upconn fw: add big endian doc

2024-09-06 15:32:05 +08:00 · 2024-09-06 15:32:05 +08:00 · 7dbeefd0a4
parent fa674e32f5
commit 7dbeefd0a4
1 changed files with 1 additions and 0 deletions
--- a/src/libboard_artiq/src/cxp_upconn.rs
+++ b/src/libboard_artiq/src/cxp_upconn.rs
@ -75,6 +75,7 @@ pub enum Packet {
 impl Packet {
    pub fn write_to<W>(&self, writer: &mut W) -> Result<(), Error>
    where W: Write {
+        // CoaXpress use big endian
        match self {
            Packet::ControlU32Reg(cmd) => match cmd {
                Command::Read { addr } => {