commit 78808e82371eb2a519b8b74127dd45a7f345f77e
Author: Alex Janka <alex@alexjanka.com>
Date:   Fri Sep 2 19:07:04 2022 +1000

    initial

diff --git a/.gitignore b/.gitignore
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diff --git a/Cargo.lock b/Cargo.lock
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..ed8c895
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,9 @@
+[package]
+name = "modbus-test"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+libmodbus-rs = "0.8.3"
\ No newline at end of file
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..4753e7c
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,18 @@
+use libmodbus_rs::{Modbus, ModbusRTU};
+
+const DEVICE_ID: u8 = 0x01;
+
+fn main() {
+    println!("Hello, world!");
+    let device = "/dev/ttyUSB0";
+    let baud = 9600;
+    let parity = 'N';
+    let data_bit = 8;
+    let stop_bit = 2;
+    let modbus = Modbus::new_rtu(device, baud, parity, data_bit, stop_bit)
+        .expect("could not create modbus device");
+    modbus
+        .set_slave(DEVICE_ID)
+        .expect("could not set client device");
+    modbus.connect().expect("could not connect");
+}