Renesas R8A66597, Руководство пользователя

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Renesas USB Device USB Host Mass Storage Class Driver(HMSC)
R01AN0513EJ0110 Rev.1.10 Page 13 of 55
Aug 10, 2011
3.5 HMSCD Global Area
Table 3.2 lists details of the HMSCD global area.
Table 3.2 HMSCD Global Area
Format Variable Name Description
1 uint16_t usb_ghmsc_AttSts HMSCD operation state
2 USBC_MSC_CBW_t usb_ghmsc_Cbw[USBC_MAXSTRAGE] CBW transmit structure
3 USBC_MSC_CSW_t usb_ghmsc_Csw[USBC_MAXSTRAGE] CSW receive structure
4 uint32_t usb_ghmsc_CswDataResidue[USBC_MAXSTRA
GE] BOT protocol operation result
5 uint32_t usb_ghmsc_CbwTagNo[USBC_MAXSTRAGE] CBW tag data
6 uint8_t usb_ghmsc_AtapiFlag[USBC_MAXSTRAGE] ATAPI/SCSI operation flag
3.6 HMSCD Functions
Table 3.3 lists the functions of HMSCD.
Table 3.3 HMSCD Functions
Function Name Description
1 usb_hmsc_SmpBotDescriptor() Confirms mass storage class and BOT protocol.
2 usb_hmsc_SmpPipeInfo() Makes pipe information table settings.
3 usb_hmsc_NoData() NO DATA command Execution.
4 usb_hmsc_DataIn() RECEIVE DATA command Execution.
5 usb_hmsc_DataOut() TRANSMIT DATA command Execution.
6 usb_hmsc_SetRwCbw() Initializes CBW parameters for READ10 and WRITE10
commands.
7 usb_hmsc_SetElsCbw() Initializes CBW parameters for other commands.
8 usb_hmsc_CbwTagCount() Updates tag information.
9 usb_hmsc_CheckCsw() Checks if new CSW received.
10 R_usb_hmsc_SetDevSts() Sets HMSCD operation state.
11 R_usb_hmsc_GetDevSts() Returns HMSCD operation state.
12 R_usb_hmsc_Information() Checks pipe information table.
13 usb_hmsc_Task HMSC Task