Initial import of sane-backends version 1.0.24-1.2

1 files changed, 219 insertions, 0 deletions

diff --git a/backend/hp4200_lm9830.c b/backend/hp4200_lm9830.c
new file mode 100644
index 0000000..f2d9475
--- /dev/null
+++ b/backend/hp4200_lm9830.c
@@ -0,0 +1,219 @@
+/* sane - Scanner Access Now Easy.
+
+   Copyright (C) 2000 Adrian Perez Jorge
+
+   This file is part of the SANE package.
+
+   This program is free software; you can redistribute it and/or
+   modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful, but
+   WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+   MA 02111-1307, USA.
+
+   As a special exception, the authors of SANE give permission for
+   additional uses of the libraries contained in this release of SANE.
+
+   The exception is that, if you link a SANE library with other files
+   to produce an executable, this does not by itself cause the
+   resulting executable to be covered by the GNU General Public
+   License.  Your use of that executable is in no way restricted on
+   account of linking the SANE library code into it.
+
+   This exception does not, however, invalidate any other reasons why
+   the executable file might be covered by the GNU General Public
+   License.
+
+   If you submit changes to SANE to the maintainers to be included in
+   a subsequent release, you agree by submitting the changes that
+   those changes may be distributed with this exception intact.
+
+   If you write modifications of your own for SANE, it is your choice
+   whether to permit this exception to apply to your modifications.
+   If you do not wish that, delete this exception notice.
+
+   This file implements a backend for the HP4200C flatbed scanner
+*/
+
+
+#include "hp4200_lm9830.h"
+
+static SANE_Status
+lm9830_read_register (int fd, unsigned char reg, unsigned char *data)
+{
+  SANE_Status retval;
+
+  if (!data)
+    return -SANE_STATUS_INVAL;
+  retval = sanei_pv8630_write_byte (fd, PV8630_REPPADDRESS, reg);
+  if (retval != SANE_STATUS_GOOD)
+    return retval;
+  return sanei_pv8630_read_byte (fd, PV8630_RDATA, data);
+}
+
+static SANE_Status
+lm9830_write_register (int fd, unsigned char reg, unsigned char value)
+{
+  SANE_Status retval;
+
+  retval = sanei_pv8630_write_byte (fd, PV8630_REPPADDRESS, reg);
+  if (retval != SANE_STATUS_GOOD)
+    return retval;
+
+  return sanei_pv8630_write_byte (fd, PV8630_RDATA, value);
+}
+
+#ifdef DEBUG
+static int
+lm9830_dump_registers (int fd)
+{
+  int i;
+  unsigned char value = 0;
+
+  for (i = 0; i < 0x80; i++)
+    {
+      lm9830_read_register (fd, i, &value);
+      printf ("%.2x:0x%.2x", i, value);
+      if ((i + 1) % 8)
+	printf (", ");
+      else
+	printf ("\n");
+    }
+  puts ("");
+  return 0;
+}
+#endif
+
+#if 0
+static int
+pv8630_reset_buttons (int fd)
+{
+  lm9830_write_register (fd, 0x59, 0x10);
+  lm9830_write_register (fd, 0x59, 0x90);
+  return 0;
+}
+#endif
+
+#if 0
+static int
+lm9830_lamp_off (int fd)
+{
+  lm9830_write_register (fd, 0x07, 0x00);
+  lm9830_write_register (fd, 0x2c, 0x00);
+  lm9830_write_register (fd, 0x2d, 0x01);
+  lm9830_write_register (fd, 0x2e, 0x3f);
+  lm9830_write_register (fd, 0x2f, 0xff);
+  return 0;
+}
+
+static int
+lm9830_lamp_on (int fd)
+{
+  lm9830_write_register (fd, 0x07, 0x00);
+  lm9830_write_register (fd, 0x2c, 0x3f);
+  lm9830_write_register (fd, 0x2d, 0xff);
+  lm9830_write_register (fd, 0x2e, 0x00);
+  lm9830_write_register (fd, 0x2f, 0x01);
+  return 0;
+}
+#endif
+
+#if 0
+/*
+ * This function prints what button was pressed (the time before this
+ * code was executed).
+ */
+
+static int
+hp4200c_what_button (int fd)
+{
+  unsigned char button;
+
+  pv8630_read_buttons (fd, &button);
+
+  if (button & 0x08)
+    puts ("Scan");
+  if (button & 0x10)
+    puts ("Copy");
+  if (button & 0x20)
+    puts ("E-mail");
+  if ((button & 0x38) == 0)
+    puts ("None");
+
+  pv8630_reset_buttons (fd);
+  return 0;
+}
+#endif
+
+static int
+lm9830_ini_scanner (int fd, unsigned char *regs)
+{
+#ifdef unused
+  unsigned char inittable[] = {
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x02, 0x1A, 0x00, 0x0A, 0x60, 0x2F, 0x13, 0x06,
+    0x17, 0x01, 0x03, 0x03, 0x05, 0x00, 0x00, 0x0B,
+    0x00, 0x00, 0x00, 0x00, 0x0D, 0x21, 0x00, 0x40,
+    0x15, 0x18, 0x00, 0x40, 0x02, 0x98, 0x00, 0x00,
+    0x00, 0x01, 0x00, 0x00, 0x3F, 0xFF, 0x00, 0x01,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x00, 0x30,
+    0x25, 0x25, 0x24, 0x28, 0x24, 0x28, 0x00, 0x00,
+    0x00, 0x00, 0x06, 0x1D, 0x00, 0x13, 0x05, 0x48,
+    0x01, 0xC2, 0x00, 0x00, 0x00, 0x00, 0x5E, 0x02,
+    0x00, 0x15, 0x00, 0x45, 0x00, 0x10, 0x08, 0x17,
+    0x2B, 0x90, 0x00, 0x00, 0x01, 0x00, 0x80, 0x00
+  };
+#endif
+
+  unsigned char daisy[] = { 0x99, 0x66, 0xcc, 0x33 };
+  unsigned char *regdata;
+  unsigned int i;
+
+  sanei_pv8630_write_byte (fd, PV8630_RMODE, 0x02);
+  for (i = 0; i < sizeof (daisy); i++)
+    {
+      sanei_pv8630_write_byte (fd, PV8630_RDATA, daisy[i]);
+    }
+  sanei_pv8630_write_byte (fd, PV8630_RMODE, 0x16);
+  lm9830_write_register (fd, 0x42, 0x06);
+
+  if (!regs)
+    return 0;
+  /*    regdata = inittable; */
+  else
+    regdata = regs;
+
+  for (i = 8; i < 0x60; i++)
+    {
+      lm9830_write_register (fd, i, regdata[i]);
+    }
+  for (i = 0x60; i < 0x70; i++)
+    {
+      lm9830_write_register (fd, i, 0);
+    }
+  lm9830_write_register (fd, 0x70, 0x70);
+  for (i = 0x71; i < 0x80; i++)
+    {
+      lm9830_write_register (fd, i, 0);
+    }
+  return 0;
+}
+
+static int
+lm9830_reset (int fd)
+{
+  lm9830_write_register (fd, 0x07, 0x08);
+  usleep (100);
+  lm9830_write_register (fd, 0x07, 0x00);
+  usleep (100);
+
+  return 0;
+}