Toshiba V Series - Page 89

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5.2 Sample Computer Link Protocol Program
5
/* SLW */
/**************************************************************************************************************/
/* */
/* cl_send - Register read/write processing */
/* */
/**************************************************************************************************************/
/* */
/* Calling sequence */
/* */
/* cl_send(); */
/* */
/* Arguments: Isdp : int I : socket identifier */
/* ists : int O : return status */
/* */
/**************************************************************************************************************/
int cl_send( int Isdp )
{
int j, k ; /* Loop counter */
int ists = 0 ; /* Return status */
int iret ; /* Return status */
int ircvsiz ; /* Reception data length */
int isndsiz ; /* Data length */
int icunt ; /* Data setup index */
int idat ; /* Temporary */
char csnd[ 1000 ] ; /* Data send buffer */
char crcv[ 1000 ] ; /* Data receive buffer */
fd_set ibits; /* SELECT() bit mask */
struct timeval timeout; /* SELECT() timer value */
struct sockaddr_in Snd, Rcv;
iret = -1 ;
memset( &Snd, 0x00, sizeof( Snd ) );
memset( &Rcv, 0x00, sizeof( Rcv ) );
memset( csnd, 0x00, sizeof( csnd ) ); /* Clear the send data buffer */
memset( crcv, 0x00, sizeof( crcv ) ); /* Clear the receive data buffer */
/* Set up the register write send data */
sprintf( &csnd[ 0 ], "(A01DW" ) ; /* Set up the register write command */
/* Set the starting register number */
sprintf( &csnd[ strlen(csnd)], "%s", REG_TYPE );
sprintf( &csnd[ strlen(csnd) ], "%04s", REG_ADR );
sprintf( &csnd[ strlen( csnd) ], "," ) ;
idat = DATASIZ ; /* Set the data count */
sprintf( &csnd[ strlen( csnd ) ], "%02d", idat ) ;
sprintf( &csnd[ strlen( csnd) ], "," ) ;
icunt = 0 ; /* Comparison data storage index */
for( j = 0, k = 0; k < DATASIZ; k++ ){ /* Set register write data */
sprintf( &csnd[ strlen( csnd) ], "%04X", k ) ;
j = j + 4 ;
sprintf( &csnd[ strlen( csnd) ], "," ) ;
j = j + 1 ;