Add simple uds read data by identifier example

examples/uds.rs

@@ -0,0 +1,44 @@
+//! UDS (unified diagnostic protocol) example for reading a data by identifer.
+//! Run the following server for testing.
+//! https://github.com/zombieCraig/uds-server
+
+use socketcan_isotp::{self, IsoTpSocket, StandardId};
+use std::sync::mpsc;
+
+fn main() -> Result<(), socketcan_isotp::Error> {
+ let (tx, rx) = mpsc::channel();
+
+ // Reader
+ let mut reader_tp_socket = IsoTpSocket::open(
+ "vcan0",
+ StandardId::new(0x7E8).expect("Invalid dst CAN ID"),
+ StandardId::new(0x77A).expect("Invalid src CAN ID"),
+ )?;
+ std::thread::spawn(move || loop {
+ let buffer = reader_tp_socket.read().expect("Failed to read from socket");
+ tx.send(buffer.to_vec()).expect("Receiver deallocated");
+ });
+
+ let tp_socket = IsoTpSocket::open(
+ "vcan0",
+ StandardId::new(0x77A).expect("Invalid src CAN ID"),
+ StandardId::new(0x7E0).expect("Invalid dst CAN ID"),
+ )?;
+
+ // 0x22 - Service Identifier for "Read data by identifier" request
+ // 0xF189 - Data identifer - VehicleManufacturerECUSoftwareVersionNumberDataIdentifier
+ tp_socket.write(&[0x22, 0xF1, 0x89])?;
+
+ println!("Sent read data by identifier 0xF189 - VehicleManufacturerECUSoftwareVersionNumberDataIdentifier");
+
+ loop {
+ let recv_buffer = rx.recv().expect("Failed to receive");
+ // 0x62 - Service Identifier for "Read data by identifier" response
+ // 0xF189 - Data identifer - VehicleManufacturerECUSoftwareVersionNumberDataIdentifier
+ if recv_buffer[0..=2] != [0x62, 0xF1, 0x89] {
+ println!("Skipping: {:X?}", recv_buffer);
+ } else {
+ println!("Response: {:X?}", &recv_buffer[3..]);
+ }
+ }
+}