Contents
adi_flag_ResumeCallbacks .................................................. 7-9
adi_flag_SetTrigger ............................................................. 7-9
Coding Example ..................................................................... 7-9
Initialization ..................................................................... 7-10
Opening a Flag ................................................................. 7-11
Setting Flag Direction ....................................................... 7-11
Controlling an Output Flag .............................................. 7-11
Sensing the Value of a Flag ................................................ 7-12
Installing a Callback Function ........................................... 7-12
Suspending and Resuming Callbacks ................................. 7-13
Removing Callbacks ......................................................... 7-13
Termination ..................................................................... 7-14
Flag Service API Reference .......................................................... 7-15
Notation Conventions ........................................................... 7-15
adi_flag_Clear ....................................................................... 7-16
adi_flag_Close ...................................................................... 7-17
adi_flag_Init ......................................................................... 7-18
adi_flag_Open ...................................................................... 7-20
adi_flag_SetDirection ............................................................ 7-21
adi_flag_Terminate ............................................................... 7-22
adi_flag_Set .......................................................................... 7-23
adi_flag_Toggle ..................................................................... 7-24
adi_flag_Sense ...................................................................... 7-25
adi_flag_InstallCallback ........................................................ 7-26
xvi
VisualDSP++ 5.0 Device Drivers and System
Services Manual for Blackfin Processors
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