HAL USB HCD Use Cases ¶

prerequisite ¶

This diagram illustrates the prerequisite steps for initializing the system

@startuml
==Prerequisite==
' To add a number by line
'autonumber

' Fix order of each column
participant "User Application" as part1
participant "Driver HCD" as part2
Participant "USB DRD CORE" as part4
participant "System" as part3

part1->part3 : HAL_Init()
part3 --> part1
part1->part3 : Configure system clock

part3 --> part1
part1->part3 : Configure GPIO, NVIC

@enduml

Called functions:

HAL_HCD_Init()

initialization sequence ¶

Called functions:

HAL_HCD_Init()
HAL_HCD_SetConfig()
HAL_HCD_Start()