kopia lustrzana https://gitlab.com/sane-project/backends
113 wiersze
2.7 KiB
C
113 wiersze
2.7 KiB
C
/*
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* SANE backend for Xerox Phaser 3200MFP
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* Copyright 2008 ABC <abc@telekom.ru>
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*
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* This program is licensed under GPL + SANE exception.
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* More info at http://www.sane-project.org/license.html
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*/
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#undef BACKEND_NAME
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#define BACKEND_NAME xerox_mfp
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#define DEBUG_DECLARE_ONLY
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#define DEBUG_NOT_STATIC
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#include "sane/config.h"
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#include "sane/saneopts.h"
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#include "sane/sanei_config.h"
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#include "sane/sanei_backend.h"
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#include "sane/sanei_debug.h"
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#include "sane/sanei_usb.h"
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#include "xerox_mfp.h"
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extern int sanei_debug_xerox_mfp;
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int
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usb_dev_request (struct device *dev,
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SANE_Byte *cmd, size_t cmdlen,
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SANE_Byte *resp, size_t *resplen)
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{
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SANE_Status status;
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size_t len = cmdlen;
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if (cmd && cmdlen) {
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status = sanei_usb_write_bulk (dev->dn, cmd, &cmdlen);
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if (status != SANE_STATUS_GOOD) {
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DBG (1, "%s: sanei_usb_write_bulk: %s\n", __FUNCTION__,
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sane_strstatus (status));
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return SANE_STATUS_IO_ERROR;
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}
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if (cmdlen != len) {
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DBG (1, "%s: sanei_usb_write_bulk: wanted %lu bytes, wrote %lu bytes\n",
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__FUNCTION__, (size_t)len, (size_t)cmdlen);
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return SANE_STATUS_IO_ERROR;
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}
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}
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if (resp && resplen) {
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status = sanei_usb_read_bulk (dev->dn, resp, resplen);
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if (status != SANE_STATUS_GOOD) {
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DBG (1, "%s: sanei_usb_read_bulk: %s\n", __FUNCTION__,
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sane_strstatus (status));
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return SANE_STATUS_IO_ERROR;
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}
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}
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return SANE_STATUS_GOOD;
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}
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SANE_Status
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usb_dev_open (struct device *dev)
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{
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SANE_Status status;
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DBG (3, "%s: open %p\n", __FUNCTION__, (void *)dev);
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status = sanei_usb_open (dev->sane.name, &dev->dn);
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if (status != SANE_STATUS_GOOD) {
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DBG (1, "%s: sanei_usb_open(%s): %s\n", __FUNCTION__,
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dev->sane.name, sane_strstatus (status));
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dev->dn = -1;
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return status;
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}
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sanei_usb_clear_halt (dev->dn);
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return SANE_STATUS_GOOD;
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}
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void
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usb_dev_close (struct device *dev)
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{
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if (!dev)
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return;
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DBG (3, "%s: closing dev %p\n", __FUNCTION__, (void *)dev);
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/* finish all operations */
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if (dev->scanning) {
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dev->cancel = 1;
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/* flush READ_IMAGE data */
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if (dev->reading)
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sane_read(dev, NULL, 1, NULL);
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/* send cancel if not sent before */
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if (dev->state != SANE_STATUS_CANCELLED)
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ret_cancel(dev, 0);
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}
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sanei_usb_clear_halt (dev->dn); /* unstall for next users */
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sanei_usb_close (dev->dn);
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dev->dn = -1;
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}
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/* SANE API ignores return code of this callback */
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SANE_Status
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usb_configure_device (const char *devname, SANE_Status (*attach) (const char *dev))
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{
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sanei_usb_set_timeout (1000);
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sanei_usb_attach_matching_devices (devname, attach);
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sanei_usb_set_timeout (30000);
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return SANE_STATUS_GOOD;
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}
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/* xerox_mfp-usb.c */
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