Revision 0:ebb4c3fcf4a9, committed 2009-09-08

Comitter:

simon

Date:

Tue Sep 08 11:50:46 2009 +0000

Commit message:

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Tue Sep 08 11:50:46 2009 +0000
@@ -0,0 +1,47 @@
+// Test24LC256 hello world example
+// Copyright (c) 2009, sford
+// Released under the MIT License: http://mbed.org/license/mit
+//
+// Does some basic stuff with an 24LC256 to show it is working
+
+#include "mbed.h"
+
+I2C i2c(p28, p27);  // sda, scl
+DigitalOut wp(p29); // write protect
+
+int main() {
+
+    wp = 0; // disable write protect
+    
+    printf("Writing bytes 0-16\n");
+
+    char data[3];
+    for(int i=0; i<16; i++) {
+        data[0] = 0;     // MSB address
+        data[1] = i;     // LSB address
+        data[2] = i * 3; // data
+        if(i2c.write(0xA0, data, 3)) {
+            error("Write failed\n");
+        }
+        while(i2c.write(0xA0, NULL, 0)); // wait to complete
+    }
+
+    printf("Setting read pointer to 0\n");
+
+    data[0] = 0;  // MSB address
+    data[1] = 0;  // LSB address
+    if(i2c.write(0xA0, data, 2)) { // send address, but no data
+        error("Write failed\n");
+    }
+        
+    printf("Reading back data bytes 0-16\n");
+    
+    char response[1];
+    for(int i=0; i<16; i++) {
+        if(i2c.read(0xA0, response, 1)) {
+            error("Read failed\n");
+        }
+        printf("address %03d = 0x%02X\n", i, response[0]); 
+    }
+
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Tue Sep 08 11:50:46 2009 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/f63353af7be8