SFM

SFM driver modules 更多...

模块
	SFM_Exported_Constants
	SFM_Private_Functions

函数
void	CRC_SFM_DeInit (void)
	Deinitializes the CRC and SFM peripheral registers to their default reset values. 更多...
uint32_t	SFM_ComputeBit1Number (uint32_t Data)
	Returns the number of bit 1 in a word(32-bit). 更多...
void	SFM_ExpandBits (uint32_t Data, uint32_t *pBuffer, uint32_t ExpandRate)
	Expand a word(32-bit) with specified rate. 更多...
void	SFM_USBPort_DetectConfig (uint32_t SFM_USBP_DETECT, FunctionalState NewState)
	Configure the USB Port state detect function. 更多...
FlagStatus	SFM_USBPort_GetFlagStatus (uint32_t SFM_USBP_FLAG)
	Checks whether the specified USB Port flag is set or not. 更多...
void	SFM_USBPort_ClearFlag (uint32_t SFM_USBP_FLAG)
	Clears the USB Port's pending flags. 更多...

详细描述

SFM driver modules

函数说明

CRC_SFM_DeInit()

void CRC_SFM_DeInit

(

void

)

Deinitializes the CRC and SFM peripheral registers to their default reset values.

返回

None

SFM_ComputeBit1Number()

uint32_t SFM_ComputeBit1Number

(

uint32_t

Data

)

Returns the number of bit 1 in a word(32-bit).

参数

Data	The input data.

返回

The number of bit 1 in a word(32-bit).

SFM_ExpandBits()

void SFM_ExpandBits	(	uint32_t	Data,
		uint32_t *	pBuffer,
		uint32_t	ExpandRate
	)

Expand a word(32-bit) with specified rate.

参数

Data	The input data.
pBuffer	The buffer to save result.
ExpandRate	specifies the expand rate (1 ~ 8).

返回

None.

SFM_USBPort_ClearFlag()

void SFM_USBPort_ClearFlag

(

uint32_t

SFM_USBP_FLAG

)

Clears the USB Port's pending flags.

参数

SFM_USBP_FLAG

specifies the flag to clear. This parameter can be any combination of the following values: SFM_USBP_FLAG_SE0 SFM_USBP_FLAG_JSTAT SFM_USBP_FLAG_KSTAT SFM_USBP_FLAG_SE1

返回

None

SFM_USBPort_DetectConfig()

void SFM_USBPort_DetectConfig	(	uint32_t	SFM_USBP_DETECT,
		FunctionalState	NewState
	)

Configure the USB Port state detect function.

参数

SFM_USBP_DETECT	This parameter can be any combination of the following values: SFM_USBP_DETECT_SE0 SFM_USBP_DETECT_JSTAT SFM_USBP_DETECT_KSTAT SFM_USBP_DETECT_SE1
NewState	new state of the USB Port state detect function. This parameter can be: ENABLE or DISABLE.

返回

None

SFM_USBPort_GetFlagStatus()

FlagStatus SFM_USBPort_GetFlagStatus

(

uint32_t

SFM_USBP_FLAG

)

Checks whether the specified USB Port flag is set or not.

参数

SFM_USBP_FLAG

specifies the flag to check. This parameter can be one of the following values: SFM_USBP_FLAG_SE0 SFM_USBP_FLAG_JSTAT SFM_USBP_FLAG_KSTAT SFM_USBP_FLAG_SE1

返回

The new state of SFM_USBP_FLAG (SET or RESET).