Added test application for flashing

daemon/src/bin/trigger-dfu.rs

@@ -1,10 +1,16 @@
-use std::time::Duration;
+use std::{
+    io::{self, Seek},
+    thread,
+    time::{self, Duration},
+};
 
+use anyhow::Context;
+use dfu_libusb::{Dfu, DfuLibusb};
 use postcard::{from_bytes_cobs, to_stdvec_cobs};
 use radomctl_protocol::*;
 use radomctld::logger::setup_logger;
 
-pub fn main() -> () {
+pub fn main() -> anyhow::Result<()> {
     let mut port = serialport::new("/dev/ttyACM0", 115_200)
         .timeout(Duration::from_millis(10))
         .open()
@@ -13,4 +19,28 @@ pub fn main() -> () {
     let host_msg = HostMessage::TriggerDFUBootloader;
     let msg_bytes = to_stdvec_cobs(&host_msg).unwrap();
     port.write_all(&msg_bytes).unwrap();
+    drop(port);
+
+    let context = rusb::Context::new()?;
+    let mut file = std::fs::File::open("../../firmware/radomctl-firmware.bin")
+        .context("firmware file not found")?;
+
+    thread::sleep(time::Duration::from_millis(1000));
+
+    let file_size =
+        u32::try_from(file.seek(io::SeekFrom::End(0))?).context("the firmware file is too big")?;
+    file.seek(io::SeekFrom::Start(0))?;
+
+    let vid = 0x0483;
+    let pid = 0xdf11;
+    let intf = 0;
+    let alt = 0;
+    let mut device: Dfu<rusb::Context> =
+        DfuLibusb::open(&context, vid, pid, intf, alt).context("could not open device")?;
+
+    device
+        .download(file, file_size)
+        .context("could not write firmware to the device")?;
+
+    Ok(())
 }