
Functions > di_strerr

Syntax

di_strerr outputs error strings (as defined below).

Syntax

int di_strerr(err_code,err_str);
unsigned err_code;	/* error code returned by function call */
char *err_str;	/* pointer to string to return error */

Parameters

The di_strerr function maps err_code to an error message string. The pointer to the string is passed to the function and the string is modified by the function. The maximum length of the error message string is 255 characters.

Return Value

The di_strerr function returns a number of characters in err_str.

Dependencies

di_open

Remarks

Error Codes

	Error	Code
	DI_NO_ERR	0
	DI_DRIVER_ERR	1
	DI_COMM_ERR	2
	DI_RESET_ERR	3
	DI_CLOSE_ERR	4
	DI_INFO_ERR	5
	DI_DIGOUT_ERR	6
	DI_ANOUT_ERR	7
	DI_MODE_ERR	8
	DI_START_SCN_ERR	9
	DI_STOP_SCN_ERR	10
	DI_INLIST_ERR	11
	DI_OUTLIST_ERR	12
	DI_BURST_ERR	13
	DI_LENGTH_ERR	14
	DI_EVENT_COUNT_ERR	15
	DI_OPENED_ERR	19
	DI_ERR_CODE	20
	DI_ALREADY_OPEN_ERR	21
	NEXT_ERROR_CODE	22

Sample Code

#include "200sdk.h"
int errcode;
char errstr[255];
main()
{
int i;
if(errcode = di_open()){	/* open the device for comm */
di_strerr(errcode,errstr);
printf("%s",errstr);
}
else
printf("Device installed successfully.....\n");
di_close();
}