Picotest M3500A - Page 190

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// Fetch the M3500 measure value ( screen value )
// Set Voltage DC measure
strcpy(pStrout, "CONF:VOLT:DC 0.1,0.1");
status = PviWrite_usb(m_instr_usbtmc, (unsigned char *)pStrout, 21,
&nWritten);
Sleep(1000);
// Send read command
strcpy(pStrout, "READ?");
status = PviWrite_usb(m_instr_usbtmc, (unsigned char *)pStrout, 6,
&nWritten);
Sleep(30);
printf(" output : READ?\n");
status = PviRead_usb(m_instr_usbtmc, pStrin, 64, &nRead);
if (nRead > 0)
{
for (len=0; len < (long) nRead; len++)
{
buffer[len] = pStrin[len];
}
}
buffer[nRead] = '\0';
printf(" input : %s\n\n", buffer);
// Set device to local mode
strcpy(pStrout, "system:local");
status = PviWrite_usb(m_instr_usbtmc, (unsigned char *)pStrout, 13,
&nWritten);
free(pStrout);
// Close device
if (!hUSBTMCLIB)
return;
m_nCount = 0;
m_defaultRM_usbtmc = 0;