kopia lustrzana https://gitlab.com/sane-project/backends
103 wiersze
2.7 KiB
C
103 wiersze
2.7 KiB
C
#ifndef __HPSJ5S_MIDDLE_LEVEL_API_HEADER__
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#define __HPSJ5S_MIDDLE_LEVEL_API_HEADER__
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#include <ieee1284.h>
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/*Scanner hardware registers*/
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#define REGISTER_FUNCTION_CODE 0x70 /*Here goes function code */
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#define REGISTER_FUNCTION_PARAMETER 0x60 /*Here goes function param */
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#define ADDRESS_RESULT 0x20 /*Here we get result */
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/*Scanner functions (not all - some of them I can't identify)*/
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#define FUNCTION_SETUP_HARDWARE 0xA0
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/*Scanner hardware control flags:*/
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/*Set this flag and non-zero speed to start rotation*/
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#define FLAGS_HW_MOTOR_READY 0x1
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/*Set this flag to turn on lamp*/
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#define FLAGS_HW_LAMP_ON 0x2
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/*Set this flag to turn indicator lamp off*/
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#define FLAGS_HW_INDICATOR_OFF 0x4
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/*
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Types:
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*/
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/*Color modes we support: 1-bit Drawing, 2-bit Halftone, 8-bit Gray Scale, 24-bt True Color*/
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typedef enum
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{ Drawing, Halftone, GrayScale, TrueColor }
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enumColorDepth;
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/*Middle-level API:*/
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static int OpenScanner (const char *scanner_path);
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static void CloseScanner (int handle);
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static int DetectScanner (void);
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static void StandByScanner (void);
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static void SwitchHardwareState (SANE_Byte mask, SANE_Byte invert_mask);
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static int CheckPaperPresent (void);
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static int ReleasePaper (void);
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static int PaperFeed (SANE_Word wLinesToFeed);
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static void TransferScanParameters (enumColorDepth enColor,
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SANE_Word wResolution,
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SANE_Word wCorrectedLength);
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static void TurnOnPaperPulling (enumColorDepth enColor,
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SANE_Word wResolution);
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static void TurnOffPaperPulling (void);
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static SANE_Byte GetCalibration (void);
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static void CalibrateScanElements (void);
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/*Internal-use functions:*/
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static int OutputCheck (void);
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static int InputCheck (void);
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static int CallCheck (void);
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static void LoadingPaletteToScanner (void);
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/*Low level warappers:*/
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static void WriteAddress (SANE_Byte Address);
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static void WriteData (SANE_Byte Data);
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static void WriteScannerRegister (SANE_Byte Address, SANE_Byte Data);
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static void CallFunctionWithParameter (SANE_Byte Function,
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SANE_Byte Parameter);
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static SANE_Byte CallFunctionWithRetVal (SANE_Byte Function);
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static SANE_Byte ReadDataByte (void);
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static void ReadDataBlock (SANE_Byte * Buffer, int length);
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/*Daisy chaining API: (should be moved to ieee1284 library in future)*/
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/*Deselect all devices in chain on this port.*/
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static void daisy_deselect_all (struct parport *port);
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/*Select device with number 'daisy' in 'mode'.*/
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static int daisy_select (struct parport *port, int daisy, int mode);
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/*Setup address for device in chain on this port*/
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static int assign_addr (struct parport *port, int daisy);
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/* Send a daisy-chain-style CPP command packet. */
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static int cpp_daisy (struct parport *port, int cmd);
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#endif
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