Diff: main.cpp

Revision:

2:96f52163ca48

Parent:

1:11ff92032e78

Child:

3:80ceedd5ffac

diff -r 11ff92032e78 -r 96f52163ca48 main.cpp
--- a/main.cpp	Fri Jan 15 16:03:49 2016 +0000
+++ b/main.cpp	Mon Jan 18 15:47:53 2016 +0000
@@ -8,33 +8,73 @@
 DigitalOut led3(LED3);
 DigitalOut led4(LED4);
 
-const int addr = 0x38;
-
 int main(){
     
     char data_write[2];
-    //char data_read[2];
     
     led1 = 1;
     led2 = 1;
     led3 = 1;
     led4 = 1;
     
-    data_write[0] = 0x01;
-    data_write[1] = 0x00;
-    //i2c.start();
-    int status = i2c.write(addr,data_write, 2);
+    data_write[0] = 0x00;
+    
+    i2c.frequency(400000);
+    i2c.start();
+    
+    i2c.write(0xAA, data_write, 1);
+    
+    char data_read[7];
+    i2c.read(0xAB, data_read, 7, true);
+    
+    if(data_read[0] == 0)
+        led1 = 0;
     
-    if (status != 0) { // Error
+    if(data_read[1] == 0)
+        led2 = 0;
+        
+    if(data_read[2] == 0)
+        led3 = 0;
+        
+    if(data_read[3] == 0)
+        led4 = 0;
+    
+    i2c.stop();
+    
+    //data_write[0] = 0x01;
+    //data_write[1] = 0x00;
+    //i2c.start();
+    //int status = i2c.write(addr,data_write, 2);
+    
+    /*if (status != 0) { // Error
         while (1) {
-            led4 = !led4;
-            wait(0.2);
+            
         }
-    } 
+    } */
+ 
+    //bool haPasado = false;
+ 
+    //i2c.frequency(200000);
  
     /*while(1){
+      
+        i2c.start();
+        
+        wait(0.5);
+      
+        int status = i2c.read(addr, data_read, 3);
+        
+        if (status == 0)
+            haPasado = true;
+        
+        if (!haPasado)
+            led4 = !led4;
+            
+        i2c.stop();
+      
+    }*/
       //i2c.start();
-      data_write[0] = 0x00;
+      /*data_write[0] = 0x00;
       i2c.write(addr, data_write, 1,1);
       
       i2c.read(addr, data_read, 2,0);