diff options
Diffstat (limited to 'backend/hp4200_lm9830.c')
| -rw-r--r-- | backend/hp4200_lm9830.c | 219 |
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; +} |