PPI - Parallel Peripheral Interface

Files
file	otPPI.h
	PPI Library for BF51x.
Modules
	Version History
Functions
void	PPI_CamInit (U8 busSize, bool pci)
void	PPI_CamStart ()
void	PPI_CamStop ()
void	PPI_CamGrabArm (U16 xSize, U16 ySize, U32 frames, bool word, void *data, bool pixClockInvert)
void	PPI_CamGrab (U16 xSize, U16 ySize, U32 frames, bool word, void *data)
void	PPI_CamGrabStart (U16 xSize, U16 ySize, U32 frames, bool word, void *data)
void	PPI_CamGrabWait ()
bool	PPI_CamGrabIsDone ()

---

Detailed Description

Dependency:
PORT - Procedure for parallel port usage

---

Function Documentation

void PPI_CamGrab (  U16  xSize, U16  ySize, U32  frames, bool  word, void *  data )

Init PPI registers for the image grab and wait a complete grab Parameters: xSize  Horizontal image pixel ySize  Vertical image pixel frames  Stack size or number of frames word  True if bus size if greather then 8 bit data  Where to store read data

void PPI_CamGrabArm (  U16  xSize, U16  ySize, U32  frames, bool  word, void *  data, bool  pixClockInvert )

Init PPI registers for the image grab Parameters: xSize  Horizontal image pixel ySize  Vertical image pixel frames  Stack size or number of frames word  True if bus size if greather then 8 bit data  Where to store read data pixClockInvert  If true pixel clock used to sample pixel data work on falling edge

bool PPI_CamGrabIsDone (   )

Return true if the grab is done. Returns: True on grab done

void PPI_CamGrabStart (  U16  xSize, U16  ySize, U32  frames, bool  word, void *  data )

Init PPI registers for the image grab, start the grab but don't wait the completion of the grab Parameters: xSize  Horizontal image pixel ySize  Vertical image pixel frames  Stack size or number of frames word  True if bus size if greather then 8 bit data  Where to store read data

void PPI_CamGrabWait (   )

Wait the completion of the grab

void PPI_CamInit (  U8  busSize, bool  pci )

Init PPI to grab a CMOS image sensor output with a parallel bus with 3 sync signals Parameters: busSize  Bus width, 8,10 or 12 bit pci  If true invert pixel clock sampling edge

void PPI_CamStart (   )

Enable PPI read

void PPI_CamStop (   )

Stop PPI read

otStudio - Library Reference - (C) 2020-25 Officina Turini, All Rights Reserved
Document built with Doxygen 1.4.0