Renesas R8A66597, Руководство пользователя

Страница: 24 / 59

Renesas USB Device USB Host Mass Storage Class Driver
R01AN0513EJ0110 Rev.1.10 Page 24 of 55
Aug 10, 2011
Table 4.9 R_usb_ hmsc_GetMaxUnit()
Name GetMaxUnit Request Execution
Call format uint16_t R_usb_ hmsc_GetMaxUnit(uint16_t addr) : for uITRON
Arguments uint16_t addr Device address
Return values uint16_t
USBC_DONE GetMaxLUN not supported
USBC_ERROR Error end
Other Max unit count
Call format
USBC_ER_t R_usb_ hmsc_GetMaxUnit(uint16_t addr, USBC_CB_t complete) : for non-
OS
uint16_t addr
Device address
Arguments
USBC_CB_t complete Callback function
Return values USBC_ER_t
USBC_E_OK GetMaxLUN request is
executed
USBC_E_ERROR Error
end
USBC_E_QOVR Error end
Description GetMaxUnit request is executed to get the max unit count.
Notes
Table 4.10 R_usb_hmsc_MassStorageReset()
Name MassStorageReset Request Execution
Call format uint16_t R_usb_hmsc_MassStorageReset(uint16_t drvnum) : for uITRON
Arguments uint16_t drvnum Drive number
Return values uint16_t USBC_DONE Normal end
Call format
USBC_ER_t R_usb_hmsc_MassStorageReset(uint16_t drvnum, USBC_CB_t
complete) : for nonOS
uint16_t drvnum
Drive number
Arguments
USBC_CB_t complete Callback function
Return values USBC_ER_t
USBC_E_OK MassStorageReset request is
executed
USBC_E_ERROR Error
end
USBC_E_QOVR Error end
Description MASS_STORAGE_RESET request is executed to cancel a protocol error.
Notes
Table 4.11 usb_hmsc_TransResult()
Name HCD Data Communication Result Call-Back
Call format void usb_hmsc_TransResult(USBC_UTR_t *mess)
Arguments USBC_UTR_t *mess Message to transmit to own task
Return values void
Description Uses the SND_MSG system call to transmit the argument to the driver’s own task.
Notes