/*............................................................................. * Project : SANE library for Plustek USB flatbed scanners. *............................................................................. * File: plustek-usbhw.c *............................................................................. * * based on sources acquired from Plustek Inc. * Copyright (C) 2001-2002 Gerhard Jaeger *............................................................................. * History: * 0.40 - starting version of the USB support * 0.41 - added EPSON1250 specific stuff * - added alternative usb_IsScannerReady function * 0.42 - added warmup stuff * added UMAX 3400 stuff * fixed problem with minimum wait time... * 0.43 - added usb_switchLamp for non-Plustek devices * *............................................................................. * * This file is part of the SANE package. * * 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., 59 Temple Place - Suite 330, Boston, * MA 02111-1307, USA. * * As a special exception, the authors of SANE give permission for * additional uses of the libraries contained in this release of SANE. * * The exception is that, if you link a SANE library with other files * to produce an executable, this does not by itself cause the * resulting executable to be covered by the GNU General Public * License. Your use of that executable is in no way restricted on * account of linking the SANE library code into it. * * This exception does not, however, invalidate any other reasons why * the executable file might be covered by the GNU General Public * License. * * If you submit changes to SANE to the maintainers to be included in * a subsequent release, you agree by submitting the changes that * those changes may be distributed with this exception intact. * * If you write modifications of your own for SANE, it is your choice * whether to permit this exception to apply to your modifications. * If you do not wish that, delete this exception notice. */ #include #define DEV_LampReflection 1 #define DEV_LampTPA 2 #define DEV_LampAll 3 #define DEV_LampPositive 4 #define DEV_LampNegative 5 /* HEINER: check the tick counts 'cause 1 tick on NT is about 10ms */ static u_long dwCrystalFrequency = 48000000UL; static SANE_Bool fModuleFirstHome; /* HEINER: this has to be initialized */ static SANE_Bool fLastScanIsAdf; static u_char a_bRegs[0x80]; /** usb_GetMotorSet * according to the model, the function returns the address of * the corresponding entry of the Motor table */ static pClkMotorDef usb_GetMotorSet( eModelDef model ) { int i; for( i = 0; i < MODEL_LAST; i++ ) { if( model == Motors[i].motorModel ) { return &(Motors[i]); } } return NULL; } /** switch motor on or off * @param handle - handle to open USB device * @param fOn - SANE_TRUE means motor on, SANE_FALSE means motor off * @return always SANE_TRUE */ static SANE_Bool usb_MotorOn( int handle, SANE_Bool fOn ) { if( fOn ) a_bRegs[0x45] |= 0x10; else a_bRegs[0x45] &= ~0x10; usbio_WriteReg( handle, 0x45, a_bRegs[0x45] ); return SANE_TRUE; } /*............................................................................. * */ static SANE_Bool usb_IsScannerReady( pPlustek_Device dev ) { u_char value; double len; long timeout; struct timeval t; /* time in s = 1000*scanner length in inches/max step speed/in */ len = (dev->usbDev.Caps.Normal.Size.y/(double)_MEASURE_BASE) + 5; len = (1000.0 * len)/dev->usbDev.HwSetting.dMaxMoveSpeed; len /= 1000.0; /* wait at least 10 seconds... */ if( len < 10 ) len = 10; gettimeofday( &t, NULL); timeout = t.tv_sec + len; do { _UIO( usbio_ReadReg( dev->fd, 7, &value)); if( value == 0 ) { _UIO( usbio_ResetLM983x( dev )); return SANE_TRUE; } if((value == 0) || (value >= 0x20) || (value == 0x03)) { if( !usbio_WriteReg( dev->fd, 0x07, 0 )) { DBG( _DBG_ERROR, "Scanner not ready!!!\n" ); return SANE_FALSE; } else return SANE_TRUE; } gettimeofday( &t, NULL); } while( t.tv_sec < timeout ); DBG( _DBG_ERROR, "Scanner not ready!!!\n" ); return SANE_FALSE; } /*............................................................................. * */ static SANE_Bool usb_SensorAdf( int handle ) { u_char value; usbio_ReadReg( handle, 0x02, &value ); return (value & 0x20); } /*............................................................................. * */ static SANE_Bool usb_SensorPaper( int handle ) { u_char value; usbio_ReadReg( handle, 0x02, &value ); return (value & 0x02); } /*............................................................................. * Home sensor always on when backward move. * dwStep is steps to move and based on 300 dpi, but * if the action is MOVE_Both, it becomes the times * to repeatly move the module around the scanner and * 0 means forever. */ static SANE_Bool usb_ModuleMove( pPlustek_Device dev, u_char bAction, u_long dwStep ) { SANE_Status res; u_char bReg2, reg7, mclk_div; u_short wFastFeedStepSize; double dMaxMoveSpeed; pClkMotorDef clk; pHWDef hw = &dev->usbDev.HwSetting; /* Check if LM9831 is ready for setting command */ if( bAction != MOVE_ToPaperSensor && bAction != MOVE_EjectAllPapers && bAction != MOVE_SkipPaperSensor && bAction != MOVE_ToShading && !dwStep) { return SANE_TRUE; } if( !usb_IsScannerReady( dev )) { DBG( _DBG_ERROR, "Sensor-position NOT reached\n" ); return SANE_FALSE; } if( bAction == MOVE_EjectAllPapers ) { double d = hw->dMaxMoveSpeed; hw->dMaxMoveSpeed += 0.6; do { if( usb_SensorPaper(dev->fd) && !usb_ModuleMove(dev,MOVE_SkipPaperSensor, 0 )) { return SANE_FALSE; } if( usb_SensorAdf(dev->fd) && !usb_ModuleMove(dev,MOVE_ToPaperSensor, 0 )) { return SANE_FALSE; } } while( usb_SensorPaper(dev->fd)); if(!usb_ModuleMove( dev, MOVE_Forward, 300 * 3)) return SANE_FALSE; usbio_WriteReg( dev->fd, 0x07, 0); usbio_WriteReg( dev->fd, 0x58, a_bRegs[0x58]); usbio_ReadReg( dev->fd, 0x02, &bReg2 ); hw->dMaxMoveSpeed = d; return SANE_TRUE; } usbio_WriteReg( dev->fd, 0x0a, 0 ); /* Compute fast feed step size, use equation 3 and equation 8 */ if( bAction == MOVE_ToShading ) { double dToShadingSpeed = 0.0; /* HEINER: check callRegistry.GetToShadingSpeed(); */ if( dToShadingSpeed != 0.0 ) dMaxMoveSpeed = dToShadingSpeed; else dMaxMoveSpeed = hw->dMaxMoveSpeed - 0.5; } else { dMaxMoveSpeed = hw->dMaxMoveSpeed; } clk = usb_GetMotorSet( hw->motorModel ); mclk_div = clk->mclk_fast; wFastFeedStepSize = (u_short)(dwCrystalFrequency / ((u_long)mclk_div * 8UL * 1 * dMaxMoveSpeed * 4 * hw->wMotorDpi)); a_bRegs[0x48] = (u_char)(wFastFeedStepSize >> 8); a_bRegs[0x49] = (u_char)(wFastFeedStepSize & 0xFF); dwStep = dwStep * hw->wMotorDpi / 300UL; a_bRegs[0x4a] = _HIBYTE(_LOWORD(dwStep)); a_bRegs[0x4b] = _LOBYTE(_LOWORD(dwStep)); a_bRegs[0x45] |= 0x10; /* The setting for chassis moving is: * MCLK divider = 6, 8 bits/pixel, HDPI divider = 12, * no integration time adjustment and 1 channel grayscale */ /* MCLK divider = 6 */ if( !usbio_WriteReg(dev->fd, 0x08, (mclk_div-1)*2 /*0x0A*/)) return SANE_FALSE; /* 8 bits/pixel, HDPI divider = 12 */ if( !usbio_WriteReg(dev->fd, 0x09, 0x1F)) return SANE_FALSE; /* Turn off integration time adjustment */ if( !usbio_WriteReg(dev->fd, 0x19, 0)) return SANE_FALSE; /* 1 channel grayscale, green channel */ if( !usbio_WriteReg(dev->fd, 0x26, 0x0C)) return SANE_FALSE; _UIO(sanei_lm983x_write(dev->fd, 0x48, &a_bRegs[0x48], 2, SANE_TRUE)); _UIO(sanei_lm983x_write(dev->fd, 0x4A, &a_bRegs[0x4A], 2, SANE_TRUE)); /* disable home */ if( !usbio_WriteReg(dev->fd, 0x58, a_bRegs[0x58] & ~7)) return SANE_FALSE; if( !usbio_WriteReg(dev->fd, 0x45, a_bRegs[0x45] )) return SANE_FALSE; if( bAction == MOVE_Forward || bAction == MOVE_ToShading ) reg7 = 5; else if( bAction == MOVE_Backward ) reg7 = 6; else if( bAction == MOVE_ToPaperSensor || bAction == MOVE_EjectAllPapers || bAction == MOVE_SkipPaperSensor ) { reg7 = 1; } else { return SANE_TRUE; } if( usbio_WriteReg( dev->fd, 0x07, reg7 )) { long dwTicks; struct timeval start_time, t2; res = gettimeofday( &start_time, NULL ); /* 20000 NT-Ticks means 200s */ dwTicks = start_time.tv_sec + 200; if( bAction == MOVE_ToPaperSensor ) { for(;;) { if( usb_SensorPaper( dev->fd )) { usbio_WriteReg( dev->fd, 0x07, 0 ); usbio_WriteReg( dev->fd, 0x58, a_bRegs[0x58] ); usbio_ReadReg ( dev->fd, 0x02, &bReg2 ); return SANE_TRUE; } gettimeofday(&t2, NULL); if( t2.tv_sec > dwTicks ) break; } } else if( bAction == MOVE_SkipPaperSensor ) { for(;;) { if( usb_SensorPaper( dev->fd )) { usbio_WriteReg( dev->fd, 0x07, 0 ); usbio_WriteReg( dev->fd, 0x58, a_bRegs[0x58] ); usbio_ReadReg ( dev->fd, 0x02, &bReg2 ); return SANE_TRUE; } gettimeofday(&t2, NULL); if( t2.tv_sec > dwTicks ) break; } } else { for(;;) { usleep(10 * 1000); _UIO( usbio_ReadReg( dev->fd, 0x07, ®7)); if( !reg7 ) { usbio_WriteReg( dev->fd, 0x58, a_bRegs[0x58] ); usbio_ReadReg( dev->fd, 0x02, &bReg2 ); return SANE_TRUE; } gettimeofday(&t2, NULL); if( t2.tv_sec > dwTicks ) break; } } usbio_WriteReg( dev->fd, 0x58, a_bRegs[0x58] ); usbio_ReadReg ( dev->fd, 0x02, &bReg2 ); } DBG( _DBG_ERROR, "Position NOT reached\n" ); return SANE_FALSE; } /*............................................................................. * */ static SANE_Bool usb_ModuleToHome( pPlustek_Device dev, SANE_Bool fWait ) { u_char mclk_div; u_char value; pDCapsDef scaps = &dev->usbDev.Caps; pHWDef hw = &dev->usbDev.HwSetting; /* Check if LM9831 is ready for setting command */ usbio_WriteReg( dev->fd, 0x58, hw->bReg_0x58 ); usbio_ReadReg ( dev->fd, 2, &value ); /* check current position... */ _UIO(usbio_ReadReg( dev->fd, 2, &value )); if( value & 1 ) { fModuleFirstHome = SANE_FALSE; return SANE_TRUE; } _UIO( usbio_ReadReg( dev->fd, 0x07, &value )); if( fModuleFirstHome ) { fModuleFirstHome = SANE_FALSE; if( hw->motorModel != MODEL_Tokyo600 ) usb_ModuleMove( dev, MOVE_Forward, hw->wMotorDpi / 2); } /* if not homing, do it... */ if( value != 2 ) { u_short wFastFeedStepSize; if( hw->motorModel == MODEL_Tokyo600 ) { usbio_WriteReg( dev->fd, 0x07, 0 ); } else { _UIO( usbio_ResetLM983x( dev )); usleep(200*1000); } if(!_IS_PLUSTEKMOTOR(hw->motorModel)) { pClkMotorDef clk; clk = usb_GetMotorSet( hw->motorModel ); a_bRegs[0x56] = clk->pwm_fast; a_bRegs[0x57] = clk->pwm_duty_fast; mclk_div = clk->mclk_fast; } else { mclk_div = 6; if( scaps->OpticDpi.x == 1200 || scaps->bPCB == 2) { switch( hw->motorModel ) { case MODEL_KaoHsiung: case MODEL_HuaLien: default: a_bRegs[0x56] = 1; a_bRegs[0x57] = 63; break; } } else { /* if(Device.Caps.OpticDpi.x == 600) */ switch( hw->motorModel ) { case MODEL_Tokyo600: a_bRegs[0x56] = 4; a_bRegs[0x57] = 4; /* 2; */ break; case MODEL_HuaLien: if( dev->caps.dwFlag & SFLAG_ADF ) { a_bRegs[0x56] = 64; /* 32; */ a_bRegs[0x57] = 4; /* 16; */ } else { a_bRegs[0x56] = 32; a_bRegs[0x57] = 16; } break; case MODEL_KaoHsiung: default: a_bRegs[0x56] = 64; a_bRegs[0x57] = 20; break; } } } /* Compute fast feed step size, use equation 3 and equation 8 * assumptions: MCLK = 6, Lineratemode (CM=1) */ wFastFeedStepSize = (u_short)(dwCrystalFrequency / (mclk_div * 8 * 1 * hw->dMaxMotorSpeed * 4 * hw->wMotorDpi)); a_bRegs[0x48] = (u_char)(wFastFeedStepSize >> 8); a_bRegs[0x49] = (u_char)(wFastFeedStepSize & 0xFF); a_bRegs[0x4a] = 0; a_bRegs[0x4b] = 0; a_bRegs[0x45] |= 0x10; DBG( _DBG_INFO, "MOTOR-Settings: PWM=0x%02x, PWM_DUTY=0x%02x 0x%02x\n", a_bRegs[0x56], a_bRegs[0x57], a_bRegs[0x45] ); /* The setting for chassis moving is: * MCLK divider = 6, 8 bits/pixel, HDPI divider = 12, * no integration time adjustment and 1 channel grayscale */ /* MCLK divider = 6 */ value = (u_char)((mclk_div-1) * 2); DBG( _DBG_INFO, "MCLK_FFW = %u --> 0x%02x\n", mclk_div, value ); if( !usbio_WriteReg(dev->fd, 0x08, value)) return SANE_FALSE; /* 8 bits/pixel, HDPI divider = 12 */ if( !usbio_WriteReg(dev->fd, 0x09, 0x1F)) return SANE_FALSE; /* Turn off integration time adjustment */ if( !usbio_WriteReg(dev->fd, 0x19, 0)) return SANE_FALSE; /* 1 channel grayscale, green channel */ if( !usbio_WriteReg(dev->fd, 0x26, 0x8C)) return SANE_FALSE; _UIO(sanei_lm983x_write(dev->fd, 0x48, &a_bRegs[0x48], 4, SANE_TRUE)); _UIO(sanei_lm983x_write(dev->fd, 0x56, &a_bRegs[0x56], 3, SANE_TRUE)); if( !usbio_WriteReg(dev->fd, 0x45, a_bRegs[0x45])) return SANE_FALSE; usbio_WriteReg(dev->fd, 0x0a, 0); if( hw->motorModel == MODEL_HuaLien && scaps->OpticDpi.x == 600 ) usleep(100 * 1000); if( !usbio_WriteReg(dev->fd, 0x07, 2)) return SANE_FALSE; #if 0 if(Device.HwSetting.motorModel == MODEL_Tokyo600) { DWORD dwSpeedUp = GetTickCount () + 250; //while(GetTickCount () < dwSpeedUp) while((int)(dwSpeedUp - GetTickCount ()) > 0) { Sleep (10); if (!ReadRegister (0x07, &value)) return FALSE; if (!value) return TRUE; } wFastFeedStepSize = (WORD)(dwCrystalFrequency / (6UL * 8UL * 1 * Device.HwSetting.dMaxMotorSpeed * 4 * Device.HwSetting.wMotorDpi) * 60 / 78); a_bRegs [0x48] = (BYTE)(wFastFeedStepSize >> 8); a_bRegs [0x49] = (BYTE)(wFastFeedStepSize & 0xFF); WriteRegisters(0x48, &a_bRegs[0x48], 2); } #endif } if( fWait ) { long dwTicks; struct timeval start_time, t2; gettimeofday( &start_time, NULL ); dwTicks = start_time.tv_sec + 150; for(;;) { usleep( 20 * 1000 ); _UIO( usbio_ReadReg( dev->fd, 0x07, &value )); if (!value) return SANE_TRUE; gettimeofday(&t2, NULL); if( t2.tv_sec > dwTicks ) break; } return SANE_FALSE; } return SANE_TRUE; } /*............................................................................. * */ static SANE_Bool usb_MotorSelect( pPlustek_Device dev, SANE_Bool fADF ) { pDCapsDef sCaps = &dev->usbDev.Caps; pHWDef hw = &dev->usbDev.HwSetting; if(!_IS_PLUSTEKMOTOR(hw->motorModel)) { return SANE_TRUE; } if( fADF ) { if( sCaps->bCCD == kNEC3778 ) { hw->wMotorDpi = 300; hw->dMaxMotorSpeed = 1.5; hw->dMaxMoveSpeed = 1.5; sCaps->OpticDpi.y = 600; } a_bRegs[0x5b] |= 0x80; } else { if( sCaps->bCCD == kNEC3778 ) { hw->wMotorDpi = 600; hw->dMaxMotorSpeed = 1.1; hw->dMaxMoveSpeed = 0.9; sCaps->OpticDpi.y = 1200; } a_bRegs[0x5b] &= ~0x80; } /* To stop the motor moving */ usbio_WriteReg( dev->fd, 0x07, 0 ); usleep(10 * 1000); usbio_WriteReg( dev->fd, 0x5b, a_bRegs[0x5b] ); return SANE_TRUE; } /** according to the flag field, we return the register and * it's maks to turn on/off the lamp. * @param flag - field to check * @param reg - pointer to a var to receive the register value * @param msk - pointer to a var to receive the mask value * @return Nothing */ static void usb_GetLampRegAndMask( u_long flag, SANE_Byte *reg, SANE_Byte *msk ) { if( _MIO6 == ( _MIO6 & flag )) { *reg = 0x5b; *msk = 0x80; } else if( _MIO5 == ( _MIO5 & flag )) { *reg = 0x5b; *msk = 0x08; } else if( _MIO4 == ( _MIO4 & flag )) { *reg = 0x5a; *msk = 0x80; } else if( _MIO3 == ( _MIO3 & flag )) { *reg = 0x5a; *msk = 0x08; } else if( _MIO2 == ( _MIO2 & flag )) { *reg = 0x59; *msk = 0x80; } else if( _MIO1 == ( _MIO1 & flag )) { *reg = 0x59; *msk = 0x08; } else { *reg = 0; *msk = 0; } } /** usb_Get * This function returns the current lamp in use. * For non Plustek devices, it always returns DEV_LampReflection. * @param dev - pointer to our device structure, * it should contain all we need * @return - 0 if the scanner hasn't been used before, DEV_LampReflection * for the normal lamp, or DEV_LampTPA for negative/transparency * lamp */ static int usb_GetLampStatus( pPlustek_Device dev ) { int iLampStatus = 0; pHWDef hw = &dev->usbDev.HwSetting; pDCapsDef sc = &dev->usbDev.Caps; SANE_Byte reg, msk, val; if( NULL == hw ) { DBG( _DBG_ERROR, "NULL-Pointer detected: usb_GetLampStatus()\n" ); return -1; } /* do we use the misc I/O pins for switchwing the lamp ? */ if( _WAF_MISC_IO_LAMPS & sc->workaroundFlag ) { usb_GetLampRegAndMask( sc->lamp, ®, &msk ); /* check if the lamp is on */ usbio_ReadReg( dev->fd, reg, &val ); DBG( _DBG_INFO, "REG[0x%02x] = 0x%02x (msk=0x%02x)\n", reg, val, msk ); if( val & msk ) iLampStatus |= DEV_LampReflection; /* if the device supports a TPA, we check this here */ if( sc->wFlags & DEVCAPSFLAG_TPA ) { usb_GetLampRegAndMask( _GET_TPALAMP(sc->lamp), ®, &msk ); usbio_ReadReg( dev->fd, reg, &val ); DBG( _DBG_INFO, "REG[0x%02x] = 0x%02x (msk=0x%02x)\n",reg,val,msk); if( val & msk ) iLampStatus |= DEV_LampTPA; } } else { sanei_lm983x_read(dev->fd, 0x29,&a_bRegs[0x29],0x37-0x29+1,SANE_TRUE); if((a_bRegs[0x29] & 3) == 1) { /* HEINER: BETTER define register to check ! */ if(!_IS_PLUSTEKMOTOR(hw->motorModel)) { iLampStatus |= DEV_LampReflection; } else { if((a_bRegs[0x2e] * 256 + a_bRegs[0x2f]) > hw->wLineEnd ) iLampStatus |= DEV_LampReflection; if((a_bRegs[0x36] * 256 + a_bRegs[0x37]) > hw->wLineEnd ) iLampStatus |= DEV_LampTPA; } } } DBG( _DBG_INFO, "LAMP-STATUS: 0x%08x\n", iLampStatus ); return iLampStatus; } /** usb_switchLamp * used for all devices that use some misc I/O pins to switch the lamp */ static SANE_Bool usb_switchLamp( pPlustek_Device dev, SANE_Bool on ) { SANE_Byte reg, msk; pScanDef scanning = &dev->scanning; pDCapsDef sc = &dev->usbDev.Caps; if((scanning->sParam.bSource == SOURCE_Negative) || (scanning->sParam.bSource == SOURCE_Transparency)) usb_GetLampRegAndMask( _GET_TPALAMP(sc->lamp), ®, &msk ); else usb_GetLampRegAndMask( sc->lamp, ®, &msk ); if( 0 == reg ) return SANE_FALSE; /* no need to switch something */ if( on ) a_bRegs[reg] |= msk; else a_bRegs[reg] &= ~msk; DBG( _DBG_INFO, "Switch Lamp: %u, regs[0x%02x] = 0x%02x\n", on, reg, a_bRegs[reg] ); usbio_WriteReg( dev->fd, reg, a_bRegs[reg] ); return SANE_TRUE; } /** usb_LedOn * */ static void usb_LedOn( pPlustek_Device dev, SANE_Bool fOn ) { u_char value; if( dev->usbDev.HwSetting.motorModel != MODEL_HuaLien ) return; value = a_bRegs[0x0d]; /* if(ReadRegister(0x0d, &value)) */ { if( fOn ) value |= 0x10; else value &= ~0x10; a_bRegs[0x0d] = value; usbio_WriteReg( dev->fd, 0x0d, value ); } } /** usb_LampOn * */ static SANE_Bool usb_LampOn( pPlustek_Device dev, SANE_Bool fOn, SANE_Bool fResetTimer ) { pDCapsDef sc = &dev->usbDev.Caps; pScanDef scanning = &dev->scanning; pHWDef hw = &dev->usbDev.HwSetting; int iLampStatus = usb_GetLampStatus( dev ); int lampId = -1; struct timeval t; if( NULL == scanning ) { DBG( _DBG_ERROR, "NULL-Pointer detected: usb_LampOn()\n" ); return SANE_FALSE; } switch( scanning->sParam.bSource ) { case SOURCE_Reflection: case SOURCE_ADF: lampId = DEV_LampReflection; break; case SOURCE_Transparency: case SOURCE_Negative: lampId = DEV_LampTPA; break; } if( fOn ) { if( iLampStatus != lampId ) { DBG( _DBG_INFO, "Switching Lamp on\n" ); memset( &a_bRegs[0x29], 0, (0x37-0x29+1)); a_bRegs[0x29] = hw->bReg_0x29; if( !usb_switchLamp(dev, SANE_TRUE )) { if( lampId == DEV_LampReflection ) { a_bRegs[0x2e] = 16383 / 256; a_bRegs[0x2f] = 16383 % 256; } if( lampId == DEV_LampTPA ) { a_bRegs[0x36] = 16383 / 256; a_bRegs[0x37] = 16383 % 256; } } if( _WAF_MISC_IO_LAMPS & sc->workaroundFlag ) { a_bRegs[0x2c] = hw->red_lamp_on / 256; a_bRegs[0x2d] = hw->red_lamp_on & 0xFF; a_bRegs[0x2e] = hw->red_lamp_off / 256; a_bRegs[0x2f] = hw->red_lamp_off & 0xFF; a_bRegs[0x30] = hw->green_lamp_on / 256; a_bRegs[0x31] = hw->green_lamp_on & 0xFF; a_bRegs[0x32] = hw->green_lamp_off / 256; a_bRegs[0x33] = hw->green_lamp_off & 0xFF; a_bRegs[0x34] = hw->blue_lamp_on / 256; a_bRegs[0x35] = hw->blue_lamp_on & 0xFF; a_bRegs[0x36] = hw->blue_lamp_off / 256; a_bRegs[0x37] = hw->blue_lamp_off & 0xFF; } sanei_lm983x_write( dev->fd, 0x29, &a_bRegs[0x29], 0x37-0x29+1, SANE_TRUE ); if( lampId != dev->usbDev.currentLamp ) { dev->usbDev.currentLamp = lampId; if( fResetTimer ) { gettimeofday( &t, NULL ); dev->usbDev.dwTicksLampOn = t.tv_sec; DBG( _DBG_INFO, "Warmup-Timer started\n" ); } } } } else { int iStatusChange = iLampStatus & ~lampId; if( iStatusChange != iLampStatus ) { DBG( _DBG_INFO, "Switching Lamp off\n" ); memset( &a_bRegs[0x29], 0, 0x37-0x29+1 ); if( !usb_switchLamp(dev, SANE_FALSE )) { if( iStatusChange & DEV_LampReflection ) { a_bRegs[0x2e] = 16383 / 256; a_bRegs[0x2f] = 16383 % 256; } if( iStatusChange & DEV_LampTPA ) { a_bRegs[0x36] = 16383 / 256; a_bRegs[0x37] = 16383 % 256; } } if( _WAF_MISC_IO_LAMPS & sc->workaroundFlag ) { a_bRegs[0x2c] = hw->red_lamp_on / 256; a_bRegs[0x2d] = hw->red_lamp_on & 0xFF; a_bRegs[0x2e] = hw->red_lamp_off / 256; a_bRegs[0x2f] = hw->red_lamp_off & 0xFF; a_bRegs[0x30] = hw->green_lamp_on / 256; a_bRegs[0x31] = hw->green_lamp_on & 0xFF; a_bRegs[0x32] = hw->green_lamp_off / 256; a_bRegs[0x33] = hw->green_lamp_off & 0xFF; a_bRegs[0x34] = hw->blue_lamp_on / 256; a_bRegs[0x35] = hw->blue_lamp_on & 0xFF; a_bRegs[0x36] = hw->blue_lamp_off / 256; a_bRegs[0x37] = hw->blue_lamp_off & 0xFF; } sanei_lm983x_write( dev->fd, 0x29, &a_bRegs[0x29], 0x37-0x29+1, SANE_TRUE ); } } if( usb_GetLampStatus(dev)) usb_LedOn( dev, SANE_TRUE ); else usb_LedOn( dev, SANE_FALSE ); return SANE_TRUE; } /** * Function to preset the registers for the specific device, which * should never change during the whole operation * Affected registers:
* 0x0b - 0x0e - Sensor settings - directly from the HWDef
* 0x0f - 0x18 - Sensor Configuration - directly from the HwDef
* 0x1a - 0x1b - Stepper Phase Correction
* 0x20 - 0x21 - Line End
* 0x45 - Stepper Motor Mode
* 0x4c - 0x4d - Full Steps to Scan after PAPER SENSE 2 trips
* 0x51 - Acceleration Profile
* 0x54 - 0x5e - Motor Settings, Paper-Sense Settings and Misc I/O
* * @param dev - pointer to our device structure, * it should contain all we need * @return - Nothing */ static void usb_ResetRegisters( pPlustek_Device dev ) { pHWDef hw = &dev->usbDev.HwSetting; DBG( _DBG_INFO, "RESETTING REGISTERS\n" ); memset( a_bRegs, 0, sizeof(a_bRegs)); memcpy( a_bRegs+0x0b, &hw->bSensorConfiguration, 4 ); memcpy( a_bRegs+0x0f, &hw->bReg_0x0f_Color, 10 ); a_bRegs[0x1a] = _HIBYTE( hw->StepperPhaseCorrection ); a_bRegs[0x1b] = _LOBYTE( hw->StepperPhaseCorrection ); a_bRegs[0x20] = _HIBYTE( hw->wLineEnd ); a_bRegs[0x21] = _LOBYTE( hw->wLineEnd ); a_bRegs[0x45] = hw->bReg_0x45; a_bRegs[0x4c] = _HIBYTE( hw->wStepsAfterPaperSensor2 ); a_bRegs[0x4d] = _LOBYTE( hw->wStepsAfterPaperSensor2 ); a_bRegs[0x51] = hw->bReg_0x51; memcpy( a_bRegs+0x54, &hw->bReg_0x54, 0x5e - 0x54 + 1 ); } /** usb_ModuleStatus * */ static SANE_Bool usb_ModuleStatus( pPlustek_Device dev ) { u_char value; pHWDef hw = &dev->usbDev.HwSetting; /* HEINER: Maybe needed to avoid recalibration!!! */ #if 0 if( dev->scanning.fCalibrated ) return SANE_TRUE; #endif _UIO( usbio_ReadReg( dev->fd, 2, &value )); if( value & 1 ) { _UIO( usbio_ReadReg( dev->fd, 0x7, &value)); if( value ) { usbio_WriteReg( dev->fd, 0x07, 0 ); usbio_WriteReg( dev->fd, 0x07, 0x20 ); usbio_WriteReg( dev->fd, 0x07, 0 ); sanei_lm983x_write( dev->fd, 0x58, &hw->bReg_0x58, 0x5b-0x58+1, SANE_TRUE ); usbio_ReadReg( dev->fd, 2, &value ); usbio_ReadReg( dev->fd, 2, &value ); } usb_MotorOn( dev->fd, SANE_FALSE ); return SANE_TRUE; } _UIO( usbio_ReadReg( dev->fd, 0x7, &value )); if( !(value & 2)) usb_ModuleToHome( dev, SANE_FALSE ); return SANE_FALSE; } /* HEINER: replace!!! */ static pPlustek_Device dev_xxx; /** * ISR to switch lamp off after time has elapsed */ static void usb_LampTimerIrq( int sig ) { int handle = -1; _VAR_NOT_USED( sig ); DBG( _DBG_INFO, "LAMP OFF!!!\n" ); if( -1 == dev_xxx->fd ) { if( SANE_STATUS_GOOD == sanei_usb_open(dev_xxx->sane.name, &handle)) { dev_xxx->fd = handle; } } /* needs to be recalibrated */ dev_xxx->scanning.fCalibrated = SANE_FALSE; if( -1 != dev_xxx->fd ) usb_LampOn( dev_xxx, SANE_FALSE, SANE_FALSE ); if( -1 != handle ) { dev_xxx->fd = -1; sanei_usb_close( handle ); } } /** usb_StartLampTimer * */ static void usb_StartLampTimer( pPlustek_Device dev ) { sigset_t block, pause_mask; struct sigaction s; struct itimerval interval; /* block SIGALRM */ sigemptyset( &block ); sigaddset ( &block, SIGALRM ); sigprocmask( SIG_BLOCK, &block, &pause_mask ); /* setup handler */ sigemptyset( &s.sa_mask ); sigaddset ( &s.sa_mask, SIGINT ); s.sa_flags = 0; s.sa_handler = usb_LampTimerIrq; if( sigaction( SIGALRM, &s, NULL ) < 0 ) DBG( _DBG_ERROR, "Canīt setup timer-irq handler\n" ); sigprocmask( SIG_UNBLOCK, &block, &pause_mask ); /* * define a one-shot timer */ interval.it_value.tv_usec = 0; interval.it_value.tv_sec = dev->usbDev.dwLampOnPeriod; interval.it_interval.tv_usec = 0; interval.it_interval.tv_sec = 0; dev_xxx = dev; if( 0 != dev->usbDev.dwLampOnPeriod ) { setitimer( ITIMER_REAL, &interval, &dev->saveSettings ); DBG( _DBG_INFO, "Lamp-Timer started\n" ); } } /** usb_StopLampTimer * */ static void usb_StopLampTimer( pPlustek_Device dev ) { sigset_t block, pause_mask; /* block SIGALRM */ sigemptyset( &block ); sigaddset ( &block, SIGALRM ); sigprocmask( SIG_BLOCK, &block, &pause_mask ); if( 0 != dev->usbDev.dwLampOnPeriod ) setitimer( ITIMER_REAL, &dev->saveSettings, NULL ); DBG( _DBG_INFO, "Lamp-Timer stopped\n" ); } /* END PLUSTEK-USBHW.C ......................................................*/