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Fix: early exit in connecting with the bootloader #133

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Fix: early exit in connecting with the bootloader #133

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8 changes: 6 additions & 2 deletions tockloader-lib/src/bootloader_serial.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -162,9 +162,13 @@ pub async fn ping_bootloader_and_wait_for_response(
) -> Result<(), TockloaderError> {
let ping_pkt = [ESCAPE_CHAR, Command::Ping as u8];

for _ in 0..30 {
for attempt in 0..30 {
eprintln!("attempt {}", attempt); // Debug purposes
write_bytes(port, &ping_pkt, DEFAULT_TIMEOUT).await?;
let ret = read_bytes(port, 2, DEFAULT_TIMEOUT).await?;
let ret = match read_bytes(port, 2, DEFAULT_TIMEOUT).await {
Ok(buf) => buf,
Err(_) => continue,
};

if ret[1] == Response::Pong as u8 {
return Ok(());
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