Tektronix TDSUSB2, Руководство пользователя

Страница: 171 / 250

R-GPIB Commands
void display_results(int scope);
/* parameters needed to access the device driver
handler */
#define BDINDEX 0 // Board Index
#define PRIMARY_ADDR_OF_DMM 1 // Primary
address of device
#define NO_SECONDARY_ADDR 0 // Secondary
address of device
#define TIMEOUT T10s // Timeout value
= 10 seconds
#define EOTMODE 1 // Enable the END
message
#define EOSMODE 0 // Disable the EOS
mode
char ErrorMnemonic[21][5] = {"EDVR", "ECIC",
"ENOL", "EADR", "EARG",
"ESAC", "EABO", "ENEB", "EDMA", "",
"EOIP", "ECAP", "EFSO", "", "EBUS",
"ESTB", "ESRQ", "", "", "", "ETAB"};
/*
* After each GPIB call, the application checks
whether the call
* succeeded. If an NI-488.2 call fails, the GPIB
driver sets the
* corresponding bit in the global status
variable. If the call
* failed, this procedure prints an error message,
takes
* the device offline and exits.
*/
TDSUSB2 Universal Serial Bus Measurement Package 157