Renesas R8A66597, Manual

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Renesas USB Device USB Host Mass Storage Class Driver(HMSC)
R01AN0513EJ0110 Rev.1.10 Page 38 of 55
Aug 10, 2011
Table 7.12 R_usb_hmsc_StrgDriveClose()
Name Unmount Drive
Call format uint16_t R_usb_hmsc_StrgDriveClose(uint16_t side)
Arguments uint16_t side Drive number
Return values uint16_t
USBC_DONE Normal end
USBC_ERROR Error end
Description
Unmounts the drive specified by the argument. (The sector information is cleared.)
Other than a common check, an error response occurs in the following case.
When the drive information could not be read successfully from the storage device
Notes
Table 7.13 R_usb_hmsc_StrgReadSector()
Name Read Sector Information
Call format
uint16_t R_usb_hmsc_StrgReadSector(uint16_t side, uint8_t *buff, uint32_t secno,
uint16_t seccnt, uint32_t trans_byte)
uint16_t side
Drive number
uint8_t *buff Read data storage area
uint32_t secno Sector number
uint16_t seccnt Sector count
Arguments
uint32_t trans_byte Transfer data length
Return values uint16_t
USBC_DONE Normal end
USBC_ERROR Error end
Description
Reads the sector information of the drive specified by the argument.
Other than a common check, an error response occurs in the following case.
When the sector information could not be read successfully from the storage device
Notes
Table 7.14 R_usb_hmsc_StrgWriteSector()
Name Write Sector Information
Call format
uint16_t R_usb_hmsc_StrgWriteSector(uint16_t side, uint8_t *buff, uint32_t secno,
uint16_t seccnt, uint32_t trans_byte)
uint16_t side
Drive number
uint8_t *buff Read data storage area
uint32_t secno Sector number
uint16_t seccnt Sector count
Arguments
uint32_t trans_byte Transfer data length
Return values uint16_t
USBC_DONE Normal end
USBC_ERROR Error end
Description
Writes the sector information of the drive specified by the argument.
Other than a common check, an error response occurs in the following case.
When the sector information could not be read successfully from the storage device
Notes