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-rw-r--r--camlibs/mustek/core.c809
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diff --git a/camlibs/mustek/core.c b/camlibs/mustek/core.c
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+/*
+ * Copyright © 1999/2000 by Henning Zabel <henning@uni-paderborn.de>
+ *
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+/*
+ * gphoto driver for the Mustek MDC800 Digital Camera. The driver
+ * supports rs232 and USB.
+ */
+
+#include <stdlib.h>
+#include <string.h>
+
+#include <gphoto2/gphoto2-library.h>
+#include <gphoto2/gphoto2-result.h>
+
+#include "core.h"
+#include "print.h"
+
+#ifdef ENABLE_NLS
+# include <libintl.h>
+# undef _
+# define _(String) dgettext (GETTEXT_PACKAGE, String)
+# ifdef gettext_noop
+# define N_(String) gettext_noop (String)
+# else
+# define _(String) (String)
+# define N_(String) (String)
+# endif
+#else
+# define _(String) (String)
+# define N_(String) (String)
+#endif
+
+/*---------------------- Funktion for Communication ------------------------ */
+
+/*
+ * Send the Initial Command. If the device is rs232 this
+ * function will probe for the baudrate.
+ */
+static int
+mdc800_sendInitialCommand (Camera *camera, char* answer)
+{
+ int baud_rates[3]={19200,57600,115200};
+ int rate,ret;
+ char command [8]={COMMAND_BEGIN,COMMAND_INIT_CONNECT,0,0,0,COMMAND_END,0,0};
+
+ if (camera->port->type == GP_PORT_USB)
+ return mdc800_io_sendCommand_with_retry(camera->port,command,answer,8,1,1);
+ for (rate=0;rate<3;rate++)
+ {
+ GPPortSettings settings;
+
+ ret = gp_port_get_settings(camera->port,&settings);
+ if (ret != GP_OK) return ret;
+ settings.serial.speed = baud_rates[rate];
+ ret = gp_port_set_settings(camera->port, settings);
+ if (ret != GP_OK) return ret;
+ if (GP_OK==mdc800_io_sendCommand_with_retry(camera->port,command,answer,8,1,1)) {
+ printCoreNote("RS232 Baudrate probed at %d.\n",baud_rates[rate]);
+ return GP_OK;
+ }
+ printCoreError("Probing RS232 Baudrate with %d fails.\n",baud_rates[rate]);
+ }
+ printCoreError ("Probing failed completly.\n");
+ return GP_ERROR_IO;
+}
+
+/*
+ * Opens the Camera:
+ * (camera is already opened by gphoto2)
+ * (1) send Initial command
+ */
+int mdc800_openCamera (Camera *camera)
+{
+ char answer [8];
+ int i,ret;
+
+ if (camera->port->type == GP_PORT_USB) {
+ printCoreNote ("Device Registered as USB.\n");
+ } else {
+ printCoreNote ("Device Registered as RS232. \n");
+ }
+
+ camera->pl = malloc(sizeof(struct _CameraPrivateLibrary));
+ if (!camera->pl)
+ return GP_ERROR_NO_MEMORY;
+ camera->pl->system_flags_valid = 0;
+ camera->pl->memory_source = -1;
+
+ /* Send initial command */
+ ret = mdc800_sendInitialCommand(camera,answer);
+ if (ret != GP_OK)
+ {
+ printCoreError ("(mdc800_openCamera) can't send initial command.\n");
+ return ret;
+ }
+ printCoreNote ("Firmware info (last 5 Bytes) : ");
+ for (i=0; i<8; i++)
+ printCoreNote ("%i ",(unsigned char) answer[i]);
+ printCoreNote ("\n");
+ camera->pl->system_flags_valid=0;
+ camera->pl->memory_source=-1;
+ ret = mdc800_setDefaultStorageSource(camera);
+ if (ret != GP_OK) {
+ printCoreError ("(mdc800_openCamera) can't set Storage Source.\n");
+ return ret;
+ }
+ return GP_OK;
+}
+
+int mdc800_closeCamera (Camera *camera)
+{
+ if (camera->pl) {
+ free(camera->pl);
+ camera->pl = NULL;
+ }
+ return GP_OK;
+}
+
+
+/*
+ * Sets the camera speed to the defined value:
+ * 0: 19200, 1:57600, 2: 115200
+ */
+int mdc800_changespeed (Camera *camera,int new)
+{
+ int baud_rate [3]={19200,57600,115200};
+ GPPortSettings settings;
+ int ret,oldrate;
+
+ printFnkCall ("(mdc800_changespeed) called.\n");
+ if (camera->port->type != GP_PORT_SERIAL) /* USB ... */
+ return GP_OK;
+
+ gp_port_get_settings(camera->port,&settings);
+
+ if (settings.serial.speed == baud_rate[new]) /* nothing to do */
+ return GP_OK;
+
+ for (oldrate=0;oldrate<sizeof(baud_rate)/sizeof(baud_rate[0]);oldrate++)
+ if (baud_rate[oldrate] == settings.serial.speed)
+ break;
+
+ /* We did not find it? Can't happen? */
+ if (oldrate == sizeof(baud_rate)/sizeof(baud_rate[0]))
+ return GP_ERROR_IO;
+
+ /* Setting comunication speed */
+ ret = mdc800_io_sendCommand(camera->port,COMMAND_CHANGE_RS232_BAUD_RATE,new,oldrate,0,0,0);
+ if (ret != GP_OK)
+ {
+ printCoreError ("(mdc800_changespeed) can't send first command.\n");
+ return GP_ERROR_IO;
+ }
+ settings.serial.speed = baud_rate[new];
+ ret = gp_port_set_settings(camera->port,settings);
+ if (ret != GP_OK)
+ {
+ printCoreError ("(mdc800_changespeed) Changing Baudrate fails.\n");
+ return ret;
+ }
+ /* Second Command */
+ ret = mdc800_io_sendCommand(camera->port,COMMAND_CHANGE_RS232_BAUD_RATE,new,new,0,0,0);
+ if (ret != GP_OK)
+ {
+ printCoreError ("(mdc800_changespeed) can't send second command.\n");
+ return ret;
+ }
+ printCoreNote ("Set Baudrate to %d\n", baud_rate[new]);
+ return GP_OK;
+}
+
+/*
+ * Get the current Bautrate
+ */
+int mdc800_getSpeed (Camera *camera, int *speed)
+{
+ int rate, ret, baud_rate [3]={19200,57600,115200};
+ GPPortSettings settings;
+
+ if (camera->port->type != GP_PORT_SERIAL)
+ return GP_ERROR_IO;
+
+ ret = gp_port_get_settings(camera->port,&settings);
+ if (ret!=GP_OK) return ret;
+
+ for (rate=0;rate<3;rate++)
+ if (settings.serial.speed == baud_rate[rate])
+ break;
+ if (rate == 3)
+ return GP_ERROR_IO;
+ *speed = rate;
+ return GP_OK;
+}
+
+
+/*
+ * Sets Target
+ * 1: image, 2:thumbnail, 3:video, 4:not setting
+ */
+int mdc800_setTarget (Camera *camera,int value)
+{
+ return mdc800_io_sendCommand(camera->port,COMMAND_SET_TARGET,value,0,0,0,0);
+}
+
+
+/*
+ * Loads a thumbnail from the cam .
+ */
+int mdc800_getThumbnail (Camera *camera,int index, void **data, int *size)
+{
+ int ret;
+
+ printFnkCall ("(mdc800_getThumbNail) called for %i . \n",index);
+
+ *size = 4096;
+ *data = malloc(4096);
+ if (!*data)
+ return GP_ERROR_NO_MEMORY;
+ ret = mdc800_io_sendCommand(camera->port,COMMAND_GET_THUMBNAIL,index/100,(index%100)/10,index%10,*data,4096);
+ if (ret != GP_OK)
+ {
+ printCoreError ("(mdc800_getThumbNail) can't get Thumbnail.\n");
+ return ret;
+ }
+ mdc800_correctImageData(*data,1,0,camera->pl->memory_source == 1);
+ return GP_OK;
+}
+
+
+
+/*
+ * Load an Image from the cam ..
+ */
+int mdc800_getImage (Camera *camera, int nr, void **data, int *size)
+{
+ unsigned char buffer[3];
+ int imagequality=-1;
+ int imagesize=0;
+ int ret;
+
+ printFnkCall ("(mdc800_getImage) called for %i . \n",nr);
+
+ ret = mdc800_setTarget (camera,1);
+ if (GP_OK != ret) {
+ printCoreError ("(mdc800_getImage) can't set Target. \n");
+ return ret;
+ }
+ ret = mdc800_io_sendCommand(camera->port,COMMAND_GET_IMAGE_SIZE,nr/100,(nr%100)/10,nr%10,buffer,3);
+ if (ret != GP_OK)
+ {
+ printCoreError ("(mdc800_getImage) request for Imagesize of %i fails.\n",nr);
+ return ret;
+ }
+
+ imagesize = buffer[0]*65536+buffer[1]*256+buffer[2];
+ printCoreNote ("Imagesize of %i is %i ",nr,imagesize);
+ switch (imagesize/1024)
+ {
+ case 48:
+ imagequality=0;
+ printCoreNote ("(Economic Quality 506x384)\n");
+ break;
+ case 128:
+ imagequality=1;
+ printCoreNote ("(Standard Quality 1012x768)\n");
+ break;
+ case 320:
+ imagequality=2;
+ printCoreNote ("(High Quality 1012x768)\n");
+ break;
+ case 4:
+ printCoreNote ("(ThumbNail ? 112x96)\n");
+ imagequality=-1;
+ break;
+ default:
+ printCoreNote ("(not detected)\n");
+ return 0;
+ }
+ *size = imagesize;
+ *data = malloc(imagesize);
+ ret = mdc800_io_sendCommand(camera->port,COMMAND_GET_IMAGE,nr/100,(nr%100)/10,nr%10,*data,imagesize);
+ if (ret != GP_OK) {
+ printCoreError ("(mdc800_getImage) request fails for Image %i.\n",nr);
+ return 0;
+ }
+ mdc800_correctImageData(*data,imagequality == -1,imagequality,camera->pl->memory_source == 1);
+ return GP_OK;
+}
+
+
+
+/* ------ SystemStatus of the Camera ------------------------------------------/ */
+
+
+/* Load the Status from the camera if necessary */
+int mdc800_getSystemStatus (Camera *camera)
+{
+ int ret = GP_OK;
+ int tries = 3;
+ if (camera->pl->system_flags_valid)
+ return GP_OK;
+ fprintf(stderr,"mdc800_getSystemStatus entered...\n");
+ while (tries--) {
+ ret = mdc800_io_sendCommand(camera->port,COMMAND_GET_SYSTEM_STATUS,0,0,0,camera->pl->system_flags,4);
+ if (ret == GP_OK)
+ break;
+ }
+ if (ret!=GP_OK)
+ {
+ printCoreError ("(mdc800_getSystemStatus) request fails.\n");
+ return ret;
+ }
+ fprintf(stderr,"mdc800_getSystemStatus leaving.\n");
+ camera->pl->system_flags_valid=1;
+ return GP_OK;
+}
+
+
+int mdc800_isCFCardPresent(Camera *camera)
+{
+ mdc800_getSystemStatus(camera);
+ if (camera->pl->system_flags_valid)
+ return (((unsigned char)camera->pl->system_flags[0]&1) == 0);
+ else
+ {
+ printCoreError ("(mdc800_isCFCardPresent) detection fails.\n");
+ return 0;
+ }
+}
+
+
+int mdc800_isBatteryOk(Camera *camera)
+{
+ mdc800_getSystemStatus(camera);
+ return (((unsigned char)camera->pl->system_flags[0]&4) == 0)?1:0;
+}
+
+
+/*
+ * Gets CamMode.
+ * 0: Camera, 1: Playback, 2:VCam
+ */
+int mdc800_getMode(Camera *camera)
+{
+ mdc800_getSystemStatus(camera);
+ if (((unsigned char)camera->pl->system_flags[1]&16) == 0)
+ return (((unsigned char)camera->pl->system_flags[1]&32) == 0)?1:0;
+ else
+ return 2;
+}
+
+
+/*
+ * Return status of Flashlight. The
+ * answer is one of MDC800_FLASHLIGHT_ Mask.
+ */
+int mdc800_getFlashLightStatus(Camera *camera)
+{
+ mdc800_getSystemStatus(camera);
+ return ((unsigned char)camera->pl->system_flags[3]&7);
+}
+
+
+int mdc800_isLCDEnabled(Camera *camera)
+{
+ mdc800_getSystemStatus(camera);
+ return (((unsigned char)camera->pl->system_flags[1]&4) == 4);
+}
+
+
+int mdc800_isMenuOn(Camera *camera)
+{
+ mdc800_getSystemStatus(camera);
+ return (((unsigned char)camera->pl->system_flags[1]&1) == 1);
+}
+
+int mdc800_isAutoOffEnabled(Camera *camera)
+{
+ mdc800_getSystemStatus(camera);
+ return (((unsigned char)camera->pl->system_flags[1]&8) == 8);
+}
+
+/* ----- Other fine functions------------------------------------------------- */
+
+
+/*
+ * Sets Source of Images :
+ * 0: FlashCard, 1: Internal Memory
+ */
+int mdc800_setStorageSource (Camera *camera,int flag)
+{
+ int ret;
+ if (flag == camera->pl->memory_source)
+ return GP_OK;
+
+ /* Check wether FlashCard is present */
+ if ((flag == 0) && mdc800_isCFCardPresent (camera))
+ {
+ printCoreNote ("There's is no FlashCard in the Camera !\n");
+ return GP_OK;
+ }
+ printFnkCall ("(mdc800_setStorageSource) called with flag=%i\n",flag);
+ ret=mdc800_io_sendCommand(camera->port,COMMAND_SET_STORAGE_SOURCE,flag,0,0,0,0);
+ if (ret != GP_OK)
+ {
+ if (flag)
+ {
+ printCoreError ("Can't set InternalMemory as Input!\n");
+ }
+ else
+ {
+ printCoreError ("Can't set FlashCard as Input!\n");
+ }
+ return ret;
+ }
+
+ printCoreNote ("Storage Source set to ");
+ if (flag) {
+ printCoreNote ("Internal Memory.\n");
+ } else {
+ printCoreNote ("Compact Flash Card.\n");
+ }
+ camera->pl->system_flags_valid=0;
+ camera->pl->memory_source=flag;
+ return GP_OK;
+}
+
+
+/*
+ * Sets the default storage source.
+ * Default means, that if there's a FlashCard, the Flashcard
+ * is used, else the InternalMemory
+ *
+ * If camera->pl->memory_source is set ( after driver has been closed ),
+ * this value will be used.
+ */
+int mdc800_setDefaultStorageSource (Camera *camera)
+{
+ int ret,source;
+
+ if (camera->pl->memory_source != -1)
+ {
+ source=camera->pl->memory_source;
+ camera->pl->memory_source=-1;
+ }
+ else
+ {
+ source=mdc800_isCFCardPresent (camera)?0:1;
+ }
+ ret=mdc800_setStorageSource (camera,source);
+ if (ret!=GP_OK)
+ {
+ printCoreError ("(mdc800_setDefaultStorageSource) Setting Storage Source fails\n");
+ return ret;
+ }
+ return GP_OK;
+}
+
+
+/*
+ * Returns what StorageSource is selected by the driver
+ * 0: FlashCard, 1: Internal
+ */
+int mdc800_getStorageSource(Camera *camera)
+{
+ if (camera->pl->memory_source == -1)
+ mdc800_setDefaultStorageSource(camera);
+ return camera->pl->memory_source;
+}
+
+
+
+/*
+ * Sets Camera to Camera- or PlaybackMode
+ * m: 0 Camera, 1 Playback, 2:VCam (USB)
+ */
+int mdc800_setMode (Camera *camera,int m)
+{
+ int last=mdc800_getMode (camera);
+ int ret;
+/*
+ if (mdc800_getMode () == m)
+ return 1;
+*/
+ switch (m)
+ {
+ case 0:
+ ret = mdc800_io_sendCommand(camera->port,COMMAND_SET_CAMERA_MODE,0,0,0,0,0);
+ if (ret != GP_OK)
+ {
+ printCoreError ("(mdc800_setMode) setting Camera Mode fails\n");
+ return ret;
+ }
+ if (last != m)
+ printCoreNote ("Mode set to Camera Mode.\n");
+ break;
+
+ case 1:
+ ret = mdc800_io_sendCommand(camera->port,COMMAND_SET_PLAYBACK_MODE,0,0,0,0,0);
+ if (ret != GP_OK)
+ {
+ printCoreError ("(mdc800_setMode) setting Playback Mode fails\n");
+ return ret;
+ }
+ if (last != m)
+ printCoreNote ("Mode set to Payback Mode.\n");
+ break;
+
+ }
+ camera->pl->system_flags_valid=0;
+ return GP_OK;
+}
+
+
+/*
+ * Sets up Flashlight. The waitForCommit waits a long
+ * time, to give the camera enough time to load the
+ * flashlight.
+ */
+int mdc800_setFlashLight (Camera* camera,int value)
+{
+ int command=0,redeye_flag=0,ret;
+
+ if (mdc800_getFlashLightStatus (camera) == value)
+ return GP_OK;
+
+ redeye_flag=(value&MDC800_FLASHLIGHT_REDEYE) != 0;
+
+ if ((value&MDC800_FLASHLIGHT_ON) != 0)
+ command=COMMAND_SET_FLASHMODE_ON;
+ else if ((value&MDC800_FLASHLIGHT_OFF) != 0)
+ {
+ command=COMMAND_SET_FLASHMODE_OFF;
+ redeye_flag=0;
+ }
+ else
+ command=COMMAND_SET_FLASHMODE_AUTO;
+
+ camera->pl->system_flags_valid=0;
+ ret = mdc800_io_sendCommand(camera->port,command,redeye_flag,0,0,0,0);
+ if (ret != GP_OK)
+ {
+ printCoreError ("(mdc800_setFlashLight) sending command fails.\n");
+ return ret;
+ }
+ printCoreNote ("%s", mdc800_getFlashLightString(value));
+ printCoreNote ("\n");
+ return GP_OK;
+}
+
+/*
+ * Gets a String with the Text of the Flashlight-Status
+ * depending on value
+ */
+char* mdc800_getFlashLightString (int value)
+{
+ switch (value)
+ {
+ case ( MDC800_FLASHLIGHT_REDEYE | MDC800_FLASHLIGHT_AUTO ) :
+ return _("FlashLight : Auto (RedEye Reduction)");
+ case MDC800_FLASHLIGHT_AUTO :
+ return _("FlashLight : Auto");
+ case ( MDC800_FLASHLIGHT_REDEYE | MDC800_FLASHLIGHT_ON ) :
+ return _("FlashLight : On (RedEye Reduction)");
+ case MDC800_FLASHLIGHT_ON :
+ return _("FlashLight : On");
+ case MDC800_FLASHLIGHT_OFF :
+ return _("FlashLight : Off");
+ }
+ return _("FlashLight : undefined");
+}
+
+
+/*
+ * Enable/Disable the LCD
+ */
+int mdc800_enableLCD (Camera*camera,int enable)
+{
+ int ret,command;
+ if (enable == mdc800_isLCDEnabled (camera))
+ return GP_OK;
+
+ if (enable)
+ command=COMMAND_SET_LCD_ON;
+ else
+ command=COMMAND_SET_LCD_OFF;
+
+ camera->pl->system_flags_valid=0;
+ ret = mdc800_io_sendCommand (camera->port,command,0,0,0,0,0);
+ if (ret!=GP_OK)
+ {
+ printCoreError ("(mdc800_enableLCD) can't enable/disable LCD\n");
+ return ret;
+ }
+ if (enable)
+ {
+ printCoreNote ("LCD is enabled\n");
+ }
+ else
+ {
+ printCoreNote ("LCD is disabled\n");
+ }
+ return GP_OK;
+}
+
+
+/*
+ * Shows the specified Image, the Camera has to
+ * be in Playback Mode !
+ */
+int mdc800_playbackImage (Camera *camera,int nr )
+{
+ int ret;
+ ret = mdc800_getMode (camera);
+ if (ret != GP_OK)
+ {
+ printCoreError ("(mdc800_showImage) camera must be in Playback Mode !");
+ return ret;
+ }
+
+ ret = mdc800_io_sendCommand (camera->port,COMMAND_PLAYBACK_IMAGE,nr/100,(nr%100)/10,nr%10,0,0);
+ if (ret!=GP_OK)
+ {
+ printCoreError ("(mdc800_showImage) can't playback Image %i \n",nr);
+ return ret;
+ }
+ return GP_OK;
+}
+
+/*
+ * With ths function you can get information about, how many
+ * pictures can be stored in the free memory of the camera.
+ *
+ * h: High Quality, s: Standard Quality, e: Economy Quality
+ * If one of these Pointers are 0 the will be ignored.
+ */
+int mdc800_getRemainFreeImageCount (Camera *camera,int* h,int* s,int *e)
+{
+ unsigned char data [6];
+ int ret;
+
+ ret = mdc800_io_sendCommand (camera->port,COMMAND_GET_REMAIN_FREE_IMAGE_COUNT,0,0,0,(char*)data,6);
+ if (ret != GP_OK)
+ {
+ printCoreError ("(mdc800_getRemainFreeImageCount) Error sending Command.\n");
+ return ret;
+ }
+
+ if (h != 0)
+ (*h)=(int)((data[0]/16)*1000)+((data[0]%16)*100)+((data[1]/16)*10)+(data[1]%16);
+ if (s != 0)
+ (*s)=(int)((data[2]/16)*1000)+((data[2]%16)*100)+((data[3]/16)*10)+(data[3]%16);
+ if (e != 0)
+ (*e)=(int)((data[4]/16)*1000)+((data[4]%16)*100)+((data[5]/16)*10)+(data[5]%16);
+ return GP_OK;
+}
+
+
+/*
+ * Get Image Quallity
+ * 0: Economic, 1:Standard, 2:High
+ */
+int mdc800_getImageQuality (Camera *camera, char *retval)
+{
+ int ret;
+ ret = mdc800_io_sendCommand (camera->port,COMMAND_GET_IMAGE_QUALITY,0,0,0,retval,1);
+ if (ret!=GP_OK)
+ {
+ printCoreError ("(mdc800_getImageQuality) fails.\n");
+ return ret;
+ }
+ return GP_OK;
+}
+
+
+/*
+ * Set Image Quality, return GP_OK if ok.
+ */
+int mdc800_setImageQuality (Camera *camera,int v)
+{
+ return mdc800_io_sendCommand (camera->port,COMMAND_SET_IMAGE_QUALITY,v,0,0,0,0);
+}
+
+
+
+/*
+ * Set the WhiteBalance value
+ * 1:auto ,2:indoor, 4:indoor with flashlight, 8:outdoor
+ */
+int mdc800_setWB (Camera *camera, int v)
+{
+ return mdc800_io_sendCommand(camera->port,COMMAND_SET_WB,v,0,0,0,0);
+}
+
+
+/*
+ * Return the Exposure settings and W.B.
+ */
+int mdc800_getWBandExposure (Camera *camera,int* exp, int* wb)
+{
+ char retval[2];
+ int ret;
+
+ /* What's that here is a real diffenrence between USB and RS232 */
+ int toggle= (camera->port->type == GP_PORT_USB);
+
+ ret = mdc800_io_sendCommand(camera->port,COMMAND_GET_WB_AND_EXPOSURE,0,0,0,retval,2);
+ if (ret == GP_OK)
+ {
+ (*exp)=(unsigned char) retval[toggle]-2;
+ (*wb)=(unsigned char) retval[1-toggle];
+ return 1;
+ }
+ printCoreError ("(mdc800_getWBandExposure) fails.\n");
+ return 0;
+}
+
+
+/*
+ * Sets the Exposure Value
+ */
+int mdc800_setExposure (Camera *camera,int v)
+{
+ return mdc800_io_sendCommand(camera->port,COMMAND_SET_EXPOSURE,v+2,0,0,0,0);
+}
+
+/*
+ * Sets the Exposure Mode
+ * 0: MTRX 1:CNTR
+ */
+int mdc800_setExposureMode (Camera *camera,int m)
+{
+ return mdc800_io_sendCommand (camera->port,COMMAND_SET_EXPOSURE_MODE,m,0,0,0,0);
+}
+
+
+/*
+ * return the Exposure Mode or -1
+ */
+int mdc800_getExposureMode (Camera *camera,int *retval)
+{
+ unsigned char cretval;
+ int ret;
+ ret = mdc800_io_sendCommand (camera->port,COMMAND_GET_EXPOSURE_MODE,0,0,0,&cretval,1);
+ if (ret == GP_OK)
+ *retval = cretval;
+ return ret;
+}
+
+/*
+ * Enable, Disable the Menu
+ */
+int mdc800_enableMenu (Camera *camera,int enable)
+{
+ char command=enable?COMMAND_SET_MENU_ON:COMMAND_SET_MENU_OFF;
+
+ if (enable == mdc800_isMenuOn (camera))
+ return GP_OK;
+ camera->pl->system_flags_valid=0;
+ return mdc800_io_sendCommand (camera->port,command,0,0,0,0,0);
+}
+
+int mdc800_number_of_pictures (Camera *camera, int *nrofpics)
+{
+ unsigned char answer [2];
+ int ret;
+
+ printFnkCall ("(mdc800_number_of_pictures) called.\n");
+
+ ret= mdc800_setTarget (camera, 1);
+ if (ret != GP_OK)
+ {
+ printAPIError ("(mdc800_number_of_pictures) can't set Target\n");
+ return ret;
+ }
+
+/*
+ if (!mdc800_setMode (1))
+ {
+ printError ("(mdc800_number_of_pictures) can't set Mode\n");
+ mdc800_close ();
+ return 0;
+ }
+*/
+
+ ret = mdc800_io_sendCommand(camera->port,COMMAND_GET_NUM_IMAGES,0,0,0,(char*)answer,2);
+ if (ret != GP_OK)
+ {
+ printAPIError ("(mdc800_getNumberOfImages) request Number of Pictures fails.\n");
+ return ret;
+ }
+ *nrofpics=(int)answer[0]*256+answer [1];
+ return GP_OK;
+}