use mbus_client_async::AsyncTcpClient;
#[tokio::main]
async fn main() -> Result<(), mbus_client_async::AsyncError> {
let client = AsyncTcpClient::new("127.0.0.1", 502)?;
client.connect().await?;
let _coils = client.read_multiple_coils(1, 0, 8).await?;
Ok(())
}