Diff: main.cpp

Revision:

2:39ba9beabf3c

Parent:

1:1cdd12a4efb2

Child:

3:42120705a9bd

--- a/main.cpp	Mon Oct 10 21:28:26 2016 +0000
+++ b/main.cpp	Wed Nov 09 01:31:22 2016 +0000
@@ -6,20 +6,28 @@
 //  - for every device if finds, it prints the 8-bit address
 //  - if the program hangs, the bus isn't working (check pull-ups etc)
 //  - if it doesn't find your device, check power/bus wiring etc
- 
+
 #include "mbed.h"
 
 I2C i2c(I2C_SDA, I2C_SCL); // sda, scl
+Ticker repeatTicker;
 
-int main() {
+void repeat()
+{
     printf("I2CU! Searching for I2C devices...\n");
 
     int count = 0;
     for (int address=0; address<256; address+=2) {
-        if (!i2c.write(address, NULL, 0)) { // 0 returned is ok
+        bool temp = i2c.write(address, NULL, 0); // 0 if successful, otherwise non-zero
+        if (!temp && (address >> 1) != 0) { // not interested in address 0
             printf(" - I2C device found at address 0x%02X\n", address >> 1);
             count++;
         }
     }
-    printf("%d devices found\n", count);
+    printf("%d device(s) found\n", count);
 }
+
+int main()
+{
+    repeatTicker.attach(&repeat, 2.0);
+}
\ No newline at end of file