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[modbus_controller] fix incorrect start address for number write (#3073)

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Martin 2022-01-19 21:19:24 +01:00 committed by Jesse Hills
parent 909a526967
commit 76a238912b
1 changed files with 4 additions and 2 deletions
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6
esphome/components/modbus_controller/number/modbus_number.cpp
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@ -57,9 +57,11 @@ void ModbusNumber::control(float value) {
// Create and send the write command // Create and send the write command
ModbusCommandItem write_cmd; ModbusCommandItem write_cmd;
if (this->register_count == 1 && !this->use_write_multiple_) { if (this->register_count == 1 && !this->use_write_multiple_) {
write_cmd = ModbusCommandItem::create_write_single_command(parent_, this->start_address + this->offset, data[0]); // since offset is in bytes and a register is 16 bits we get the start by adding offset/2
write_cmd =
ModbusCommandItem::create_write_single_command(parent_, this->start_address + this->offset / 2, data[0]);
} else { } else {
write_cmd = ModbusCommandItem::create_write_multiple_command(parent_, this->start_address + this->offset, write_cmd = ModbusCommandItem::create_write_multiple_command(parent_, this->start_address + this->offset / 2,
this->register_count, data); this->register_count, data);
} }
// publish new value // publish new value