rcvdrvctltask.c

epson usb2.0 控制芯片 S1R72V05 固件程序。

/*
 * description: RcvDrvCtlTask
 * Maker	  : Kamada Satoru
 * Copyright  : (C)2004,SEIKO EPSON Corp. All Rights Reserved.
 */
#include <string.h>
#include "kernel.h"
#include "SPRSTS.h"
#include "DrvCtlTask.h"
#include "hw_serial.h"

typedef struct _RCV_DATA
{
	UCHAR		 rcvData[COMBUFSZ];		// Message data part
} RCV_DATA;

DRVCTL_MSG*  pMsg;						// Message area
OS_ER		 ercd = 0;					// Error code
UCHAR		 i , j , k , l;				// Index
UCHAR		 c = 0; 					// Character to receive
UCHAR		 str = 0; 					// Character to save
stSio		 sios;
RCV_DATA	 rcvPastData[RCVDATAMAX];	// String which received past

/*
//=============================================================================
// Function_Name: RcvDrvCtlTask
// description	: Receiving driver control task
// argument		:
// return		:
// flag			:
// global		:
//=============================================================================
*/
void RcvDrvCtlTask( INT ch )
{

	/* Initialize string for receved past */
	memset( rcvPastData , 0x00 , sizeof( rcvPastData ) );

	/* initialize */
	InitSio(ch, (CHAR *) "" );
	CtlSio(ch, 0);

	RefSio(ch, sios);
	for (j = 0 , l = 0 ;;)
	{
		/* Get memory block */
		OS_GetMpf( MPFID_RCV_MSG, (VP)&pMsg );/* Memory pool with fix length for transmitting message use */
		/* Received one line */
		for (i = 0;;)
		{
			ercd = GetSio(ch, &c, 100 );
			str = c;
			/* In case of time out, waiting for receiving */
			if (ercd == E_TMOUT)
			{
				continue;
			}
			/* In case of buffer is full or return, send mail */
			if ((i >= COMBUFSZ - 1) || ( str == '\r' )	|| ( str == '\n' ) )
			{
				break;
			}
			if( str == 0x1E )
			/* Output information inputed past ( Key of upward arrow is pushed ) */
			{
				/* Don't refer once saving */
				if( j == RCVDATAMAX - 1  ||  j >= l  )
				{
					continue;
				}
				// Clear output character
				for( k = i ; k != 0 ; k--)
				{
					PutSio(ch, '\b' ,	1);
					PutSio(ch,	' ' ,	1);
					PutSio(ch, '\b' ,	1);
				}
				/* Initialize number of charaterc to input */
				i = 0;
				/* Add pointer of information past */
				j++;
				/* String which is inputed last time saving & output */
				for( k = 0 ; k < COMBUFSZ ; k++)
				{
					pMsg->pMsgData[ i ] = rcvPastData[ j ].rcvData[ k ];
					if ( rcvPastData[ j ].rcvData[ k ] == '\0')
					{
						break;
					}
					/* ECHO back */
					PutSio(ch, rcvPastData[j].rcvData[ k ] , 1 );
					/* Count up number of characters inputed */
					i++;
				}
			}
			else if( str == 0x1F )
			/* Output information inputed past ( Key of downward arrow is pushed ) */
			{
				/* No log in case of 0 */
				if( l == 0 || j == 0 )
				{
					continue;
				}
				// Clear character to output
				for( k = i ; k != 0 ; k--)
				{
					PutSio(ch, '\b' , 1 );
					PutSio(ch,	' ' , 1 );
					PutSio(ch, '\b' , 1 );
				}
				/* Initialize number of characters to input */
				i = 0;
				/* Subtract pointer of information past */
				j--;
				/* String which is inputed last time saving & output */
				for( k = 0 ; k < COMBUFSZ ; k++)
				{
					pMsg->pMsgData[ i ] = rcvPastData[j].rcvData[ k ];
					if ( rcvPastData[j].rcvData[ k ] == '\0')
					{
						break;
					}
					/* ECHO back */
					PutSio(ch, rcvPastData[j].rcvData[ k ] , 1 );
					/* Count up number of characters inputed */
					i++;
				}
			}
			/* It is acceptable until 'z' ( Cope with BackSpace and Delete in following process ) */
			else if( ( str	>=	' ' )  && ( str  <=  'z' ) &&  ( str != '\b' ) )
			{
				pMsg->pMsgData[ i ] = str;
				/* ECHO back */
				PutSio(ch, str , 1 );
				i++;
			}
			else if( str == '\b' && i > 0 )
			{
				/* Cope with Back_Space */
				i -= 1;
				pMsg->pMsgData[ i ] = '\0';
				PutSio(ch, '\b' , 1 );
				PutSio(ch,	' ' , 1 );
				PutSio(ch, '\b' , 1 );
				continue;
			}
			else
			{
				/* Do nothing except above */
				continue;
			}
		}
		/* Append NULL to the end */
		pMsg->pMsgData[ i ] = '\0';
		/* Don't save only in case of return */
		if ( pMsg->pMsgData[ 0 ]  != '\0' )
		{
			/* Save command */
			for( i = RCVDATAMAX  ; i >= 2 ; i-- )
			{
				// Save in string to receive
				memset( rcvPastData[ i - 1 ].rcvData	, 0x00 , sizeof( rcvPastData[ 0 ].rcvData ) );
				memcpy( rcvPastData[ i - 1 ].rcvData	, rcvPastData[ i - 2 ].rcvData , sizeof( rcvPastData[ 0 ].rcvData ) );
			}
			memset( rcvPastData[ 1 ].rcvData	, 0x00 , sizeof( rcvPastData[ 1 ].rcvData ) );
			memcpy( rcvPastData[ 1 ].rcvData	, pMsg->pMsgData , sizeof( pMsg->pMsgData ) );	// Save in string to receive
			/* Count up the number of saved characters */
			if ( l < 11  )
			{
				l++;
			}
		}
		/* Clear pointer of past information */
		j = 0;
		/* Head part	*/
		pMsg->head.useMpfId = MPFID_RCV_MSG;
		pMsg->head.msgSndTskId = TSKID_RCV;
		pMsg->head.msgNo  = 0;
		pMsg->head.msgLength  = i;
		/* Send message */
		OS_SndMbx( MBXID_DBG , (T_MSG *)pMsg );	/* Send message */
	}
}