Mercurial > hp34970-firmware / annotate
notes.rst@d193c24a078a (annotated)
notes.rst
Mon, 11 Mar 2024 15:35:36 +0100
- author
- David Douard <david.douard@sdf3.org>
- date
- Mon, 11 Mar 2024 15:35:36 +0100
- changeset 71
- d193c24a078a
- parent 26
- 86f099bda525
- permissions
- -rw-r--r--
Add links to sr.ht repos and add an image in the README file
| 26 | 1 | Probing |
| 2 | ======= | |
| 3 | ||
| 4 | Serial probe with dslogic in serialdata/ | |
| 5 | ||
| 6 | read-sr: Decode the raw capture (34970-long-session.sr) and display the protocol | |
| 7 | ||
| 8 | serialdata$ cat read-sr | sh | |
| 9 | ||
| 10 | 00007553 [+0.01] >>> CHANNEL 203 | |
| 11 | 00007573 [+0.02] >>> DISPLAY MUX OPEN | |
| 12 | 00007581 [+0.01] >>> CHANNEL 203 | |
| 13 | 00007589 [+0.01] <<< KNOB Knob left | |
| 14 | 00007640 [+0.05] <<< KNOB Knob left | |
| 15 | 00007645 [+0.01] >>> DISPLAY MUX OPEN | |
| 16 | 00007654 [+0.01] >>> CHANNEL 202 | |
| 17 | 00007674 [+0.02] >>> DISPLAY MUX OPEN | |
| 18 | 00007682 [+0.01] >>> CHANNEL 202 | |
| 19 | 00007697 [+0.02] <<< KNOB Knob left | |
| 20 | 00007745 [+0.05] <<< KNOB Knob left | |
| 21 | 00007750 [+0.01] >>> DISPLAY MUX OPEN | |
| 22 | 00007759 [+0.01] >>> CHANNEL 201 | |
| 23 | ||
| 24 | read-sd-continuous: Should read continuously the data stream from the dslogic... | |
| 25 | ||
| 26 | ||
| 27 | Protocol | |
| 28 | ======== | |
| 29 | ||
| 30 | > = cpu -> dsp | |
| 31 | < = dsp -> cpu | |
| 32 | ||
| 33 | 0x80 -> right | |
| 34 | 0x81 -> left | |
| 35 | ||
| 36 | shitf + key -> bit 5 | |
| 37 | key release -> bit 6 | |
| 38 | ||
| 39 | End of shift packet: | |
| 40 | >66 <99 >01 <00 >01 <00 >0E <00 >55 | |
| 41 | ||
| 42 | ||
| 43 | init -> <33 >CC <02 >00 <00 >00 <55 | |
| 44 | + shift -> <33 >CC <02 >00 <FF >00 <0C >00 <55 | |
| 45 | + scan -> <33 >CC <02 >00 <FF >00 <03 >00 <55 | |
| 46 | ||
| 47 | shutdown -> | |
| 48 | cpu -> cmd 0x86 + 0x55 ad libidum | |
| 49 | ie >66 <99 >86 <00 >55 >55 >55 ... | |
| 50 | ||
| 51 | commands: | |
| 52 | ||
| 53 | 0x00 -> display text | |
| 54 | >66 <99 >00 <00 >nn <00 >c1 <00 ... >cn <00 >55 | |
| 55 | 0x0A -> flags | |
| 56 | >66 <99 >0A <00 >04 <00 >f0 <00 >f1 <00 >f2 <00 >f3 <00 >55 | |
| 57 | 0x0C -> display channels | |
| 58 | ||
| 59 | 0x02 -> ??? | |
| 60 | >02 <?? >01 <?? | |
| 61 | ||
| 62 | ||
| 63 | ||
| 64 | ||
| 65 | ||
| 66 | flags | |
| 67 | ||
| 68 | f1 b7 -> alarm frame | |
| 69 | F4 b1 -> SCAN | |
| 70 | ||
| 71 | ||
| 72 | once + scan -> 0C > 00 > 20 > 20 | |
| 73 | ||
| 74 | view + last + min + max + avg -> | |
| 75 | 0A: 0C / 80 / 07 / 08 | |
| 76 | 08: 01 / 0F | |
| 77 | ||
| 78 | ||
| 79 | view + last + min + max + avg* | |
| 80 | 0A: 0C / 80 / 07 / 08 | |
| 81 | 09: 01 / 0F | |
| 82 | ||
| 83 | view + last + min + max* + avg | |
| 84 | 08: 01 0F | |
| 85 | 09: 01 10 | |
| 86 | ||
| 87 | ||
| 88 | view + last + min* + max + avg (DATE) | |
| 89 | 08: 01 / 10 | |
| 90 | 09: 01 / 11 | |
| 91 | view + last + min* + max + avg (DIN) | |
| 92 | 08: 01 / 11 | |
| 93 | 09: 01 / 11 | |
| 94 | ||
| 95 | last* + min + max + avg (DIN) | |
| 96 | DIN | |
| 97 | 08 01 12 | |
| 98 | 09 01 12 | |
| 99 | DATE | |
| 100 | 08 01 12 | |
| 101 | 09 01 12 | |
| 102 | ||
| 103 | 08 -> low bright | |
| 104 | 09 -> hi bright | |
| 105 | ||
| 106 | sortie du mode "view" on a a la suite: | |
| 107 | 09 01 12 | |
| 108 | 09 01 11 | |
| 109 | 09 01 10 | |
| 110 | 09 01 0F | |
| 111 | ||
| 112 | on a aussi un paquet 02 01 0C (clear?) | |
| 113 | ||
| 114 | ||
| 115 | ||
| 116 | Mode VIEW pour DIN | |
| 117 | ================== | |
| 118 | ||
| 119 | quand on rentre en mode "view": | |
| 120 | ||
| 121 | - 02 01 99 (?) | |
| 122 | - 0A / 0C 00 00 00 | |
| 123 | - 0A / 0C 00 00 08 | |
| 124 | - text READINGS | |
| 125 | ||
| 126 | puis View (Readings) | |
| 127 | ||
| 128 | - 0A / 0C 00 00 08 | |
| 129 | - channel | |
| 130 | - 0A / 0C 00 00 08 | |
| 131 | - 0A / 0C 00 00 08 | |
| 132 | - 09 / 01 12 (LAST en hi bright) | |
| 133 | - 0A / 0C 80 07 08 | |
| 134 | - 08 / 01 11 | |
| 135 | - 08 / 01 10 | |
| 136 | - 08 / 01 0F | |
| 137 | - text (value) | |
| 138 | ||
| 139 | puis -> | |
| 140 | ||
| 141 | - 08 / 01 12 | |
| 142 | - 09 / 01 12 | |
| 143 | - textes | |
| 144 | ||
| 145 | ||
| 146 | PCB | |
| 147 | === | |
| 148 | ||
| 149 | 18.3 x 7.8 |
