comparison: content/hp34970a_protocol.rst
content/hp34970a_protocol.rst
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| 29 :alt: System Block Diagram of the HP34970A. | 29 :alt: System Block Diagram of the HP34970A. |
| 30 | 30 |
| 31 | 31 |
| 32 The commnucation between the different system blocks is done with | 32 The commnucation between the different system blocks is done with |
| 33 asynchronous serial links. They use the rather uncommon bit rate of | 33 asynchronous serial links. They use the rather uncommon bit rate of |
| 34 187500 baud, with a classic 8N1 schema. | 34 187500 baud, with a classic 8E1 schema (note the *even* parity bit). |
| 35 | 35 |
| 36 | 36 |
| 37 The CPU <-> Display Panel communication protocol | 37 The CPU <-> Display Panel communication protocol |
| 38 ================================================ | 38 ================================================ |
| 39 | 39 |
| 158 | 158 |
| 159 :0x09: to set an indicator in hight bright mode. 1 argument; the number of the | 159 :0x09: to set an indicator in hight bright mode. 1 argument; the number of the |
| 160 indicator to highlight. | 160 indicator to highlight. |
| 161 | 161 |
| 162 :0x01: clear the 'shift' button. Typically sent as ``0x01 0x01 0x0E``. 1 | 162 :0x01: clear the 'shift' button. Typically sent as ``0x01 0x01 0x0E``. 1 |
| 163 argument; 0x0E to clear the 'shift' flag. Other values unknown. | 163 argument; 0x0E to clear the 'shift' flag. Other values unknown. Probably |
| 164 the bit position of the flag to clear. | |
| 164 | 165 |
| 165 :0x02: might be a reset or clear for the front panel (typically sent as | 166 :0x02: might be a reset or clear for the front panel (typically sent as |
| 166 ``0x02 0x01 0x0C`` packet). 1 argument; unknown. | 167 ``0x02 0x01 0x0C`` packet). 1 argument; unknown. |
| 167 | 168 |
| 168 :0x86: shutdown. 0 argument. | 169 :0x86: shutdown. 0 argument. |
| 221 | 222 |
| 222 { signal: [ | 223 { signal: [ |
| 223 {name: "bit", wave: "z========z", | 224 {name: "bit", wave: "z========z", |
| 224 data: ["7", "6", "5", "4", "3", "2", "1", "0"]}, | 225 data: ["7", "6", "5", "4", "3", "2", "1", "0"]}, |
| 225 | 226 |
| 226 {name: "F1", wave: "z=3333333z", | 227 {name: "F1", wave: "z33333333z", |
| 227 data: ["Al. frame", "HI", "Alarm", "LO", "Channel", "Ch. frame", "Mx+B", "<Bell>"]}, | 228 data: ["1", "2", "Alarm", "3", "Channel", "Ch. frame", "Mx+B", "<Bell>"]}, |
| 228 {name: "F2", wave: "z===33333z", | 229 {name: "F2", wave: "z33333333z", |
| 229 data: ["AVG", "", "OC", "4W", "1", "3", "4", "2"]}, | 230 data: ["AVG", "SHIFT", "OC", "4W", "Al. frame", "L", "4", "H"]}, |
| 230 {name: "F3", wave: "z========z", | 231 {name: "F3", wave: "z333=3333z", |
| 231 data: ["ERROR", "EXT", "ONCE", "", "MEM", "LAST", "MIN", "MAX"]}, | 232 data: ["ERROR", "EXT", "ONCE", "", "MEM", "LAST", "MIN", "MAX"]}, |
| 232 {name: "F4", wave: "z=3=333==z", | 233 {name: "F4", wave: "z=3333333z", |
| 233 data: ["", "CONFIG", "SCAN", "MON", "VIEW", "*", "ADRS", "REMOTE"]}, | 234 data: ["", "CONFIG", "SCAN", "MON", "VIEW", "*", "ADRS", "REMOTE"]}, |
| 234 ], | 235 ], |
| 235 config: { hscale: 2 }, | 236 config: { hscale: 2 }, |
| 236 } | 237 } |
| 237 | 238 |
