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esp-idf/components/freemodbus
History
Alex Lisitsyn 6273cb8dfc Bugfix/fix modbus rs485 rts en fail v41 (backport v4.1)
2022-03-03 01:44:06 +08:00
..
common freemodbus: fix invalid error handling for duplicate param_key 2021-08-13 10:40:25 +02:00
modbus freemodbuss: fix event processing after merge 2021-03-22 09:39:49 +00:00
port Bugfix/fix modbus rs485 rts en fail v41 (backport v4.1) 2022-03-03 01:44:06 +08:00
serial_master Merge branch 'bugfix/modbus_add_task_affinity_and_callbacks_v41' into 'release/v4.1' 2022-02-07 09:44:38 +00:00
serial_slave freemodbus: add affinity option for modbus stack tasks 2021-07-28 08:37:20 +02:00
CMakeLists.txt freemodbus: add modbus master ascii 2019-11-26 13:16:25 +08:00
component.mk freemodbus: Fix bug with incorrect coils read mask 2019-04-16 10:21:20 +02:00
Kconfig freemodbus: add affinity option for modbus stack tasks 2021-07-28 08:37:20 +02:00
README.rst freemodbus: add comments for limitation in current version of freemodbus 2020-06-04 09:46:04 +02:00
sdkconfig.rename Rename Kconfig options (components/freemodbus) 2019-05-21 09:09:01 +02:00

README.rst 

# Modbus assumptions, dependencies and constraints

1. Current implementation of Modbus has limitation: maximum frame size should be less than 120 bytes (default UART receive FIFO full threshold value).
This limitation is removed in ESP-IDF v4.2.

2. The only one instance of Modbus port can be initialized at the same time.