kopia lustrzana https://gitlab.com/sane-project/backends
hpsj5s version update
Max Vorobiev
rodzic
1694389461
commit
e287b237a3
234
backend/hpsj5s.c
234
backend/hpsj5s.c
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@ -38,7 +38,7 @@
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whether to permit this exception to apply to your modifications.
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If you do not wish that, delete this exception notice. */
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#define BUILD 2
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#define BUILD 3
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#define BACKEND_NAME hpsj5s
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#define HPSJ5S_CONFIG_FILE "hpsj5s.conf"
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@ -57,13 +57,12 @@
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#include <stdlib.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <fcntl.h>
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#define LINES_TO_FEED 480 /*Default feed length */
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static int scanner_d = -1; /*This is handler to the only-supported. Will be fixed. */
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static char scanner_path[PATH_MAX] = "/dev/hpsj5s"; /*String for device-file */
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static char scanner_path[PATH_MAX] = "parport0"; /*String for device-file */
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static SANE_Byte bLastCalibration; /*Here we store calibration result */
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static SANE_Byte bCalibration; /*Here we store new calibration value */
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static SANE_Byte bHardwareState; /*Here we store copy of hardware flags register */
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@ -156,6 +155,8 @@ LengthForRes (SANE_Word Resolution, SANE_Word Length)
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}
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}
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static struct parport_list pl; /*List of detected parallel ports. */
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SANE_Status
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sane_init (SANE_Int * version_code, SANE_Auth_Callback authorize)
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{
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@ -209,6 +210,9 @@ sane_init (SANE_Int * version_code, SANE_Auth_Callback authorize)
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sod[1].constraint.range = &ImageWidthRange; /*Width option */
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sod[2].constraint.word_list = &ImageResolutionsList[0]; /*Resolution option */
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/*Search for ports in system: */
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ieee1284_find_ports (&pl, 0);
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return SANE_STATUS_GOOD;
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}
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@ -217,9 +221,13 @@ sane_exit (void)
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{
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if (scanner_d != -1)
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{
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close (scanner_d);
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CloseScanner (scanner_d);
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scanner_d = -1;
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}
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/*Free alocated ports information: */
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ieee1284_free_ports (&pl);
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DBG (2, "sane_exit\n");
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return;
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}
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@ -253,13 +261,15 @@ sane_get_devices (const SANE_Device *** device_list, SANE_Bool local_only)
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};
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/*Device was not opened. */
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scanner_d = open (scanner_path, O_RDWR);
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scanner_d = OpenScanner (scanner_path);
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if (scanner_d == -1) /*No devices present */
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{
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DBG (1, "failed to open scanner.\n");
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*device_list = void_devlist;
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return SANE_STATUS_GOOD;
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}
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DBG (1, "port opened.\n");
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/*Check device. */
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DBG (1, "sane_get_devices: check scanner started.");
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@ -276,7 +286,7 @@ sane_get_devices (const SANE_Device *** device_list, SANE_Bool local_only)
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}
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/*We do not need it any more */
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close (scanner_d);
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CloseScanner (scanner_d);
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scanner_d = -1;
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return SANE_STATUS_GOOD;
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@ -309,7 +319,8 @@ sane_open (SANE_String_Const devicename, SANE_Handle * handle)
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return SANE_STATUS_DEVICE_BUSY;
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DBG (1, "sane_open: scanner device path name is \'%s\'\n", scanner_path);
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scanner_d = open (scanner_path, O_RDWR);
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scanner_d = OpenScanner (scanner_path);
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if (scanner_d == -1)
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return SANE_STATUS_DEVICE_BUSY; /*This should be done more carefully */
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@ -318,7 +329,7 @@ sane_open (SANE_String_Const devicename, SANE_Handle * handle)
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if (DetectScanner () == 0)
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{ /*Device malfunction! */
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DBG (1, "sane_open: Device malfunction.");
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close (scanner_d);
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CloseScanner (scanner_d);
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scanner_d = -1;
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return SANE_STATUS_IO_ERROR;
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}
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@ -332,11 +343,11 @@ void
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sane_close (SANE_Handle handle)
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{
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DBG (2, "sane_close\n");
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/*We support only single device - so ignore handle (FIX IT LATTER) */
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/*We support only single device - so ignore handle (FIX IT LATER) */
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if ((handle != (SANE_Handle) scanner_d) || (scanner_d == -1))
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return; /* wrong device */
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StandByScanner ();
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close (scanner_d);
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CloseScanner (scanner_d);
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scanner_d = -1;
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}
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@ -614,7 +625,9 @@ DetectScanner (void)
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Result2 = InputCheck ();
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if (!(Result1 || Result2)) /*If all are 0 - it's error */
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return 0;
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{
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return 0;
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}
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WriteScannerRegister (0x7C, 0x80);
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WriteScannerRegister (0x7F, 0x1);
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@ -1187,8 +1200,8 @@ OutputCheck ()
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WriteAddress (0x3F);
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if (ReadDataByte () & 0x80)
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return 0;
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else
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return 1;
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return 1;
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}
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static int
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@ -1199,13 +1212,16 @@ InputCheck ()
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WriteAddress (0x3E);
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for (i = 0; i < 256; i++)
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Buffer[i] = ReadDataByte ();
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{
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Buffer[i] = ReadDataByte ();
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}
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for (i = 0; i < 256; i++)
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{
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if (Buffer[i] != i)
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return 0;
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}
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return 1;
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}
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@ -1235,9 +1251,10 @@ CallCheck ()
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ReadDataBlock (Buffer, 256);
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for (i = 0; i < 255; i++)
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if (Buffer[i + 1] != (SANE_Byte) i)
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return 0;
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{
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if (Buffer[i + 1] != (SANE_Byte) i)
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return 0;
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}
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return 1;
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}
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@ -1269,39 +1286,31 @@ LoadingPaletteToScanner ()
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static void
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WriteAddress (SANE_Byte Address)
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{
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strOperationBlock OpBlock;
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OpBlock.Code = OP_WRITE_ADDRESS;
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OpBlock.Parameters.WrAddr.Address = Address;
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write (scanner_d, &OpBlock, sizeof (OpBlock));
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ieee1284_data_dir (pl.portv[scanner_d], 0); /*Forward mode */
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ieee1284_frob_control (pl.portv[scanner_d], C1284_NINIT, C1284_NINIT);
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ieee1284_epp_write_addr (pl.portv[scanner_d], 0, (char *) &Address, 1);
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}
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static void
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WriteData (SANE_Byte Data)
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{
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strOperationBlock OpBlock;
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OpBlock.Code = OP_WRITE_DATA_BYTE;
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OpBlock.Parameters.WrData.Data = Data;
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write (scanner_d, &OpBlock, sizeof (OpBlock));
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ieee1284_data_dir (pl.portv[scanner_d], 0); /*Forward mode */
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ieee1284_frob_control (pl.portv[scanner_d], C1284_NINIT, C1284_NINIT);
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ieee1284_epp_write_data (pl.portv[scanner_d], 0, (char *) &Data, 1);
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}
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static void
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WriteScannerRegister (SANE_Byte Address, SANE_Byte Data)
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{
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strOperationBlock OpBlock;
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OpBlock.Code = OP_WRITE_SCANER_REGISTER;
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OpBlock.Parameters.WrScannerReg.Address = Address;
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OpBlock.Parameters.WrScannerReg.Data = Data;
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write (scanner_d, &OpBlock, sizeof (OpBlock));
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WriteAddress (Address);
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WriteData (Data);
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}
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static void
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CallFunctionWithParameter (SANE_Byte Function, SANE_Byte Parameter)
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{
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strOperationBlock OpBlock;
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OpBlock.Code = OP_CALL_FUNCTION_WITH_PARAMETER;
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OpBlock.Parameters.FuncParam.Function = Function;
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OpBlock.Parameters.FuncParam.Parameter = Parameter;
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write (scanner_d, &OpBlock, sizeof (OpBlock));
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WriteScannerRegister (REGISTER_FUNCTION_CODE, Function);
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WriteScannerRegister (REGISTER_FUNCTION_PARAMETER, Parameter);
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}
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static SANE_Byte
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@ -1316,12 +1325,161 @@ static SANE_Byte
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ReadDataByte ()
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{
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SANE_Byte Result;
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read (scanner_d, &Result, 1);
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ieee1284_data_dir (pl.portv[scanner_d], 1); /*Reverse mode */
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ieee1284_frob_control (pl.portv[scanner_d], C1284_NINIT, C1284_NINIT);
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ieee1284_epp_read_data (pl.portv[scanner_d], 0, (char *) &Result, 1);
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return Result;
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}
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static void
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ReadDataBlock (SANE_Byte * Buffer, int lenght)
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ReadDataBlock (SANE_Byte * Buffer, int length)
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{
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read (scanner_d, Buffer, lenght);
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ieee1284_data_dir (pl.portv[scanner_d], 1); /*Reverse mode */
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ieee1284_frob_control (pl.portv[scanner_d], C1284_NINIT, C1284_NINIT);
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ieee1284_epp_read_data (pl.portv[scanner_d], 0, (char *) Buffer, length);
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}
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/* Send a daisy-chain-style CPP command packet. */
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int
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cpp_daisy (struct parport *port, int cmd)
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{
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unsigned char s;
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ieee1284_data_dir (port, 0); /*forward direction */
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ieee1284_write_control (port, C1284_NINIT);
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ieee1284_write_data (port, 0xaa);
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usleep (2);
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ieee1284_write_data (port, 0x55);
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usleep (2);
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ieee1284_write_data (port, 0x00);
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usleep (2);
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ieee1284_write_data (port, 0xff);
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usleep (2);
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s = ieee1284_read_status (port) ^ S1284_INVERTED; /*Converted for PC-style */
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s &= (S1284_BUSY | S1284_PERROR | S1284_SELECT | S1284_NFAULT);
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if (s != (S1284_BUSY | S1284_PERROR | S1284_SELECT | S1284_NFAULT))
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{
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DBG (1, "%s: cpp_daisy: aa5500ff(%02x)\n", port->name, s);
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return -1;
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}
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ieee1284_write_data (port, 0x87);
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usleep (2);
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s = ieee1284_read_status (port) ^ S1284_INVERTED; /*Convert to PC-style */
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s &= (S1284_BUSY | S1284_PERROR | S1284_SELECT | S1284_NFAULT);
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if (s != (S1284_SELECT | S1284_NFAULT))
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{
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DBG (1, "%s: cpp_daisy: aa5500ff87(%02x)\n", port->name, s);
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return -1;
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}
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ieee1284_write_data (port, 0x78);
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usleep (2);
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ieee1284_write_control (port, C1284_NINIT);
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ieee1284_write_data (port, cmd);
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usleep (2);
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ieee1284_frob_control (port, C1284_NSTROBE, C1284_NSTROBE);
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usleep (1);
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ieee1284_frob_control (port, C1284_NSTROBE, 0);
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usleep (1);
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s = ieee1284_read_status (port);
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ieee1284_write_data (port, 0xff);
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usleep (2);
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return s;
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}
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/*Daisy chain deselect operation.*/
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void
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daisy_deselect_all (struct parport *port)
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{
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cpp_daisy (port, 0x30);
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}
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/*Daisy chain select operation*/
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int
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daisy_select (struct parport *port, int daisy, int mode)
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{
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switch (mode)
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{
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/*For these modes we should switch to EPP mode: */
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case M1284_EPP:
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case M1284_EPPSL:
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case M1284_EPPSWE:
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return cpp_daisy (port, 0x20 + daisy) & S1284_NFAULT;
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/*For these modes we should switch to ECP mode: */
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case M1284_ECP:
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case M1284_ECPRLE:
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case M1284_ECPSWE:
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return cpp_daisy (port, 0xd0 + daisy) & S1284_NFAULT;
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/*Nothing was told for BECP in Daisy chain specification.
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May be it's wise to use ECP? */
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case M1284_BECP:
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/*Others use compat mode */
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case M1284_NIBBLE:
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case M1284_BYTE:
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case M1284_COMPAT:
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default:
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return cpp_daisy (port, 0xe0 + daisy) & S1284_NFAULT;
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}
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}
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/*Daisy chain assign address operation.*/
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int
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assign_addr (struct parport *port, int daisy)
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{
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return cpp_daisy (port, daisy);
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}
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static int
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OpenScanner (const char *scanner_path)
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{
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int handle;
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int caps;
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for (handle = 0; handle < pl.portc; handle++)
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{
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if (strcmp (scanner_path, pl.portv[handle]->name) == 0)
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break;
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}
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if (handle == pl.portc) /*No match found */
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return -1;
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/*Open port */
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if (ieee1284_open (pl.portv[handle], 0, &caps) != E1284_OK)
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return -1;
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/*Claim port */
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if (ieee1284_claim (pl.portv[handle]) != E1284_OK)
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return -1;
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/*Total chain reset. */
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daisy_deselect_all (pl.portv[handle]);
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/*Assign addresses. */
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assign_addr (pl.portv[handle], 0); /*Assume we have device first in chain. */
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/*Select required device. For now - first in chain. */
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daisy_select (pl.portv[handle], 0, M1284_EPP);
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return handle;
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}
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static void
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CloseScanner (int handle)
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{
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if (handle == -1)
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return;
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daisy_deselect_all (pl.portv[handle]);
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ieee1284_release (pl.portv[handle]);
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ieee1284_close (pl.portv[handle]);
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}
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@ -1,2 +1,2 @@
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#hpsj5s.conf
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/dev/hpsj5s
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parport0
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@ -2,7 +2,25 @@
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#define __HPSJ5S_MIDDLE_LEVEL_API_HEADER__
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#include "hpsj5s_int.h"
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#include <ieee1284.h>
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/*Scanner hardware registers*/
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#define REGISTER_FUNCTION_CODE 0x70 /*Here goes function code */
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#define REGISTER_FUNCTION_PARAMETER 0x60 /*Here goes function param */
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#define ADDRESS_RESULT 0x20 /*Here we get result */
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/*Scanner functions (not all - some of them I cann't identify)*/
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#define FUNCTION_SETUP_HARDWARE 0xA0
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/*Scanner hardware control flags:*/
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/*Set this flag and non-zero speed to start rotation*/
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#define FLAGS_HW_MOTOR_READY 0x1
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/*Set this flag to turn on lamp*/
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#define FLAGS_HW_LAMP_ON 0x2
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/*Set this flag to turn indicator lamp off*/
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#define FLAGS_HW_INDICATOR_OFF 0x4
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/*
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Types:
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@ -14,6 +32,10 @@ enumColorDepth;
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/*Middle-level API:*/
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static int OpenScanner (const char *scanner_path);
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static void CloseScanner (int handle);
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static int DetectScanner (void);
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static void StandByScanner (void);
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@ -63,4 +85,18 @@ static SANE_Byte ReadDataByte (void);
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static void ReadDataBlock (SANE_Byte * Buffer, int lenght);
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/*Daisy chaining API: (should be moved to ieee1284 library in future)*/
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/*Deselect all devices in chain on this port.*/
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static void daisy_deselect_all (struct parport *port);
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/*Select device with number 'daisy' in 'mode'.*/
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static int daisy_select (struct parport *port, int daisy, int mode);
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/*Setup address for device in chain on this port*/
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static int assign_addr (struct parport *port, int daisy);
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/* Send a daisy-chain-style CPP command packet. */
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static int cpp_daisy (struct parport *port, int cmd);
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#endif
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@ -10,7 +10,7 @@
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;
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:backend "hpsj5s" ; name of backend
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:version "0.02" ; version of backend
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:version "0.03" ; version of backend
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:status :new ; :alpha, :beta, :stable, :new
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:manpage "sane-hpsj5s" ; name of manpage (if it exists)
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:url "http://hpsj5s.sourceforge.net/" ; backend's web page
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|
@ -23,7 +23,7 @@
|
|||
:url "http://www.hp.com/"
|
||||
:model "HP ScanJet 5s" ; name models for above-specified mfg.
|
||||
:interface "Parport (EPP)"
|
||||
:comment "Driver for abstraction layer required"
|
||||
:comment "Requires libieee1284 library"
|
||||
|
||||
; :comment and :url specifiers are optional after :mfg, :model, :desc,
|
||||
; and at the top-level.
|
||||
|
|
|
|||
Ładowanie…
Reference in New Issue