Upstream/esphome
1
0
Fork 0
mirror of https://github.com/esphome/esphome.git synced 2024-11-22 11:47:30 +01:00
Code Issues Projects Releases Wiki Activity

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

Browse Source
This commit is contained in:
Martin 2022-01-19 21:19:24 +01:00 committed by GitHub
parent cb5f793ede
commit 434ab65c16
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 4 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
esphome/components/modbus_controller/number/modbus_number.cpp
View File

@ -57,9 +57,11 @@ void ModbusNumber::control(float value) {
// Create and send the write command
ModbusCommandItem write_cmd;
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 {
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);
}
// publish new value