GlobalTypeDef *USBx)
	USB_StopDevice : Stop the usb device mode. More...

HAL_StatusTypeDef	USB_ActivateSetup (const USB_OTG_GlobalTypeDef *USBx)
	Activate EP0 for Setup transactions. More...

HAL_StatusTypeDef	USB_EP0_OutStart (const USB_OTG_GlobalTypeDef USBx, uint8_t dma, const uint8_t psetup)
	Prepare the EP0 to start the first control setup. More...

uint8_t	USB_GetDevSpeed (const USB_OTG_GlobalTypeDef *USBx)
	USB_GetDevSpeed Return the Dev Speed. More...

uint32_t	USB_GetMode (const USB_OTG_GlobalTypeDef *USBx)
	Returns USB core mode. More...

uint32_t	USB_ReadInterrupts (USB_OTG_GlobalTypeDef const *USBx)
	USB_ReadInterrupts: return the global USB interrupt status. More...

uint32_t	USB_ReadChInterrupts (const USB_OTG_GlobalTypeDef *USBx, uint8_t chnum)
	USB_ReadChInterrupts: return USB channel interrupt status. More...

uint32_t	USB_ReadDevAllOutEpInterrupt (const USB_OTG_GlobalTypeDef *USBx)
	USB_ReadDevAllOutEpInterrupt: return the USB device OUT endpoints interrupt status. More...

uint32_t	USB_ReadDevOutEPInterrupt (const USB_OTG_GlobalTypeDef *USBx, uint8_t epnum)
	Returns Device OUT EP Interrupt register. More...

uint32_t	USB_ReadDevAllInEpInterrupt (const USB_OTG_GlobalTypeDef *USBx)
	USB_ReadDevAllInEpInterrupt: return the USB device IN endpoints interrupt status. More...

uint32_t	USB_ReadDevInEPInterrupt (const USB_OTG_GlobalTypeDef *USBx, uint8_t epnum)
	Returns Device IN EP Interrupt register. More...

void	USB_ClearInterrupts (USB_OTG_GlobalTypeDef *USBx, uint32_t interrupt)
	USB_ClearInterrupts: clear a USB interrupt. More...

HAL_StatusTypeDef	USB_HostInit (USB_OTG_GlobalTypeDef *USBx, USB_OTG_CfgTypeDef cfg)
	USB_HostInit : Initializes the USB OTG controller registers for Host mode. More...

HAL_StatusTypeDef	USB_InitFSLSPClkSel (const 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. More...

HAL_StatusTypeDef	USB_ResetPort (const USB_OTG_GlobalTypeDef *USBx)
	USB_OTG_ResetPort : Reset Host Port. More...

HAL_StatusTypeDef	USB_DriveVbus (const USB_OTG_GlobalTypeDef *USBx, uint8_t state)
	USB_DriveVbus : activate or de-activate vbus. More...

uint32_t	USB_GetHostSpeed (USB_OTG_GlobalTypeDef const *USBx)
	Return Host Core speed. More...

uint32_t	USB_GetCurrentFrame (USB_OTG_GlobalTypeDef const *USBx)
	Return Host Current Frame number. More...

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. More...

HAL_StatusTypeDef	USB_HC_StartXfer (USB_OTG_GlobalTypeDef USBx, USB_OTG_HCTypeDef hc, uint8_t dma)
	Start a transfer over a host channel. More...

uint32_t	USB_HC_ReadInterrupt (const USB_OTG_GlobalTypeDef *USBx)
	Read all host channel interrupts status. More...

HAL_StatusTypeDef	USB_HC_Halt (const USB_OTG_GlobalTypeDef *USBx, uint8_t hc_num)
	Halt a host channel. More...

HAL_StatusTypeDef	USB_DoPing (const USB_OTG_GlobalTypeDef *USBx, uint8_t ch_num)
	Initiate Do Ping protocol. More...

HAL_StatusTypeDef	USB_StopHost (USB_OTG_GlobalTypeDef *USBx)
	Stop Host Core. More...

HAL_StatusTypeDef	USB_ActivateRemoteWakeup (const USB_OTG_GlobalTypeDef *USBx)
	USB_ActivateRemoteWakeup active remote wakeup signalling. More...

HAL_StatusTypeDef	USB_DeActivateRemoteWakeup (const USB_OTG_GlobalTypeDef *USBx)
	USB_DeActivateRemoteWakeup de-active remote wakeup signalling. More...

Detailed Description

Function Documentation

◆ USB_ActivateDedicatedEndpoint()

HAL_StatusTypeDef USB_ActivateDedicatedEndpoint	(	const USB_OTG_GlobalTypeDef *	USBx,
		const 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 636 of file stm32f4xx_ll_usb.c.

◆ USB_ActivateEndpoint()

HAL_StatusTypeDef USB_ActivateEndpoint	(	const USB_OTG_GlobalTypeDef *	USBx,
		const 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 598 of file stm32f4xx_ll_usb.c.

◆ USB_ActivateRemoteWakeup()

HAL_StatusTypeDef USB_ActivateRemoteWakeup ( const USB_OTG_GlobalTypeDef * USBx )

USB_ActivateRemoteWakeup active remote wakeup signalling.

Parameters

USBx	Selected device

Return values

HAL status

Definition at line 2275 of file stm32f4xx_ll_usb.c.

◆ USB_ActivateSetup()

HAL_StatusTypeDef USB_ActivateSetup ( const USB_OTG_GlobalTypeDef * USBx )

Activate EP0 for Setup transactions.

Parameters

USBx	Selected device

Return values

HAL status

Definition at line 1351 of file stm32f4xx_ll_usb.c.

◆ USB_ClearInterrupts()

void USB_ClearInterrupts	(	USB_OTG_GlobalTypeDef *	USBx,
		uint32_t	interrupt
	)

USB_ClearInterrupts: clear a USB interrupt.

Parameters

USBx	Selected device
interrupt	flag

Return values

None

Definition at line 1328 of file stm32f4xx_ll_usb.c.

◆ USB_CoreInit()

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 83 of file stm32f4xx_ll_usb.c.

◆ USB_DeactivateDedicatedEndpoint()

HAL_StatusTypeDef USB_DeactivateDedicatedEndpoint	(	const USB_OTG_GlobalTypeDef *	USBx,
		const 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 722 of file stm32f4xx_ll_usb.c.

◆ USB_DeactivateEndpoint()

HAL_StatusTypeDef USB_DeactivateEndpoint	(	const USB_OTG_GlobalTypeDef *	USBx,
		const 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 675 of file stm32f4xx_ll_usb.c.

◆ USB_DeActivateRemoteWakeup()

HAL_StatusTypeDef USB_DeActivateRemoteWakeup ( const USB_OTG_GlobalTypeDef * USBx )

USB_DeActivateRemoteWakeup de-active remote wakeup signalling.

Parameters

USBx	Selected device

Return values

HAL status

Definition at line 2293 of file stm32f4xx_ll_usb.c.

◆ USB_DevConnect()

HAL_StatusTypeDef USB_DevConnect ( const USB_OTG_GlobalTypeDef * USBx )

USB_DevConnect : Connect the USB device by enabling Rpu.

Parameters

USBx	Selected device

Return values

HAL status

Definition at line 1189 of file stm32f4xx_ll_usb.c.

◆ USB_DevDisconnect()

HAL_StatusTypeDef USB_DevDisconnect ( const USB_OTG_GlobalTypeDef * USBx )

USB_DevDisconnect : Disconnect the USB device by disabling Rpu.

Parameters

USBx	Selected device

Return values

HAL status

Definition at line 1206 of file stm32f4xx_ll_usb.c.

◆ USB_DevInit()

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 296 of file stm32f4xx_ll_usb.c.

◆ USB_DisableGlobalInt()

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 234 of file stm32f4xx_ll_usb.c.

◆ USB_DoPing()

HAL_StatusTypeDef USB_DoPing	(	const 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 2186 of file stm32f4xx_ll_usb.c.

◆ USB_DriveVbus()

HAL_StatusTypeDef USB_DriveVbus	(	const 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 : Deactivate VBUS 1 : Activate VBUS

Return values

HAL status

Definition at line 1618 of file stm32f4xx_ll_usb.c.

◆ USB_EnableGlobalInt()

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 222 of file stm32f4xx_ll_usb.c.

◆ USB_EP0_OutStart()

HAL_StatusTypeDef USB_EP0_OutStart	(	const USB_OTG_GlobalTypeDef *	USBx,
		uint8_t	dma,
		const 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 1373 of file stm32f4xx_ll_usb.c.

◆ USB_EPClearStall()

HAL_StatusTypeDef USB_EPClearStall	(	const USB_OTG_GlobalTypeDef *	USBx,
		const 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 1104 of file stm32f4xx_ll_usb.c.

◆ USB_EPSetStall()

HAL_StatusTypeDef USB_EPSetStall	(	const USB_OTG_GlobalTypeDef *	USBx,
		const 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 1073 of file stm32f4xx_ll_usb.c.

◆ USB_EPStartXfer()

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 764 of file stm32f4xx_ll_usb.c.

◆ USB_EPStopXfer()

HAL_StatusTypeDef USB_EPStopXfer	(	const USB_OTG_GlobalTypeDef *	USBx,
		USB_OTG_EPTypeDef *	ep
	)

USB_EPStoptXfer Stop transfer on an EP.

Parameters

USBx	usb device instance
ep	pointer to endpoint structure

Return values

HAL status

Definition at line 936 of file stm32f4xx_ll_usb.c.

◆ USB_FlushRxFifo()

HAL_StatusTypeDef USB_FlushRxFifo ( USB_OTG_GlobalTypeDef * USBx )

USB_FlushRxFifo Flush Rx FIFO.

Parameters

USBx	Selected device

Return values

HAL status

Definition at line 510 of file stm32f4xx_ll_usb.c.

◆ USB_FlushTxFifo()

HAL_StatusTypeDef USB_FlushTxFifo	(	USB_OTG_GlobalTypeDef *	USBx,
		uint32_t	num
	)

USB_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 473 of file stm32f4xx_ll_usb.c.

◆ USB_GetCurrentFrame()

uint32_t USB_GetCurrentFrame ( USB_OTG_GlobalTypeDef const * USBx )

Return Host Current Frame number.

Parameters

USBx	Selected device

Return values

current frame number

Definition at line 1662 of file stm32f4xx_ll_usb.c.

◆ USB_GetDevSpeed()

uint8_t USB_GetDevSpeed ( const 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:

USBD_HS_SPEED: High speed mode
USBD_FS_SPEED: Full speed mode

Definition at line 569 of file stm32f4xx_ll_usb.c.

◆ USB_GetHostSpeed()

uint32_t USB_GetHostSpeed ( USB_OTG_GlobalTypeDef const * USBx )

Return Host Core speed.

Parameters

USBx	Selected device

Return values

speed

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

HCD_SPEED_HIGH: High speed mode
HCD_SPEED_FULL: Full speed mode
HCD_SPEED_LOW: Low speed mode

Definition at line 1648 of file stm32f4xx_ll_usb.c.

◆ USB_GetMode()

uint32_t USB_GetMode ( const 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 1341 of file stm32f4xx_ll_usb.c.

◆ USB_HC_Halt()

HAL_StatusTypeDef USB_HC_Halt	(	const 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 2102 of file stm32f4xx_ll_usb.c.

◆ USB_HC_Init()

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 to 32K

Return values

HAL state

Definition at line 1693 of file stm32f4xx_ll_usb.c.

◆ USB_HC_ReadInterrupt()

uint32_t USB_HC_ReadInterrupt ( const USB_OTG_GlobalTypeDef * USBx )

Read all host channel interrupts status.

Parameters

USBx	Selected device

Return values

HAL state

Definition at line 2088 of file stm32f4xx_ll_usb.c.

◆ USB_HC_StartXfer()

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 1825 of file stm32f4xx_ll_usb.c.

◆ USB_HostInit()

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 1446 of file stm32f4xx_ll_usb.c.

◆ USB_InitFSLSPClkSel()

HAL_StatusTypeDef USB_InitFSLSPClkSel	(	const 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 1561 of file stm32f4xx_ll_usb.c.

◆ USB_ReadChInterrupts()

uint32_t USB_ReadChInterrupts	(	const USB_OTG_GlobalTypeDef *	USBx,
		uint8_t	chnum
	)

USB_ReadChInterrupts: return USB channel interrupt status.

Parameters

USBx	Selected device
chnum	Channel number

Return values

USB	Channel Interrupt status

Definition at line 1239 of file stm32f4xx_ll_usb.c.

◆ USB_ReadDevAllInEpInterrupt()

uint32_t USB_ReadDevAllInEpInterrupt ( const USB_OTG_GlobalTypeDef * USBx )

USB_ReadDevAllInEpInterrupt: return the USB device IN endpoints interrupt status.

Parameters

USBx	Selected device

Return values

USB	Device IN EP interrupt status

Definition at line 1271 of file stm32f4xx_ll_usb.c.

◆ USB_ReadDevAllOutEpInterrupt()

uint32_t USB_ReadDevAllOutEpInterrupt ( const USB_OTG_GlobalTypeDef * USBx )

USB_ReadDevAllOutEpInterrupt: return the USB device OUT endpoints interrupt status.

Parameters

USBx	Selected device

Return values

USB	Device OUT EP interrupt status

Definition at line 1255 of file stm32f4xx_ll_usb.c.

◆ USB_ReadDevInEPInterrupt()

uint32_t USB_ReadDevInEPInterrupt	(	const 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 1307 of file stm32f4xx_ll_usb.c.

◆ USB_ReadDevOutEPInterrupt()

uint32_t USB_ReadDevOutEPInterrupt	(	const 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 1289 of file stm32f4xx_ll_usb.c.

◆ USB_ReadInterrupts()

uint32_t USB_ReadInterrupts ( USB_OTG_GlobalTypeDef const * USBx )

USB_ReadInterrupts: return the global USB interrupt status.

Parameters

USBx	Selected device

Return values

USB	Global Interrupt status

Definition at line 1223 of file stm32f4xx_ll_usb.c.

◆ USB_ReadPacket()

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

USB_ReadPacket : read a packet from the RX FIFO.

Parameters

USBx	Selected device
dest	source pointer
len	Number of bytes to read

Return values

pointer to destination buffer

Definition at line 1031 of file stm32f4xx_ll_usb.c.

◆ USB_ResetPort()

HAL_StatusTypeDef USB_ResetPort ( const 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 1591 of file stm32f4xx_ll_usb.c.

◆ USB_SetCurrentMode()

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_DEVICE_MODE Peripheral mode USB_HOST_MODE Host mode

Return values

HAL status

Definition at line 249 of file stm32f4xx_ll_usb.c.

◆ USB_SetDevAddress()

HAL_StatusTypeDef USB_SetDevAddress	(	const 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 1174 of file stm32f4xx_ll_usb.c.

◆ USB_SetDevSpeed()

HAL_StatusTypeDef USB_SetDevSpeed	(	const 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

Return values

Hal status

Definition at line 553 of file stm32f4xx_ll_usb.c.

◆ USB_SetTurnaroundTime()

HAL_StatusTypeDef USB_SetTurnaroundTime	(	USB_OTG_GlobalTypeDef *	USBx,
		uint32_t	hclk,
		uint8_t	speed
	)

Set the USB turnaround time.

Parameters

USBx	USB Instance
hclk	AHB clock frequency

Return values

USB	turnaround time In PHY Clocks number

Definition at line 139 of file stm32f4xx_ll_usb.c.

◆ USB_StopDevice()

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 1133 of file stm32f4xx_ll_usb.c.

◆ USB_StopHost()

HAL_StatusTypeDef USB_StopHost ( USB_OTG_GlobalTypeDef * USBx )

Stop Host Core.

Parameters

USBx	Selected device

Return values

HAL state

Definition at line 2210 of file stm32f4xx_ll_usb.c.

◆ USB_WritePacket()

HAL_StatusTypeDef USB_WritePacket	(	const 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 1000 of file stm32f4xx_ll_usb.c.

Modules

Functions

Detailed Description

Function Documentation

◆ USB_ActivateDedicatedEndpoint()

◆ USB_ActivateEndpoint()

◆ USB_ActivateRemoteWakeup()

◆ USB_ActivateSetup()

◆ USB_ClearInterrupts()

◆ USB_CoreInit()

◆ USB_DeactivateDedicatedEndpoint()

◆ USB_DeactivateEndpoint()

◆ USB_DeActivateRemoteWakeup()

◆ USB_DevConnect()

◆ USB_DevDisconnect()

◆ USB_DevInit()

◆ USB_DisableGlobalInt()

◆ USB_DoPing()

◆ USB_DriveVbus()

◆ USB_EnableGlobalInt()

◆ USB_EP0_OutStart()

◆ USB_EPClearStall()

◆ USB_EPSetStall()

◆ USB_EPStartXfer()

◆ USB_EPStopXfer()

◆ USB_FlushRxFifo()

◆ USB_FlushTxFifo()

◆ USB_GetCurrentFrame()

◆ USB_GetDevSpeed()

◆ USB_GetHostSpeed()

◆ USB_GetMode()

◆ USB_HC_Halt()

◆ USB_HC_Init()

◆ USB_HC_ReadInterrupt()

◆ USB_HC_StartXfer()

◆ USB_HostInit()

◆ USB_InitFSLSPClkSel()

◆ USB_ReadChInterrupts()

◆ USB_ReadDevAllInEpInterrupt()

◆ USB_ReadDevAllOutEpInterrupt()

◆ USB_ReadDevInEPInterrupt()

◆ USB_ReadDevOutEPInterrupt()

◆ USB_ReadInterrupts()

◆ USB_ReadPacket()

◆ USB_ResetPort()

◆ USB_SetCurrentMode()

◆ USB_SetDevAddress()

◆ USB_SetDevSpeed()

◆ USB_SetTurnaroundTime()

◆ USB_StopDevice()

◆ USB_StopHost()

◆ USB_WritePacket()