alex/esp-idf
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esp-idf/components/freemodbus
History
Alex Lisitsyn 538117a904 Bugfix/fix uart set rx timeout feature (backport v4.1)
2021-05-10 11:41:02 +08:00
..
common freemodbus: add modbus master ascii 2019-11-26 13:16:25 +08:00
modbus freemodbus: update poll event processing 2019-12-10 14:27:09 +08:00
port Bugfix/fix uart set rx timeout feature (backport v4.1) 2021-05-10 11:41:02 +08:00
serial_master freemodbus: fix mb controller parity propagation issues 2021-02-17 12:34:00 +01:00
serial_slave freemodbus: fix mb controller parity propagation issues 2021-02-17 12:34:00 +01:00
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 modbus master ascii 2019-11-26 13:16:25 +08:00
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.