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Alex Janka 2022-09-03 12:48:09 +10:00
parent 3279207234
commit 40fec62a19
1 changed files with 7 additions and 4 deletions
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11
src/main.rs
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@ -91,16 +91,19 @@ fn main() {
let parity = 'N'; let parity = 'N';
let data_bit = 8; let data_bit = 8;
let stop_bit = 2; let stop_bit = 2;
println!("Connecting to device on {}", args.serial_port);
let mut modbus = Modbus::new_rtu(&args.serial_port, baud, parity, data_bit, stop_bit) let mut modbus = Modbus::new_rtu(&args.serial_port, baud, parity, data_bit, stop_bit)
.expect("could not create modbus device"); .expect("Could not create modbus device");
modbus modbus
.set_slave(DEVICE_ID) .set_slave(DEVICE_ID)
.expect("could not set client device"); .expect("Could not set client device");
modbus.connect().expect("could not connect"); modbus
.connect()
.expect("Could not connect to client device");
let mut data: [u16; 5] = [0; 5]; let mut data: [u16; 5] = [0; 5];
modbus modbus
.read_registers(0x0000, 5, &mut data) .read_registers(0x0000, 5, &mut data)
.expect("couldnt read registers"); .expect("Could not read registers");
println!("voltage scaling (whole term): {}", get_floating(data[0])); println!("voltage scaling (whole term): {}", get_floating(data[0]));
println!( println!(
"voltage scaling (fractional term): {}", "voltage scaling (fractional term): {}",