USB Host Mass Storage Driver Exported Functions

Collaboration diagram for USB Host Mass Storage Driver Exported Functions:

Functions
int32_t	USBH_MassInit (void)
	Initialize USB Host Mass Storage driver. More...
int32_t	USBH_MassGetDiskList (mass_disk_t *dlist[], int max)
	Obtain the list of currently connected USB Mass Storage disk. More...
int32_t	USBH_MassRawRead (mass_disk_t *disk, uint32_t sectorN, int32_t scnt, uint8_t *buff)
	Read raw data from connected USB Mass Storage disk. More...
int32_t	USBH_MassRawWrite (mass_disk_t *disk, uint32_t sectorN, int32_t scnt, uint8_t *buff)
	Write raw data to connected USB Mass Storage disk. More...

Detailed Description

Function Documentation

USBH_MassGetDiskList()

int32_t USBH_MassGetDiskList	(	mass_disk_t *	dlist[],
		int	max
	)

Obtain the list of currently connected USB Mass Storage disk.

Parameters

[out]	dlist	An array of disk pointer.
[in]	max	Maximum avalable entries of dlist.

Returns

Number of disk found.

Return values

0	No disk found
Otherwise	Number of disk

Definition at line 587 of file UmasDriver.c.

USBH_MassInit()

int32_t USBH_MassInit

(

void

)

Initialize USB Host Mass Storage driver.

Returns

Success or not.

Return values

0	Success
Otherwise	Failed

Definition at line 564 of file UmasDriver.c.

Here is the call graph for this function:

USBH_MassRawRead()

int32_t USBH_MassRawRead	(	mass_disk_t *	disk,
		uint32_t	sectorN,
		int32_t	scnt,
		uint8_t *	buff
	)

Read raw data from connected USB Mass Storage disk.

Parameters

[in]	disk	The disk pointer.
[in]	sectorN	The logical sector number to be read.
[in]	scnt	Number of continuous sectors to be read.
[out]	buff	Data buffer used to hold data read from device.

Returns

Success or not.

Return values

0	Success
-1	Failed

Definition at line 463 of file Umas_FATFS.c.

USBH_MassRawWrite()

int32_t USBH_MassRawWrite	(	mass_disk_t *	disk,
		uint32_t	sectorN,
		int32_t	scnt,
		uint8_t *	buff
	)

Write raw data to connected USB Mass Storage disk.

Parameters

[in]	disk	The disk pointer.
[in]	sectorN	The logical sector number to be written.
[in]	scnt	Number of continuous sectors to be written.
[in]	buff	Data to be written to device.

Returns

Success or not.

Return values

0	Success
-1	Failed

Definition at line 493 of file Umas_FATFS.c.