From 347dfd60a47beefb6dc88e760f2cfd9f05d4b19c Mon Sep 17 00:00:00 2001
From: Ingo Haschler <dev@itih.de>
Date: Fri, 22 Oct 2021 16:05:43 +0200
Subject: [PATCH 1/2] Fix missing definition for min() and max() on esp32

---
 src/util/inv_mpu.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/util/inv_mpu.c b/src/util/inv_mpu.c
index 0410390..5e3ee55 100644
--- a/src/util/inv_mpu.c
+++ b/src/util/inv_mpu.c
@@ -1,4 +1,4 @@
-/*
+*
  $License:
     Copyright (C) 2011-2012 InvenSense Corporation, All Rights Reserved.
     See included License.txt for License information.
@@ -94,6 +94,14 @@ static inline int reg_int_cb(struct int_param_s *int_param)
 
 //static int set_int_enable(unsigned char enable);
 
+// cf. https://github.com/NicHub/mpu9250-esp32
+#ifndef min
+#define min(X,Y) (((X) < (Y)) ? (X) : (Y))
+#endif
+#ifndef max
+#define max(X,Y) (((X) > (Y)) ? (X) : (Y))
+#endif
+
 /* Hardware registers needed by driver. */
 struct gyro_reg_s {
     unsigned char who_am_i;

From f791c7cb68164b08143700a169d745426159a3e3 Mon Sep 17 00:00:00 2001
From: Ingo Haschler <dev@itih.de>
Date: Sat, 30 Oct 2021 20:31:24 +0200
Subject: [PATCH 2/2] Typo :-/

---
 src/util/inv_mpu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/util/inv_mpu.c b/src/util/inv_mpu.c
index 5e3ee55..b6f25ee 100644
--- a/src/util/inv_mpu.c
+++ b/src/util/inv_mpu.c
@@ -1,4 +1,4 @@
-*
+/*
  $License:
     Copyright (C) 2011-2012 InvenSense Corporation, All Rights Reserved.
     See included License.txt for License information.