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[modbus] [modbus_controller] Fix server role read coil 0x1 crc (#8859)

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Co-authored-by: Stanley Pinchak <stanley.pinchak@gmail.com>
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gotnone 2025-05-29 00:12:58 -05:00 committed by GitHub
parent 455624105b
commit 0b1c5b825e
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1 changed files with 1 additions and 1 deletions
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esphome/components/modbus/modbus.cpp
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@ -90,7 +90,7 @@ bool Modbus::parse_modbus_byte_(uint8_t byte) {
} else { } else {
// data starts at 2 and length is 4 for read registers commands // data starts at 2 and length is 4 for read registers commands
if (this->role == ModbusRole::SERVER && (function_code == 0x3 || function_code == 0x4)) { if (this->role == ModbusRole::SERVER && (function_code == 0x1 || function_code == 0x3 || function_code == 0x4)) {
data_offset = 2; data_offset = 2;
data_len = 4; data_len = 4;
} }