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The transfer of the frame is done primitively, for the serial device will not do !!! We need to introduce something like HDLC.
edbek updated
6 years ago
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During the golden age of Packet Radio the radio interface consisted of a modem connected to a Z80-SIO, as in [TNC2](https://www.qsl.net/yt2fsg/old.html), or the same type of modem connected to a Z8530…
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`tx data format.
0x7e
0xaa
0x33
0xff
0x0
0x55
0xf
0xc0
0x7e
`
`
rx data.
0xaa
0x33
0xff
0x0
0x55`
Hello , I did a little change to the code to transmit hex data.
This already work…
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When I send Signaling channels to HDLC library, it returns HDLC Frame is Ok but the `s->buffer` which should have the HDLC frame gives segmentation fault whenever I try to access it in the` frame_hand…
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The default timeout is 10 seconds, but it will wait forever
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Hi!
Recently purchased a SlimmeLezer+ v1.2 for my Aidon 6534 electricity meter.
Using the [sample config](https://github.com/psvanstrom/esphome-p1reader/blob/main/samples/slimmelezer.yaml) for th…
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## Version of the custom_component
## Configuration
![2022-10-07 23 19 13 homeassistant 10baa6edf38f](https://user-images.githubusercontent.com/8419472/194656221-70ca2f2e-4391-4f64-b564-42a377…
Dead2 updated
1 month ago
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Here are the problems I stumbled into, trying to implement a real world example: HDLC.
For those who need a refresher what HDLC is, see [Wikipedia](https://en.wikipedia.org/wiki/High-Level_Data_Link_…
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For my application I need to switch between a public and management client and something strange happens when I do.
Here is part of my code:
```python
class task:
def connectM():
ser …
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Smartmeter-datacollector shows warnings (smartmeter:Failed to extract data from HDLC frame: 'Invalid Command.' Some data got lost.) , then after a few minutes or hours (irregular intervals) an error (…