The IOC prefixes for the general purpose and the area detector IOCs are defined in each relevent device file. Make it easier to override these (in testing, for example) by defining them at a higher level with the possibility of an environment variable to override.
The IOC prefixes for the general purpose and the area detector IOCs are defined in each relevent device file. Make it easier to override these (in testing, for example) by defining them at a higher level with the possibility of an environment variable to override.