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inalejoseb/Modbus-STM32-HAL-FreeRTOS (press backspace or delete to remove)I want to use a STM32F765 with [ISOW1432 ](https://www.ti.com/lit/ds/symlink/isow1432.pdf?ts=1737449636729
ref_url=https%253A%252F%252Fwww.ti.com%252Fproduct%252Fde-de%252FISOW1432) to communicate with ...
NieLuc
- 7
- Opened 21 days ago
- #122
The work done here looks interesting and useful as I need a master and slave on one MCU.
That said I m struggling to find any documentation.
Is any available?
How do you setup registers and coils in ...
JimN555
- 3
- Opened 24 days ago
- #121
In validateRequest
the ValidateRequest function, which returns the type uint8_t, returns the value (ERR_BAD_CRC = -4) . Which in turn will
result in a value of 252.. Then the result of the ValidateRequest ...
wontfix
byOZN
- 1
- Opened on Feb 19
- #120
LuxiangxianghyDear Sir, i m trying to use your code libraries for modbus communication. as master the code is working as per
expectation.
However, when i m trying to use it for slave purpose i m facing following issue: ...
help wanted
invalid
nirbhow
- 12
- Opened on Dec 18, 2024
- #118
In the function validateRequest, should this line (case MB_FC_WRITE_REGISTER) :-
if (u16AdRegs modH- u16regsize) return EXC_ADDR_RANGE;
actually use the = operator ?
e.g. you should only ...
alanbontoft
- 1
- Opened on Dec 3, 2024
- #117
With function 03, only 61 registers are read per 1 request, if more, then an error. The problem is
ModbusConfigTemplate.h line 27 #define MAX_BUFFER 128 // Maximum size for the communication buffer in ...
Andrew170285
- 1
- Opened on Nov 28, 2024
- #116
Hi!
I was able to implement modbus tcp master and slave on an STM32H745-Discovery board, which works perfectly fine.
What im having trouble with is, once the master loses the connection to the slave, ...
FebsterVF
- 3
- Opened on Oct 24, 2024
- #115
Heyo!
I have created a project that uses TouchGFX functionality for a Display, running on a STM32H745-Discovery board.
Modbus TCP Slave works just fine and can run simultaniously with the TouchGFX_Task. ...
- 1
- Opened on Oct 23, 2024
- #114
Hi
Can you confirm if there is an error in the comment? From the datasheet, low on DE puts transceiver in high impedance
state, so this should read return RS485 transceiver to receive mode ?
// return ...
- 1
- Opened on Sep 19, 2024
- #113
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