1 /* This defines the status record and pertinent data masks
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2 for values form the parallel port driver.
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6 unsigned long lptJob; /* Owner of this lpt port, 0 for not in use */
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7 unsigned long LastErc; /* Result of last device operation */
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8 unsigned long LastTotal; /* Total bytes moved in last operation */
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9 unsigned char status; /* Status Byte - Bits defined in Parallel.h */
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10 unsigned long BufCnt; /* Bytes left in buffer to send */
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11 unsigned char resvd1; /* */
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12 unsigned char resvd2; /* */
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13 unsigned char resvd3; /* */
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14 unsigned char IRQNum; /* IRQNum for this channel */
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15 unsigned long IOBase; /* IO base address for hardware */
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16 unsigned long XBufSize; /* Size of Xmit buffer */
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17 unsigned long XTimeOut; /* Xmit Timeout in 10ms increments */
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18 unsigned long resvd4; /* Recv Timeout in 10ms increments */
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19 unsigned long resvd[6]; /* out to 64 bytes */
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22 /* Device Driver interface commands (Op numbers)
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23 NOTE: No "Read" commands are defined for this driver.
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24 This is a WRITE-ONLY device.
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27 #define CmdWriteRec 2 /* Write one or more bytes */
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28 #define CmdOpenL 10 /* Open Comm Channel */
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29 #define CmdCloseL 11 /* Close Comm Channel */
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30 #define CmdCloseLU 12 /* Close Comm Channel UNCONDITIONALLY */
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31 #define CmdSetXTO 14 /* Set Xmit timeout 10ms incs in dLBA */
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32 #define CmdWriteB 32 /* write a single byte */
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34 #define LPTBUSY 0x80 /* 1 = NOT Busy */
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35 #define LPTACK 0x40 /* 1 = Acknowledge */
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36 #define LPTPAPER 0x20 /* 1 = Out of paper */
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37 #define LPTSELECT 0x10 /* 1 = Selected */
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38 #define LPTIOERR 0x08 /* 1 = I/O Error */
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40 #define ErcBadOpNum 503 /* Standard Device error for bad cmd number */
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41 #define ErcXmitTimeoutL 901 /* Xmit Buffer never Emptied */
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42 #define ErcDataNotSent 902 /* Xmit buffer not empty */
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43 #define ErcNotOpenL 907 /* Channel not open... */
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44 #define ErcChannelOpenL 909 /* It's already open... */
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45 #define ErcNotOwnerL 912 /* It's opened by someone else... */
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46 #define ErcBadIOBaseL 924 /* if 0 */
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47 #define ErcBadInitSizeL 927 /* At least 40 bytes for this version */
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