Alex Lisitsyn 6273cb8dfc Bugfix/fix modbus rs485 rts en fail v41 (backport v4.1) há 4 anos atrás
..
common dfc509d3e4 freemodbus: fix invalid error handling for duplicate param_key há 4 anos atrás
modbus 818b45654f freemodbuss: fix event processing after merge há 5 anos atrás
port 6273cb8dfc Bugfix/fix modbus rs485 rts en fail v41 (backport v4.1) há 4 anos atrás
serial_master d199dc421d Merge branch 'bugfix/modbus_add_task_affinity_and_callbacks_v41' into 'release/v4.1' há 4 anos atrás
serial_slave 2512f394ca freemodbus: add affinity option for modbus stack tasks há 4 anos atrás
CMakeLists.txt 67f62a79c1 freemodbus: add modbus master ascii há 6 anos atrás
Kconfig 2512f394ca freemodbus: add affinity option for modbus stack tasks há 4 anos atrás
README.rst 4be2170250 freemodbus: add comments for limitation in current version of freemodbus há 5 anos atrás
component.mk 449d2a6367 freemodbus: Fix bug with incorrect coils read mask há 6 anos atrás
sdkconfig.rename 976d2a4b7f Rename Kconfig options (components/freemodbus) há 6 anos atrás

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.