Mercurial > hp34970-firmware / annotate
serialdata/ref/README@c850674a3101 (annotated)
serialdata/ref/README
Sun, 01 Nov 2020 22:16:33 +0100
- author
- David Douard <david.douard@sdf3.org>
- date
- Sun, 01 Nov 2020 22:16:33 +0100
- changeset 43
- c850674a3101
- permissions
- -rw-r--r--
Add a series of reference serial data sessions from a working 34970A unit.
These sessions do have a few glitches, however (random off by one bit,
probably due to a sampling freq a bit too low).
Comes with an adapted version of the uart_filter.py script to interpret the
communication protocol.
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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 |
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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
|
6 | |
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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
|
7 | Example extraction of data: |
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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
|
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 |
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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
|
11 | |
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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
|
12 | Start-bit: following code is a RX, so generated by the FP. |
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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
|
13 |
