Diff: main.cpp

Revision:

0:81685bb49271

Child:

1:2651ad0f52c0

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon Apr 23 09:25:26 2018 +0000
@@ -0,0 +1,40 @@
+#include "mbed.h"
+
+DigitalOut led1(LED1);
+Serial pc(USBTX, USBRX);
+I2C i2c(D14, D15);
+
+// main() runs in its own thread in the OS
+int main() {
+    char buf[10];
+    buf[0] = 0;
+    pc.printf("     0  1  2  3  4  5  6  7  8  9  a  b  c  d  e  f\n");
+    for (int adrs = 0; adrs < 0x80; adrs += 16) {
+        pc.printf("%02x: ", adrs);
+        for (int i = 0; i < 16; i++) {
+            i2c.write(((adrs + i) << 1), buf, 1);
+            int ret = i2c.read(((adrs + i) << 1), buf, 2);
+            if ((adrs+i) == 0 || (adrs+i) == 1 || (adrs+i) == 2) {
+                pc.printf("   ");
+                continue;
+            }
+            if ((adrs+i) >= 0x78) {
+                pc.printf("\n");
+                break;
+            }
+            if (ret == 1) {
+                pc.printf("-- ");
+            }
+            if (ret == 0) {
+                pc.printf("%02x ", (adrs + i));
+            }
+        }
+        pc.printf("\n");
+    }
+        
+    while (true) {
+        led1 = !led1;
+        wait(0.5);
+    }
+}
+