| Jack Jansen | 1dcbcc3 | 1995-11-14 11:34:17 +0000 | [diff] [blame] | 1 | /* |
| 2 | ** InterslipLib - Routines to talk to InterSLIP. Version 1.1, 31-Oct-1995. |
| 3 | ** |
| 4 | ** |
| 5 | ** (c) Jack Jansen, CWI, 1995 <jack@cwi.nl> |
| 6 | */ |
| 7 | |
| 8 | #include <Devices.h> |
| 9 | |
| 10 | #include "InterslipLib.h" |
| 11 | |
| 12 | static CntrlParam iopb; |
| 13 | static short refnum = -1; |
| 14 | |
| 15 | OSErr is_open() |
| 16 | { |
| 17 | if ( refnum >= 0 ) return 0; |
| 18 | return OpenDriver("\p.InterSLIP", &refnum); |
| 19 | } |
| 20 | |
| 21 | OSErr is_connect() |
| 22 | { |
| 23 | iopb.ioCRefNum = refnum; |
| 24 | iopb.ioVRefNum = refnum; |
| 25 | iopb.ioCompletion = (UniversalProcPtr) 0; |
| 26 | iopb.csCode = 2; |
| 27 | return PBControlImmed((ParmBlkPtr)&iopb); |
| 28 | } |
| 29 | |
| 30 | OSErr is_disconnect() |
| 31 | { |
| 32 | iopb.ioCRefNum = refnum; |
| 33 | iopb.ioVRefNum = refnum; |
| 34 | iopb.ioCompletion = (UniversalProcPtr) 0; |
| 35 | iopb.csCode = 3; |
| 36 | return PBControlImmed((ParmBlkPtr)&iopb); |
| 37 | } |
| 38 | |
| 39 | OSErr is_status(long *status, long *msgseqnum, StringPtr *msg) |
| 40 | { |
| 41 | long *csp; |
| 42 | OSErr err; |
| 43 | |
| 44 | iopb.ioCRefNum = refnum; |
| 45 | iopb.ioVRefNum = refnum; |
| 46 | iopb.ioCompletion = (UniversalProcPtr) 0; |
| 47 | iopb.csCode = 4; |
| 48 | if( err = PBControlImmed((ParmBlkPtr)&iopb) ) |
| 49 | return err; |
| 50 | csp = (long *)&iopb.csParam; |
| 51 | *status = csp[0]; |
| 52 | *msgseqnum = csp[1]; |
| 53 | *msg = (unsigned char *)csp[2]; |
| 54 | return 0; |
| 55 | } |
| 56 | |
| 57 | OSErr is_getconfig(long *baudrate, long *flags, |
| 58 | Str255 idrvnam, Str255 odrvnam, Str255 cfgnam) |
| 59 | { |
| 60 | long *csp; |
| 61 | OSErr err; |
| 62 | |
| 63 | iopb.ioCRefNum = refnum; |
| 64 | iopb.ioVRefNum = refnum; |
| 65 | iopb.ioCompletion = (UniversalProcPtr) 0; |
| 66 | iopb.csCode = 6; |
| 67 | csp = (long *)&iopb.csParam; |
| 68 | csp[2] = (long)idrvnam; |
| 69 | csp[3] = (long)odrvnam; |
| 70 | csp[4] = (long)cfgnam; |
| 71 | if( err = PBControlImmed((ParmBlkPtr)&iopb) ) |
| 72 | return err; |
| 73 | *baudrate = csp[0]; |
| 74 | *flags = csp[1]; |
| 75 | return 0; |
| 76 | } |
| 77 | |
| 78 | OSErr is_setconfig(long baudrate, long flags, |
| 79 | Str255 idrvnam, Str255 odrvnam, Str255 cfgnam) |
| 80 | { |
| 81 | long *csp; |
| 82 | OSErr err; |
| 83 | |
| 84 | iopb.ioCRefNum = refnum; |
| 85 | iopb.ioVRefNum = refnum; |
| 86 | iopb.ioCompletion = (UniversalProcPtr) 0; |
| 87 | iopb.csCode = 7; |
| 88 | csp = (long *)&iopb.csParam; |
| 89 | csp[0] = baudrate; |
| 90 | csp[1] = flags; |
| 91 | csp[2] = (long)idrvnam; |
| 92 | csp[3] = (long)odrvnam; |
| 93 | csp[4] = (long)cfgnam; |
| 94 | return PBControlImmed((ParmBlkPtr)&iopb); |
| 95 | } |
| 96 | |
| 97 | |