Diff: main.cpp

Revision:

0:25f0bf2e4247

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sat Nov 14 11:24:59 2015 +0000
@@ -0,0 +1,70 @@
+// Lab 5
+// 8/11/2015
+#include "mbed.h"
+#include "eeprom.h"
+
+EEPROM ee(I2C_SDA,I2C_SCL,0);
+//      PB_9(D14),PB_8(D15)   
+BusOut led(D4,D5,D6,A0,A1,A2,A3);
+DigitalIn in1(D7),in2(D8),in3(D9),in4(D10),in5(D11),in6(D12),in7(D13);
+DigitalIn sw(D2),mode(D3);
+
+int main()
+{
+    int8_t a=0,sum;
+    int8_t wc=0,rc=0;
+    while(1)
+    {
+        if(sw)
+        {
+            if(mode)    //read
+            {
+                led=0;
+                if(rc<wc)
+                {
+                    ee.read(rc,a);
+                    wait_ms(1);
+                    rc++;
+                    led=a;
+                }
+                else
+                {
+                    led=127;    wait(0.2);
+                    led=0;      wait(0.2);
+                    led=127;    wait(0.2);
+                    led=0;
+                    rc=0;
+                    ee.read(rc,a);
+                    wait_ms(1);
+                    rc++;
+                    led=a;
+                }
+            }
+            else        //write
+            {
+                if(wc>60||rc>60)
+                {
+                    //warning data can be overflow
+                    led=63;     wait(1);
+                    led=0;      wait(1);
+                    led=63;     wait(1);
+                    led=0;
+                    //reset eeprom go to address 0
+                    wc=0; rc=0;
+                }
+                sum=0;
+                if(in1) sum+=1;
+                if(in2) sum+=2;
+                if(in3) sum+=4;
+                if(in4) sum+=8;
+                if(in5) sum+=16;
+                if(in6) sum+=32;
+                if(in7) sum+=64;
+                ee.write(wc,sum); //save
+                wait_ms(1);
+                wc++;
+            }
+        }
+        wait(0.2);
+    }
+}