Add debug logging to overflow/error paths, fix pipeline=2 drop

2026-04-11 09:48:25 +09:00
parent f7baf60249
commit aa349e1a36
5 changed files with 24 additions and 11 deletions
--- a/firmware/include/usb_cdc.h
+++ b/firmware/include/usb_cdc.h
@@ -8,9 +8,10 @@
 struct usb_cdc {
    ring_buffer<uint8_t, 8192> tx;

-    void send(std::span<const uint8_t> data) {
-        tx.push(data);
+    bool send(std::span<const uint8_t> data) {
+        if (!tx.push(data)) return false;
        drain();
+        return true;
    }

    void send(const std::vector<uint8_t>& data) {