diff options
Diffstat (limited to 'lib/epson-cbt.c')
| -rwxr-xr-x | lib/epson-cbt.c | 3004 |
1 files changed, 3004 insertions, 0 deletions
diff --git a/lib/epson-cbt.c b/lib/epson-cbt.c new file mode 100755 index 0000000..e65bd5c --- /dev/null +++ b/lib/epson-cbt.c @@ -0,0 +1,3004 @@ +/*___________________________________ epson-cbt.c ___________________________________*/
+
+/* 1 2 3 4 5 6 7 8 */
+/*34567890123456789012345678901234567890123456789012345678901234567890123456789012345678*/
+/*******************************************|********************************************/
+/*
+ * Copyright (c) 2009 Seiko Epson Corporation All rights reserved.
+ *
+ * Copyright protection claimed includes all forms and matters of copyrightable
+ * material and information now allowed by statutory or judicial law or hereinafter
+ * granted, including without limitation, material generated from the software
+ * programs which are displayed on the screen such as icons, screen display looks,
+ * etc.
+ */
+/*******************************************|********************************************/
+/* */
+/* Epson CBT Module */
+/* */
+/* Public Function Calls */
+/* -------------------------- */
+/* EPS_ERR_CODE cbtCommOpen (void ); */
+/* EPS_INT32 cbtCommClose (void ); */
+/* EPS_ERR_CODE cbtCommChannelOpen (Channel, bRetry ); */
+/* EPS_INT32 cbtCommChannelClose (Channel ); */
+/* EPS_INT32 cbtCommReadData (Channel, Buffer, BuffLen, Size); */
+/* EPS_INT32 cbtCommWriteData (Channel, Buffer, BuffLen, Size); */
+/* */
+/*******************************************|********************************************/
+
+/*------------------------------------ Includes -------------------------------------*/
+/*******************************************|********************************************/
+#include "epson-escpr-pvt.h"
+#include "epson-escpr-err.h"
+#include "epson-escpr-mem.h"
+#include "epson-escpr-services.h"
+#include "epson-cbt.h"
+
+/*------------------------------------ Definition -----------------------------------*/
+/*******************************************|********************************************/
+#define CBT_OPENCH_WAIT (50)
+#define CBT_OPENCH_RETRY (50)
+
+/*------------------------------- Local Compiler Switch --------------------------------*/
+/*******************************************|********************************************/
+#define LCOMSW_CBT_SOCKETFUNC_ON 1 /* the socket ID mode (0:OFF 1:ON(Default))*/
+
+#define LCOMSW_CBT_ALLOC_MEM 1 /* Use static memory */
+ /* 0 -> Use static memory */
+ /* 1 -> Use epsFnc.memAlloc() (Default) */
+
+#ifdef EPS_LOG_MODULE_CBT
+#define EPS_LOG_MODULE EPS_LOG_MODULE_CBT
+#else
+#define EPS_LOG_MODULE 0
+#endif
+
+/*---------------------------- ESC/P-R Lib Global Variables --------------------------*/
+/*******************************************|********************************************/
+
+ /*** Print Job/Page Struct */
+ /*** -------------------------------------------------------------------------------*/
+extern EPS_PRINT_JOB printJob;
+
+ /*** System Dependent Function (USB Communication) */
+ /*** -------------------------------------------------------------------------------*/
+extern EPS_USB_FUNC epsUsbFnc;
+extern EPS_CMN_FUNC epsCmnFnc;
+
+ /*** I/O Channel */
+ /*** -------------------------------------------------------------------------------*/
+EPS_BOOL ioOpenState = EPS_IO_NOT_OPEN; /* Open state of I/O port (Bi-Directional) */
+EPS_BOOL ioDataChState = EPS_IO_NOT_OPEN; /* Open state of Data Channel */
+EPS_BOOL ioControlChState= EPS_IO_NOT_OPEN; /* Open state of Control Channel */
+EPS_BOOL ioOpenUniDirect = EPS_IO_NOT_OPEN; /* Open state of I/O port (Uni-Directional) */
+
+/*--------------------------- Data Structure Declarations ---------------------------*/
+/*******************************************|********************************************/
+
+/*------------------------ Epson CBT Module Global Variables -------------------------*/
+/*******************************************|********************************************/
+static CBTS_PRNINFO *gpCbtPrnInfo = NULL; /* Printer Information */
+
+/*-------------------------------- Local Definition ---------------------------------*/
+/*******************************************|********************************************/
+#define CBT_DUMYREAD_MAX (128) /* dummy read try max */
+
+/*--------------------- Memory allocation for Epson CBT Module ------------------------*/
+/*******************************************|********************************************/
+#if LCOMSW_CBT_ALLOC_MEM == 0
+static CBTS_PRNINFO sgcbtprninfo;
+static EPS_UINT8 sgreadbuff[CBT_MAX_CH][CBT_MAX_RTMP];
+static EPS_UINT8 sgrtmpbuff[CBT_MAX_CH][CBT_MAX_RTMP];
+static EPS_UINT8 sgwritebuff[CBT_TXPSIZE];
+static EPS_UINT8 sgcbtreadrtnbuff[CBT_MAX_RTMP];
+static EPS_UINT8 sgcbtdatareadbuff[CBT_MAX_RTMP];
+#endif /* LCOMSW_CBT_ALLOC_MEM */
+
+/*------------------------------------ Debug Dump -----------------------------------*/
+/*******************************************|********************************************/
+ /*** ALL Debug Dump Switch for <epson-cbt.> */
+ /*** -------------------------------------------------------------------------------*/
+#define _COMM_DEBUG 0 /* 0: OFF 1: ON */
+#define _CBTDEBUG_ 0 /* 0: OFF 1: ON */
+#define CBT_DBG_ERROR 0 /* 0: OFF 1: ON */
+
+ /*** _COMM_DEBUG --- Communication Module Debug */
+ /***--------------------------------------------------------------------------------*/
+#if _COMM_DEBUG
+#define COMM_DBG_ERROR
+#define CBTDebugPrintf(a) printf a
+#else /* def _COMM_DEBUG */
+#define CBTDebugPrintf(a)
+#endif /* def _COMM_DEBUG */
+
+ /*** _CBTDEBUG_ --- CBT Debug */
+ /***--------------------------------------------------------------------------------*/
+#if _CBTDEBUG_
+#define CBT_DBG_IO
+
+static EPS_INT8 debMsgWork[512];
+static void DebMsgOut(EPS_INT8 *buf)
+{
+#ifdef _WINCE32_TEST_
+ HANDLE fh_Alloc;
+ DWORD wb;
+
+ fh_Alloc = CreateFile(L"\\CBT_LOG.TXT",GENERIC_WRITE,FILE_SHARE_WRITE,NULL,
+ OPEN_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
+ SetFilePointer(fh_Alloc,0,NULL,FILE_END);
+ WriteFile(fh_Alloc, buf, strlen(buf), &wb, NULL);
+ CloseHandle(fh_Alloc);
+#else /* def _WINCE32_TEST_ */
+ fprintf(stderr,buf);
+#endif /* def _WINCE32_TEST_ */
+}
+#endif /* def _CBTDEBUG_ */
+
+/*-------------------------------- Local Functions ----------------------------------*/
+/*******************************************|********************************************/
+ /*** Communication Module */
+ /*** -------------------------------------------------------------------------------*/
+static EPS_INT32 commOpen (const EPS_USB_DEVICE*, EPS_FILEDSC* );
+static EPS_INT32 commClose (EPS_FILEDSC );
+static EPS_INT32 commOpenChannel (EPS_FILEDSC, EPS_INT32, EPS_BOOL );
+static EPS_INT32 commCloseChannel (EPS_FILEDSC, EPS_INT32 );
+static EPS_INT32 commChChange (EPS_INT32, EPS_UINT8* );
+
+ /*** Mini CBT Engine */
+ /*** -------------------------------------------------------------------------------*/
+static EPS_INT16 EPCBT_Open (EPS_FILEDSC, void*, EPS_WritePortal, EPS_ReadPortal);
+static EPS_INT16 EPCBT_Close (EPS_FILEDSC );
+static EPS_INT16 EPCBT_OpenChannel (EPS_FILEDSC, EPS_UINT8, EPS_BOOL );
+static EPS_INT16 EPCBT_CloseChannel (EPS_FILEDSC, EPS_UINT8 );
+static EPS_INT16 EPCBT_Write (EPS_FILEDSC, EPS_UINT8, const EPS_UINT8*, EPS_INT32*);
+static EPS_INT16 EPCBT_Read (EPS_FILEDSC, EPS_UINT8, EPS_UINT8*, EPS_INT32* );
+#if LCOMSW_CBT_SOCKETFUNC_ON
+static EPS_INT16 EPCBT_GetSocketID (EPS_FILEDSC, EPS_UINT8*, EPS_UINT8*, EPS_INT32 );
+#endif
+static EPS_INT16 CbtWriteRtn (EPS_FILEDSC, CBTS_PRNINFO*, const EPS_UINT8*, EPS_INT32, EPS_INT32*);
+static EPS_INT16 CbtReadRtn (EPS_FILEDSC, CBTS_PRNINFO*, EPS_UINT8, EPS_UINT8*, EPS_INT32, EPS_INT32*, EPS_UINT8);
+static void CbtDummyRead (EPS_FILEDSC, CBTS_PRNINFO* );
+static void CbtChDummyRead (EPS_FILEDSC, CBTS_PRNINFO*, CBTS_CHINFO* );
+static EPS_INT16 CbtReplyCheck (EPS_UINT8*, EPS_INT32, EPS_UINT8 );
+static EPS_INT16 CbtEpsonPacking (EPS_FILEDSC, CBTS_PRNINFO* );
+static EPS_INT16 CbtInitCommand (EPS_FILEDSC, CBTS_PRNINFO* );
+static EPS_INT32 CbtOpenChannelCommand (EPS_FILEDSC, CBTS_PRNINFO*, EPS_UINT8, EPS_UINT32*, EPS_UINT32*, EPS_UINT32, EPS_UINT32);
+static EPS_INT16 CbtCloseChannelCommand (EPS_FILEDSC, CBTS_PRNINFO*, EPS_UINT8 );
+static EPS_INT32 CbtCreditReqCommand (EPS_FILEDSC, CBTS_PRNINFO*, EPS_UINT8, EPS_UINT32, EPS_UINT32);
+static EPS_INT16 CbtCreditCommand (EPS_FILEDSC, CBTS_PRNINFO*, EPS_UINT8, EPS_UINT32 );
+#if LCOMSW_CBT_SOCKETFUNC_ON
+static EPS_INT16 CbtGetSocketIDCommand (EPS_FILEDSC, CBTS_PRNINFO*, EPS_UINT8*, EPS_INT32, EPS_UINT8*);
+#endif
+static EPS_INT32 CbtDataWrite (EPS_FILEDSC, CBTS_PRNINFO*, EPS_UINT8, const EPS_UINT8*, EPS_INT32);
+static EPS_INT16 CbtDataRead (EPS_FILEDSC, CBTS_PRNINFO*, EPS_UINT8, EPS_UINT8*, EPS_INT32*);
+static EPS_INT16 CbtMemAlloc (void );
+static void CbtMemFree (void );
+static void CbtPutBigEndianByte2 (EPS_UINT32, EPS_UINT8* );
+
+
+/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%|%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
+/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%|%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
+/*%%%%%%%%%%%%%%%%%%%% %%%%%%%%%%%%%%%%%%%%%*/
+/*-------------------- Public Functions ---------------------*/
+/*%%%%%%%%%%%%%%%%%%%% %%%%%%%%%%%%%%%%%%%%%*/
+/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%|%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
+/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%|%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
+
+/*******************************************|********************************************/
+/* */
+/* Function name: cbtCommOpen() */
+/* */
+/* Arguments */
+/* --------- */
+/* Name: Type: Description: */
+/* devinfo EPS_USB_DEVICE I: Pointer to a usb device infomation */
+/* fd EPS_FILEDSC* O: file discripter */
+/* */
+/* Return value: */
+/* EPS_ERR_NONE - Success (Opened Communication) */
+/* EPSCBT_ERR_2NDOPEN - CBT channels are already opened */
+/* EPS_ERR_NOT_OPEN_IO - Cannot Open I/O Portal */
+/* EPCBT_ERR_CBT2NDOPEN - CBT channels are already opened */
+/* EPCBT_ERR_MEMORY - Fail to memory allocation */
+/* EPCBT_ERR_CBTDISABLE - Fail to CBT communication */
+/* EPCBT_ERR_FATAL - Fatal communication error */
+/* EPCBT_ERR_INITDENIED - Printer cannot start CBT mode */
+/* EPCBT_ERR_VERSION - Incompatible version */
+/* EPCBT_ERR_INITFAILED - Not used by EPSON */
+/* EPCBT_ERR_UERESULT - Undefined result value */
+/* EPCBT_ERR_CBTNOTOPEN - Port is not open */
+/* EPCBT_ERR_PARAM - Parameter error */
+/* EPCBT_ERR_MULFORMEDPACKET - Received invalid packet */
+/* EPCBT_ERR_NOSERVICE - The channel does not support the requested */
+/* service */
+/* */
+/* Description: */
+/* Opens the communication on the specified. */
+/* */
+/*******************************************|********************************************/
+EPS_INT32 cbtCommOpen (
+
+ const EPS_USB_DEVICE* devinfo,
+ EPS_FILEDSC* fd
+){
+
+ EPS_INT32 Ret; /* Return status of internal calls */
+
+ EPS_LOG_FUNCIN;
+
+/*** Open Communication */
+ if ((Ret = commOpen(devinfo, fd)) != EPCBT_ERR_NONE){
+ CBTDebugPrintf(("EPS CBT: Open Failed [%d]\r\n",Ret));
+ EPS_RETURN( Ret );
+ }
+
+ EPS_RETURN( EPS_ERR_NONE );
+}
+
+/*******************************************|********************************************/
+/* */
+/* Function name: cbtCommClose() */
+/* */
+/* Arguments */
+/* --------- */
+/* Name: Type: Description: */
+/* fd EPS_FILEDSC I: file discripter */
+/* */
+/* Return value: */
+/* EPS_ERR_NONE - Closed Communication */
+/* EPSCBT_ERR_NOTOPEN - I/O port is not opened */
+/* EPCBT_ERR_CBTNOTOPEN - Port is not open */
+/* */
+/* Description: */
+/* Closes the communication on the active printer. */
+/* */
+/*******************************************|********************************************/
+EPS_INT32 cbtCommClose (
+
+ EPS_FILEDSC fd
+
+){
+ EPS_INT32 Ret;
+
+ EPS_LOG_FUNCIN;
+
+ CBTDebugPrintf(("EPS CBT:CLOSE --> Closing Communication on the device\r\n"));
+
+ Ret = commClose(fd);
+
+ if (Ret != EPCBT_ERR_NONE){
+ CBTDebugPrintf(("EPS CBT: Close failed\r\n"));
+ EPS_RETURN( Ret );
+ }
+ EPS_RETURN( EPS_ERR_NONE );
+}
+
+/*******************************************|********************************************/
+/* */
+/* Function name: cbtCommChannelOpen() */
+/* */
+/* Arguments */
+/* --------- */
+/* Name: Type: Description: */
+/* fd EPS_FILEDSC I: file discripter */
+/* Channel EPS_INT32 I: Communication Channel */
+/* bRetry EPS_BOOL I: If TRUE, retry open */
+/* */
+/* Return value: */
+/* EPS_ERR_NONE - Success (Opened Communication) */
+/* EPSCBT_ERR_NOTOPEN - CBT channels are not opened */
+/* EPSCBT_ERR_PARAM - Parameter error */
+/* EPCBT_ERR_CBTNOTOPEN - Port is not open */
+/* EPCBT_ERR_PARAM - Parameter error */
+/* EPCBT_ERR_CH2NDOPEN - Channel is already open */
+/* EPCBT_ERR_RPLYPSIZE - Size of packet from OpenChannel is invalid */
+/* EPCBT_ERR_FATAL - Fatal communication error */
+/* EPCBT_ERR_UERESULT - Undefined result value */
+/* EPCBT_ERR_NOREPLY - No reply from printer */
+/* EPCBT_ERR_MULFORMEDPACKET - Received invalid packet */
+/* EPCBT_ERR_UEREPLY - Received reply for a command not issued */
+/* EPCBT_ERR_RESOURCE - Insufficient printer resources for */
+/* OpenChannel */
+/* EPCBT_ERR_OPENCHANNEL - Not used by EPSON */
+/* EPCBT_ERR_CHNOTSUPPORT - The channel is not supported */
+/* EPCBT_ERR_PACKETSIZE - Invalid packet size. */
+/* (0x0001 ? 0x0005 bytes) */
+/* EPCBT_ERR_NULLPACKETSZ - Packet size is 0x0000 in both directions. */
+/* No data can be transferred. Channel was */
+/* not opened */
+/* */
+/* Description: */
+/* Open the communication channel. */
+/* */
+/*******************************************|********************************************/
+EPS_INT32 cbtCommChannelOpen (
+
+ EPS_FILEDSC fd,
+ EPS_INT32 Channel,
+ EPS_BOOL bRetry
+
+){
+ EPS_INT32 Ret;
+
+ EPS_LOG_FUNCIN;
+
+ if ((Ret = commOpenChannel(fd, Channel, bRetry)) != EPCBT_ERR_NONE){
+
+ if (Channel == EPS_CBTCHANNEL_CTRL) {
+ CBTDebugPrintf(("EPS CBT: Control Channel Open Failed\r\n"));
+ EPS_RETURN( Ret );
+ } else if (Channel == EPS_CBTCHANNEL_DATA) {
+ CBTDebugPrintf(("EPS CBT: Data Channel Open Failed\r\n"));
+ EPS_RETURN( Ret );
+ }
+
+ }
+
+ EPS_RETURN( EPS_ERR_NONE );
+}
+
+/*******************************************|********************************************/
+/* */
+/* Function name: cbtCommChannelClose() */
+/* */
+/* Arguments */
+/* --------- */
+/* Name: Type: Description: */
+/* fd EPS_FILEDSC I: file discripter */
+/* Channel EPS_INT32 I: Communication Channel */
+/* */
+/* Return value: */
+/* EPS_ERR_NONE - Success (Closed Communication) */
+/* EPSCBT_ERR_NOTOPEN - CBT channels are not opened */
+/* EPSCBT_ERR_PARAM - Parameter error */
+/* EPCBT_ERR_CBTNOTOPEN - Port is not open */
+/* EPCBT_ERR_CHNOTOPEN - Channel is not opened */
+/* EPCBT_ERR_FATAL - Fatal communication error */
+/* EPCBT_ERR_CLOSEDENIED - Close Channel is denied */
+/* EPCBT_ERR_CMDDENIED - Command is denied (Channel is not opened) */
+/* EPCBT_ERR_UERESULT - Undefined result value */
+/* EPCBT_ERR_NOREPLY - No reply from printer */
+/* EPCBT_ERR_MULFORMEDPACKET - Received invalid packet */
+/* EPCBT_ERR_UEREPLY - Received reply for a command not issued */
+/* */
+/* Description: */
+/* Close the communication channel. */
+/* */
+/*******************************************|********************************************/
+EPS_INT32 cbtCommChannelClose (
+
+ EPS_FILEDSC fd,
+ EPS_INT32 Channel
+
+){
+ EPS_INT32 Ret;
+
+ EPS_LOG_FUNCIN;
+
+ if ((Ret = commCloseChannel(fd, Channel)) != EPCBT_ERR_NONE){
+ CBTDebugPrintf(("EPS CBT: Channel Close Failed\r\n"));
+ EPS_RETURN( Ret );
+ }
+
+ EPS_RETURN( EPS_ERR_NONE );
+}
+
+/*******************************************|********************************************/
+/* */
+/* Function name: cbtCommReadData() */
+/* */
+/* Arguments */
+/* --------- */
+/* Name: Type: Description: */
+/* fd EPS_FILEDSC I: file discripter */
+/* Channel EPS_INT32 I: Channel-Select */
+/* 00: Data Channel */
+/* 01: Control Channel */
+/* Buffer EPS_UINT8* I: Buffer Pointer for Read Data */
+/* BuffLen EPS_INT32 I: Read Data Buffer Length (bytes) */
+/* Size EPS_INT32* O: Actuall Read Size */
+/* */
+/* Return value: */
+/* EPCBT_ERR_NONE - Success */
+/* EPSCBT_ERR_NOTOPEN - I/O port is not opened */
+/* EPSCBT_ERR_PARAM - Parameter error */
+/* EPCBT_ERR_CBTNOTOPEN - CBT is not opened */
+/* EPCBT_ERR_PARAM - Parameter error */
+/* EPCBT_ERR_CHNOTOPEN - Channel is not opened */
+/* EPCBT_ERR_FATAL - Fatal communication error */
+/* EPCBT_ERR_CREDITOVF - Credit over flow */
+/* EPCBT_ERR_CMDDENIED - Command is denied (Channel is not opened) */
+/* EPCBT_ERR_UERESULT - Undefined result value */
+/* EPCBT_ERR_NOREPLY - No reply from printer */
+/* EPCBT_ERR_MULFORMEDPACKET - Received invalid packet */
+/* EPCBT_ERR_UEREPLY - Received reply for a command not issued */
+/* EPCBT_ERR_READERROR - Data read error */
+/* */
+/* Description: */
+/* Read the data from printer. */
+/* */
+/*******************************************|********************************************/
+EPS_INT32 cbtCommReadData (
+
+ EPS_FILEDSC fd,
+ EPS_INT32 Channel,
+ EPS_UINT8* Buffer,
+ EPS_INT32 BuffLen,
+ EPS_INT32* Size
+
+){
+ EPS_INT32 Ret = EPCBT_ERR_NONE;
+ EPS_INT32 InLen = 0;
+ EPS_UINT8 CBTCh = 0;
+
+ EPS_LOG_FUNCIN;
+
+ if ( ioOpenState == EPS_IO_NOT_OPEN ) /* Open check */
+ Ret = EPSCBT_ERR_NOTOPEN;
+ else
+ {
+ Ret = commChChange( Channel, &CBTCh ); /* channel change */
+ if( Ret == EPCBT_ERR_NONE )
+ {
+ *Size = 0; /* size clear */
+ Ret = EPCBT_Read( fd, CBTCh, NULL, &InLen ); /* Size Get */
+ if ( Ret == EPCBT_ERR_NONE )
+ {
+ if ( InLen > BuffLen ) /* small buffer size ? */
+ InLen = BuffLen;
+ Ret = EPCBT_Read( fd, CBTCh, Buffer, &InLen ); /* Data Get */
+ *Size = InLen;
+ }
+ }
+ }
+
+#ifdef COMM_DBG_ERROR
+ if ( Ret != EPCBT_ERR_NONE )
+ CBTDebugPrintf(("<< ReadData Ret[%d] Size[%d]\r\n", Ret, *Size));
+#endif
+
+ EPS_RETURN( Ret );
+}
+
+/*******************************************|********************************************/
+/* */
+/* Function name: cbtCommWriteData() */
+/* */
+/* Arguments */
+/* --------- */
+/* Name: Type: Description: */
+/* fd EPS_FILEDSC I: file discripter */
+/* Channel EPS_INT32 I: Channel-Select */
+/* 00: Data Channel */
+/* 01: Control Channel */
+/* Buffer const EPS_UINT8* I: Buffer Pointer for Write Data */
+/* BuffLen EPS_INT32 I: Write Data Buffer Length (bytes) */
+/* Size EPS_INT32* O: Actuall Write Size */
+/* */
+/* Return value: */
+/* EPCBT_ERR_NONE - Success */
+/* EPSCBT_ERR_NOTOPEN - I/O port is not opened */
+/* EPCBT_ERR_CBTNOTOPEN - CBT is not opened */
+/* EPSCBT_ERR_PARAM - Parameter error */
+/* EPCBT_ERR_CHNOTOPEN - Channel is not opened */
+/* EPCBT_ERR_FNCDISABLE - Function is disable to be completely finished */
+/* EPCBT_ERR_FATAL - Fatal communication error */
+/* EPCBT_ERR_CMDDENIED - Command is denied (Channel is not opened) */
+/* EPCBT_ERR_UERESULT - Undefined result value */
+/* EPCBT_ERR_WRITEERROR - Failed to write */
+/* */
+/* Description: */
+/* Write the data to printer. */
+/* */
+/*******************************************|********************************************/
+EPS_INT32 cbtCommWriteData (
+
+ EPS_FILEDSC fd,
+ EPS_INT32 Channel,
+ const EPS_UINT8* Buffer,
+ EPS_INT32 BuffLen,
+ EPS_INT32* Size
+
+){
+ EPS_INT32 Ret = EPCBT_ERR_NONE;
+ EPS_INT32 Written;
+ EPS_INT32 RestSize;
+ EPS_UINT8 CBTCh = 0;
+
+ EPS_LOG_FUNCIN;
+
+ CBTDebugPrintf(("EPS CBT : cbtCommWriteData -> ioOpenState == %s\r\n", ioOpenState == EPS_IO_OPEN ? "ON" : "OFF"));
+
+ if ( ioOpenState == EPS_IO_NOT_OPEN ) { /* Open check */
+ Ret = EPSCBT_ERR_NOTOPEN;
+ }
+ else
+ {
+ /* Send Data */
+ Ret = commChChange( Channel, &CBTCh ); /* channel change */
+ if( Ret == EPCBT_ERR_NONE )
+ {
+ *Size = 0; /* size clear */
+ RestSize = BuffLen;
+
+ while ( RestSize > 0 )
+ {
+ Written = RestSize;
+ Ret = EPCBT_Write(fd, CBTCh, &Buffer[*Size], &Written ); /* Write */
+ *Size += Written; /* Set Write Length */
+ RestSize -= Written;
+
+ if( Ret != EPCBT_ERR_NONE )
+ break;
+ }
+ }
+ }
+
+#ifdef COMM_DBG_ERROR
+ if ( Ret != EPCBT_ERR_NONE )
+ CBTDebugPrintf(("<< WriteData Ret[%d] Size[%d]\r\n", Ret, *Size));
+#endif
+
+ EPS_RETURN( Ret );
+}
+
+
+/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%|%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
+/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%|%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
+/*%%%%%%%%%%%%%%%%%%%% %%%%%%%%%%%%%%%%%%%%%*/
+/*-------------------- Local Functions ---------------------*/
+/*%%%%%%%%%%%%%%%%%%%% %%%%%%%%%%%%%%%%%%%%%*/
+/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%|%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
+/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%|%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
+
+/*******************************************|********************************************/
+/* */
+/* Function name: commOpen() */
+/* */
+/* Arguments */
+/* --------- */
+/* Name: Type: Description: */
+/* devinfo EPS_USB_DEVICE I: Pointer to a usb device infomation */
+/* fd EPS_FILEDSC* O: file discripter */
+/* */
+/* Return value: */
+/* EPCBT_ERR_NONE - Success */
+/* EPSCBT_ERR_2NDOPEN - CBT channels are already opened */
+/* EPS_ERR_NOT_OPEN_IO - Cannot Open I/O Portal */
+/* EPCBT_ERR_CBT2NDOPEN - CBT channels are already opened */
+/* EPCBT_ERR_MEMORY - Fail to memory allocation */
+/* EPCBT_ERR_CBTDISABLE - Fail to CBT communication */
+/* EPCBT_ERR_FATAL - Fatal communication error */
+/* EPCBT_ERR_INITDENIED - Printer cannot start CBT mode */
+/* EPCBT_ERR_VERSION - Incompatible version */
+/* EPCBT_ERR_INITFAILED - Not used by EPSON */
+/* EPCBT_ERR_UERESULT - Undefined result value */
+/* EPCBT_ERR_CBTNOTOPEN - Port is not open */
+/* EPCBT_ERR_PARAM - Parameter error */
+/* EPCBT_ERR_MULFORMEDPACKET - Received invalid packet */
+/* EPCBT_ERR_NOSERVICE - The channel does not support the requested */
+/* service */
+/* */
+/* Description: */
+/* Opens the communication. */
+/* */
+/*******************************************|********************************************/
+static EPS_INT32 commOpen (
+
+ const EPS_USB_DEVICE* devinfo,
+ EPS_FILEDSC* fd
+
+){
+ EPS_INT32 Ret = EPCBT_ERR_NONE;
+ EPS_UINT8 Sid = 0;
+
+ EPS_LOG_FUNCIN;
+
+ if ( ioOpenState == EPS_IO_OPEN ) { /* Open check */
+ Ret = EPSCBT_ERR_2NDOPEN;
+ } else {
+ if ( (*fd = epsUsbFnc.openPortal(devinfo)) == EPS_INVALID_FILEDSC)
+ EPS_RETURN( EPS_ERR_NOT_OPEN_IO );
+
+ /* Open process */
+ Ret = EPCBT_Open(*fd, NULL, epsUsbFnc.writePortal, epsUsbFnc.readPortal); /* Open */
+
+ if ( Ret == EPCBT_ERR_NONE ) {
+ /* channel confirm */
+ Ret = EPCBT_GetSocketID( *fd, &Sid, (EPS_UINT8*)"EPSON-DATA", 10 );
+ if ( Ret == EPCBT_ERR_NONE )
+ Ret = EPCBT_GetSocketID( *fd, &Sid, (EPS_UINT8*)"EPSON-CTRL", 10 );
+
+ if(EPCBT_ERR_NONE != Ret ){
+ EPCBT_Close(*fd);
+ }
+ } else if(EPS_INVALID_FILEDSC != *fd){
+ epsUsbFnc.closePortal(*fd);
+ *fd = EPS_INVALID_FILEDSC;
+ }
+ }
+
+ if ( Ret == EPCBT_ERR_NONE )
+ ioOpenState = EPS_IO_OPEN; /* Open flag On */
+
+ CBTDebugPrintf(("EPS CBT : commOpen -> ioOpenState == %s\r\n", ioOpenState == EPS_IO_OPEN ? "ON" : "OFF"));
+
+ EPS_RETURN( Ret );
+}
+
+/*******************************************|********************************************/
+/* */
+/* Function name: commClose() */
+/* */
+/* Arguments */
+/* --------- */
+/* Name: Type: Description: */
+/* fd EPS_FILEDSC I: file discripter */
+/* */
+/* Return value: */
+/* EPCBT_ERR_NONE - Success */
+/* EPSCBT_ERR_NOTOPEN - I/O port is not opened */
+/* EPCBT_ERR_CBTNOTOPEN - Port is not open */
+/* */
+/* Description: */
+/* Close the communication. */
+/* */
+/*******************************************|********************************************/
+static EPS_INT32 commClose (
+
+ EPS_FILEDSC fd
+
+){
+ EPS_INT32 Ret = EPCBT_ERR_NONE;
+ EPS_INT32 closePtlState = 0;
+
+ EPS_LOG_FUNCIN;
+
+ if ( ioOpenState == EPS_IO_NOT_OPEN ) /* Open check */
+ Ret = EPSCBT_ERR_NOTOPEN;
+ else
+ {
+ Ret = EPCBT_Close(fd); /* Channel close & cbt exit */
+
+ closePtlState = epsUsbFnc.closePortal(fd);
+
+ ioOpenState = EPS_IO_NOT_OPEN; /* Open flag Off */
+ }
+
+#ifdef COMM_DBG_ERROR
+ if ( Ret != EPCBT_ERR_NONE )
+ CBTDebugPrintf(("<< Close Ret[%d] Close Portal[%d]\r\n", Ret, closePtlState));
+#endif
+
+ EPS_RETURN( Ret );
+}
+
+/*******************************************|********************************************/
+/* */
+/* Function name: commOpenChannel() */
+/* */
+/* Arguments */
+/* --------- */
+/* Name: Type: Description: */
+/* fd EPS_FILEDSC I: file discripter */
+/* Channel EPS_INT32 I: channel number */
+/* bRetry EPS_BOOL I: If TRUE, retry open */
+/* */
+/* Return value: */
+/* EPCBT_ERR_NONE - Success */
+/* EPSCBT_ERR_NOTOPEN - CBT channels are not opened */
+/* EPSCBT_ERR_PARAM - Parameter error */
+/* EPCBT_ERR_CBTNOTOPEN - Port is not open */
+/* EPCBT_ERR_PARAM - Parameter error */
+/* EPCBT_ERR_CH2NDOPEN - Channel is already open */
+/* EPCBT_ERR_RPLYPSIZE - Size of packet from OpenChannel is invalid */
+/* EPCBT_ERR_FATAL - Fatal communication error */
+/* EPCBT_ERR_UERESULT - Undefined result value */
+/* EPCBT_ERR_NOREPLY - No reply from printer */
+/* EPCBT_ERR_MULFORMEDPACKET - Received invalid packet */
+/* EPCBT_ERR_UEREPLY - Received reply for a command not issued */
+/* EPCBT_ERR_RESOURCE - Insufficient printer resources for */
+/* OpenChannel */
+/* EPCBT_ERR_OPENCHANNEL - Not used by EPSON */
+/* EPCBT_ERR_CHNOTSUPPORT - The channel is not supported */
+/* EPCBT_ERR_PACKETSIZE - Invalid packet size. */
+/* (0x0001 ? 0x0005 bytes) */
+/* EPCBT_ERR_NULLPACKETSZ - Packet size is 0x0000 in both directions. */
+/* No data can be transferred. Channel was */
+/* not opened */
+/* */
+/* Description: */
+/* Opens the communication channel. */
+/* */
+/*******************************************|********************************************/
+static EPS_INT32 commOpenChannel (
+
+ EPS_FILEDSC fd,
+ EPS_INT32 Channel,
+ EPS_BOOL bRetry
+
+){
+ EPS_INT32 Ret = EPCBT_ERR_NONE;
+ EPS_UINT8 CBTCh = 0;
+
+ EPS_LOG_FUNCIN;
+
+ if ( ioOpenState == EPS_IO_NOT_OPEN ) { /* Open check */
+ Ret = EPSCBT_ERR_NOTOPEN;
+ } else{
+ Ret = commChChange( Channel, &CBTCh ); /* Channel Change */
+
+ if ( Ret == EPCBT_ERR_NONE ) {
+ if ((CBTCh == CBT_CBTCH_DATA) && (ioDataChState == EPS_IO_NOT_OPEN)) {
+ Ret = (EPS_INT16)EPCBT_OpenChannel(fd, CBTCh, bRetry); /* Open Data Channel */
+ if (Ret == EPCBT_ERR_NONE)
+ ioDataChState = EPS_IO_OPEN;
+ }
+
+ if ((CBTCh == CBT_CBTCH_CTRL) && (ioControlChState == EPS_IO_NOT_OPEN)) {
+ Ret = (EPS_INT16)EPCBT_OpenChannel(fd, CBTCh, bRetry); /* Open Control Channel */
+ if (Ret == EPCBT_ERR_NONE)
+ ioControlChState = EPS_IO_OPEN;
+ }
+ }
+ }
+
+#ifdef COMM_DBG_ERROR
+ CBTDebugPrintf(("EPS CBT : commOpenChannel(%x)->%d\r\n", CBTCh, Ret));
+ CBTDebugPrintf(("EPS CBT : commOpenChannel-> ioOpenState == %s\r\n", ioOpenState == EPS_IO_OPEN ? "ON" : "OFF"));
+ if ( Ret != EPCBT_ERR_NONE )
+ CBTDebugPrintf(("<< Close Channel Ret[%d]\r\n", Ret));
+#endif
+
+ EPS_RETURN( Ret );
+}
+
+/*******************************************|********************************************/
+/* */
+/* Function name: commCloseChannel() */
+/* */
+/* Arguments */
+/* --------- */
+/* Name: Type: Description: */
+/* fd EPS_FILEDSC I: file discripter */
+/* Channel EPS_INT32 I: channel number */
+/* */
+/* Return value: */
+/* EPCBT_ERR_NONE - Success */
+/* EPSCBT_ERR_NOTOPEN - CBT channels are not opened */
+/* EPSCBT_ERR_PARAM - Parameter error */
+/* EPCBT_ERR_CBTNOTOPEN - Port is not open */
+/* EPCBT_ERR_CHNOTOPEN - Channel is not opened */
+/* EPCBT_ERR_NONE - Success */
+/* EPCBT_ERR_FATAL - Fatal communication error */
+/* EPCBT_ERR_CLOSEDENIED - Close Channel is denied */
+/* EPCBT_ERR_CMDDENIED - Command is denied (Channel is not opened) */
+/* EPCBT_ERR_UERESULT - Undefined result value */
+/* EPCBT_ERR_NOREPLY - No reply from printer */
+/* EPCBT_ERR_MULFORMEDPACKET - Received invalid packet */
+/* EPCBT_ERR_UEREPLY - Received reply for a command not issued */
+/* */
+/* Description: */
+/* Close the communication channel. */
+/* */
+/*******************************************|********************************************/
+static EPS_INT32 commCloseChannel (
+
+ EPS_FILEDSC fd,
+ EPS_INT32 Channel
+
+){
+ EPS_INT32 Ret = EPCBT_ERR_NONE;
+ EPS_UINT8 CBTCh = 0;
+
+ EPS_LOG_FUNCIN;
+
+ if ( ioOpenState == EPS_IO_NOT_OPEN ) /* Open check */
+ Ret = EPSCBT_ERR_NOTOPEN;
+ else
+ {
+ /* Channel close */
+ Ret = commChChange( Channel, &CBTCh ); /* Channel Change */
+
+ if ( Ret == EPCBT_ERR_NONE ) {
+ if ((CBTCh == CBT_CBTCH_DATA) && (ioDataChState == EPS_IO_OPEN)) {
+ Ret = (EPS_INT16)EPCBT_CloseChannel(fd, CBTCh); /* Close Data Channel */
+ /*if (Ret == EPCBT_ERR_NONE) Force reset */
+ ioDataChState = EPS_IO_NOT_OPEN;
+ }
+
+ if ((CBTCh == CBT_CBTCH_CTRL) && (ioControlChState == EPS_IO_OPEN)) {
+ Ret = (EPS_INT16)EPCBT_CloseChannel(fd, CBTCh); /* Close Control Channel */
+ /*if (Ret == EPCBT_ERR_NONE) Force reset */
+ ioControlChState = EPS_IO_NOT_OPEN;
+ }
+ }
+ }
+
+#ifdef COMM_DBG_ERROR
+ if ( Ret != EPCBT_ERR_NONE )
+ CBTDebugPrintf(("<< Close Channel Ret[%d]\r\n", Ret));
+#endif
+
+ EPS_RETURN( Ret );
+}
+
+/*******************************************|********************************************/
+/* */
+/* Function name: commChChange() */
+/* */
+/* Arguments */
+/* --------- */
+/* Name: Type: Description: */
+/* Channel EPS_INT32 I: Channel number definition */
+/* 00: Data Channel */
+/* 01: Control Channel */
+/* CBTCh EPS_UINT8* O: Pointer to the channel number */
+/* 40: Data Channel */
+/* 02: Control Channel */
+/* */
+/* Return value: */
+/* EPCBT_ERR_NONE - Success */
+/* EPSCBT_ERR_PARAM - Parameter error */
+/* */
+/* Description: */
+/* Set the channel number. */
+/* */
+/*******************************************|********************************************/
+static EPS_INT32 commChChange (
+
+ EPS_INT32 Channel,
+ EPS_UINT8 *CBTCh
+
+){
+ EPS_INT32 Ret = EPCBT_ERR_NONE;
+
+ EPS_LOG_FUNCIN;
+
+ switch (Channel)
+ {
+ case EPS_CBTCHANNEL_DATA: /* Data Channel */
+ *CBTCh = CBT_CBTCH_DATA;
+ break;
+ case EPS_CBTCHANNEL_CTRL: /* Control Channel */
+ *CBTCh = CBT_CBTCH_CTRL;
+ break;
+ default: /* Error */
+ Ret = EPSCBT_ERR_PARAM;
+ break;
+ }
+
+ EPS_RETURN( Ret );
+}
+
+
+/*******************************************|********************************************/
+/*vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/
+/*vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/
+/*vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv Mini CBT Engine vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/
+/*vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/
+/*vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/
+/*******************************************|********************************************/
+
+/*******************************************|********************************************/
+/* */
+/* Function name: EPCBT_Open */
+/* */
+/* Arguments */
+/* --------- */
+/* Name: Type: Description: */
+/* fd EPS_FILEDSC I: file discripter */
+/* pvPortInfo void * I: Port information */
+/* lpWriteFunc EPS_WritePortal I: Pointer to write function */
+/* lpReadFunc EPS_ReadPortal I: Pointer to read functiont information */
+/* */
+/* Return value: */
+/* EPCBT_ERR_NONE - Success */
+/* EPCBT_ERR_CBT2NDOPEN - CBT channels are already opened */
+/* EPCBT_ERR_MEMORY - Fail to memory allocation */
+/* EPCBT_ERR_CBTDISABLE - Fail to CBT communication */
+/* EPCBT_ERR_FATAL - Fatal communication error */
+/* EPCBT_ERR_INITDENIED - Printer cannot start CBT mode */
+/* EPCBT_ERR_VERSION - Incompatible version */
+/* EPCBT_ERR_INITFAILED - Not used by EPSON */
+/* EPCBT_ERR_UERESULT - Undefined result value */
+/* */
+/* Description: */
+/* Opens the CBT communication */
+/* */
+/*******************************************|********************************************/
+static EPS_INT16 EPCBT_Open (
+
+ EPS_FILEDSC fd,
+ void* pvPortInfo,
+ EPS_WritePortal lpWriteFunc,
+ EPS_ReadPortal lpReadFunc
+
+){
+ EPS_INT16 Ret = EPCBT_ERR_NONE;
+
+ EPS_LOG_FUNCIN;
+
+#ifdef CBT_DBG_IO
+ sprintf(debMsgWork,"EPCBT_Open (S)\r\n");
+ DebMsgOut(debMsgWork);
+#endif
+
+ if( gpCbtPrnInfo != NULL) {
+ Ret = EPCBT_ERR_CBT2NDOPEN;
+ } else {
+ Ret = CbtMemAlloc( );
+ }
+
+ if ( Ret == EPCBT_ERR_NONE ) {
+ gpCbtPrnInfo->pPortInfo = pvPortInfo;
+ gpCbtPrnInfo->pCbtWRtnFnc = lpWriteFunc;
+ gpCbtPrnInfo->pCbtRRtnFnc = lpReadFunc;
+ gpCbtPrnInfo->Mode = CBT_MODE_CBTOFF;
+
+ CbtDummyRead( fd, gpCbtPrnInfo ); /* Dummy read */
+ Ret = CbtEpsonPacking( fd, gpCbtPrnInfo ); /* send EpsonPackingCommand */
+ if ( Ret == EPCBT_ERR_NONE )
+ Ret = CbtInitCommand( fd, gpCbtPrnInfo ); /* send InitCommand */
+ }
+
+ if ( Ret == EPCBT_ERR_NONE ) { /* OK ? */
+ gpCbtPrnInfo->Mode = CBT_MODE_CBTON;
+ } else {
+ if(Ret != EPCBT_ERR_CBT2NDOPEN)
+ CbtMemFree( );
+ }
+
+#if CBT_DBG_ERROR
+ if( Ret != EPCBT_ERR_NONE ) {
+ sprintf(debMsgWork," <- CBT_Open Ret[%d]\r\n",Ret);
+ DebMsgOut(debMsgWork);
+ }
+#endif
+
+#ifdef CBT_DBG_IO
+ sprintf(debMsgWork,"EPCBT_Open (E)\r\n");
+ DebMsgOut(debMsgWork);
+#endif
+
+ EPS_RETURN( Ret );
+}
+
+/*******************************************|********************************************/
+/* */
+/* Function name: EPCBT_Close() */
+/* */
+/* Arguments */
+/* --------- */
+/* Name: Type: Description: */
+/* fd EPS_FILEDSC I: file discripter */
+/* */
+/* Return value: */
+/* EPCBT_ERR_NONE - Success */
+/* EPCBT_ERR_CBTNOTOPEN - Port is not open */
+/* EPCBT_ERR_FATAL - Fatal communication error */
+/* EPCBT_ERR_CLOSEDENIED - Close Channel is denied */
+/* EPCBT_ERR_CMDDENIED - Command is denied (Channel is not opened) */
+/* EPCBT_ERR_UERESULT - Undefined result value */
+/* EPCBT_ERR_NOREPLY - No reply from printer */
+/* EPCBT_ERR_MULFORMEDPACKET - Received invalid packet */
+/* EPCBT_ERR_UEREPLY - Received reply for a command not issued */
+/* */
+/* Description: */
+/* End CBT mode. */
+/* */
+/*******************************************|********************************************/
+static EPS_INT16 EPCBT_Close (
+
+ EPS_FILEDSC fd
+
+){
+ EPS_INT16 Ret = EPCBT_ERR_NONE;
+ EPS_INT32 lp1;
+ CBTS_CHINFO* ChPtr;
+
+ EPS_LOG_FUNCIN;
+
+#ifdef CBT_DBG_IO
+ sprintf(debMsgWork,"EPCBT_Close (S)\r\n");
+ DebMsgOut(debMsgWork);
+#endif
+
+ if( gpCbtPrnInfo == NULL) {
+ Ret = EPCBT_ERR_CBTNOTOPEN;
+ } else {
+ gpCbtPrnInfo->Mode = CBT_MODE_REQOFF;
+
+ for ( lp1 = 1; lp1 < CBT_MAX_CH ; lp1++ ) {
+ ChPtr = &gpCbtPrnInfo->Chinfo[lp1];
+
+ if ( ChPtr->No != 0 ) {
+ Ret = CbtCloseChannelCommand( fd, gpCbtPrnInfo, ChPtr->No ); /* Channel Close */
+ }
+ }
+
+ for ( lp1 = 0; lp1 < CBT_MAX_CH ; lp1++ ) {
+ ChPtr = &gpCbtPrnInfo->Chinfo[lp1];
+ ChPtr->No = 0;
+ ChPtr->PtSsize = 0;
+ ChPtr->StPsize = 0;
+ ChPtr->CreditP = 0;
+ ChPtr->CreditH = 0;
+ ChPtr->ReadSize = 0;
+ ChPtr->RTmpTop = 0;
+ ChPtr->RTmpEnd = 0;
+ ChPtr->RTmpCnt = 0;
+ }
+
+ gpCbtPrnInfo->Mode = CBT_MODE_CBTOFF;
+ }
+ CbtMemFree( );
+
+#if CBT_DBG_ERROR
+ if( Ret != EPCBT_ERR_NONE ) {
+ sprintf(debMsgWork, " <- CBT_Close Error! Ret[%d]\r\n",Ret);
+ DebMsgOut(debMsgWork);
+ }
+#endif
+
+#ifdef CBT_DBG_IO
+ sprintf(debMsgWork,"EPCBT_Close (E)\r\n");
+ DebMsgOut(debMsgWork);
+#endif
+
+ EPS_RETURN( Ret );
+}
+
+/*******************************************|********************************************/
+/* */
+/* Function name: EPCBT_OpenChannel */
+/* */
+/* Arguments */
+/* --------- */
+/* Name: Type: Description: */
+/* fd EPS_FILEDSC I: file discripter */
+/* SID EPS_UINT8 I: socket id */
+/* bRetry EPS_BOOL I: If TRUE, retry open */
+/* */
+/* Return value: */
+/* EPCBT_ERR_NONE - Port is not open */
+/* EPCBT_ERR_CBTNOTOPEN - Port is not open */
+/* EPCBT_ERR_PARAM - Parameter error */
+/* EPCBT_ERR_CH2NDOPEN - Channel is already open */
+/* EPCBT_ERR_RPLYPSIZE - Size of packet from OpenChannel is invalid */
+/* EPCBT_ERR_FATAL - Fatal communication error */
+/* EPCBT_ERR_UERESULT - Undefined result value */
+/* EPCBT_ERR_NOREPLY - No reply from printer */
+/* EPCBT_ERR_MULFORMEDPACKET - Received invalid packet */
+/* EPCBT_ERR_UEREPLY - Received reply for a command not issued */
+/* EPCBT_ERR_RESOURCE - Insufficient printer resources for */
+/* OpenChannel */
+/* EPCBT_ERR_OPENCHANNEL - Not used by EPSON */
+/* EPCBT_ERR_CHNOTSUPPORT - The channel is not supported */
+/* EPCBT_ERR_PACKETSIZE - Invalid packet size. */
+/* (0x0001 ? 0x0005 bytes) */
+/* EPCBT_ERR_NULLPACKETSZ - Packet size is 0x0000 in both directions. */
+/* No data can be transferred. Channel was */
+/* not opened */
+/* */
+/* Description: */
+/* Opens the CBT communication. */
+/* */
+/*******************************************|********************************************/
+static EPS_INT16 EPCBT_OpenChannel (
+
+ EPS_FILEDSC fd,
+ EPS_UINT8 SID,
+ EPS_BOOL bRetry
+
+){
+ EPS_INT16 Ret = EPCBT_ERR_NONE;
+ EPS_UINT32 PtSsize = 0;
+ EPS_UINT32 StPsize = 0;
+ EPS_INT32 iCredit = 0;
+ EPS_INT32 nOpenRetry = 0;
+ EPS_INT32 lp1;
+ CBTS_CHINFO *ChPtr;
+
+ EPS_LOG_FUNCIN;
+
+#ifdef CBT_DBG_IO
+ sprintf(debMsgWork,"EPCBT_OpenChannel (S) 0x%02x\r\n", SID);
+ DebMsgOut(debMsgWork);
+#endif
+
+ if( gpCbtPrnInfo == NULL) {
+ Ret = EPCBT_ERR_CBTNOTOPEN;
+ } else {
+ if ( gpCbtPrnInfo->Mode == CBT_MODE_CBTON ) {
+ if ( (SID == 0x00) || (SID == 0xff) )
+ Ret = EPCBT_ERR_PARAM;
+ else {
+ for ( lp1 = 1; lp1 < CBT_MAX_CH ; lp1++ ) {
+ ChPtr = &gpCbtPrnInfo->Chinfo[lp1];
+ if ( ChPtr->No == SID ) { /* channel open ? */
+ Ret = EPCBT_ERR_CH2NDOPEN;
+ break;
+ }
+ }
+ if ( Ret == EPCBT_ERR_NONE ) {
+ if ( gpCbtPrnInfo->Chinfo[lp1-1].No != 0 ) /* Over flow */
+ Ret = EPCBT_ERR_PARAM;
+ }
+ }
+ } else {
+ Ret = EPCBT_ERR_CBTNOTOPEN;
+ }
+ }
+ if ( Ret == EPCBT_ERR_NONE ) {
+ if ( SID == CBT_SID_DATA ) {
+ PtSsize = CBT_TXPSIZE;
+ StPsize = CBT_RXPSIZE;
+ } else {
+ PtSsize = CBT_RXPSIZE;
+ StPsize = CBT_RXPSIZE;
+ }
+
+ if(bRetry){
+ for( ; EPCBT_ERR_RESOURCE == (iCredit = CbtOpenChannelCommand(fd, gpCbtPrnInfo, SID, &PtSsize, &StPsize, 0, 0) )
+ && nOpenRetry < CBT_OPENCH_RETRY; nOpenRetry++){
+
+ serDelayThread(CBT_OPENCH_WAIT, &epsCmnFnc);
+ }
+ } else{
+ iCredit = CbtOpenChannelCommand(fd, gpCbtPrnInfo, SID, &PtSsize, &StPsize, 0, 0);
+ }
+
+ if ( iCredit < 0 )
+ Ret = (EPS_INT16)iCredit;
+ }
+ if ( Ret == EPCBT_ERR_NONE ) {
+
+ if ( ( PtSsize == 0 ) && ( StPsize == 0 ) )
+ Ret = EPCBT_ERR_RPLYPSIZE;
+ else {
+ if ( (0 < PtSsize) && (PtSsize < 6) )
+ Ret = EPCBT_ERR_RPLYPSIZE;
+ else {
+ if ( (0 < StPsize) && (StPsize < 6) )
+ Ret = EPCBT_ERR_RPLYPSIZE;
+ }
+ }
+ }
+
+ if ( Ret == EPCBT_ERR_NONE ) {
+ for ( lp1 = 1; ; lp1++ ) {
+ if ( lp1 >= CBT_MAX_CH ) {
+ Ret = EPCBT_ERR_PARAM;
+ break;
+ }
+
+ ChPtr = &gpCbtPrnInfo->Chinfo[lp1];
+
+ if ( ChPtr->No == 0 ) {
+ ChPtr->No = SID;
+ ChPtr->PtSsize = (EPS_INT32)PtSsize;
+ ChPtr->StPsize = (EPS_INT32)StPsize;
+ ChPtr->CreditP = iCredit;
+ ChPtr->CreditH = 0;
+ ChPtr->ReadSize = 0;
+ ChPtr->RTmpTop = 0;
+ ChPtr->RTmpEnd = 0;
+ ChPtr->RTmpCnt = 0;
+ if ( SID == CBT_SID_CTRL ) {
+ CbtChDummyRead( fd, gpCbtPrnInfo, ChPtr ); /* Dummy Read */
+ }
+ break;
+ }
+ }
+ }
+
+#if CBT_DBG_ERROR
+ if( Ret != EPCBT_ERR_NONE ) {
+ sprintf(debMsgWork, " <- EPCBT_OpenChannel Ret[%d] CH[%x]\r\n", Ret,SID);
+ DebMsgOut(debMsgWork);
+ }
+#endif
+
+#ifdef CBT_DBG_IO
+ sprintf(debMsgWork,"EPCBT_OpenChannel (E) 0x%02x\r\n", SID);
+ DebMsgOut(debMsgWork);
+#endif
+
+ EPS_RETURN( Ret );
+}
+
+/*******************************************|********************************************/
+/* */
+/* Function name: EPCBT_CloseChannel() */
+/* */
+/* Arguments */
+/* --------- */
+/* Name: Type: Description: */
+/* fd EPS_FILEDSC I: file discripter */
+/* SID EPS_UINT8 I: Socket ID */
+/* */
+/* Return value: */
+/* EPCBT_ERR_NONE - Port is not open */
+/* EPCBT_ERR_CBTNOTOPEN - Port is not open */
+/* EPCBT_ERR_PARAM - Parameter error */
+/* EPCBT_ERR_CHNOTOPEN - Channel is not opened */
+/* EPCBT_ERR_NONE - Success */
+/* EPCBT_ERR_FATAL - Fatal communication error */
+/* EPCBT_ERR_CLOSEDENIED - Close Channel is denied */
+/* EPCBT_ERR_CMDDENIED - Command is denied (Channel is not opened) */
+/* EPCBT_ERR_UERESULT - Undefined result value */
+/* EPCBT_ERR_NOREPLY - No reply from printer */
+/* EPCBT_ERR_MULFORMEDPACKET - Received invalid packet */
+/* EPCBT_ERR_UEREPLY - Received reply for a command not issued */
+/* */
+/* Description: */
+/* Close the communication channel. */
+/* */
+/*******************************************|********************************************/
+static EPS_INT16 EPCBT_CloseChannel (
+
+ EPS_FILEDSC fd,
+ EPS_UINT8 SID
+
+){
+ EPS_INT16 Ret = EPCBT_ERR_NONE;
+ EPS_INT32 lp1;
+ CBTS_CHINFO* ChPtr = NULL;
+
+ EPS_LOG_FUNCIN;
+
+#ifdef CBT_DBG_IO
+ sprintf(debMsgWork,"EPCBT_CloseChannel (S) 0x%02x\r\n", SID);
+ DebMsgOut(debMsgWork);
+#endif
+
+ if( gpCbtPrnInfo == NULL) {
+ Ret = EPCBT_ERR_CBTNOTOPEN;
+ } else {
+ if ( gpCbtPrnInfo->Mode == CBT_MODE_CBTON ) {
+ if ( (SID == 0x00) || (SID == 0xff) )
+ Ret = EPCBT_ERR_PARAM;
+ else {
+ for ( lp1 = 1; ; lp1++ ) {
+ if ( lp1 >= CBT_MAX_CH ) {
+ Ret = EPCBT_ERR_CHNOTOPEN;
+ break;
+ }
+ ChPtr = &gpCbtPrnInfo->Chinfo[lp1];
+ if ( ChPtr->No == SID )
+ break;
+ }
+ }
+ } else {
+ EPS_RETURN( Ret ); /* return normal end */
+ }
+ }
+ if ( Ret == EPCBT_ERR_NONE ) {
+ Ret = CbtCloseChannelCommand( fd, gpCbtPrnInfo, SID );
+ /*if ( Ret == EPCBT_ERR_NONE ) { Force reset */
+ ChPtr->No = 0;
+ ChPtr->PtSsize = 0;
+ ChPtr->StPsize = 0;
+ ChPtr->CreditP = 0;
+ ChPtr->CreditH = 0;
+ ChPtr->ReadSize = 0;
+ ChPtr->RTmpTop = 0;
+ ChPtr->RTmpEnd = 0;
+ ChPtr->RTmpCnt = 0;
+ /*} Force reset */
+ }
+
+#if CBT_DBG_ERROR
+ if( Ret != EPCBT_ERR_NONE ) {
+ sprintf(debMsgWork, " <- CBT_CloseChannel Ret[%d] CH[%x]\r\n",Ret,SID);
+ DebMsgOut(debMsgWork);
+ }
+#endif
+
+#ifdef CBT_DBG_IO
+ sprintf(debMsgWork,"EPCBT_CloseChannel (E) 0x%02x\r\n", SID);
+ DebMsgOut(debMsgWork);
+#endif
+
+ EPS_RETURN( Ret );
+}
+
+/*******************************************|********************************************/
+/* */
+/* Function name: EPCBT_Write() */
+/* */
+/* Arguments */
+/* --------- */
+/* Name: Type: Description: */
+/* fd EPS_FILEDSC I: file discripter */
+/* SID EPS_UINT8 I: Channel-Select */
+/* lpBuffer const EPS_UINT8* I: Buffer Pointer for Write Data */
+/* lpSize EPS_INT32* O: Write Data Buffer Length (bytes) */
+/* */
+/* Return value: */
+/* EPCBT_ERR_NONE - Success */
+/* EPCBT_ERR_CBTNOTOPEN - CBT is not opened */
+/* EPSCBT_ERR_PARAM - Parameter error */
+/* EPCBT_ERR_CHNOTOPEN - Channel is not opened */
+/* EPCBT_ERR_FNCDISABLE - Function is disable to be completely finished */
+/* EPCBT_ERR_FATAL - Fatal communication error */
+/* EPCBT_ERR_CMDDENIED - Command is denied (Channel is not opened) */
+/* EPCBT_ERR_UERESULT - Undefined result value */
+/* EPCBT_ERR_WRITEERROR - Failed to write */
+/* */
+/* Description: */
+/* Write the data to printer. */
+/* */
+/*******************************************|********************************************/
+static EPS_INT16 EPCBT_Write (
+
+ EPS_FILEDSC fd,
+ EPS_UINT8 SID,
+ const EPS_UINT8* lpBuffer,
+ EPS_INT32* lpSize
+
+){
+ EPS_INT16 Ret = EPCBT_ERR_NONE;
+ EPS_INT32 Credit;
+ EPS_INT32 Size;
+ EPS_INT32 Count;
+ EPS_INT32 lp1;
+ EPS_INT32 loopSize;
+ EPS_INT32 SendMaxSize;
+ CBTS_CHINFO* ChPtr = NULL;
+
+ EPS_LOG_FUNCIN;
+
+#ifdef CBT_DBG_IO
+ sprintf(debMsgWork,"EPCBT_Write (S) 0x%02x(%04d)\r\n", SID, *lpSize);
+ DebMsgOut(debMsgWork);
+#endif
+
+ if( gpCbtPrnInfo == NULL) {
+ Ret = EPCBT_ERR_CBTNOTOPEN;
+ } else {
+ if ( gpCbtPrnInfo->Mode == CBT_MODE_CBTON ) {
+ if ( (SID == 0x00) || (SID == 0xff) ) {
+ Ret = EPCBT_ERR_PARAM;
+ } else {
+ for ( lp1 = 1; ; lp1++ ) {
+ if ( lp1 >= CBT_MAX_CH ) {
+ Ret = EPCBT_ERR_CHNOTOPEN;
+ break;
+ }
+ ChPtr = &gpCbtPrnInfo->Chinfo[lp1];
+ if ( ChPtr->No == SID )
+ break;
+ }
+ }
+ } else {
+ Ret = EPCBT_ERR_CBTNOTOPEN;
+ }
+ }
+ if ( Ret == EPCBT_ERR_NONE ) {
+ if( (ChPtr->PtSsize - 6) < *lpSize)
+ SendMaxSize = ChPtr->PtSsize - 6;
+ else
+ SendMaxSize = *lpSize;
+ loopSize = *lpSize;
+ *lpSize = 0;
+ while(loopSize) {
+
+ if ( ChPtr->CreditP == 0 ) {
+ Credit = CbtCreditReqCommand(fd, gpCbtPrnInfo, SID, CBT_CREDIT_LPT, 0xffff);
+ if ( Credit < 0 )
+ Ret = (EPS_INT16)Credit;
+ else if ( Credit == 0 )
+ Ret = EPCBT_ERR_FNCDISABLE;
+ else
+ ChPtr->CreditP = Credit;
+ }
+
+ if ( Ret != EPCBT_ERR_NONE )
+ break;
+
+ if(SendMaxSize < loopSize)
+ Size = SendMaxSize;
+ else
+ Size = loopSize;
+ Count = CbtDataWrite( fd, gpCbtPrnInfo, SID, &lpBuffer[*lpSize], Size );
+ ChPtr->CreditP -= 1;
+ if ( Count >= 0 ) {
+ *lpSize += Count;
+ loopSize -= Count;
+ } else {
+ Ret = (EPS_INT16)Count;
+ break;
+ }
+ }
+ }
+
+#if CBT_DBG_ERROR
+ if( Ret != EPCBT_ERR_NONE ) {
+ sprintf(debMsgWork, " <- CBT_Write Ret[%d] CH[%x] Size[%d]\r\n",Ret,SID,*lpSize);
+ DebMsgOut(debMsgWork);
+ }
+#endif
+
+#ifdef CBT_DBG_IO
+ sprintf(debMsgWork,"EPCBT_Write (E) 0x%02x(%04d)\r\n", SID, *lpSize);
+ DebMsgOut(debMsgWork);
+#endif
+
+ EPS_RETURN( Ret );
+}
+
+/*******************************************|********************************************/
+/* */
+/* Function name: EPCBT_Read */
+/* */
+/* Arguments */
+/* --------- */
+/* Name: Type: Description: */
+/* fd EPS_FILEDSC I: file discripter */
+/* SID EPS_UINT8 I: Socket ID */
+/* lpBuffer EPS_UINT8* O: Pointer to buffer for read data */
+/* lpSize EPS_INT32* O: Pointer to variable for read data size */
+/* */
+/* Return value: */
+/* EPCBT_ERR_NONE - Success */
+/* EPCBT_ERR_CBTNOTOPEN - CBT is not opened */
+/* EPCBT_ERR_PARAM - Parameter error */
+/* EPCBT_ERR_CHNOTOPEN - Channel is not opened */
+/* EPCBT_ERR_FATAL - Fatal communication error */
+/* EPCBT_ERR_CREDITOVF - Credit over flow */
+/* EPCBT_ERR_CMDDENIED - Command is denied (Channel is not opened) */
+/* EPCBT_ERR_UERESULT - Undefined result value */
+/* EPCBT_ERR_NOREPLY - No reply from printer */
+/* EPCBT_ERR_MULFORMEDPACKET - Received invalid packet */
+/* EPCBT_ERR_UEREPLY - Received reply for a command not issued */
+/* EPCBT_ERR_READERROR - Data read error */
+/* */
+/* Description: */
+/* Receive the data from printer. */
+/* */
+/*******************************************|********************************************/
+static EPS_INT16 EPCBT_Read (
+
+ EPS_FILEDSC fd,
+ EPS_UINT8 SID,
+ EPS_UINT8* lpBuffer,
+ EPS_INT32* lpSize
+
+){
+ EPS_INT16 Ret = EPCBT_ERR_NONE;
+ EPS_INT32 Size = 0;
+ EPS_INT32 lp1;
+ CBTS_CHINFO* ChPtr = NULL;
+
+ EPS_LOG_FUNCIN;
+
+#ifdef CBT_DBG_IO
+ sprintf(debMsgWork,"EPCBT_Read (S) 0x%02x(%04d)\r\n", SID, *lpSize);
+ DebMsgOut(debMsgWork);
+#endif
+
+ if( gpCbtPrnInfo == NULL) {
+ Ret = EPCBT_ERR_CBTNOTOPEN;
+ } else {
+ if ( gpCbtPrnInfo->Mode == CBT_MODE_CBTON ) {
+ if ( (SID == 0x00) || (SID == 0xff) ) {
+ Ret = EPCBT_ERR_PARAM;
+ } else {
+ for ( lp1 = 1; ; lp1++ ) {
+ if ( lp1 >= CBT_MAX_CH ) {
+ Ret = EPCBT_ERR_CHNOTOPEN;
+ break;
+ }
+ ChPtr = &gpCbtPrnInfo->Chinfo[lp1];
+ if ( ChPtr->No == SID )
+ break;
+ }
+ }
+ } else {
+ Ret = EPCBT_ERR_CBTNOTOPEN;
+ }
+ }
+ if ( Ret == EPCBT_ERR_NONE ) {
+ if ( lpBuffer == NULL ) {
+ if ( ChPtr->CreditH == 0 ) {
+ Ret = CbtCreditCommand( fd, gpCbtPrnInfo, SID, 1 );
+ if ( Ret == EPCBT_ERR_NONE )
+ ChPtr->CreditH += 1;
+ }
+ if ( Ret == EPCBT_ERR_NONE ) {
+ Ret = CbtDataRead( fd, gpCbtPrnInfo, SID, NULL, &Size );
+ *lpSize = Size;
+ }
+ } else {
+ Size = *lpSize;
+ Ret = CbtDataRead( fd, gpCbtPrnInfo, SID, lpBuffer, &Size );
+ *lpSize = Size;
+ }
+ }
+
+#if CBT_DBG_ERROR
+ if( Ret != EPCBT_ERR_NONE ) {
+ sprintf(debMsgWork, " <- CBT_Read Ret[%d] CH[%x] Size[%d]\r\n",Ret,SID,*lpSize);
+ DebMsgOut(debMsgWork);
+ }
+#endif
+
+#ifdef CBT_DBG_IO
+ sprintf(debMsgWork,"EPCBT_Read (E) 0x%02x(%04d)\r\n", SID, *lpSize);
+ DebMsgOut(debMsgWork);
+#endif
+
+ EPS_RETURN( Ret );
+}
+
+/*******************************************|********************************************/
+/* */
+/* Function name: EPCBT_GetSocketID */
+/* */
+/* Arguments */
+/* --------- */
+/* Name: Type: Description: */
+/* fd EPS_FILEDSC I: file discripter */
+/* pSID EPS_UINT8 * I: Socket ID */
+/* pName EPS_UINT8 * I: Parameter Name */
+/* Size EPS_INT32 I: Size of socket ID */
+/* */
+/* Return value: */
+/* EPCBT_ERR_NONE - Success */
+/* EPCBT_ERR_CBTNOTOPEN - Port is not open */
+/* EPCBT_ERR_PARAM - Parameter error */
+/* EPCBT_ERR_FATAL - Fatal communication error */
+/* EPCBT_ERR_MULFORMEDPACKET - Received invalid packet */
+/* EPCBT_ERR_NOSERVICE - The channel does not support the requested */
+/* service */
+/* EPCBT_ERR_UERESULT - Undefined result value */
+/* */
+/* Description: */
+/* Gets the socket ID. */
+/* */
+/*******************************************|********************************************/
+#if LCOMSW_CBT_SOCKETFUNC_ON
+static EPS_INT16 EPCBT_GetSocketID (
+
+ EPS_FILEDSC fd,
+ EPS_UINT8* pSID,
+ EPS_UINT8* pName,
+ EPS_INT32 Size
+
+){
+ EPS_INT16 Ret = EPCBT_ERR_NONE;
+ EPS_UINT8 SocketID = 0;
+
+ EPS_LOG_FUNCIN;
+
+#ifdef CBT_DBG_IO
+ sprintf(debMsgWork,"EPCBT_GetSocketID (S)\r\n");
+ DebMsgOut(debMsgWork);
+#endif
+
+ if( gpCbtPrnInfo == NULL) {
+ Ret = EPCBT_ERR_CBTNOTOPEN;
+ } else {
+ if ( gpCbtPrnInfo->Mode == CBT_MODE_CBTON ) {
+ if ( (pSID == NULL) || (pName == NULL) ) {
+ Ret = EPCBT_ERR_PARAM;
+ }
+ } else {
+ Ret = EPCBT_ERR_CBTNOTOPEN;
+ }
+ }
+ if ( Ret == EPCBT_ERR_NONE ) {
+ Ret = CbtGetSocketIDCommand( fd, gpCbtPrnInfo, pName, Size, &SocketID );
+ if ( Ret == EPCBT_ERR_NONE )
+ *pSID = SocketID;
+ }
+
+#if CBT_DBG_ERROR
+ if( Ret != EPCBT_ERR_NONE ) {
+ sprintf(debMsgWork, " <- CBT_GetSocketID Ret[%d] SID[%02x]\r\n", Ret,*pSID);
+ DebMsgOut(debMsgWork);
+ }
+#endif
+
+#ifdef CBT_DBG_IO
+ sprintf(debMsgWork,"EPCBT_GetSocketID (E)\r\n");
+ DebMsgOut(debMsgWork);
+#endif
+
+ EPS_RETURN( Ret );
+}
+#endif /* def LCOMSW_CBT_SOCKETFUNC_ON */
+
+/*******************************************|********************************************/
+/* */
+/* Function name: CbtWriteRtn */
+/* */
+/* Arguments */
+/* --------- */
+/* Name: Type: Description: */
+/* fd EPS_FILEDSC I: file discripter */
+/* pCbtPrnInfo CBTS_PRNINFO* I: Printer information */
+/* Buff const EPS_UINT8* I: Pointer to the write data buffer */
+/* BuffLen EPS_INT32 I: Size of the write data buffer */
+/* Cnt EPS_INT32* O: Write data size */
+/* */
+/* Return value: */
+/* EPCBT_ERR_NONE - Success */
+/* EPCBT_ERR_WRITEERROR - Write error */
+/* */
+/* Description: */
+/* Sends the data to the printer. */
+/* */
+/*******************************************|********************************************/
+static EPS_INT16 CbtWriteRtn (
+
+ EPS_FILEDSC fd,
+ CBTS_PRNINFO* pCbtPrnInfo,
+ const EPS_UINT8* Buff,
+ EPS_INT32 BuffLen,
+ EPS_INT32* Cnt
+
+){
+ EPS_INT32 Ans;
+#ifdef CBT_DBG_IO
+ EPS_INT32 lp1;
+#endif
+
+ EPS_LOG_FUNCIN;
+
+ Ans = ( pCbtPrnInfo->pCbtWRtnFnc )( fd, (EPS_UINT8 *)Buff, BuffLen, Cnt );
+
+#ifdef CBT_DBG_IO
+ sprintf(debMsgWork," * Write * Size=%4d(%4d) Data= ",BuffLen, *Cnt);
+ DebMsgOut(debMsgWork);
+ for (lp1 = 0; (lp1 < *Cnt); lp1++) {
+ sprintf(debMsgWork,"%02X ",Buff[lp1]);
+ DebMsgOut(debMsgWork);
+ }
+ DebMsgOut("\r\n");
+#endif
+
+ if ( Ans == 0 ){
+ EPS_RETURN( EPCBT_ERR_NONE );
+ }else{
+ EPS_RETURN( EPCBT_ERR_WRITEERROR );
+ }
+}
+
+/*******************************************|********************************************/
+/* */
+/* Function name: CbtReadRtn */
+/* */
+/* Arguments */
+/* --------- */
+/* Name: Type: Description: */
+/* fd EPS_FILEDSC I: file discripter */
+/* pCbtPrnInfo CBTS_PRNINFO* I: Printer information */
+/* SID EPS_UINT8 I: Socket ID */
+/* lpBuffer EPS_UINT8* I: Pointer to the receive data buffer */
+/* BuffSize EPS_INT32 I: Receive data buffer size */
+/* Cnt EPS_INT32 * O: Receive data size */
+/* DummyRead EPS_UINT8 I: Flag for the dummy read */
+/* */
+/* Return value: */
+/* EPCBT_ERR_NONE - Success */
+/* EPCBT_ERR_PARAM - Parameter error */
+/* EPCBT_ERR_READERROR - Read data error */
+/* EPCBT_ERR_MULFORMEDPACKET - Received invalid packet */
+/* EPCBT_ERR_UERESULT - Undefined result value */
+/* */
+/* Description: */
+/* Recives the data from printer. */
+/* */
+/*******************************************|********************************************/
+static EPS_INT16 CbtReadRtn (
+
+ EPS_FILEDSC fd,
+ CBTS_PRNINFO* pCbtPrnInfo,
+ EPS_UINT8 SID,
+ EPS_UINT8* lpBuffer,
+ EPS_INT32 BuffSize,
+ EPS_INT32* Cnt,
+ EPS_UINT8 DummyRead
+
+){
+ EPS_INT16 Ret = EPCBT_ERR_NONE;
+ EPS_INT32 Ans;
+ EPS_INT32 Count = 0;
+ EPS_INT32 lp1;
+ EPS_INT32 PSize = 0;
+ EPS_INT32 Top;
+ EPS_UINT8 RxSID;
+ CBTS_CHINFO *ChSer = NULL;
+ CBTS_CHINFO *ChPtr = NULL;
+ EPS_UINT8 *wRBuff;
+ EPS_INT32 nDlySpan = 10; /* first 10 ms */
+ EPS_INT32 nDlyTotal = 2000; /* total 2000 ms */
+
+ EPS_LOG_FUNCIN;
+
+ wRBuff = pCbtPrnInfo->pCbtReadRtnBuff;
+ if ( DummyRead == CBT_READ_DMY ) {
+ Ans = ( pCbtPrnInfo->pCbtRRtnFnc )( fd, wRBuff, CBT_MAX_RTMP, &Count );
+
+ *Cnt = Count;
+ if ( Ans != 0 ) {
+ Ret = EPCBT_ERR_READERROR;
+ }
+#ifdef CBT_DBG_IO
+ sprintf(debMsgWork," * Read * Size=%4d(%4d) Data= ",CBT_MAX_RTMP, Count);
+ DebMsgOut(debMsgWork);
+ for (lp1 = 0; (lp1 < Count); lp1++) {
+ sprintf(debMsgWork,"%02X ",wRBuff[lp1]);
+ DebMsgOut(debMsgWork);
+ }
+ DebMsgOut("\r\n");
+#endif
+
+#ifdef CBT_DBG_READ
+ sprintf(debMsgWork,"<CBT Dummy CbtReadRtn> Req-SID[%02x] Size[%d]\r\n",SID, *Cnt);
+ DebMsgOut(debMsgWork);
+ for (lp1 = 0; lp1 < *Cnt; lp1++) {
+ sprintf(debMsgWork,"%02X ",wRBuff[lp1]);
+ DebMsgOut(debMsgWork);
+ }
+ DebMsgOut("\r\n");
+#endif
+ EPS_RETURN( Ret );
+ }
+
+
+ for ( lp1 = 0; ; lp1++ ) {
+ if ( lp1 >= CBT_MAX_CH ){
+ EPS_RETURN( EPCBT_ERR_PARAM );
+ }
+
+ ChSer = &pCbtPrnInfo->Chinfo[lp1];
+ if ( ChSer->No == SID )
+ break;
+ }
+
+ while(nDlyTotal > 0){
+ if ( ChSer->RTmpCnt > 0 ) {
+ PSize = ChSer->RTmpBuff[(ChSer->RTmpTop+3) % CBT_MAX_RTMP]
+ + (ChSer->RTmpBuff[(ChSer->RTmpTop+2) % CBT_MAX_RTMP] << 8);
+
+ if ( BuffSize < PSize ) {
+ Ret = EPCBT_ERR_PARAM;
+ break;
+ }
+ for ( lp1 = 0; lp1 < PSize; lp1++ ) {
+ lpBuffer[lp1] = ChSer->RTmpBuff[ChSer->RTmpTop];
+ ChSer->RTmpTop = (ChSer->RTmpTop+1) % CBT_MAX_RTMP;
+ ChSer->RTmpCnt = (ChSer->RTmpCnt-1);
+ }
+ *Cnt = PSize;
+ break;
+ }
+
+
+ Ans = ( pCbtPrnInfo->pCbtRRtnFnc )( fd, wRBuff, CBT_MAX_RTMP, &Count );
+
+#ifdef CBT_DBG_IO
+ sprintf(debMsgWork," * Read * Size=%4d(%4d) Data= ",CBT_MAX_RTMP, Count);
+ DebMsgOut(debMsgWork);
+ for (lp1 = 0; (lp1 < Count); lp1++) {
+ sprintf(debMsgWork,"%02X ",wRBuff[lp1]);
+ DebMsgOut(debMsgWork);
+ }
+ DebMsgOut("\r\n");
+#endif
+
+ if ( Count != 0 ) {
+ Top = 0;
+ for ( ;; ) {
+ PSize = wRBuff[Top+3] + (wRBuff[Top+2] << 8);
+ if ( ( Count - Top < 4 ) || ( PSize == 0 ) || ( PSize > Count - Top ) ) {
+ Ret = EPCBT_ERR_MULFORMEDPACKET;
+ break;
+ }
+ RxSID = wRBuff[Top];
+
+ for ( lp1 = 0; ; lp1++ ) {
+ if ( lp1 >= CBT_MAX_CH ) {
+ Ret = EPCBT_ERR_UEREPLY;
+ break;
+ }
+ ChPtr = &pCbtPrnInfo->Chinfo[lp1];
+
+ /* Match channel ? */
+ if ( ChPtr->No == RxSID )
+ break;
+ }
+
+ if ( Ret == EPCBT_ERR_NONE ) {
+
+ ChPtr->CreditH -= 1;
+
+ for ( lp1 = 0; lp1 < PSize; lp1++ ) {
+ ChPtr->RTmpBuff[ChPtr->RTmpEnd] = wRBuff[Top+lp1];
+ ChPtr->RTmpEnd = (ChPtr->RTmpEnd+1) % CBT_MAX_RTMP;
+ ChPtr->RTmpCnt = (ChPtr->RTmpCnt+1);
+ }
+
+ Top += PSize;
+ if ( Top >= Count )
+ break;
+ } else {
+ break;
+ }
+ }
+ continue;
+ } else {
+ if ( Ans != 0 ) {
+ Ret = EPCBT_ERR_READERROR;
+ break;
+ }
+ }
+
+ /* Wait */
+ serDelayThread(nDlySpan, &epsCmnFnc);
+
+ nDlyTotal -= nDlySpan;
+ if(nDlySpan < 200){
+ nDlySpan += nDlySpan/2;
+ if(nDlySpan > 200){
+ nDlySpan = 200; /* max 200ms */
+ }
+ }
+ }
+
+ if ( nDlyTotal < 0 )
+ Ret = EPCBT_ERR_READERROR;
+
+#ifdef CBT_DBG_READ
+ sprintf(debMsgWork,"<CBT CbtReadRtn> Req-SID[%02x] Size[%d]\r\n",SID, *Cnt);
+ DebMsgOut(debMsgWork);
+ for (lp1 = 0; lp1 < *Cnt; lp1++) {
+ sprintf(debMsgWork,"%02X ",lpBuffer[lp1]);
+ DebMsgOut(debMsgWork);
+ }
+ DebMsgOut("\r\n");
+#endif
+
+ EPS_RETURN( Ret );
+}
+
+/*******************************************|********************************************/
+/* */
+/* Function name: CbtDummyRead */
+/* */
+/* Arguments */
+/* --------- */
+/* Name: Type: Description: */
+/* fd EPS_FILEDSC I: file discripter */
+/* pCbtPrnInfo CBTS_PRNINFO* I: Printer information */
+/* */
+/* Return value: */
+/* None */
+/* */
+/* Description: */
+/* Try to read data from printer. */
+/* */
+/*******************************************|********************************************/
+static void CbtDummyRead (
+
+ EPS_FILEDSC fd,
+ CBTS_PRNINFO* pCbtPrnInfo
+
+){
+ EPS_INT32 i = 0;
+ EPS_INT32 Cnt = 0;
+
+ EPS_LOG_FUNCIN;
+
+ for ( i = 0; i < CBT_DUMYREAD_MAX ;i++ ) {
+ if ( CbtReadRtn( fd, pCbtPrnInfo, CBT_SID_MAIN, NULL, 0, &Cnt, CBT_READ_DMY ) == EPCBT_ERR_NONE ) {
+ if ( Cnt == 0 )
+ break;
+ } else {
+ break;
+ }
+ }
+
+ EPS_RETURN_VOID;
+}
+
+/*******************************************|********************************************/
+/* */
+/* Function name: CbtChDummyRead */
+/* */
+/* Arguments */
+/* --------- */
+/* Name: Type: Description: */
+/* fd EPS_FILEDSC I: file discripter */
+/* pCbtPrnInfo CBTS_PRNINFO* I: Printer information */
+/* ChPtr CBTS_CHINFO* I: Channel */
+/* */
+/* Return value: */
+/* None */
+/* */
+/* Description: */
+/* Try to read by using <ChPtr>. */
+/* */
+/*******************************************|********************************************/
+static void CbtChDummyRead (
+
+ EPS_FILEDSC fd,
+ CBTS_PRNINFO* pCbtPrnInfo,
+ CBTS_CHINFO* ChPtr
+
+){
+ EPS_INT16 Ret;
+ EPS_INT32 Size;
+
+ EPS_LOG_FUNCIN;
+
+ do {
+ Size = 0;
+ if ( ChPtr->CreditH == 0 ) {
+ Ret = CbtCreditCommand( fd, pCbtPrnInfo, ChPtr->No, 1 );
+ if ( Ret == EPCBT_ERR_NONE )
+ ChPtr->CreditH += 1;
+ else
+ break;
+ }
+ Ret = CbtReadRtn( fd, pCbtPrnInfo, ChPtr->No, NULL, 0, &Size, CBT_READ_DMY );
+ if(Size)
+ ChPtr->CreditH -= 1;
+ Size -= 6;
+ } while(Size > 0);
+
+ EPS_RETURN_VOID;
+}
+
+/*******************************************|********************************************/
+/* */
+/* Function name: CbtReplyCheck */
+/* */
+/* Arguments */
+/* --------- */
+/* Name: Type: Description: */
+/* Reply EPS_UINT8* I: Reply data */
+/* ReplySz EPS_INT32 I: Reply data size */
+/* RpyType EPS_UINT8 I: Reply data type */
+/* */
+/* Return value: */
+/* EPCBT_ERR_NONE - Success */
+/* EPCBT_ERR_NOREPLY - No reply from printer */
+/* EPCBT_ERR_MULFORMEDPACKET - Received invalid packet */
+/* EPCBT_ERR_UEREPLY - Received reply for a command not issued */
+/* */
+/* Description: */
+/* Checks the CBT command replys. */
+/* */
+/*******************************************|********************************************/
+static EPS_INT16 CbtReplyCheck (
+
+ EPS_UINT8* Reply,
+ EPS_INT32 ReplySz,
+ EPS_UINT8 RpyType
+
+){
+ EPS_INT16 Ret = EPCBT_ERR_NONE;
+
+ EPS_LOG_FUNCIN;
+
+ if ( ReplySz == 0 ){
+ EPS_RETURN( EPCBT_ERR_NOREPLY );
+ }
+
+ if( ( Reply[0] != 0x00 ) || ( Reply[1] != 0x00 ) || ( Reply[2] != 0x00 ) ){
+ EPS_RETURN( EPCBT_ERR_MULFORMEDPACKET );
+ }
+
+ switch ( Reply[6] ){
+ case CBT_RPY_INIT:
+ if (Reply[3] != CBT_RPY_SIZE_INIT)
+ Ret = EPCBT_ERR_MULFORMEDPACKET;
+ else if ( RpyType != CBT_CMD_INIT )
+ Ret = EPCBT_ERR_UEREPLY;
+ break;
+
+ case CBT_RPY_OPENCHANNEL:
+ if (Reply[3] != CBT_RPY_SIZE_OPENCHANNEL)
+ Ret = EPCBT_ERR_MULFORMEDPACKET;
+ else if ( RpyType != CBT_CMD_OPENCHANNEL )
+ Ret = EPCBT_ERR_UEREPLY;
+ break;
+
+ case CBT_RPY_CLOSECHANNEL:
+ if (Reply[3] != CBT_RPY_SIZE_CLOSECHANNEL)
+ Ret = EPCBT_ERR_MULFORMEDPACKET;
+ else if ( RpyType != CBT_CMD_CLOSECHANNEL )
+ Ret = EPCBT_ERR_UEREPLY;
+ break;
+
+ case CBT_RPY_CREDIT:
+ if (Reply[3] != CBT_RPY_SIZE_CREDIT)
+ Ret = EPCBT_ERR_MULFORMEDPACKET;
+ else if ( RpyType != CBT_CMD_CREDIT )
+ Ret = EPCBT_ERR_UEREPLY;
+ break;
+
+ case CBT_RPY_CREDITREQUEST:
+ if (Reply[3] != CBT_RPY_SIZE_CREDITREQUEST)
+ Ret = EPCBT_ERR_MULFORMEDPACKET;
+ else if ( RpyType != CBT_CMD_CREDITREQUEST )
+ Ret = EPCBT_ERR_UEREPLY;
+ break;
+
+ case CBT_RPY_DEBIT:
+ case CBT_RPY_DEBITREQUEST:
+ case CBT_RPY_CONFIGSOCKET:
+ break;
+
+ case CBT_RPY_EXIT:
+ if (Reply[3] != CBT_RPY_SIZE_EXIT)
+ Ret = EPCBT_ERR_MULFORMEDPACKET;
+ else if ( RpyType != CBT_CMD_EXIT )
+ Ret = EPCBT_ERR_UEREPLY;
+ break;
+
+ case CBT_RPY_GETSOCKETID:
+ if ( RpyType != CBT_CMD_GETSOCKETID )
+ Ret = EPCBT_ERR_UEREPLY;
+ break;
+
+ case CBT_RPY_GETSERVICENAME:
+ break;
+
+ case CBT_RPY_EPSONPACKING:
+ if (Reply[3] != CBT_RPY_SIZE_EPSONPACKING)
+ Ret = EPCBT_ERR_MULFORMEDPACKET;
+ else if ( RpyType != CBT_CMD_EPSONPACKING )
+ Ret = EPCBT_ERR_UEREPLY;
+ break;
+
+ default:
+ Ret = EPCBT_ERR_MULFORMEDPACKET;
+ }
+
+ EPS_RETURN( Ret );
+}
+
+/*******************************************|********************************************/
+/* */
+/* Function name: CbtEpsonPacking */
+/* */
+/* Arguments */
+/* --------- */
+/* Name: Type: Description: */
+/* fd EPS_FILEDSC I: file discripter */
+/* pCbtPrnInfo CBTS_PRNINFO* I: Printer information */
+/* */
+/* Return value: */
+/* EPCBT_ERR_NONE - Success */
+/* EPCBT_ERR_CBTDISABLE - Fail to CBT communication */
+/* */
+/* Description: */
+/* Sends EpsonPackingCommand and receives reply. */
+/* */
+/*******************************************|********************************************/
+static EPS_INT16 CbtEpsonPacking (
+
+ EPS_FILEDSC fd,
+ CBTS_PRNINFO* pCbtPrnInfo
+
+){
+ EPS_INT16 Ret = EPCBT_ERR_NONE;
+ EPS_INT16 Ans;
+ EPS_INT32 Cnt = 0;
+ EPS_INT32 BuffLen = CBT_CMD_SIZE_EPSONPACKING;
+ EPS_INT32 RSize = 0;
+ static const EPS_UINT8 Buff[] = {
+ 0x00,0x00,0x00,0x1b,0x01,0x40,0x45,0x4a,0x4c,0x20,
+ 0x31,0x32,0x38,0x34,0x2e,0x34,0x0a,0x40,0x45,0x4a,
+ 0x4c,0x0a,0x40,0x45,0x4a,0x4c,0x0a
+ };
+ EPS_UINT8 RBuff[CBT_CMDREPLY_BUFFSZ];
+
+ EPS_LOG_FUNCIN;
+
+ memset(RBuff, 0, CBT_CMDREPLY_BUFFSZ);
+
+ Ans = CbtWriteRtn( fd, pCbtPrnInfo, Buff, BuffLen, &Cnt );
+ if ( Ans != EPCBT_ERR_NONE )
+ Ret = EPCBT_ERR_CBTDISABLE;
+ else {
+ if ( Cnt != BuffLen )
+ Ret = EPCBT_ERR_CBTDISABLE;
+ }
+
+ if ( Ret != EPCBT_ERR_NONE ){
+ EPS_RETURN( Ret ); /* return error end */
+ }
+
+ Ans = CbtReadRtn( fd, pCbtPrnInfo, CBT_SID_MAIN, RBuff, CBT_CMDREPLY_BUFFSZ, &RSize, CBT_READ_NORMAL );
+ if ( Ans != EPCBT_ERR_NONE )
+ Ret = EPCBT_ERR_CBTDISABLE; /* no receive */
+ else {
+ Ret = CbtReplyCheck( RBuff, RSize, CBT_CMD_EPSONPACKING );
+ if ( Ret == EPCBT_ERR_NONE ) {
+ if( ( RBuff[7] != 0x00 ) && ( RBuff[7] != 0x02 ) )
+ Ret = EPCBT_ERR_CBTDISABLE;
+ }
+ }
+
+ EPS_RETURN( Ret );
+}
+
+/*******************************************|********************************************/
+/* */
+/* Function name: CbtInitCommand */
+/* */
+/* Arguments */
+/* --------- */
+/* Name: Type: Description: */
+/* fd EPS_FILEDSC I: file discripter */
+/* pCbtPrnInfo CBTS_PRNINFO* I: Printer information */
+/* */
+/* Return value: */
+/* EPCBT_ERR_NONE - Success */
+/* EPCBT_ERR_FATAL - Fatal communication error */
+/* EPCBT_ERR_INITDENIED - Printer cannot start CBT mode */
+/* EPCBT_ERR_VERSION - Incompatible version */
+/* EPCBT_ERR_UERESULT - Undefined result value */
+/* */
+/* Description: */
+/* Sends init command and receives reply. */
+/* */
+/*******************************************|********************************************/
+static EPS_INT16 CbtInitCommand (
+
+ EPS_FILEDSC fd,
+ CBTS_PRNINFO* pCbtPrnInfo
+
+){
+ EPS_INT16 Ret = EPCBT_ERR_NONE;
+ EPS_INT16 Ans;
+ EPS_INT32 Cnt = 0;
+ EPS_INT32 BuffLen = CBT_CMD_SIZE_INIT;
+ EPS_INT32 RSize = 0;
+ static const EPS_UINT8 Buff[] = {0x00,0x00,0x00,CBT_CMD_SIZE_INIT,0x01,0x00,0x00,0x10};
+ EPS_UINT8 RBuff[CBT_CMDREPLY_BUFFSZ];
+
+ EPS_LOG_FUNCIN;
+
+ memset(RBuff, 0, CBT_CMDREPLY_BUFFSZ);
+
+ Ans = CbtWriteRtn( fd, pCbtPrnInfo, Buff, BuffLen, &Cnt );
+ if ( Ans != EPCBT_ERR_NONE )
+ Ret = EPCBT_ERR_FATAL;
+ else {
+ if ( Cnt != BuffLen )
+ Ret = EPCBT_ERR_FATAL;
+ }
+
+ if ( Ret != EPCBT_ERR_NONE )
+ EPS_RETURN( Ret ); /* return error end */
+
+ Ans = CbtReadRtn( fd, pCbtPrnInfo, CBT_SID_MAIN, RBuff, CBT_CMDREPLY_BUFFSZ, &RSize, CBT_READ_NORMAL );
+ if ( Ans != EPCBT_ERR_NONE )
+ Ret = EPCBT_ERR_FATAL; /* No receive */
+ else {
+ Ret = CbtReplyCheck( RBuff, RSize, CBT_CMD_INIT );
+ if ( Ret == EPCBT_ERR_NONE ) {
+ if ( RBuff[7] != 0x00 ) {
+ if ( RBuff[7] == 0x01 )
+ Ret = EPCBT_ERR_INITDENIED;
+ else if ( RBuff[7] == 0x02 )
+ Ret = EPCBT_ERR_VERSION;
+ else if ( RBuff[7] == 0x0b )
+ Ret = EPCBT_ERR_INITFAILED;
+ else
+ Ret = EPCBT_ERR_UERESULT;
+ }
+ }
+ }
+
+ EPS_RETURN( Ret );
+}
+
+
+/*******************************************|********************************************/
+/* */
+/* Function name: CbtOpenChannelCommand() */
+/* */
+/* Arguments */
+/* --------- */
+/* Name: Type: Description: */
+/* fd EPS_FILEDSC I: file discripter */
+/* pCbtPrnInfo CBTS_PRNINFO* I: Port information */
+/* SID EPS_UINT8 I: Socket ID */
+/* pPtSsz EPS_INT32* O: Primary to secondary packet size */
+/* pStPsz EPS_INT32* O: Secondary to primary packet size */
+/* CreditReq EPS_INT32 I: Credit Requested */
+/* CreditMax EPS_INT32 I: Maximum Outstanding Credit */
+/* */
+/* Return value: */
+/* Credit number - Data packet number that is able to recieve */
+/* by throughing <SID>. */
+/* EPCBT_ERR_FATAL - Fatal communication error */
+/* EPCBT_ERR_UERESULT - Undefined result value */
+/* EPCBT_ERR_NOREPLY - No reply from printer */
+/* EPCBT_ERR_MULFORMEDPACKET - Received invalid packet */
+/* EPCBT_ERR_UEREPLY - Received reply for a command not issued */
+/* EPCBT_ERR_RESOURCE - Insufficient printer resources for OpenChannel*/
+/* EPCBT_ERR_OPENCHANNEL - Not used by EPSON */
+/* EPCBT_ERR_CHNOTSUPPORT - The channel is not supported */
+/* EPCBT_ERR_PACKETSIZE - Invalid packet size. */
+/* (0x0001 ? 0x0005 bytes) */
+/* EPCBT_ERR_NULLPACKETSZ - Packet size is 0x0000 in both directions. */
+/* No data can be transferred. Channel was */
+/* not opened */
+/* */
+/* Description: */
+/* Sends the open channel command and receives the reply. */
+/* */
+/*******************************************|********************************************/
+static EPS_INT32 CbtOpenChannelCommand (
+
+ EPS_FILEDSC fd,
+ CBTS_PRNINFO* pCbtPrnInfo,
+ EPS_UINT8 SID,
+ EPS_UINT32* pPtSsz,
+ EPS_UINT32* pStPsz,
+ EPS_UINT32 CreditReq,
+ EPS_UINT32 CreditMax
+
+){
+ EPS_INT32 Ret = EPCBT_ERR_NONE;
+ EPS_INT16 Ans;
+ EPS_INT32 Cnt = 0;
+ EPS_INT32 BuffLen = CBT_CMD_SIZE_OPENCHANNEL;
+ EPS_INT32 RSize = 0;
+ static EPS_UINT8 Buff[] = {0x00,0x00,0x00,CBT_CMD_SIZE_OPENCHANNEL,0x01,0x00,0x01,0x00,0x00,0,0,0,0,0,0,0,0};
+ EPS_UINT8 RBuff[CBT_CMDREPLY_BUFFSZ];
+
+ EPS_LOG_FUNCIN;
+
+ memset(RBuff, 0, CBT_CMDREPLY_BUFFSZ);
+
+ Buff[7] = SID;
+ Buff[8] = SID;
+
+ CbtPutBigEndianByte2(*pPtSsz,&Buff[9]);
+ CbtPutBigEndianByte2(*pStPsz,&Buff[11]);
+ CbtPutBigEndianByte2(CreditReq,&Buff[13]);
+ CbtPutBigEndianByte2(CreditMax,&Buff[15]);
+
+ Ans = CbtWriteRtn( fd, pCbtPrnInfo, Buff, BuffLen, &Cnt );
+ if ( Ans != EPCBT_ERR_NONE )
+ Ret = EPCBT_ERR_FATAL;
+ else {
+ if ( Cnt != BuffLen )
+ Ret = EPCBT_ERR_FATAL;
+ }
+
+ if ( Ret != EPCBT_ERR_NONE ){
+ EPS_RETURN( Ret ); /* return error end */
+ }
+
+ Ans = CbtReadRtn( fd, pCbtPrnInfo, CBT_SID_MAIN, RBuff, CBT_CMDREPLY_BUFFSZ, &RSize, CBT_READ_NORMAL );
+ if ( Ans != EPCBT_ERR_NONE )
+ Ret = EPCBT_ERR_FATAL; /* No receive */
+ else {
+ Ret = CbtReplyCheck( RBuff, RSize, CBT_CMD_OPENCHANNEL );
+ if ( Ret == EPCBT_ERR_NONE ) {
+ if ( (RBuff[7] != 0x00) && (RBuff[7] != 0x06) ) {
+ if ( RBuff[7] == 0x04 )
+ Ret = EPCBT_ERR_RESOURCE;
+ else if ( RBuff[7] == 0x05 )
+ Ret = EPCBT_ERR_OPENCHANNEL;
+ else if ( RBuff[7] == 0x09 )
+ Ret = EPCBT_ERR_CHNOTSUPPORT;
+ else if ( RBuff[7] == 0x0C )
+ Ret = EPCBT_ERR_PACKETSIZE;
+ else if ( RBuff[7] == 0x0D )
+ Ret = EPCBT_ERR_NULLPACKETSZ;
+ else
+ Ret = EPCBT_ERR_UERESULT;
+ }
+ }
+ }
+
+ if ( Ret != EPCBT_ERR_NONE ){
+ EPS_RETURN( Ret ); /* error end */
+ }
+
+ *pPtSsz = (EPS_UINT32)((RBuff[10] << 8) + RBuff[11]);
+ *pStPsz = (EPS_UINT32)((RBuff[12] << 8) + RBuff[13]);
+ Ret = (RBuff[14] << 8) + RBuff[15];
+
+ EPS_RETURN( Ret );
+}
+
+/*******************************************|********************************************/
+/* */
+/* Function name: CbtCloseChannelCommand() */
+/* */
+/* Arguments */
+/* --------- */
+/* Name: Type: Description: */
+/* fd EPS_FILEDSC I: file discripter */
+/* pCbtPrnInfo CBTS_PRNINFO* I: Port information */
+/* SID EPS_UINT8 I: Socket ID */
+/* */
+/* Return value: */
+/* EPCBT_ERR_NONE - Success */
+/* EPCBT_ERR_FATAL - Fatal communication error */
+/* EPCBT_ERR_CLOSEDENIED - Close Channel is denied */
+/* EPCBT_ERR_CMDDENIED - Command is denied (Channel is not opened) */
+/* EPCBT_ERR_UERESULT - Undefined result value */
+/* EPCBT_ERR_NOREPLY - No reply from printer */
+/* EPCBT_ERR_MULFORMEDPACKET - Received invalid packet */
+/* EPCBT_ERR_UEREPLY - Received reply for a command not issued */
+/* */
+/* Description: */
+/* Send CloseChannel and receive reply. */
+/* */
+/*******************************************|********************************************/
+static EPS_INT16 CbtCloseChannelCommand (
+
+ EPS_FILEDSC fd,
+ CBTS_PRNINFO* pCbtPrnInfo,
+ EPS_UINT8 SID
+
+){
+ EPS_INT16 Ret = EPCBT_ERR_NONE;
+ EPS_INT16 Ans;
+ EPS_INT32 Cnt = 0;
+ EPS_INT32 BuffLen = CBT_CMD_SIZE_CLOSECHANNEL;
+ EPS_INT32 RSize = 0;
+ static EPS_UINT8 Buff[] = {0x00,0x00,0x00,CBT_CMD_SIZE_CLOSECHANNEL,0x01,0x00,0x02,0x00,0x00,0x00};
+ EPS_UINT8 RBuff[CBT_CMDREPLY_BUFFSZ];
+
+ EPS_LOG_FUNCIN;
+
+ memset(RBuff, 0, CBT_CMDREPLY_BUFFSZ);
+
+ Buff[7] = SID;
+ Buff[8] = SID;
+ Ans = CbtWriteRtn( fd, pCbtPrnInfo, Buff, BuffLen, &Cnt );
+ if ( Ans != EPCBT_ERR_NONE )
+ Ret = EPCBT_ERR_FATAL;
+ else {
+ if ( Cnt != BuffLen )
+ Ret = EPCBT_ERR_FATAL;
+ }
+
+ if ( Ret != EPCBT_ERR_NONE ){
+ EPS_RETURN( Ret ); /* return error end */
+ }
+
+ Ans = CbtReadRtn( fd, pCbtPrnInfo, CBT_SID_MAIN, RBuff, CBT_CMDREPLY_BUFFSZ, &RSize, CBT_READ_NORMAL );
+ if ( Ans != EPCBT_ERR_NONE )
+ Ret = EPCBT_ERR_FATAL; /* No receive */
+ else{
+ Ret = CbtReplyCheck( RBuff, RSize, CBT_CMD_CLOSECHANNEL );
+ if ( Ret == EPCBT_ERR_NONE ) {
+ if ( RBuff[7] != 0x00 ) {
+ if ( RBuff[7] == 0x03 )
+ Ret = EPCBT_ERR_CLOSEDENIED;
+ else if ( RBuff[7] == 0x08 )
+ Ret = EPCBT_ERR_CMDDENIED;
+ else
+ Ret = EPCBT_ERR_UERESULT;
+ }
+ }
+ }
+
+ EPS_RETURN( Ret );
+}
+
+/*******************************************|********************************************/
+/* */
+/* Function name: CbtCreditReqCommand() */
+/* */
+/* Arguments */
+/* --------- */
+/* Name: Type: Description: */
+/* fd EPS_FILEDSC I: file discripter */
+/* pCbtPrnInfo CBTS_PRNINFO* I: Printer information */
+/* SID EPS_UINT8 I: SocketID */
+/* CreditReq EPS_INT32 I: Credit Requested */
+/* MaxCredit EPS_INT32 I: Maximum OutStanding Credit */
+/* */
+/* Return value: */
+/* Credit - Success */
+/* EPCBT_ERR_FATAL - Fatal communication error */
+/* EPCBT_ERR_CMDDENIED - Command is denied (Channel is not opened) */
+/* EPCBT_ERR_UERESULT - Undefined result value */
+/* */
+/* Description: */
+/* Request credits and return credit number. */
+/* */
+/*******************************************|********************************************/
+static EPS_INT32 CbtCreditReqCommand (
+
+ EPS_FILEDSC fd,
+ CBTS_PRNINFO* pCbtPrnInfo,
+ EPS_UINT8 SID,
+ EPS_UINT32 CreditReq,
+ EPS_UINT32 MaxCredit
+
+){
+ EPS_INT32 Ret = EPCBT_ERR_NONE;
+ EPS_INT16 Ans;
+ EPS_INT32 Cnt = 0;
+ EPS_INT32 BuffLen = CBT_CMD_SIZE_CREDITREQUEST;
+ EPS_INT32 RSize = 0;
+ static EPS_UINT8 Buff[] = {0x00,0x00,0x00,CBT_CMD_SIZE_CREDITREQUEST,0x01,0x00,0x04,0x00,0x00,0x00,0x00,0x00,0x00};
+ EPS_UINT8 RBuff[CBT_CMDREPLY_BUFFSZ];
+
+ EPS_LOG_FUNCIN;
+
+ memset(RBuff, 0, CBT_CMDREPLY_BUFFSZ);
+
+ Buff[7] = SID;
+ Buff[8] = SID;
+
+ CbtPutBigEndianByte2(CreditReq,&Buff[9]);
+ CbtPutBigEndianByte2(MaxCredit,&Buff[11]);
+
+ Ans = CbtWriteRtn( fd, pCbtPrnInfo, Buff, BuffLen, &Cnt );
+ if ( Ans != EPCBT_ERR_NONE )
+ Ret = EPCBT_ERR_FATAL;
+ else {
+ if ( Cnt != BuffLen )
+ Ret = EPCBT_ERR_FATAL;
+ }
+
+ if ( Ret != EPCBT_ERR_NONE ){
+ EPS_RETURN( Ret ); /* return error end */
+ }
+
+ Ans = CbtReadRtn( fd, pCbtPrnInfo, CBT_SID_MAIN, RBuff, CBT_CMDREPLY_BUFFSZ, &RSize, CBT_READ_NORMAL );
+ if ( Ans != EPCBT_ERR_NONE )
+ Ret = EPCBT_ERR_FATAL; /* No receive */
+ else {
+ Ret = CbtReplyCheck( RBuff, RSize, CBT_CMD_CREDITREQUEST );
+ if ( Ret == EPCBT_ERR_NONE ) {
+ if ( RBuff[7] != 0x00 ) {
+ if ( RBuff[7] == 0x08 )
+ Ret = EPCBT_ERR_CMDDENIED;
+ else
+ Ret = EPCBT_ERR_UERESULT;
+ }
+ }
+ }
+
+ if ( Ret != EPCBT_ERR_NONE ){
+ EPS_RETURN( Ret ); /* return error end */
+ }
+
+ Ret = ( RBuff[11] + (RBuff[10] << 8) );
+
+ EPS_RETURN( Ret );
+}
+
+/*******************************************|********************************************/
+/* */
+/* Function name: CbtCreditCommand() */
+/* */
+/* Arguments */
+/* --------- */
+/* Name: Type: Description: */
+/* fd EPS_FILEDSC I: file discripter */
+/* pCbtPrnInfo CBTS_PRNINFO* I: Printer information */
+/* SID EPS_UINT8 I: SocketID */
+/* Credit EPS_INT32 I: Credit */
+/* */
+/* Return value: */
+/* EPCBT_ERR_NONE - Success */
+/* EPCBT_ERR_FATAL - Fatal communication error */
+/* EPCBT_ERR_CREDITOVF - Credit over flow */
+/* EPCBT_ERR_CMDDENIED - Command is denied (Channel is not opened) */
+/* EPCBT_ERR_UERESULT - Undefined result value */
+/* EPCBT_ERR_NOREPLY - No reply from printer */
+/* EPCBT_ERR_MULFORMEDPACKET - Received invalid packet */
+/* EPCBT_ERR_UEREPLY - Received reply for a command not issued */
+/* */
+/* Description: */
+/* Open the communication channel. */
+/* */
+/*******************************************|********************************************/
+static EPS_INT16 CbtCreditCommand (
+
+ EPS_FILEDSC fd,
+ CBTS_PRNINFO* pCbtPrnInfo,
+ EPS_UINT8 SID,
+ EPS_UINT32 Credit
+
+){
+ EPS_INT16 Ret = EPCBT_ERR_NONE;
+ EPS_INT16 Ans;
+ EPS_INT32 Cnt = 0;
+ EPS_INT32 BuffLen = CBT_CMD_SIZE_CREDIT;
+ EPS_INT32 RSize = 0;
+ static EPS_UINT8 Buff[] = {0x00,0x00,0x00,CBT_CMD_SIZE_CREDIT,0x01,0x00,0x03,0x00,0x00,0x00,0x00};
+ EPS_UINT8 RBuff[CBT_CMDREPLY_BUFFSZ];
+
+ EPS_LOG_FUNCIN;
+
+ memset(RBuff, 0, CBT_CMDREPLY_BUFFSZ);
+
+ Buff[7] = SID;
+ Buff[8] = SID;
+
+ CbtPutBigEndianByte2(Credit,&Buff[9]);
+
+ Ans = CbtWriteRtn( fd, pCbtPrnInfo, Buff, BuffLen, &Cnt );
+ if ( Ans != EPCBT_ERR_NONE )
+ Ret = EPCBT_ERR_FATAL;
+ else {
+ if ( Cnt != BuffLen )
+ Ret = EPCBT_ERR_FATAL;
+ }
+
+ if ( Ret != EPCBT_ERR_NONE ){
+ EPS_RETURN( Ret ); /* return error end */
+ }
+
+ Ans = CbtReadRtn( fd, pCbtPrnInfo, CBT_SID_MAIN, RBuff, CBT_CMDREPLY_BUFFSZ, &RSize, CBT_READ_NORMAL );
+
+ if ( Ans != EPCBT_ERR_NONE )
+ Ret = EPCBT_ERR_FATAL; /* No receive */
+ else {
+ Ret = CbtReplyCheck( RBuff, RSize, CBT_CMD_CREDIT );
+ if ( Ret == EPCBT_ERR_NONE ) {
+ if ( RBuff[7] != 0x00 ) {
+ if ( RBuff[7] == 0x07 )
+ Ret = EPCBT_ERR_CREDITOVF;
+ else if ( RBuff[7] == 0x08 )
+ Ret = EPCBT_ERR_CMDDENIED;
+ else
+ Ret = EPCBT_ERR_UERESULT;
+ }
+ }
+ }
+
+ EPS_RETURN( Ret );
+}
+
+/*******************************************|********************************************/
+/* */
+/* Function name: CbtGetSocketIDCommand */
+/* */
+/* Arguments */
+/* --------- */
+/* Name: Type: Description: */
+/* fd EPS_FILEDSC I: file discripter */
+/* pCbtPrnInfo CBTS_PRNINFO* I: Printer information */
+/* lpNamepName EPS_UINT8 * I: Parameter Name */
+/* Size EPS_INT32 I: Size of socket ID */
+/* SocketID EPS_UINT8 * O: SocketID */
+/* */
+/* Return value: */
+/* EPCBT_ERR_NONE - Success */
+/* EPCBT_ERR_FATAL - Fatal communication error */
+/* EPCBT_ERR_MULFORMEDPACKET - Received invalid packet */
+/* EPCBT_ERR_NOSERVICE - The channel does not support the requested */
+/* service */
+/* EPCBT_ERR_UERESULT - Undefined result value */
+/* */
+/* Description: */
+/* Sends GetSocketID and receives reply. */
+/* */
+/*******************************************|********************************************/
+#if LCOMSW_CBT_SOCKETFUNC_ON
+static EPS_INT16 CbtGetSocketIDCommand (
+
+ EPS_FILEDSC fd,
+ CBTS_PRNINFO* pCbtPrnInfo,
+ EPS_UINT8* lpName,
+ EPS_INT32 Size,
+ EPS_UINT8* SocketID
+
+){
+/*** Declare Variable Local to Routine */
+ EPS_INT16 Ret = EPCBT_ERR_NONE;
+ EPS_INT16 Ans;
+ EPS_INT32 Cnt = 0;
+ EPS_INT32 BuffLen;
+ EPS_INT32 lp1;
+ EPS_INT32 RSize = 0;
+ EPS_UINT8 Buff[CBT_CMD_SIZE_GETSOCKETID + 40];
+ EPS_UINT8 RBuff[CBT_CMDREPLY_BUFFSZ];
+
+ EPS_LOG_FUNCIN;
+
+/*** Initialize Local Variables */
+ memset(Buff, 0, CBT_CMD_SIZE_GETSOCKETID + 40);
+ memset(RBuff, 0, CBT_CMDREPLY_BUFFSZ);
+
+ BuffLen = CBT_CMD_SIZE_GETSOCKETID + Size;
+
+ Buff[0] = 0x00;
+ Buff[1] = 0x00;
+ Buff[2] = 0x00;
+ Buff[3] = (EPS_UINT8)BuffLen;
+ Buff[4] = 0x01;
+ Buff[5] = 0x00;
+ Buff[6] = 0x09;
+
+/*** Sends GetSocketID and receives reply */
+ for ( lp1 = 0; lp1 < Size; lp1++ )
+ Buff[7+lp1] = lpName[lp1];
+
+ Ans = CbtWriteRtn( fd, pCbtPrnInfo, Buff, BuffLen, &Cnt );
+
+ if ( Ans != EPCBT_ERR_NONE )
+ Ret = EPCBT_ERR_FATAL;
+ else {
+ if (Cnt != BuffLen)
+ Ret = EPCBT_ERR_FATAL;
+ }
+
+ if ( Ret != EPCBT_ERR_NONE ){
+ EPS_RETURN( Ret ); /* return error end */
+ }
+
+ Ans = CbtReadRtn( fd, pCbtPrnInfo, CBT_SID_MAIN, RBuff, CBT_CMDREPLY_BUFFSZ, &RSize, CBT_READ_NORMAL );
+ if ( Ans != EPCBT_ERR_NONE )
+ Ret = EPCBT_ERR_FATAL; /* No receive */
+ else {
+ Ret = CbtReplyCheck( RBuff, RSize, CBT_CMD_GETSOCKETID );
+ if ( Ret == EPCBT_ERR_NONE ) {
+ if ( RBuff[3] != (Size + CBT_RPY_SIZE_GETSOCKETID) )
+ Ret = EPCBT_ERR_MULFORMEDPACKET;
+ else if ( RBuff[7] != 0x00 ) {
+ if ( RBuff[7] == 0x0A )
+ Ret = EPCBT_ERR_NOSERVICE;
+ else
+ Ret = EPCBT_ERR_UERESULT;
+ } else {
+ *SocketID = RBuff[8];
+ }
+ }
+ }
+
+ EPS_RETURN( Ret );
+}
+#endif /* def LCOMSW_CBT_SOCKETFUNC_ON */
+
+/*******************************************|********************************************/
+/* */
+/* Function name: CbtDataWrite() */
+/* */
+/* Arguments */
+/* --------- */
+/* Name: Type: Description: */
+/* fd EPS_FILEDSC I: file discripter */
+/* pCbtPrnInfo CBTS_PRNINFO* I: Printer information */
+/* SID EPS_UINT8 I: SocketID */
+/* lpBuffer const EPS_UINT8* I: Pointer to the write data buffer */
+/* Size EPS_INT32 I: Size of the write data buffer */
+/* */
+/* Return value: */
+/* Actually Write Size - Success */
+/* EPCBT_ERR_WRITEERROR - Failed to write */
+/* */
+/* Description: */
+/* Send data to printer. */
+/* */
+/*******************************************|********************************************/
+static EPS_INT32 CbtDataWrite (
+
+ EPS_FILEDSC fd,
+ CBTS_PRNINFO* pCbtPrnInfo,
+ EPS_UINT8 SID,
+ const EPS_UINT8* lpBuffer,
+ EPS_INT32 Size
+
+){
+ EPS_INT32 Ret = EPCBT_ERR_NONE;
+ EPS_INT16 Ans;
+ EPS_INT32 Cnt = 0;
+ EPS_UINT32 BuffLen;
+ EPS_UINT32 lp1;
+ EPS_UINT8* Buff;
+
+ EPS_LOG_FUNCIN;
+
+ Buff = pCbtPrnInfo->pWriteBuff;
+ *(Buff + 0) = SID;
+ *(Buff + 1) = SID;
+
+ /* check packet size and Control */
+ if( (Size+6) > CBT_TXPSIZE)
+ BuffLen = CBT_TXPSIZE;
+ else
+ BuffLen = (EPS_UINT32)(Size + 6);
+
+ CbtPutBigEndianByte2(BuffLen, (Buff+2));
+ *(Buff + 4) = 0;
+ *(Buff + 5) = 0x01; /* end data */
+
+ Buff += 6;
+ for ( lp1=6; lp1<BuffLen; lp1++ )
+ *Buff++ = *lpBuffer++;
+
+ Ans = CbtWriteRtn( fd, pCbtPrnInfo, pCbtPrnInfo->pWriteBuff, (EPS_INT32)BuffLen, &Cnt );
+
+ Ret = Cnt - 6;
+ if (Ret < 0)
+ Ret = EPCBT_ERR_WRITEERROR;
+ else
+ if ( Ans != EPCBT_ERR_NONE )
+ Ret = EPCBT_ERR_WRITEERROR;
+
+ EPS_RETURN( Ret );
+}
+
+/*******************************************|********************************************/
+/* */
+/* Function name: CbtDataRead */
+/* */
+/* Arguments */
+/* --------- */
+/* Name: Type: Description: */
+/* fd EPS_FILEDSC I: file discripter */
+/* pCbtPrnInfo CBTS_PRNINFO* I: Printer information */
+/* SID EPS_UINT8 I: Socket ID */
+/* lpBuffer EPS_UINT8* O: Pointer to buffer for read data */
+/* Size EPS_INT32* O: Pointer to variable for read data size */
+/* */
+/* Return value: */
+/* EPCBT_ERR_NONE - Success */
+/* EPCBT_ERR_CHNOTOPEN - Channel is not opened */
+/* EPCBT_ERR_READERROR - Data read error */
+/* */
+/* Description: */
+/* Read data from printer. */
+/* */
+/*******************************************|********************************************/
+static EPS_INT16 CbtDataRead (
+
+ EPS_FILEDSC fd,
+ CBTS_PRNINFO* pCbtPrnInfo,
+ EPS_UINT8 SID,
+ EPS_UINT8* lpBuffer,
+ EPS_INT32* Size
+
+){
+ EPS_INT16 Ret = EPCBT_ERR_NONE;
+ EPS_INT16 Ans;
+ EPS_INT32 Cnt = 0;
+ EPS_INT32 lp1;
+ CBTS_CHINFO* ChPtr = NULL;
+ EPS_UINT8* RBuff;
+ EPS_UINT8* SBuff;
+
+ EPS_LOG_FUNCIN;
+
+ for ( lp1 = 0; ; lp1++ ) {
+ if ( lp1 >= CBT_MAX_CH ){
+ EPS_RETURN( EPCBT_ERR_CHNOTOPEN );
+ }
+
+ ChPtr = &pCbtPrnInfo->Chinfo[lp1];
+ if ( ChPtr->No == SID ) /* channel open ? */
+ break;
+ }
+
+ SBuff = ChPtr->ReadBuff;
+ if ( lpBuffer == NULL ) {
+ RBuff = pCbtPrnInfo->pCbtDataReadBuff;
+ Ans = CbtReadRtn( fd, pCbtPrnInfo, SID, RBuff, CBT_MAX_RTMP, &Cnt, CBT_READ_NORMAL );
+ if ( Cnt > 6 ) {
+ Cnt -= 6;
+ RBuff += 6;
+ SBuff += ChPtr->ReadSize;
+ for ( lp1 = 0; lp1 < Cnt; lp1++ )
+ *SBuff++ = *RBuff++;
+
+ ChPtr->ReadSize += Cnt;
+ } else {
+ if ( Ans != EPCBT_ERR_NONE )
+ Ret = EPCBT_ERR_READERROR;
+ }
+ *Size = ChPtr->ReadSize;
+ } else {
+ RBuff = lpBuffer;
+ /* Buffer Size Check */
+ if ( *Size > ChPtr->ReadSize )
+ *Size = ChPtr->ReadSize;
+ for ( lp1 = 0; lp1 < *Size; lp1++ )
+ *RBuff++ = *SBuff++;
+ ChPtr->ReadSize = 0;
+ }
+
+ EPS_RETURN( Ret );
+}
+
+/*******************************************|********************************************/
+/* */
+/* Function name: CbtMemAlloc */
+/* */
+/* Arguments */
+/* --------- */
+/* Name: Type: Description: */
+/* - void - */
+/* */
+/* Return value: */
+/* EPCBT_ERR_NONE - Success */
+/* EPCBT_ERR_MEMORY - Fail to memory allocation */
+/* */
+/* Description: */
+/* Allocates the memory for CBT modules. */
+/* */
+/*******************************************|********************************************/
+static EPS_INT16 CbtMemAlloc (
+
+ void
+
+){
+ EPS_INT32 lp1;
+ CBTS_CHINFO *ChPtr;
+
+#if LCOMSW_CBT_ALLOC_MEM
+ gpCbtPrnInfo = (CBTS_PRNINFO*)EPS_ALLOC(sizeof(CBTS_PRNINFO));
+ if(!gpCbtPrnInfo)
+ return EPCBT_ERR_MEMORY;
+ memset(gpCbtPrnInfo, 0, sizeof(CBTS_PRNINFO));
+#else /* LCOMSW_CBT_ALLOC_MEM */
+ gpCbtPrnInfo = &sgcbtprninfo;
+#endif /* LCOMSW_CBT_ALLOC_MEM */
+
+ /* clear */
+ gpCbtPrnInfo->pPortInfo = NULL;
+ gpCbtPrnInfo->pWriteBuff = NULL;
+ gpCbtPrnInfo->pCbtReadRtnBuff = NULL;
+ gpCbtPrnInfo->pCbtDataReadBuff = NULL;
+ for ( lp1 = 0; lp1 < CBT_MAX_CH; lp1++ ) {
+ ChPtr = &gpCbtPrnInfo->Chinfo[lp1];
+ ChPtr->No = (EPS_UINT8)(lp1 == 0 ? CBT_SID_MAIN : 0);
+ ChPtr->PtSsize = 0;
+ ChPtr->StPsize = 0;
+ ChPtr->CreditP = 0;
+ ChPtr->CreditH = 0;
+ ChPtr->ReadSize = 0;
+ ChPtr->ReadBuff = NULL;
+ ChPtr->RTmpBuff = NULL;
+ ChPtr->RTmpTop = 0;
+ ChPtr->RTmpEnd = 0;
+ ChPtr->RTmpCnt = 0;
+ }
+
+#if LCOMSW_CBT_ALLOC_MEM
+ gpCbtPrnInfo->pWriteBuff = (EPS_UINT8*)EPS_ALLOC(CBT_TXPSIZE);
+ if(!gpCbtPrnInfo->pWriteBuff)
+ return EPCBT_ERR_MEMORY;
+ gpCbtPrnInfo->pCbtReadRtnBuff = (EPS_UINT8*)EPS_ALLOC(CBT_MAX_RTMP);
+ if(!gpCbtPrnInfo->pCbtReadRtnBuff)
+ return EPCBT_ERR_MEMORY;
+ gpCbtPrnInfo->pCbtDataReadBuff = (EPS_UINT8*)EPS_ALLOC(CBT_MAX_RTMP);
+ if(!gpCbtPrnInfo->pCbtDataReadBuff)
+ return EPCBT_ERR_MEMORY;
+#else /* LCOMSW_CBT_ALLOC_MEM */
+ gpCbtPrnInfo->pWriteBuff = (EPS_UINT8*)&sgwritebuff[0];
+ gpCbtPrnInfo->pCbtReadRtnBuff = (EPS_UINT8*)&sgcbtreadrtnbuff[0];
+ gpCbtPrnInfo->pCbtDataReadBuff = (EPS_UINT8*)&sgcbtdatareadbuff[0];
+#endif /* LCOMSW_CBT_ALLOC_MEM */
+
+ for ( lp1 = 0; lp1 < CBT_MAX_CH; lp1++ ) {
+ ChPtr = &gpCbtPrnInfo->Chinfo[lp1];
+
+#if LCOMSW_CBT_ALLOC_MEM
+ ChPtr->ReadBuff = (EPS_UINT8*)EPS_ALLOC(CBT_MAX_RTMP);
+ if(!ChPtr->ReadBuff)
+ return EPCBT_ERR_MEMORY;
+ ChPtr->RTmpBuff = (EPS_UINT8*)EPS_ALLOC(CBT_MAX_RTMP);
+ if(!ChPtr->RTmpBuff)
+ return EPCBT_ERR_MEMORY;
+#else /* LCOMSW_CBT_ALLOC_MEM */
+ ChPtr->ReadBuff = (EPS_UINT8*)&sgreadbuff[lp1][0];
+ ChPtr->RTmpBuff = (EPS_UINT8*)&sgrtmpbuff[lp1][0];
+#endif /* LCOMSW_CBT_ALLOC_MEM */
+
+ }
+
+ return EPCBT_ERR_NONE;
+}
+
+/*******************************************|********************************************/
+/* */
+/* Function name: CbtMemFree */
+/* */
+/* Arguments */
+/* --------- */
+/* Name: Type: Description: */
+/* - void - */
+/* */
+/* Return value: */
+/* None */
+/* */
+/* Description: */
+/* Frees the memory for CBT modules. */
+/* */
+/*******************************************|********************************************/
+static void CbtMemFree (
+
+ void
+
+){
+ EPS_INT32 lp1;
+ CBTS_CHINFO *ChPtr;
+
+ if(!gpCbtPrnInfo) {
+ return;
+ }
+
+ for ( lp1 = 0; lp1 < CBT_MAX_CH; lp1++ ) {
+ ChPtr = &gpCbtPrnInfo->Chinfo[lp1];
+#if LCOMSW_CBT_ALLOC_MEM
+ EPS_SAFE_RELEASE(ChPtr->ReadBuff);
+ EPS_SAFE_RELEASE(ChPtr->RTmpBuff);
+#else /* LCOMSW_CBT_ALLOC_MEM */
+ ChPtr->ReadBuff = NULL;
+ ChPtr->RTmpBuff = NULL;
+#endif /* LCOMSW_CBT_ALLOC_MEM */
+
+ }
+
+#if LCOMSW_CBT_ALLOC_MEM
+ EPS_SAFE_RELEASE(gpCbtPrnInfo->pWriteBuff);
+ EPS_SAFE_RELEASE(gpCbtPrnInfo->pCbtReadRtnBuff);
+ EPS_SAFE_RELEASE(gpCbtPrnInfo->pCbtDataReadBuff);
+ EPS_SAFE_RELEASE(gpCbtPrnInfo);
+#else /* LCOMSW_CBT_ALLOC_MEM */
+ gpCbtPrnInfo->pWriteBuff = NULL;
+ gpCbtPrnInfo->pCbtReadRtnBuff = NULL;
+ gpCbtPrnInfo->pCbtDataReadBuff = NULL;
+ gpCbtPrnInfo = NULL;
+#endif /* LCOMSW_CBT_ALLOC_MEM */
+
+ return;
+}
+
+/*******************************************|********************************************/
+/* */
+/* Function name: CbtPutBigEndianByte2() */
+/* */
+/* Arguments */
+/* --------- */
+/* Name: Type: Description: */
+/* value EPS_INT32 I: same value */
+/* buf[2] EPS_UINT8 I/O: Big endian value */
+/* */
+/* Return value: */
+/* None */
+/* */
+/* Description: */
+/* Change input value to the big endian value. */
+/* */
+/*******************************************|********************************************/
+static void CbtPutBigEndianByte2 (
+
+ EPS_UINT32 value,
+ EPS_UINT8 *buf
+
+){
+
+/*** Change 2 bytes value to the big endianness */
+ EPS_UINT16 value2byte = (EPS_UINT16)value;
+
+ buf[0] = (EPS_UINT8)((value2byte >> 8) & 0x00ff);
+ buf[1] = (EPS_UINT8)((value2byte ) & 0x00ff);
+
+}
+
+/*___________________________________ epson-cbt.c ____________________________________*/
+
+/*34567890123456789012345678901234567890123456789012345678901234567890123456789012345678*/
+/* 1 2 3 4 5 6 7 8 */
+/*******************************************|********************************************/
+/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%|%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
+/***** End of File *** End of File *** End of File *** End of File *** End of File ******/
+/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%|%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
+
|