From 14e5931da9cef62a0ad3efbd8ef4bb808cc7e1e8 Mon Sep 17 00:00:00 2001
From: Firmware Batman <firmware@comma.ai>
Date: Thu, 27 Apr 2017 11:32:14 -0700
Subject: [PATCH] interrupt endpoint works

---
 boardesp/proxy.c         | 11 ++++++++---
 tests/standalone_test.py | 10 ++++++++++
 2 files changed, 18 insertions(+), 3 deletions(-)

diff --git a/boardesp/proxy.c b/boardesp/proxy.c
index 5efc9859..099b9f66 100644
--- a/boardesp/proxy.c
+++ b/boardesp/proxy.c
@@ -117,18 +117,23 @@ void ICACHE_FLASH_ATTR some_timerfunc(void *arg) {
   }
 
   if (i != 0) {
-    espconn_send(&tcp_conn, buf, i*0x10);
+    espconn_send(&inter_conn, buf, i*0x10);
   }
 }
 
+volatile int timer_started = 0;
+
 void ICACHE_FLASH_ATTR inter_connect_cb(void *arg) {
   struct espconn *conn = (struct espconn *)arg;
   espconn_set_opt(&tcp_conn, ESPCONN_NODELAY);
 
   // setup timer at 200hz
   // TODO: disable when it runs out
-  os_timer_setfn(&some_timer, (os_timer_func_t *)some_timerfunc, NULL);
-  os_timer_arm(&some_timer, 5, 1);
+  if (!timer_started) {
+    os_timer_setfn(&some_timer, (os_timer_func_t *)some_timerfunc, NULL);
+    os_timer_arm(&some_timer, 5, 1);
+    timer_started = 1;
+  }
 }
 
 void ICACHE_FLASH_ATTR wifi_init() {
diff --git a/tests/standalone_test.py b/tests/standalone_test.py
index 23ac346f..16d9ca1e 100755
--- a/tests/standalone_test.py
+++ b/tests/standalone_test.py
@@ -1,6 +1,7 @@
 #!/usr/bin/env python
 import os
 from panda.lib.panda import Panda
+import time
 
 if __name__ == "__main__":
   if os.getenv("WIFI") is not None:
@@ -9,3 +10,12 @@ if __name__ == "__main__":
     p = Panda()
   print p.health()
 
+  while 1:
+    # flood
+    p.can_send(0xaa, "\xaa"*8, 0)
+    p.can_send(0xaa, "\xaa"*8, 1)
+    p.can_send(0xaa, "\xaa"*8, 4)
+    time.sleep(0.01)
+
+    print p.can_recv()
+