Aaron Allar / BME280

for STM32L476RG

Fork of BME280 by Toyomasa Watarai

Files at this revision

API Documentation at this revision

Revision 6:a9bb4ca073b2, committed 2017-06-01

Comitter:
Allar
Date:
Thu Jun 01 08:04:13 2017 +0000
Parent:
5:c1f1647004c4
Commit message:
night;

Changed in this revision

BME280.cpp Show annotated file Show diff for this revision Revisions of this file
BME280.h Show annotated file Show diff for this revision Revisions of this file 
--- a/BME280.cpp	Sat Mar 11 04:21:14 2017 +0000
+++ b/BME280.cpp	Thu Jun 01 08:04:13 2017 +0000
@@ -55,7 +55,17 @@
     if (NULL != i2c_p)
         delete  i2c_p;
 }
-    
+bool BME280::verifyConnection(void) {
+    char cmd[1];
+    cmd[0] = 0xD0; //ID
+    i2c.write(address, cmd, 1);
+    i2c.read(address, cmd, 1);
+    uint8_t part_id = cmd[0];//ID
+    if (part_id == 0x60)
+        return true;
+    return false;
+}
+
 void BME280::initialize()
 {
     char cmd[18];

--- a/BME280.h	Sat Mar 11 04:21:14 2017 +0000
+++ b/BME280.h	Thu Jun 01 08:04:13 2017 +0000
@@ -111,6 +111,7 @@
      */
     void initialize(void);
 
+    bool verifyConnection(void);
     /** Read the current temperature value (degree Celsius) from BME280 sensor
      *
      */