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fb0c3e8016
esp-idf/components/freemodbus
History
Michael (XIAO Xufeng) fb0c3e8016 Merge branch 'bugfix/fix_modbus_rs485_rts_en_fail_v40' into 'release/v4.0' 
Bugfix/fix modbus rs485 rts en fail (backport v4.0)

See merge request espressif/esp-idf!14472
2021-09-10 17:43:56 +00:00
..
common freemodbus: fix invalid error handling for duplicate param_key 2021-08-13 10:06:59 +02:00
modbus freemodbus: fix issues when modbus master and slave work simultaneously (backport v4.0) 2021-09-10 01:58:11 +08:00
port Merge branch 'bugfix/fix_modbus_rs485_rts_en_fail_v40' into 'release/v4.0' 2021-09-10 17:43:56 +00:00
serial_master Merge branch 'bugfix/modbus_fix_invalid_error_handling_for_duplicate_param_key_v40' into 'release/v4.0' 2021-09-09 18:00:38 +00:00
serial_slave freemodbus: fix issues when modbus master and slave work simultaneously (backport v4.0) 2021-09-10 01:58:11 +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 freemodbus: fix issues when modbus master and slave work simultaneously (backport v4.0) 2021-09-10 01:58:11 +08:00
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.