Renesas REJ10J1837-0100 Guía de instalación descargar pdf (Pagina 14)

USB Basic Firmware <Short Sheet>

R01AN0495EJ0100 Rev.1.00 Page 14 of 32

Apr 15, 2011

MainInit

PCD task

USBC_TRCV_MSG

MainLoop

Return

Wait for

hardware ready

Pin control 1

Software reset

Start oscillator

Pin control 2

Start PCD tak

Register drivers

Set PERI

function

Idle task

Command processing

usb_cstd_WaitUsbip()

usb_cstd_AsspConfig()

usb_cstd_SwReset()

usb_cstd_InitialClock()

usb_cstd_Pinconfig()

R_usb_pstd_PcdOpen()

R_usb_pstd_SmplRegistration()

usb_cstd_SetHwFunction(USBC_PERI)

No

hardware

usbc_cstd_Main

Task

MainInit()

Start Idle task

MainLoop

Return

Initialize

hardware

usb_cstd_TargetInit()

Task processing

flag set?

PCD task

PDCD task

Scheduler

: Processing only nonOS

Figure 3.2 PCD Start Sequence

1 2 ... 9 10 11 12 13 14 15 16 17 18 19 ... 34 35

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