From 1431f91281dbe31f6327aea58df7bf3c3da259f6 Mon Sep 17 00:00:00 2001
From: Pol Henarejos <pol.henarejos@cttc.es>
Date: Wed, 11 Dec 2024 22:36:24 +0100
Subject: [PATCH] In pure U2F mode, no keepalive is sent by authenticator.
 Instead, client sends commands to know the status.

Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
---
 src/usb/hid/hid.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/usb/hid/hid.c b/src/usb/hid/hid.c
index 15356d0..878a472 100644
--- a/src/usb/hid/hid.c
+++ b/src/usb/hid/hid.c
@@ -538,6 +538,9 @@ int driver_process_usb_packet_hid(uint16_t read) {
 }
 
 void send_keepalive() {
+    if (thread_type == 1) {
+        return;
+    }
     CTAPHID_FRAME *resp = (CTAPHID_FRAME *) (hid_tx[ITF_HID_CTAP].buffer + sizeof(hid_tx[ITF_HID_CTAP].buffer) - 64);
     //memset(ctap_resp, 0, sizeof(CTAPHID_FRAME));
     resp->cid = ctap_req->cid;