correct cdc host app

2022-12-21 12:25:13 +07:00
parent 22b62f8712
commit badb30a6c3
2 changed files with 13 additions and 7 deletions
--- a/src/class/cdc/cdc_host.c
+++ b/src/class/cdc/cdc_host.c
@@ -459,7 +459,8 @@ bool cdch_xfer_cb(uint8_t daddr, uint8_t ep_addr, xfer_result_t event, uint32_t
  }
  else if ( ep_addr == p_cdc->stream.rx.ep_addr )
  {
-    tu_edpt_stream_read_xfer_complete(&p_cdc->stream.rx, xferred_bytes);
+    // skip if ZLP
+    if (xferred_bytes) tu_edpt_stream_read_xfer_complete(&p_cdc->stream.rx, xferred_bytes);

    // invoke receive callback