INNER CODE UNIT · Rust

write_multiple_registers

slowtec/tokio-modbus · src/client/mod.rs:342

    async fn write_multiple_registers<'a>(
        &'a mut self,
        addr: Address,
        data: &[Word],
    ) -> Result<()> {
        let cnt = data.len();
        self.client
            .call(Request::WriteMultipleRegisters(addr, Cow::Borrowed(data)))
            .await
            .map(|result| {
                result.map(|response| match response {
                    Response::WriteMultipleRegisters(rsp_addr, rsp_cnt) => {
                        debug_assert_eq!(addr, rsp_addr);
                        debug_assert_eq!(cnt, rsp_cnt.into());
                    }
                    _ => unreachable!("call() should reject mismatching responses"),
                })
            })

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