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Device Status
ds( deviceno, subject )
Return the current status of a device.
Description
ds( deviceno, subject )
This function returns the current status of a device.
Parameters
| deviceno | Device number (1 - 40) | 
| subject | Subject to request (see below) | 
| Subject | Description | 
|---|---|
| DVCSTAT_BATTVOLT | Battery/supply voltage in mV | 
| DVCSTAT_SIGNAL | Signal level, typically 0-100% | 
| DVCSTAT_COMMCOUNT | Comm count, typically count of valid messages | 
| DVCSTAT_COMMERR | Comm error count, typically number of failed communication attempts | 
| DVCSTAT_LASTCOMM | Last comm, EPOCH timestamp of last successful communication | 
Return value
Returns the current status value of the subject requested.
Example usage
ds(2, 4)
Returns the communication error count from device 2.