Diff: main.cpp

Revision:

0:0b271f6ca9be

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Tue Jul 31 18:17:05 2018 +0000
@@ -0,0 +1,32 @@
+#include "mbed.h"
+ 
+// Change Chirp! Address - default starts with 0x20
+
+I2C i2c(P3_4, P3_5);
+
+int addr = 0x20;
+int addr8 = addr << 1;
+
+int main() {
+    char cmd[2];
+    wait(30.0);     // give user time to connect to serial port
+
+    cmd[0] = 0x01;  // change address command
+    cmd[1] = 0x21;  // new address
+    i2c.write(addr8, cmd, 2);
+        
+    // update address
+    // The above does successfully change the address, but 0x21 won't read until the device is reset
+    addr = 0x20;        // try 0x20 here, the device is still 0x20 and should read 0x21 from eeprom
+    addr8 = addr << 1;
+        
+    wait(2.0);
+        
+    cmd[0] = 0x02;      // read address from eeprom 
+    i2c.write(addr8, cmd, 1);
+    i2c.read(addr8, cmd, 1);
+ 
+    printf("New address read: %d",cmd[0]);       
+
+}
+