Decision Matrix
The full functionality of the decision matrix is explained in the specification.
Beijing have a decision matrix consisting of eight entries. This matrix can be used to control the I/O channels. Possible actions are listed in the table below.
| Action | Action code | Parameter | Description |
|---|---|---|---|
| NOOP | 0 | Not used | No operation. Will do absolutely nothing. |
| SET | 1 | Channel (0-1) | Set output of I/O channel high. Set the output of the I/O channel given by the argument to its high state. The argument is an integer where 0 is output 0 and so on and can be in the range 0-1. |
| CLR | 2 | Channel (0-1) | Set output of I/O channel low. Set the output of the I/O channel given by the argument to its low state. The argument is an integer where 0 is output 0 and so on and can be in the range 0-1. |
| TOGGLE | 3 | Channel (0-1) | Toggle output for channel Toggle output four output I/O channel given by argument. The argument is an integer where 0 is output 0 and so on and can be in the range 0-1. Does not have any meaning for a channel set as input. |
| STATUS | 4 | sendorindex | Works the same as when the module receive a CLASS1.CONTROL,SYNC event with the exception that zone/sub zone always is the same as of the module. |
| STATUSALL | 5 | Not used | same as STATUS above but without the sendorindex argument. Will report info for all channels and types. |
Example
You want to activate output I/O 0 when a CLASS1.CONTROL, TurnOn, Type=5 event is received.
A matrix row consist of
| Byte | Description |
|---|---|
| 0 | oaddr |
| 1 | flags |
| 2 | class-mask |
| 3 | class-filter |
| 4 | type-mask |
| 5 | type-filter |
| 6 | Action code |
| 7 | Action parameter |
So for example if you populate the row with the following values
| Byte | Value | Description |
|---|---|---|
| 0 | 0x00 | oaddr |
| 1 | 0x80 | flags |
| 2 | 0xff | class-mask |
| 3 | 0x1e | class-filter |
| 4 | 0xff | type-mask |
| 5 | 0x05 | type-filter |
| 6 | 0x01 | Action code |
| 7 | 0x01 | Action parameter |
- oaddr set to zero as i is not used.
- flags have one bit set. Enable row. We could have set bit 4 Match Zone to test zone also trigger DM.
- class-mask is set to 0xff as we have just one event we will trigger on.
- class-filter is set to CLASS1.CONTROL.
- type-mask is set to 0xff as we have just one event we will trigger on.
- type-filter is set to 5 which is TurnOn.
- Action code i set to the SET action.
- Action parameter 1 is I/O 0 so this channel will be set high if configured as an output.
If you double click a decision matrix row a dialog comes up which help you to set the values.
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