DVD

开发平台：
C/C++

irp.c：源码内容
							#include <gendef.h>
#include <stblast.h>
#include <stcommon.h>
#include <string.h>
#include <sti5105.h>
#include <swconfig.h>
#include <stsys.h>
#include "irp.h"
#include "osp.h"
/******************************************************************************
*                        Extern variables
******************************************************************************/
extern void IRCEvtCallback
(
	STEVT_CallReason_t Reason,
	const ST_DeviceName_t RegistrantName,
	STEVT_EventConstant_t Event,
	const void *EventData,
	const void *SubscriberData_p
);
/******************************************************************************
*                        Local variables
******************************************************************************/
static ST_DeviceName_t  BLAST_DeviceName = {"RX"};
ST_ClockInfo_t			ST_ClockInfo;
static ST_DeviceName_t  EvtblastDeviceName = "EVTBlast";
extern partition_t		*SystemPartition;
STBLAST_Handle_t		BLAST_Handle;
UINT32					BlasterSemaphore_p;
static STEVT_Handle_t	IrEvtHandle;
UINT32 blaster_EvtInit(void)
{
	ST_ErrorCode_t error = ST_NO_ERROR;
	STEVT_InitParams_t EVTInitParams;
	STEVT_OpenParams_t EVTOpenParams;
	EVTInitParams.EventMaxNum = EVT_MAX_EVENTS;
	EVTInitParams.ConnectMaxNum = EVT_MAX_CONNECTIONS;
	EVTInitParams.SubscrMaxNum = EVT_MAX_SUBSCRIBERS;
	EVTInitParams.MemoryPartition = SystemPartition;
	error = STEVT_Init(EvtblastDeviceName, &EVTInitParams);
	if (error == ST_NO_ERROR)
	{
		error = STEVT_Open(EvtblastDeviceName, &EVTOpenParams,&IrEvtHandle);
		if(error != ST_NO_ERROR)
		{
			STTBX_Print(("STEVT_Open for blast failed"));
			return RETFIAL1;
		}
	}
	else
	{
		STTBX_Print(("STEVT_Init for blast failed"));
		return RETFIAL1;
	}
	return RETOK;
}
UINT32 blaster_Init(void)
{
    ST_ErrorCode_t  error;
	STBLAST_InitParams_t BLASTInitParams;
    STBLAST_OpenParams_t BlastOpenParams;
    STEVT_DeviceSubscribeParams_t   EvtSubParams;
    STBLAST_Protocol_t              Protocol;
    STBLAST_ProtocolParams_t        ProtocolParams;
    memset(&BLASTInitParams, 0, sizeof(STBLAST_InitParams_t));
    memset(&BlastOpenParams, 0, sizeof(STBLAST_OpenParams_t));
	memset(&ProtocolParams, 0, sizeof(STBLAST_ProtocolParams_t));
	
	ST_GetClockInfo(&ST_ClockInfo);    
    
    /* General parameter for blaster initialization */
    /* Parameters for IR receiver */
    BLASTInitParams.DeviceType			= STBLAST_DEVICE_IR_RECEIVER;
    BLASTInitParams.DriverPartition		= SystemPartition;
    BLASTInitParams.ClockSpeed			= BLAST_CLOCK_FREQUENCY;
    BLASTInitParams.SymbolBufferSize	= SYMBOL_BUFFER_SIZE;
    BLASTInitParams.BaseAddress         = (U32 *)IRB_BASE_ADDRESS;
    BLASTInitParams.InterruptNumber		= IRB_INTERRUPT;
    BLASTInitParams.InterruptLevel      = IRB_INTERRUPT_LEVEL;
    BLASTInitParams.InputActiveLow      = TRUE;
    strcpy(BLASTInitParams.EVTDeviceName, EvtblastDeviceName);
    strcpy(BLASTInitParams.RxPin.PortName, BLAST_RXD_PIO);
	
    BLASTInitParams.RxPin.BitMask = BLAST_RXD_BIT;
    error = STBLAST_Init(BLAST_DeviceName, &BLASTInitParams);
	if (error != ST_NO_ERROR)
	{
		STTBX_Print(("nSTBLAST_Init Error,Code=0x%x",error));
		return RETFIAL1;
	}
    BlastOpenParams.RxParams.GlitchWidth = 0;
    error = STBLAST_Open(BLAST_DeviceName, &BlastOpenParams, &BLAST_Handle);
	if (error != ST_NO_ERROR)
	{
		STTBX_Print(("nSTBLAST_Open Error"));
		return RETFIAL1;
	}
    /* Subscribe to the relevant blaster events */
    memset(&EvtSubParams, 0, sizeof(EvtSubParams));
    EvtSubParams.NotifyCallback = IRCEvtCallback;
    error = STEVT_SubscribeDeviceEvent(IrEvtHandle,
                               BLAST_DeviceName,
                               STBLAST_READ_DONE_EVT,
                               &EvtSubParams);
	if (error != ST_NO_ERROR)
	{
		STTBX_Print(("IRC Sbscribe Event Error"));
	}
	
	KB_OSPSemInit("BLAS", 0, J_OSP_WAIT_FIFO, &BlasterSemaphore_p);
	
	/* Config the protocol */
#if defined (PROTOCOL_RC6A)
    Protocol                                        = STBLAST_PROTOCOL_RC6A;
    ProtocolParams.RC6A.CustomerCode                = 0x00000000;
    ProtocolParams.RC6A.BufferElementsPerPayload    = 1; /* not used yet */
    ProtocolParams.RC6A.NumberPayloadBits           = 12;
	error = STBLAST_SetProtocol(BLAST_Handle, Protocol, &ProtocolParams);
#elif defined (PROTOCOL_RC6_MODE0)
	Protocol                                        = STBLAST_PROTOCOL_RC6_MODE0;
    ProtocolParams.RC6A.CustomerCode                = 39;
    ProtocolParams.RC6A.BufferElementsPerPayload    = 1; /* not used yet */
    ProtocolParams.RC6A.NumberPayloadBits           = 8;
	error = STBLAST_SetProtocol(BLAST_Handle, Protocol, &ProtocolParams);
#elif defined (PROTOCOL_RC5)   /* protocol params is not required for the RC5 */
    Protocol                                        = STBLAST_PROTOCOL_RC5;
memset(&ProtocolParams, 0, sizeof(STBLAST_ProtocolParams_t));
	error = STBLAST_SetProtocol(BLAST_Handle, Protocol, &ProtocolParams);
#elif defined (PROTOCOL_USER_DEFINED)
	Protocol = STBLAST_PROTOCOL_USER_DEFINED;
	/*----------------- NEC Remote Control ------------------*/
    ProtocolParams.UserDefined.Coding = STBLAST_CODING_SPACE;
    ProtocolParams.UserDefined.SubCarrierFreq     = 38000;
    ProtocolParams.UserDefined.NumberStartSymbols = 1;
    ProtocolParams.UserDefined.NumberStopSymbols  = 0;
#if defined(ST_7100)   
    /* for 7100 the received value tolerence is diffrent
      depends on receiver */ 
    ProtocolParams.UserDefined.HighDataSymbol.MarkPeriod   = 600;
    ProtocolParams.UserDefined.HighDataSymbol.SymbolPeriod = 2240;
    ProtocolParams.UserDefined.LowDataSymbol.MarkPeriod    = 600;
    ProtocolParams.UserDefined.LowDataSymbol.SymbolPeriod  = 1120;
#else
    ProtocolParams.UserDefined.HighDataSymbol.MarkPeriod   = 560;
    ProtocolParams.UserDefined.HighDataSymbol.SymbolPeriod = 2240;
    ProtocolParams.UserDefined.LowDataSymbol.MarkPeriod    = 560;
    ProtocolParams.UserDefined.LowDataSymbol.SymbolPeriod  = 1120;
#endif    
    ProtocolParams.UserDefined.NumberPayloadBits        = 32;
    ProtocolParams.UserDefined.BufferElementsPerPayload = 1;
    /* Setup the SPACE coded protocol */
    /* Start symbol */
    ProtocolParams.UserDefined.StartSymbols[0].MarkPeriod   = 9000;
    ProtocolParams.UserDefined.StartSymbols[0].SymbolPeriod = 13500;
	
#if 0
	/*--------- Force Remote Control ------------*/
    ProtocolParams.UserDefined.Coding = STBLAST_CODING_SPACE;
    ProtocolParams.UserDefined.SubCarrierFreq = 38000;
    ProtocolParams.UserDefined.NumberStartSymbols = 10;
    ProtocolParams.UserDefined.NumberStopSymbols = 0;
    ProtocolParams.UserDefined.HighDataSymbol.MarkPeriod = 600;
    ProtocolParams.UserDefined.HighDataSymbol.SymbolPeriod = 2000;
    ProtocolParams.UserDefined.LowDataSymbol.MarkPeriod = 600;
    ProtocolParams.UserDefined.LowDataSymbol.SymbolPeriod = 1000;
    ProtocolParams.UserDefined.NumberPayloadBits = 8;
    ProtocolParams.UserDefined.BufferElementsPerPayload=1;
    /* Setup the SPACE coded protocol */
    /* Start symbol */
    ProtocolParams.UserDefined.StartSymbols[0].MarkPeriod = 8000;
    ProtocolParams.UserDefined.StartSymbols[0].SymbolPeriod = 12000;
    
    /* Address symbols */
    ProtocolParams.UserDefined.StartSymbols[1].MarkPeriod = 600;   /* 0*/
    ProtocolParams.UserDefined.StartSymbols[1].SymbolPeriod = 1000;
    ProtocolParams.UserDefined.StartSymbols[2].MarkPeriod = 600;   /* 0*/
    ProtocolParams.UserDefined.StartSymbols[2].SymbolPeriod = 1000;
    ProtocolParams.UserDefined.StartSymbols[3].MarkPeriod = 600;   /* 0*/
    ProtocolParams.UserDefined.StartSymbols[3].SymbolPeriod = 1000;
    ProtocolParams.UserDefined.StartSymbols[4].MarkPeriod = 600;   /* 1*/
    ProtocolParams.UserDefined.StartSymbols[4].SymbolPeriod = 2000;
    ProtocolParams.UserDefined.StartSymbols[5].MarkPeriod = 600;   /* 0*/
    ProtocolParams.UserDefined.StartSymbols[5].SymbolPeriod = 1000;
    ProtocolParams.UserDefined.StartSymbols[6].MarkPeriod = 600;   /* 0*/
    ProtocolParams.UserDefined.StartSymbols[6].SymbolPeriod = 1000;
    ProtocolParams.UserDefined.StartSymbols[7].MarkPeriod = 600;   /* 0*/
    ProtocolParams.UserDefined.StartSymbols[7].SymbolPeriod = 1000;
    ProtocolParams.UserDefined.StartSymbols[8].MarkPeriod = 600;   /* 0*/
    ProtocolParams.UserDefined.StartSymbols[8].SymbolPeriod = 1000;
    
    /* Padding symbol */
    ProtocolParams.UserDefined.StartSymbols[9].MarkPeriod = 600;
    ProtocolParams.UserDefined.StartSymbols[9].SymbolPeriod = 4500;
	
	/*----------------- Sony Remote Control ------------------*/
    ProtocolParams.UserDefined.Coding = STBLAST_CODING_PULSE;	 
    ProtocolParams.UserDefined.SubCarrierFreq = 40000;
    ProtocolParams.UserDefined.NumberStartSymbols = 1;
    ProtocolParams.UserDefined.NumberStopSymbols = 0;
    ProtocolParams.UserDefined.HighDataSymbol.MarkPeriod = 600;
    ProtocolParams.UserDefined.HighDataSymbol.SymbolPeriod = 1200;
    ProtocolParams.UserDefined.LowDataSymbol.MarkPeriod = 1200;
    ProtocolParams.UserDefined.LowDataSymbol.SymbolPeriod = 1800;
    ProtocolParams.UserDefined.NumberPayloadBits = 12;
    ProtocolParams.UserDefined.StartSymbols[0].MarkPeriod = 2400;
    ProtocolParams.UserDefined.StartSymbols[0].SymbolPeriod = 3000;
	/*----------------- ST Remote Control --------------------*/
    ProtocolParams.UserDefined.Coding = STBLAST_CODING_SPACE;
    ProtocolParams.UserDefined.SubCarrierFreq = 5000;
    ProtocolParams.UserDefined.NumberStartSymbols = 0;
    ProtocolParams.UserDefined.NumberStopSymbols = 0;
    ProtocolParams.UserDefined.HighDataSymbol.MarkPeriod = 250;
    ProtocolParams.UserDefined.HighDataSymbol.SymbolPeriod = 7600;
    ProtocolParams.UserDefined.LowDataSymbol.MarkPeriod = 250;
    ProtocolParams.UserDefined.LowDataSymbol.SymbolPeriod = 5100;
    ProtocolParams.UserDefined.NumberPayloadBits = 12;
#endif
	
	error = STBLAST_SetProtocol(BLAST_Handle, Protocol, &ProtocolParams);
#endif
	if (error != ST_NO_ERROR)
	{
		STTBX_Print(("nSTBLAST_SetProtocol Error %dn", error));
		return RETFIAL1;
	}
	STTBX_Print(("nblaster_Init OKn"));
	return RETOK;
}
/* End of file */

						