tidtv_uart.h

ti的数字电视芯片 tvp9000的源码

/*******************************************************************************
*	@ModuleName  ::	TiDTV_UART.h
*	
*	@Copyright	 ::	Copyright 2005- Texas Instruments, Inc.
*	
*	@Description ::	Constants & Definitions for TVP9K UART Module
*	
*	@History     ::
*---------------------------------------
*	06-28-2005	W.Shi	Created
*	07-14-2005	M.Wei	Initial Implementation
*******************************************************************************/

#ifndef	_TI_DTV_UART_H_
#define	_TI_DTV_UART_H_

#define TIDTV_UART_RXBUF_SIZE		(4 * 1024)

#define TIDTV_UART_STATUS_RX_ID		0x00
#define TIDTV_UART_STATUS_RX_IN		0x10

#define TIDTV_UART_STATUS_TX_ID		0x00
#define TIDTV_UART_STATUS_TX_IN		0x10

#define TIDTV_UART_STATUS_OK		0x00
#define TIDTV_UART_STATUS_RX_ER		0x10
#define TIDTV_UART_STATUS_TX_ER		0x100

typedef struct _TI_DTV_UART_CMD_ {
	UINT16	FuncCode;				// function code
	UINT16	DataLength;				// data length
	UINT16	CheckSum;				// check sum
} TI_DTV_UART_CMD;

typedef struct _TI_DTV_UART_CTRL_ {
	OS_EVENT *pTxMutexSem;			// Tx Mutual Exclusive Semaphore
	
	int		Status;					// Tx/Rx error status
	int		TxStatus;				// Tx status
	int		TxDataSize;				// Tx Data byte size
	int		TxDataIdx;				// Tx Data index
	UCHAR	*pTxDataBuf;			// pointer to Tx Data buffer
	
	OS_EVENT *pRxMutexSem;			// Rx Mutual Exclusive Semaphore
	UCHAR	RxMode;					// Rx mode S/T
	UCHAR	RxTerm;					// Rx terminator character
	int		RxStatus;				// Rx status
	UCHAR	Terminator;				// Terminator for Rx while provided
	int		MaxRxDataSize;			// maximum Rx data byte size
	int		RxDataSize;				// requested Rx Data byte size
	int		RxDataIdx;				// Rx Data index
	UCHAR	*pRxDataBuf;			// pointer to Rx Data Buffer (internal use)
} TI_DTV_UART_CTRL;

//----------------------------------------------------------
// Defined in "TiDTV_UART.c"
//
void TiDTV_InitUART(void);
int TiDTV_UartWrite(int TxDataSize, UCHAR *pTxDataBuf, UINT16 TimeOut);
int TiDTV_UartReadTerm(UCHAR Terminator, int MaxRxDataSize,
			int *pRxDataSize, UCHAR *pRxDataBuf, UINT16 TimeOut);
int TiDTV_UartReadSize(int RxReqSize, int *pRxDataSize,
			UCHAR *pRxDataBuf, UINT16 TimeOut);
int TiDTV_UartReset(void);
int TiDTV_UartRxBufReset(void);

#endif	/* _TI_DTV_UART_H_ */