From 194fd3678fa84a4ab43af57de21f71ff3afa3533 Mon Sep 17 00:00:00 2001
From: Pete Schwamb <pete@schwamb.net>
Date: Mon, 22 May 2017 17:45:10 -0500
Subject: [PATCH] Avoid linking to jostle detection code for boards that do not
 support it

---
 bsp/lesson_tracker.h | 1 +
 src/sensor.c         | 6 ++++++
 2 files changed, 7 insertions(+)

diff --git a/bsp/lesson_tracker.h b/bsp/lesson_tracker.h
index a5444d3..e5f7a26 100644
--- a/bsp/lesson_tracker.h
+++ b/bsp/lesson_tracker.h
@@ -8,6 +8,7 @@ extern "C" {
 #define SIMBLEE
 
 #define MMA8541
+#define JOSTLE_DETECT
 
 #define LEDS_NUMBER    0
 #define BUTTONS_NUMBER 0
diff --git a/src/sensor.c b/src/sensor.c
index 5cf2811..2c6d6b0 100644
--- a/src/sensor.c
+++ b/src/sensor.c
@@ -17,7 +17,10 @@ void sensor_init() {
 #ifdef ACCEL_ADXL337
   shoe_accel_init();
 #endif
+
+#ifdef JOSTLE_DETECT
   jostle_detect_init();
+#endif
 
   uint32_t error_code;
   error_code = rbc_mesh_value_enable(SENSOR_HANDLE);
@@ -34,10 +37,13 @@ void gather_sensor_data() {
   memset(&m_value, 0, sizeof(sensor_value_t));
   m_value.valid_time = get_clock_time();
   m_value.battery = get_battery_adc();
+
+#ifdef JOSTLE_DETECT
   if (jostle_detect_get_flag()) {
     m_value.status |= STATUS_FLAG_JOSTLE_DETECTED;
     jostle_detect_clear_flag();
   }
+#endif
 
 #ifdef ACCEL_ADXL337
   read_shoe_accel(&m_value.accel_x, &m_value.accel_y, &m_value.accel_z);