Mercurial > hp34970-firmware / file revision
notes.rst@d193c24a078a
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
Probing ======= Serial probe with dslogic in serialdata/ read-sr: Decode the raw capture (34970-long-session.sr) and display the protocol serialdata$ cat read-sr | sh 00007553 [+0.01] >>> CHANNEL 203 00007573 [+0.02] >>> DISPLAY MUX OPEN 00007581 [+0.01] >>> CHANNEL 203 00007589 [+0.01] <<< KNOB Knob left 00007640 [+0.05] <<< KNOB Knob left 00007645 [+0.01] >>> DISPLAY MUX OPEN 00007654 [+0.01] >>> CHANNEL 202 00007674 [+0.02] >>> DISPLAY MUX OPEN 00007682 [+0.01] >>> CHANNEL 202 00007697 [+0.02] <<< KNOB Knob left 00007745 [+0.05] <<< KNOB Knob left 00007750 [+0.01] >>> DISPLAY MUX OPEN 00007759 [+0.01] >>> CHANNEL 201 read-sd-continuous: Should read continuously the data stream from the dslogic... Protocol ======== > = cpu -> dsp < = dsp -> cpu 0x80 -> right 0x81 -> left shitf + key -> bit 5 key release -> bit 6 End of shift packet: >66 <99 >01 <00 >01 <00 >0E <00 >55 init -> <33 >CC <02 >00 <00 >00 <55 + shift -> <33 >CC <02 >00 <FF >00 <0C >00 <55 + scan -> <33 >CC <02 >00 <FF >00 <03 >00 <55 shutdown -> cpu -> cmd 0x86 + 0x55 ad libidum ie >66 <99 >86 <00 >55 >55 >55 ... commands: 0x00 -> display text >66 <99 >00 <00 >nn <00 >c1 <00 ... >cn <00 >55 0x0A -> flags >66 <99 >0A <00 >04 <00 >f0 <00 >f1 <00 >f2 <00 >f3 <00 >55 0x0C -> display channels 0x02 -> ??? >02 <?? >01 <?? flags f1 b7 -> alarm frame F4 b1 -> SCAN once + scan -> 0C > 00 > 20 > 20 view + last + min + max + avg -> 0A: 0C / 80 / 07 / 08 08: 01 / 0F view + last + min + max + avg* 0A: 0C / 80 / 07 / 08 09: 01 / 0F view + last + min + max* + avg 08: 01 0F 09: 01 10 view + last + min* + max + avg (DATE) 08: 01 / 10 09: 01 / 11 view + last + min* + max + avg (DIN) 08: 01 / 11 09: 01 / 11 last* + min + max + avg (DIN) DIN 08 01 12 09 01 12 DATE 08 01 12 09 01 12 08 -> low bright 09 -> hi bright sortie du mode "view" on a a la suite: 09 01 12 09 01 11 09 01 10 09 01 0F on a aussi un paquet 02 01 0C (clear?) Mode VIEW pour DIN ================== quand on rentre en mode "view": - 02 01 99 (?) - 0A / 0C 00 00 00 - 0A / 0C 00 00 08 - text READINGS puis View (Readings) - 0A / 0C 00 00 08 - channel - 0A / 0C 00 00 08 - 0A / 0C 00 00 08 - 09 / 01 12 (LAST en hi bright) - 0A / 0C 80 07 08 - 08 / 01 11 - 08 / 01 10 - 08 / 01 0F - text (value) puis -> - 08 / 01 12 - 09 / 01 12 - textes PCB === 18.3 x 7.8
