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add modbus (not tested yet)

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Edward Emelianov
2024-09-19 17:32:05 +03:00
parent bdbd7d68d9
commit 22a205001a
22 changed files with 1030 additions and 118 deletions
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11
F1:F103/FX3U/Readme.md
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@@ -7,6 +7,9 @@ You can see pinout table in file `hardware.c`.
## Serial protocol (each string ends with '\n').
(TODO: add new)
```
commands format: parameter[number][=setter]
parameter [CAN idx] - help
@@ -49,11 +52,11 @@ Value in square brackets is CAN bus command code.
All data in little-endian format!
BIT - MEANING
BYTE - MEANING
0, 1 - (uint16_t) - command code (value in square brackets upper);
2 - (uint8_t) - parameter number (e.g. ADC channel or X/Y channel number), 0..127 [ORed with 0x80 for setter];
2 - (uint8_t) - parameter number (e.g. ADC channel or X/Y channel number), 0..126 [ORed with 0x80 for setter], 127 means "no parameter";
3 - (uint8_t) - error code (only when device answers for requests);
@@ -73,3 +76,7 @@ BIT - MEANING
5 - `ERR_CANTRUN` - can't run given command due to bad parameters or other reason.
## MODBUS-RTU protocol
(TODO)