Mercurial > hp34970-firmware / annotate
serialdata/ref/README@7b4735e9c2c1 (annotated)
serialdata/ref/README
Thu, 07 Oct 2021 22:26:33 +0200
- author
- David Douard <david.douard@sdfa3.org>
- date
- Thu, 07 Oct 2021 22:26:33 +0200
- changeset 70
- 7b4735e9c2c1
- parent 43
- c850674a3101
- permissions
- -rw-r--r--
Make sure to send pending keys
even if the FP is flood by the CPU: hijack the started transmission
(just after receiving a SoT (0x66) datagram).
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43
c850674a3101
Add a series of reference serial data sessions from a working 34970A unit.
David Douard <david.douard@sdf3.org>
parents:
diff
changeset
|
1 | Sessions of UART capture of the reference HP34970A unit. |
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c850674a3101
Add a series of reference serial data sessions from a working 34970A unit.
David Douard <david.douard@sdf3.org>
parents:
diff
changeset
|
2 | |
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c850674a3101
Add a series of reference serial data sessions from a working 34970A unit.
David Douard <david.douard@sdf3.org>
parents:
diff
changeset
|
3 | In these capture frames: |
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c850674a3101
Add a series of reference serial data sessions from a working 34970A unit.
David Douard <david.douard@sdf3.org>
parents:
diff
changeset
|
4 | - RX: FP -> CPU |
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c850674a3101
Add a series of reference serial data sessions from a working 34970A unit.
David Douard <david.douard@sdf3.org>
parents:
diff
changeset
|
5 | - TX: CPU -> FP |
|
c850674a3101
Add a series of reference serial data sessions from a working 34970A unit.
David Douard <david.douard@sdf3.org>
parents:
diff
changeset
|
6 | |
|
c850674a3101
Add a series of reference serial data sessions from a working 34970A unit.
David Douard <david.douard@sdf3.org>
parents:
diff
changeset
|
7 | Example extraction of data: |
|
c850674a3101
Add a series of reference serial data sessions from a working 34970A unit.
David Douard <david.douard@sdf3.org>
parents:
diff
changeset
|
8 | |
|
c850674a3101
Add a series of reference serial data sessions from a working 34970A unit.
David Douard <david.douard@sdf3.org>
parents:
diff
changeset
|
9 | sigrok-cli -i startup-no-key -P uart:baudrate=187500:parity=even:rx=RX:tx=TX \ |
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c850674a3101
Add a series of reference serial data sessions from a working 34970A unit.
David Douard <david.douard@sdf3.org>
parents:
diff
changeset
|
10 | --channels RX,TX -A uart=rx-data:tx-data:rx-start |
|
c850674a3101
Add a series of reference serial data sessions from a working 34970A unit.
David Douard <david.douard@sdf3.org>
parents:
diff
changeset
|
11 | |
|
c850674a3101
Add a series of reference serial data sessions from a working 34970A unit.
David Douard <david.douard@sdf3.org>
parents:
diff
changeset
|
12 | Start-bit: following code is a RX, so generated by the FP. |
|
c850674a3101
Add a series of reference serial data sessions from a working 34970A unit.
David Douard <david.douard@sdf3.org>
parents:
diff
changeset
|
13 |
