Renesas REJ10J1837-0100 Guia de Instalação descarregar pdf (Página 30)

USB Basic Firmware <Short Sheet>

R01AN0495EJ0100 Rev.1.00 Page 30 of 32

Apr 15, 2011

Callback devconfig

R_usb2_hstd_SmplOpen()

Callback Classcheck

R_usb2_hstd_SmplClassCheck

MGR/HCD

GET_DESCRIPTOR

Enumeration

usb2_hstd_MainInit

Driver registration

(Requisite HDCD registration)

MGR/HCD Start

CallbackRegistration()

USB device connection

(Attach detection)

Reset

usb2_hstd_MainTask()

SET_CONFIGURATION

usb2_hstd_MainLoop()

USB device

Task processing

flag set?

Return

usb2_hstd_MainLoop()

Yes

usb2_hstd_HcdTask

usb2_hstd_MgrTask

usb2_hhub_Task

usb2_hcls_SmplTask

R_usbc_cstd_Scheduler()

HDCD

usb2_hcls_SmpTask()

USBC_MSG_CLS_CHC

EKREQUEST

USBC_MSG_CLS_INIT

Return

usb2_hcls_SmplInit()

Initialize a Data area

Data transfer

Usb2_hstd_MainTask()

Data transfer

R_usb2_hstd_TransferStart()

Data transfer

USBC_MSG_CLS_TASK

Callback Complete

usb2_hstd_SmplPipeTransferResult

USBC_MSG_CLS_CHCEKREQUEST

USBC_MSG_CLS_INIT USBC_MSG_CLS_TASK

usb2_hcls_SmplEnue()

Enumeration

rcv_msg?

usb_hstd_SmplPipeTransfer() usb_hstd_SmplPipeTransfer()

Fig. 4.3 Sequence Outline for Host Sample application

1 2 ... 25 26 27 28 29 30 31 32 33 34 35

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