From 51a6455ac0e68b66921ce2e7325f1492a7c45dbc Mon Sep 17 00:00:00 2001
From: Caio Marcelo de Oliveira Filho <caio.oliveira@intel.com>
Date: Fri, 20 Nov 2015 12:15:30 +0900
Subject: [PATCH] Filter: use millis/micros/panic functions

---
 libraries/Filter/examples/Derivative/Derivative.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libraries/Filter/examples/Derivative/Derivative.cpp b/libraries/Filter/examples/Derivative/Derivative.cpp
index ba6b1f6727..962e9fc222 100644
--- a/libraries/Filter/examples/Derivative/Derivative.cpp
+++ b/libraries/Filter/examples/Derivative/Derivative.cpp
@@ -22,10 +22,10 @@ static float noise(void)
 void loop()
 {
     hal.scheduler->delay(50);
-    float t = hal.scheduler->millis()*1.0e-3f;
+    float t = AP_HAL::millis()*1.0e-3f;
     float s = sinf(t);
     //s += noise();
-    uint32_t t1 = hal.scheduler->micros();
+    uint32_t t1 = AP_HAL::micros();
     derivative.update(s, t1);
     float output = derivative.slope() * 1.0e6f;
     hal.console->printf("%f %f %f %f\n", t, output, s, cosf(t));