wdbTyco.c
资源名称:ixp425BSP.rar [点击查看]
上传用户:luoyougen
上传日期:2008-05-12
资源大小:23136k
文件大小:2k
源码类别:
VxWorks
开发平台:
C/C++
- /* wdbTyco.c - WDB serial communication initialization library */
- /* Copyright 1998 Wind River Systems, Inc. */
- /*
- modification history
- --------------------
- 01b,22may98,dbt reworked
- 01a,11mar98,ms written
- */
- /*
- DESCRIPTION
- For obsolete tyCoDrv style serial drivers.
- NOMANUAL
- */
- /* lower WDB_MTU to SLMTU bytes for serial connection */
- #if WDB_MTU > SLMTU
- #undef WDB_MTU
- #define WDB_MTU SLMTU
- #endif /* WDB_MTU > SLMTU */
- /******************************************************************************
- *
- * wdbCommDevInit - initialize the serial connection
- *
- * This routine initializes the serial connection for tyCoDrv style serial
- * drivers used by the WDB agent.
- *
- * RETURNS :
- * OK or ERROR if the serial connection can not be initialized.
- *
- * NOMANUAL
- */
- STATUS wdbCommDevInit
- (
- WDB_COMM_IF * pCommIf,
- char ** ppWdbInBuf,
- char ** ppWdbOutBuf
- )
- {
- static WDB_TYCO_SIO_CHAN tyCoSioChan; /* serial I/O device */
- static WDB_SLIP_PKT_DEV wdbSlipPktDev; /* SLIP packet device */
- static uint_t wdbInBuf [WDB_MTU/4];
- static uint_t wdbOutBuf [WDB_MTU/4];
- /* update input & output buffer pointers */
- *ppWdbInBuf = (char *) wdbInBuf;
- *ppWdbOutBuf = (char *) wdbOutBuf;
- /* update communication interface mtu */
- wdbCommMtu = WDB_MTU;
- /* an old VxWorks serial driver - supports a task agent */
- wdbTyCoDevInit (&tyCoSioChan, WDB_TTY_DEV_NAME, WDB_TTY_BAUD);
- #ifdef INCLUDE_WDB_TTY_TEST
- wdbSioTest ((SIO_CHAN *)&tyCoSioChan, SIO_MODE_INT, 0);
- #endif /* INCLUDE_WDB_TTY_TEST */
- wdbSlipPktDevInit (&wdbSlipPktDev, (SIO_CHAN *)&tyCoSioChan, udpRcv);
- if (udpCommIfInit (pCommIf, &wdbSlipPktDev.wdbDrvIf) == ERROR)
- return (ERROR);
- return (OK);
- }