www.pudn.com > SEEDVPM642_loop2.rar > vportcap.h

 
#include  
#include  
#include  
 
 
/*******************************************************************/ 
/* Function : bt656_8bit_ncfc 									   */ 
/* Input(s) : portNumber, video port number i.e. 0, 1 or 2.        */ 
/* Description : Configures given video port for 8.bit BT.656 non. */ 
/* continuos frame capture on channel A.                           */ 
/*******************************************************************/ 
VP_Handle bt656_8bit_ncfc( int portNumber); 
/*******************************************************************/ 
/* Function : bt656_capture_start    							   */ 
/* Input(s) : VP_handle									           */ 
/* Description : Configures given video port for 8.bit BT.656 non. */ 
/* continuos frame capture on channel A.                           */ 
/*******************************************************************/ 
void bt656_capture_start(VP_Handle videoHandle); 
/*................................................................ */ 
/* Function : VPCapChaAIsr */ 
/* Description : This capture ISR clears FRMC to continue capture */ 
/* in this non.continuous mode and also clears other */ 
/* status bits. */ 
/*................................................................ */ 
interrupt void VPCapChaAIsr(void); 
/*................................................................ */ 
/* Function : setupVPCapChaAEDMA(Int32 portNumber) */ 
/* Input(s) : portNumber, video port number i.e. 0, 1 or 2. */ 
/* Description : Sets up EDMA channels for Y, U, V events for */ 
/* channel A capture. */ 
/*................................................................ */ 
void setupVPCapChaAEDMA(int portNumber); 
/*................................................................ */ 
/* Function : configVPCapEDMAChannel */ 
/* */ 
/* Input(s) : edmaHandle . pointer to EDMA handle. */ 
/* eventId . EDMA eventId. */ 
/* tccNum . pointer to transfer complete number. */ 
/* srcAddr . source address for EDMA transfer. */ 
/* dstAddr . destination address for EDMA transfer */ 
/* frameCount . frame count. */ 
/* elementCount . element count(32.bit element size). */ 
/* */ 
/* Output(s): edmaHandle . edma Handle of the given event. */ 
/* tccNum . transfer complete code for the given */ 
/* event. */ 
/* */ 
/* Description : Configures the given VP capture EDMA channel. */ 
/* The source address update is fixed address mode */ 
/* because the captured data is read from the FIFO. */ 
/* In this example, the destination address mode is */ 
/* auto.increment. But, in real.time applications */ 
/* there is lot of flexibility in the way capture */ 
/* buffers can be managed like ping.pong and round */ 
/* robin,¡­etc. */ 
/*................................................................ */ 
void configVPCapEDMAChannel(EDMA_Handle *edmaHandle, Int32 eventId, 
							Int32 *tccNum, Uint32 srcAddr, 
							Uint32 dstAddr, Uint32 frameCount, 
							Uint32 elementCount);