From 4689354964e8ee25bade359044387ec61fa8a626 Mon Sep 17 00:00:00 2001
From: Hendrik Langer <hendrik+dev@xd0.de>
Date: Wed, 7 Feb 2018 16:57:11 +0100
Subject: [PATCH] retry bme

---
 src/BME280.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/BME280.cpp b/src/BME280.cpp
index ce2b136..0b4f556 100644
--- a/src/BME280.cpp
+++ b/src/BME280.cpp
@@ -15,11 +15,15 @@ bool BME280::begin(void) {
   digitalWrite(23, HIGH);  // enable bme280 CS
   delay(50);
   bme = new Adafruit_BME280(BME_CS, BME_MOSI, BME_MISO, BME_SCK); // software SPI
+  int retries = 0;
   while (!(status = bme->begin())) {
+    if (retries > 5) break;
+    retries++;
     Serial.println("Could not find a valid BME280 sensor, check wiring!");
 //    bme->reset();
     delay(500);
   }
+  if (!status) return false;
   return true;
 }