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*SRE
Service Request Enable
Sets the service request enable register bits. This enable register contains a mask value for the bits to be enabled in the status byte register. A bit that is set true in the enable register enables the corresponding bit in the status byte register to generate a Service Request.
Command Syntax
*SRE <Decimal data>
Parameters
<dec.data> = the sum (between 0 and 255) of all bits that are true.
Service Request Enable Register (1 = enable) | ||
---|---|---|
Bit | Weight | Enables |
7 | 128 | OPR, Operation Status |
6 | 64 | RQS, Request Service |
5 | 32 | ESB, Event Status Bit |
4 | 16 | MAV, Message Available |
3 | 8 | QUE, Questionable Data/Signal Status |
2 | 4 | EAV, Error Available |
1 | 2 | Not used |
0 | 1 | Device Status |
Returned format
<Integer>
Where:
<Integer> = the sum of all bits that are set.
Example
*SRE 1 6
In this example, the device generates a service request when a message is available in the output queue.