kopia lustrzana https://gitlab.com/sane-project/backends
protocol implementation in progress
Benoit Juin
rodzic
315fe1fdf5
commit
d343dc963b
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@ -34,32 +34,76 @@ static SANE_Range y_range = {
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2 /* quantization */
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};
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static SANE_Int command1_block_size = 28;
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static SANE_Byte command1_block[] = {
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0xA5, 0x00, 0x19, 0x10, 0x01, 0x83, 0xAA, 0xBB,
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0xCC, 0xDD, 0x02, 0x00, 0x1B, 0x53, 0x03, 0x00,
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0x00, 0x00, 0x80, 0x00, 0xAA, 0xBB, 0xCC, 0xDD,
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0xAA, 0xBB, 0xCC, 0xDD};
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static SANE_Int command2_block_size = 28;
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static SANE_Byte command2_block[] = {
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0xA5, 0x00, 0x19, 0x10, 0x01, 0x83, 0xAA, 0xBB,
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0xCC, 0xDD, 0x02, 0x00, 0x1B, 0x53, 0x04, 0x00,
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0x00, 0x00, 0x80, 0x00, 0xAA, 0xBB, 0xCC, 0xDD,
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0xAA, 0xBB, 0xCC, 0xDD};
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static SANE_Int command_with_params_block_size = 52;
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static SANE_Byte command_with_params_block[] = {
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0xA5, 0x00, 0x31, 0x10, 0x01, 0x83, 0xAA, 0xBB,
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0xCC, 0xDD, 0x02, 0x00, 0x1B, 0x53, 0x05, 0x00,
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0x18, 0x00, 0x80, 0x00, 0xFF, 0x00, 0x00, 0x02,
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0xFF, 0xFF, 0x00, 0x00, 0xFF, 0xFF, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0xFF, 0xFF, 0xFF, 0xFF, 0xAA, 0xBB, 0xCC, 0xDD,
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0xAA, 0xBB, 0xCC, 0xDD};
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SANE_Status
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usb_write_then_read_twice (Lexmark_Device * dev, SANE_Byte * cmd, size_t cmd_size)
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usb_write_then_read (Lexmark_Device * dev, SANE_Byte * cmd, size_t cmd_size)
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{
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size_t buf_size;
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SANE_Byte buf[128];
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size_t buf_size = 128;
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SANE_Byte buf[buf_size];
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SANE_Status status;
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DBG (2, "USB WRITE device:%d size:%d cmd:%p\n", dev->devnum, cmd_size, cmd[0]);
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sanei_usb_set_endpoint(dev->devnum, USB_DIR_OUT|USB_ENDPOINT_TYPE_BULK, 0x02);
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status = sanei_usb_write_bulk (dev->devnum, cmd, &cmd_size);
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if (status != SANE_STATUS_GOOD)
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{
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DBG (1, "USB IO Error in sane_start, cannot launch scan");
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DBG (1, "USB WRITE IO Error in usb_write_then_read, cannot launch scan status: %d\n", status);
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return status;
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}
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//sanei_usb_set_endpoint(dev->devnum, USB_DIR_IN|USB_ENDPOINT_TYPE_BULK , 0x01);
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status = sanei_usb_read_bulk (dev->devnum, buf, &buf_size);
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if (status != SANE_STATUS_GOOD)
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if (status != SANE_STATUS_GOOD && status != SANE_STATUS_EOF)
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{
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DBG (1, "USB IO Error in sane_start, cannot launch scan");
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DBG (1, "USB READ IO Error in usb_write_then_read, cannot launch scan\n");
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return status;
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}
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status = sanei_usb_read_bulk (dev->devnum, buf, &buf_size);
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if (status != SANE_STATUS_GOOD)
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{
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DBG (1, "USB IO Error in sane_start, cannot launch scan");
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return status;
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}
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return status;
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return SANE_STATUS_GOOD;
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}
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void
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build_packet(Lexmark_Device * dev, SANE_Byte packet_id, SANE_Byte * buffer){
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memcpy(buffer, command_with_params_block, command_with_params_block_size);
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// protocole related... "ID?"
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buffer[14] = packet_id;
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// mode
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buffer[20] = 0x02;
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// pixel width
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buffer[24] = 0xF0;
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buffer[25] = 0x00;
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// pixel height
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buffer[28] = 0xF0;
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buffer[29] = 0x00;
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// dpi x
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buffer[40] = 0xC8;
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buffer[41] = 0x00;
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// dpi y
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buffer[42] = 0xC8;
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buffer[43] = 0x00;
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}
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SANE_Status
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@ -170,7 +214,7 @@ init_options (Lexmark_Device * dev)
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od->unit = SANE_UNIT_PIXEL;
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od->constraint_type = SANE_CONSTRAINT_RANGE;
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od->constraint.range = &x_range;
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dev->val[OPT_BR_X].w = 1700;
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dev->val[OPT_BR_X].w = 1699;
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/* bottom-right y */
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od = &(dev->opt[OPT_BR_Y]);
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@ -183,7 +227,7 @@ init_options (Lexmark_Device * dev)
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od->unit = SANE_UNIT_PIXEL;
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od->constraint_type = SANE_CONSTRAINT_RANGE;
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od->constraint.range = &y_range;
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dev->val[OPT_BR_Y].w = 2338;
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dev->val[OPT_BR_Y].w = 2337;
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return SANE_STATUS_GOOD;
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}
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@ -214,15 +258,15 @@ attach_one (SANE_String_Const devname)
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if (lexmark_device == NULL)
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return SANE_STATUS_NO_MEM;
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status = sanei_usb_open (devname, &dn);
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if (status != SANE_STATUS_GOOD)
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{
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DBG (1, "attachLexmark: couldn't open device `%s': %s\n", devname,
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sane_strstatus (status));
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return status;
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}
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else
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DBG (2, "attachLexmark: device `%s' successfully opened\n", devname);
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/* status = sanei_usb_open (devname, &dn); */
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/* if (status != SANE_STATUS_GOOD) */
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/* { */
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/* DBG (1, "attachLexmark: couldn't open device `%s': %s\n", devname, */
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/* sane_strstatus (status)); */
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/* return status; */
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/* } */
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/* else */
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/* DBG (2, "attachLexmark: device `%s' successfully opened dn: %s\n", devname, dn); */
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lexmark_device->sane.name = strdup (devname);
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lexmark_device->sane.vendor = "Lexmark";
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@ -234,7 +278,7 @@ attach_one (SANE_String_Const devname)
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/* mark device as present */
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lexmark_device->missing = SANE_FALSE;
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sanei_usb_close (lexmark_device->devnum);
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//sanei_usb_close (lexmark_device->devnum);
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/* insert it a the start of the chained list */
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lexmark_device->next = first_device;
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@ -343,13 +387,25 @@ sane_open (SANE_String_Const devicename, SANE_Handle * handle)
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break;
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}
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*handle = lexmark_device;
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status = init_options (lexmark_device);
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if (status != SANE_STATUS_GOOD)
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return status;
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DBG(2, "sane_open: device `%s' opening devnum: '%d'\n", lexmark_device->sane.name, lexmark_device->devnum);
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status = sanei_usb_open (lexmark_device->sane.name, &(lexmark_device->devnum));
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if (status != SANE_STATUS_GOOD)
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{
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DBG (1, "sane_open: couldn't open device `%s': %s\n", lexmark_device->sane.name,
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sane_strstatus (status));
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return status;
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}
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else
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{
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DBG (2, "sane_open: device `%s' successfully opened devnum: '%d'\n", lexmark_device->sane.name, lexmark_device->devnum);
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}
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return status;
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}
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@ -563,17 +619,16 @@ sane_get_parameters (SANE_Handle handle, SANE_Parameters * params)
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params->pixels_per_line = device_params->pixels_per_line;
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params->bytes_per_line = device_params->bytes_per_line;
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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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sane_start (SANE_Handle handle)
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{
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Lexmark_Device *lexmark_device;
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Lexmark_Device * lexmark_device;
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SANE_Status status;
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SANE_Byte * cmd = (SANE_Byte *) malloc (command_with_params_block_size * sizeof (SANE_Byte));;
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DBG (2, "sane_start: handle=%p\n", (void *) handle);
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if (!initialized)
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@ -586,30 +641,25 @@ sane_start (SANE_Handle handle)
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break;
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}
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// launch scan commands
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static SANE_Byte cmd[] = { 0x80, 0x00, 0x00, 0xFF };
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status = usb_write_then_read_twice(lexmark_device, cmd, 4);
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//launch scan commands
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status = usb_write_then_read(lexmark_device, command1_block, command1_block_size);
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if (status != SANE_STATUS_GOOD)
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{
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DBG (1, "USB IO Error in sane_start, cannot launch scan");
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return status;
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}
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return status;
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status = usb_write_then_read_twice(lexmark_device, cmd, 4);
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status = usb_write_then_read(lexmark_device, command2_block, command2_block_size);
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if (status != SANE_STATUS_GOOD)
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{
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DBG (1, "USB IO Error in sane_start, cannot launch scan");
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return status;
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}
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return status;
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status = usb_write_then_read_twice(lexmark_device, cmd, 4);
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build_packet(lexmark_device, 0x05, cmd);
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DBG (2, "sane_start: cmd=%p\n", cmd);
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status = usb_write_then_read(lexmark_device, cmd, command_with_params_block_size);
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if (status != SANE_STATUS_GOOD)
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{
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DBG (1, "USB IO Error in sane_start, cannot launch scan");
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return status;
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}
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return status;
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build_packet(lexmark_device, 0x01, cmd);;
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status = usb_write_then_read(lexmark_device, cmd, command_with_params_block_size);
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if (status != SANE_STATUS_GOOD)
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return status;
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return SANE_STATUS_GOOD;
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}
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@ -617,9 +667,30 @@ SANE_Status
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sane_read (SANE_Handle handle, SANE_Byte * data,
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SANE_Int max_length, SANE_Int * length)
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{
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Lexmark_Device * lexmark_device;
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SANE_Status status;
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DBG (2, "sane_read: handle=%p, data=%p, max_length = %d, length=%p\n",
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(void *) handle, (void *) data, max_length, (void *) length);
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for (lexmark_device = first_device; lexmark_device;
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lexmark_device = lexmark_device->next)
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{
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if (lexmark_device == handle)
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break;
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}
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size_t size = 256;
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SANE_Byte buf[size];
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//sanei_usb_set_endpoint(lexmark_device->devnum, USB_DIR_IN|USB_ENDPOINT_TYPE_BULK , 0x01);
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status = sanei_usb_read_bulk (lexmark_device->devnum, buf, &size);
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if (status != SANE_STATUS_GOOD && status != SANE_STATUS_EOF)
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{
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DBG (1, "USB READ IO Error in usb_write_then_read, cannot launch scan\n");
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return status;
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}
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return SANE_STATUS_GOOD;
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}
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@ -650,7 +721,18 @@ sane_cancel (SANE_Handle handle)
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void
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sane_close (SANE_Handle handle)
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{
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Lexmark_Device * lexmark_device;
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DBG (2, "sane_close: handle=%p\n", (void *) handle);
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for (lexmark_device = first_device; lexmark_device;
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lexmark_device = lexmark_device->next)
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{
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if (lexmark_device == handle)
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break;
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}
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sanei_usb_close (lexmark_device->devnum);
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}
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void
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