Appendix A. Parse4610Stream Sample Code

 

void Process4610PrintPacket(char *in_buff, int in_len)

{

char *buffp;

int len_remain;

ulong line_feeds;

char printData[100];

LOG_SETUP("Process4610Packet");

long prt4610Station = 0;

parse4610CommandInfo_t cmdI = {0};

parse4610ContinueInfo_t contI = {0};

uint cmd_len = 0;

int line_count = 0;

 

len_remain = in_len;

buffp = in_buff;

 

logprintf(LOG_HEXLBL, (char *)in_buff, in_len, "4610data");

 

while(len_remain > 0)

{

len_remain = parse4610Stream(//in_buff, in_len, buffp, cmd_len,

// &buffp, &cmd_len, &cmdI, &(tinf->CI));

in_buff, /* Pointer to stream (IN) */

in_len, /* Length of data in stream (IN) */

buffp, /* Pointer returned on last call */

/* (can be NULL if first call) (IN) */

cmd_len, /* Cmd len return on last call */

/* (0 if first call) (IN) */

&buffp, /* Return pointer - points to next */

/* command in the stream (OUT) */

&cmd_len, /* Return command len - len of next */

/* command (OUT) */

&cmdI, /* Pointer to structure containing */

/* additional info about the returned */

/* sub-command (OUT) */

&contI); /* Pointer to structure that keeps */

/* track of information about commands*/

/* that require continuation data. */

/* Structure should be set to all */

/* 0's at initialization */

/* so far (IN/OUT) */

 

 

if (len_remain < 0)

{

logprintf(LOG_DBG, "error detected in command, len_remain 0x%08X\n",

len_remain);

printf("error detected in command, len_remain 0x%08X\n",

len_remain);

break;

}

else

{

line_count += cmdI.line_cnt;

}

 

line_feeds = 0;

 

if (cmdI.cmd_type == PARS46_CMDTYPE_CMD)

{

if (cmdI.cmd_code == PARS46_CMDCODE_SET_STATION)

{

prt4610Station = buffp[3];

}

 

}

else if (cmdI.cmd_type == PARS46_CMDTYPE_CONT)

{

if ((buffp[0] == 0x0A) || (buffp[0] == 0x0D))

line_feeds = 1;

}

memset(printData, 0x00, sizeof(printData));

memcpy(printData, buffp, cmd_len);

switch(cmdI.cmd_code)

{

case PARS46_CMDCODE_DATA:

printf("prt4610Station(%d) command=%d x%04X cmd_len=%d PrintData[%s]\n",

prt4610Station,

cmdI.cmd_code,

cmdI.cmd_code,

cmd_len,

printData);

break;

default:

printf("prt4610Station(%d) command=%d x%04X cmd_len=%d (IGNORED)\n",

prt4610Station,

cmdI.cmd_code,

cmdI.cmd_code,

cmd_len);

break;

}

}

printf("app_line_count of 4610 packet %04x\n", line_count);

logprintf(LOG_DBG, "app_line_count of 4610 packet %04x\n", line_count);

LOG_ENDF();

} /* Process4610PrintPacket() */