Diff: main.cpp

Revision:

0:1301fb16e306

Child:

1:6a79412e380e

diff -r 000000000000 -r 1301fb16e306 main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon May 04 09:03:32 2015 +0000
@@ -0,0 +1,40 @@
+// Original program found here: http://playground.arduino.cc/Main/I2cScanner
+// Modified by Domen Ornik, 4.5.2015
+
+#include "mbed.h"
+
+I2C i2c(I2C_SDA , I2C_SCL ); 
+
+int main() {
+    printf("\nI2C Scanner");
+    
+    while(1) {
+        int error, address;
+        int nDevices;
+      
+        printf("Scanning...\n");
+        
+         nDevices = 0;
+         
+          for(address = 1; address < 127; address++ ) 
+          {
+            i2c.start();
+            error = i2c.write(address << 1); //We shift it left because mbed takes in 8 bit addreses
+            i2c.stop();
+            if (error == 1)
+            {
+              printf("I2C device found at address 0x%X", address); //Returns 7-bit addres
+              nDevices++;
+            }
+
+          }
+          if (nDevices == 0)
+            printf("No I2C devices found\n");
+          else
+            printf("\ndone\n");
+        
+          wait(5);           // wait 5 seconds for next scan
+          
+            }
+        }
+    
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