kopia lustrzana https://gitlab.com/sane-project/backends
* added automatic parallel port detection,
and special keyword in configuration file to use it. Indent cleaning.merge-requests/1/head
Stéphane Voltz
rodzic
230fab553f
commit
512dcd9fd0
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@ -1,3 +1,10 @@
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2003-10-09 Stéphane Voltz <svoltz@wanadoo.fr>
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* backend/umax_pp.c backend/umax_pp_low.h backend/umax_pp.h
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backend/umax_pp_mid.c backend/umax_pp_low.c backend/umax_pp_mid.h
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backend/umax_pp.conf: added automatic parallel port detection,
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and special keyword in configuration file to use it.
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2003-10-08 Gerhard Jaeger <gerhard@gjaeger.de>
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* backend/Makefile.in : linking plustek_pp- and test-backend against
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@ -163,7 +163,7 @@ static const SANE_Range u8_range = {
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#define MM_TO_PIXEL(mm, res) (SANE_UNFIX(mm) * (float )res / MM_PER_INCH)
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#define PIXEL_TO_MM(px, res) (SANE_FIX((float )(px * MM_PER_INCH / (res / 10)) / 10.0))
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#define UMAX_PP_DEFAULT_PORT 0x378
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#define UMAX_PP_DEFAULT_PORT "/dev/parport0"
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#define UMAX_PP_RESERVE 259200
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/*
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@ -316,6 +316,64 @@ attach (const char *devname)
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return SANE_STATUS_GOOD;
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}
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/*
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* walk a port list and try to attach to them
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*
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*/
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static SANE_Int
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umax_pp_try_ports (char **ports)
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{
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int i;
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int rc = SANE_STATUS_INVAL;
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if (ports != NULL)
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{
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i = 0;
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rc = SANE_STATUS_INVAL;
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while (ports[i] != NULL)
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{
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if (rc != SANE_STATUS_GOOD)
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{
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DBG (3, "umax_pp_try_ports: trying port `%s'\n", ports[i]);
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rc = attach (ports[i]);
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if (rc != SANE_STATUS_GOOD)
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DBG (3, "init: couldn't attach to port `%s'\n", ports[i]);
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else
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DBG (3, "init: attach to port `%s' successfull\n", ports[i]);
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}
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free (ports[i]);
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i++;
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}
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free (ports);
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}
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return rc;
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}
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/*
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* attempt to auto detect right parallel port
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* if safe set to SANE_TRUE, no direct hardware access
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*
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*/
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static SANE_Int
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umax_pp_auto_attach (SANE_Int safe)
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{
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char **ports;
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int rc = SANE_STATUS_INVAL;
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/* safe tests: user parallel port devices */
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ports = sanei_parport_find_device ();
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if (ports != NULL)
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rc = umax_pp_try_ports (ports);
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/* try for direct hardware access */
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if ((safe != SANE_TRUE) && (rc != SANE_STATUS_GOOD))
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{
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ports = sanei_parport_find_port ();
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if (ports != NULL)
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rc = umax_pp_try_ports (ports);
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}
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return rc;
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}
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static SANE_Int
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umax_pp_get_sync (SANE_Int dpi)
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@ -693,10 +751,10 @@ sane_init (SANE_Int * version_code, SANE_Auth_Callback authorize)
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if (fp == NULL)
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{
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DBG (2, "init: no configuration file, using default `port 0x%03X'\n",
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DBG (2, "init: no configuration file, using default `port %s'\n",
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UMAX_PP_DEFAULT_PORT);
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ret = attach (STRINGIFY (UMAX_PP_DEFAULT_PORT));
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ret = attach (UMAX_PP_DEFAULT_PORT);
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return ret;
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}
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@ -926,15 +984,35 @@ sane_init (SANE_Int * version_code, SANE_Auth_Callback authorize)
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cp += 5;
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cp = sanei_config_skip_whitespace (cp);
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DBG (3, "init: trying port `%s'\n", cp);
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if (*cp)
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{
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/* here, the argument maybe a device, an address, or special
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* keywords 'auto' and 'safe-auto'
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*/
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if (strcmp (cp, "safe-auto") == 0)
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{
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/* try every device we can find */
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if (umax_pp_auto_attach (SANE_TRUE) != SANE_STATUS_GOOD)
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DBG (2, "init: safe-auto attach failed !");
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}
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else if (strcmp (cp, "auto") == 0)
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{
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/* try every port/device we can find */
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if (umax_pp_auto_attach (SANE_FALSE) != SANE_STATUS_GOOD)
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{
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DBG (2, "init: auto attach failed !");
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}
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}
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else
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{
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DBG (3, "init: trying port `%s'\n", cp);
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DBG (3, "attach(%s)\n", cp);
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if (attach (cp) != SANE_STATUS_GOOD)
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DBG (2, "init: couldn't attach to port `%s'\n", cp);
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}
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}
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}
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else if ((strncmp (cp, "name", 4) == 0) && isspace (cp[4]))
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{
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cp += 5;
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@ -8,15 +8,22 @@ option buffer 2097152
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# DEVICES #
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# specify the port your scanner is connected to. Possible are 0x378 (lp0)
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# 0x278 (lp2) and 0x3c8 (lp1)
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# specify the port your scanner is connected to.
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#
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# the value 'auto' will make the backend find the correct value
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# by itself, it will scan ppdev, ppi device, then hardware address
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# 'safe-auto' will do the same but wn't do direct hardware access
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# on linux systems, you may provide the device name of the ppdev character
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# device : /dev/parport0, /dev/parport1, ......
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#
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# on *BSD, you may provide the device name of the ppi device: /dev/ppi0,
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# /dev/ppi1, ...
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#
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# Possible hardware addresses are 0x378 (lp0)
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# 0x278 (lp2) and 0x3c8 (lp1)
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#
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# default is ppdev since major use of the backend is for linux
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port /dev/parport0
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# the following options are local to this scanner
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@ -736,55 +736,147 @@ static void Insb (int port, unsigned char *dest, int size);
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static void Insw (int port, unsigned char *dest, int size);
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/*
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* returns 1 if succeds in getting base addr via /proc
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* 0 on failure
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*
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* on successfull return, *addr will hold parport base addr
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*/
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int
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sanei_parport_info (int number, int *addr)
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{
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char name[256];
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FILE *fic = NULL;
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char buffer[64], val[16];
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int baseadr, ecpadr;
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/* try 2.4 first */
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sprintf (name, "/proc/sys/dev/parport/parport%d/base-addr", number);
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memset (buffer, 0, 64);
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memset (val, 0, 16);
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fic = fopen (name, "rb");
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if (fic == NULL)
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char **
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sanei_parport_find_port (void)
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{
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/* open failure, try 2.2 */
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sprintf (name, "/proc/parport/%d/hardware", number);
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char **ports = NULL;
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#ifdef ENABLE_PARPORT_DIRECTIO
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int i, addr, ecpaddr;
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int found = 0;
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char name[80], buffer[80];
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FILE *fic = NULL;
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/* direct I/O detection */
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/* linux 2.4 + 2.6 with proc support */
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for (i = 0; i < 4; i++)
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{
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/* try to ensure loading of lp module */
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sprintf (name, "/dev/lp%d", i);
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fic = fopen (name, "wb");
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if (fic != NULL)
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fclose (fic);
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sprintf (name, "/proc/sys/dev/parport/parport%d/base-addr", i);
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fic = fopen (name, "rb");
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if (fic == NULL)
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{ /* no proc at all */
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DBG (1, "sanei_parport_info(): no /proc \n");
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return 0;
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}
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if (fic != NULL)
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{
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fread (buffer, 64, 1, fic);
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fclose (fic);
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sscanf (buffer, "base: %s", val);
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baseadr = strtol (val, NULL, 16);
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if (sscanf (buffer, "%d %d", &addr, &ecpaddr) > 0)
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{
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DBG (16, "parport at 0x%X\n", addr);
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ports =
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(char **) realloc (ports, (found + 2) * sizeof (char *));
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ports[found] = (char *) malloc (19);
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sprintf (ports[found], "0x%X", addr);
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found++;
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ports[found] = NULL;
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}
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}
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}
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#endif
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return ports;
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}
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char **
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sanei_parport_find_device (void)
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{
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char *devices[] = { "/dev/ppi0",
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"/dev/ppi1",
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"/dev/ppi2",
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"/dev/ppi3",
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"/dev/parport0",
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"/dev/parport1",
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"/dev/parport2",
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"/dev/parport3",
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NULL
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};
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int i, file;
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int rc = 0;
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int found = 0;
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char **ports = NULL;
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/* device finding */
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i = 0;
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while (devices[i] != NULL)
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{
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DBG (16, "Controling %s: ", devices[i]);
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file = open (devices[i], O_RDWR);
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if (file < 0)
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{
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switch (errno)
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{
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case ENOENT:
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#ifdef ENIO
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case ENXIO:
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#endif
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#ifdef ENODEV
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case ENODEV:
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#endif
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DBG (16, "no %s device ...\n", devices[i]);
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break;
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case EACCES:
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DBG (16, "current user cannot use existing %s device ...\n",
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devices[i]);
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break;
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default:
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perror (devices[i]);
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}
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}
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else
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{
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fread (buffer, 64, 1, fic);
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fclose (fic);
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if (sscanf (buffer, "%d %d", &baseadr, &ecpadr) < 1)
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#ifdef HAVE_LINUX_PPDEV_H
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/* on kernel < 2.4.23, you have to CLAIM the device
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* to check it really exists
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* we may hang if another program already claimed it
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*/
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rc = ioctl (file, PPCLAIM);
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if (rc)
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{
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/* empty base file */
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return 0;
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switch (errno)
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{
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case ENOENT:
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#ifdef ENXIO
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case ENXIO:
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#endif
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#ifdef ENODEV
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case ENODEV:
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#endif
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DBG (16, "no %s device ...\n", devices[i]);
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break;
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case EACCES:
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DBG (16, "current user cannot use existing %s device ...\n",
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devices[i]);
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break;
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default:
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DBG (16, "errno=%d\n", errno);
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perror (devices[i]);
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}
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*addr = baseadr;
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}
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return 1;
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else
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{
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rc = ioctl (file, PPRELEASE);
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}
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#endif /* HAVE_LINUX_PPDEV_H */
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close (file);
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if (!rc)
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{
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DBG (16, "adding %s to valid devices ...\n", devices[i]);
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ports =
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(char **) realloc (ports, (found + 2) * sizeof (char *));
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ports[found] = strdup (devices[i]);
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found++;
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ports[found] = NULL;
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}
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}
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/* suite */
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i++;
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}
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return ports;
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}
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@ -114,7 +114,6 @@ extern void sanei_umax_pp_setport (int port);
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extern int sanei_umax_pp_getport (void);
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extern void sanei_umax_pp_setparport (int fd);
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extern int sanei_umax_pp_getparport (void);
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extern int sanei_parport_info (int number, int *addr);
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extern void sanei_umax_pp_setastra (int mod);
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extern int sanei_umax_pp_getastra (void);
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extern int sanei_umax_pp_ScannerStatus (void);
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@ -122,5 +121,7 @@ extern int sanei_umax_pp_ReleaseScanner (void);
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extern int sanei_umax_pp_EndSession (void);
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extern int sanei_umax_pp_ProbeScanner (int recover);
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extern char **sanei_parport_find_port (void);
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extern char **sanei_parport_find_device (void);
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extern int sanei_umax_pp_CmdSync (int cmd);
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@ -330,7 +330,8 @@ sanei_umax_pp_cancel (void)
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int
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sanei_umax_pp_start (int x, int y, int width, int height, int dpi, int color,
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int autoset,
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int brightness, int contrast, int *rbpp, int *rtw, int *rth)
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int brightness, int contrast, int *rbpp, int *rtw,
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int *rth)
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{
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int col = BW_MODE;
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