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esp-idf/components/freemodbus
History
aleks 6932b4d1c0 freemodbus: add comments for limitation in current version of freemodbus
2020-06-08 08:39:49 +02:00
..
common uart: multichip support 2019-06-20 11:32:22 +08:00
modbus Rename Kconfig options (components/freemodbus) 2019-05-21 09:09:01 +02:00
port uart: multichip support 2019-06-20 11:32:22 +08:00
serial_master uart: multichip support 2019-06-20 11:32:22 +08:00
serial_slave uart: multichip support 2019-06-20 11:32:22 +08:00
CMakeLists.txt cmake: some formatting fixes 2019-06-21 19:53:29 +08:00
component.mk freemodbus: Fix bug with incorrect coils read mask 2019-04-16 10:21:20 +02:00
Kconfig Rename Kconfig options (components/freemodbus) 2019-05-21 09:09:01 +02:00
README.rst freemodbus: add comments for limitation in current version of freemodbus 2020-06-08 08:39:49 +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.