IOD Usage Constants
The following constants are used to indicate the usage of Information Object Definitions.
Code constant |
Code value and meaning |
IOD_USAGE_M |
[0x00] Mandatory IOD |
IOD_USAGE_C |
[0x01] Conditional IOD |
IOD_USAGE_U |
[0x02] Optional IOD |
IOD_USAGE_1 |
[0x03] Mandatory IOD - type 1 |
IOD_USAGE_1C |
[0x04] Conditional IOD - type 1 |
IOD_USAGE_2 |
[0x05] Mandatory IOD - type 2 |
IOD_USAGE_2C |
[0x06] Conditional IOD - type 2 |
IOD_USAGE_3 |
[0x07] Optional IOD - type 3 |