Technical Manual

4
3.4.1. Controlling the Unit 19
3.4.2. External Power Supply 19
3.4.3. Specifications 20
3.4.4. Bill of Materials 24
3.4.5. Device Photographs 29
4. Software 34
4.1. AMOS 34
4.1.1. Initialization 35
4.1.2. 1/2 Second Interrupt 36
4.1.3. Pulse Counters Interrupt 36
4.2. Mode Check 36
4.3. A/D Task 38
4.4. The Terminal Task 39
4.4.1. Supported Commands 39
4.4.1.1. The SET Series of Commands 39
4.4.1.2. Querying the Actual Configuration Parameters 41
4.5. The Radio Interface Task 41
4.5.1. Digital Squelch 42
4.5.2. Modulation Technique Used 43
4.5.3. Generic Format of a Radio Frame 44
4.5.4. Data Frames 45
4.5.5. Frame Types 45
4.5.5.1. Request 45
4.5.5.2. Broadcast Answer 46
4.5.5.3. Set I/O Request 46
4.5.5.4. Read I/O Answer 47
4.5.5.5. Broadcast Request 47
4.5.5.6. Ping 47
4.5.5.7. Pong 47
4.5.5.8. Memory Dump Request 48
4.5.5.9. Memory Dump Answer 49
4.5.5.10. Data 49
4.5.5.11. Set ID 50
4.5.5.12. Set Slot Time and Sample Rate 50
4.5.5.13. Set Frequency 50
4.5.5.14. Set Battery Charge Levels 51
4.5.5.15. Set Pulse Counters Parameters 51
4.5.5.16. General Acknowledge 51