uarthw_mcbsp.h
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上传日期:2008-01-29
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文件大小:3k
- /*
- * Copyright 2003 by Texas Instruments Incorporated.
- * All rights reserved. Property of Texas Instruments Incorporated.
- * Restricted rights to use, duplicate or disclose this code are
- * granted through contract.
- *
- */
- /* "@(#) DDK 1.11.00.00 11-04-03 (ddk-b13)" */
- /*
- * ======== uarthw_mcbsp.h ========
- */
- #ifndef UARTHW_MCBSP_H_
- #define UARTHW_MCBSP_H_
-
- #include <std.h>
- #ifdef _6x_
- #include <csl_stdinc.h> /* for Uint32 */
- /* interrupt mask definition */
- typedef Uns UARTHW_MCBSP_IntrMask;
- #endif
- #ifdef _54_
- #include <csl_stdinc.h>
- /* interrupt mask definition */
- typedef struct _UARTHW_MCBSP_IntrMask {
- Uns rxIntrMask;
- Uns txIntrMask;
- }UARTHW_MCBSP_IntrMask;
- #endif
- #ifdef _55_
- #include <csl_std.h>
- /* interrupt mask definition */
- typedef struct _UARTHW_MCBSP_IntrMask {
- Uns rxIerMask[2];
- Uns txIerMask[2];
- }UARTHW_MCBSP_IntrMask;
- #endif
- #define UARTHW_MCBSP_PARITYBITS 0
- #define UARTHW_MCBSP_HSTOPBITS 2
- #define UARTHW_MCBSP_DATABITS 8
- #define UARTHW_MCBSP_STARTBITS 1
- #define UARTHW_MCBSP_RxHSTOPBITS 1
- #define UARTHW_MCBSP_TxHSTOPBITS UARTHW_MCBSP_HSTOPBITS
- #define UARTHW_MCBSP_TxPKTBITS (UARTHW_MCBSP_STARTBITS +
- UARTHW_MCBSP_DATABITS +
- UARTHW_MCBSP_PARITYBITS +
- UARTHW_MCBSP_TxHSTOPBITS)
- #define UARTHW_MCBSP_RxPKTBITS (UARTHW_MCBSP_STARTBITS +
- UARTHW_MCBSP_DATABITS +
- UARTHW_MCBSP_PARITYBITS +
- UARTHW_MCBSP_RxHSTOPBITS)
- #define UARTHW_MCBSP_MAXBITS UARTHW_MCBSP_TxPKTBITS
- #define UARTHW_MCBSP_INTR_MASK_DEFAULT 1
- #define UARTHW_MCBSP_IER_MASK_DEFAULT UARTHW_MCBSP_INTR_MASK_DEFAULT
- typedef struct UARTHW_MCBSP_Params {
- Uns mcbspId; /* McBSP port id */
- Uns dmaRxId; /* DMA channel id ('C5000 only) */
- Uns dmaTxId; /* DMA channel id ('C5000 only) */
- Uint32 mcbspClkIn; /* McBSP frequency */
- Uint32 baud; /* baud rate */
- UARTHW_MCBSP_IntrMask intrMask; /* Intr mask, set while executing ISR */
- } UARTHW_MCBSP_Params;
- extern Int UARTHW_MCBSP_start(MdUns *rxBuf, MdUns *txBuf,
- UARTHW_MCBSP_Params *params);
- extern Void UARTHW_MCBSP_dmaRxIsr(Void);
- extern Void UARTHW_MCBSP_dmaTxIsr(Void);
- #ifdef __cplusplus
- }
- #endif /* extern "C" */
- #endif /* UARTHW_MCBSP_H_ */