Diff: main.cpp

Revision:

1:e42651c601d2

Parent:

0:f76c26307f9a

--- a/main.cpp	Thu Feb 14 17:24:48 2013 +0000
+++ b/main.cpp	Sat Jun 13 11:13:00 2015 +0000
@@ -1,25 +1,70 @@
 #include "mbed.h"
- 
-// Read temperature from LM75BD
+#include "rtos.h"
 
-I2C i2c(p28, p27);
+const int addr = 0x20<<1;                     //slave address 
+I2C master (D14,D15);                      //configure pins p27,p28 as I2C master
+Serial pc (USBTX,USBRX);
+//DigitalOut interrupt(D9);
+//InterruptIn data_ready(D10);
+InterruptIn aple(D11);
 
-const int addr = 0x90;
+DigitalOut pes(D12);
+DigitalOut led(LED_RED);
+DigitalOut led1(LED_GREEN);
+
+
 
-int main() {
-    char cmd[2];
-    while (1) {
-        cmd[0] = 0x01;
-        cmd[1] = 0x00;
-        i2c.write(addr, cmd, 2);
+bool f = 1;
+char rdata;
+void readds()
+{ //wait();    
+               led = ! led ;
+               f =  master.read(addr,&rdata,1);
+              if(f == 0) led1 = ! led1 ;
+               //pc.printf("read %d \n",rdata);
+               
+ }   
+ 
+ int loop=1;
+ char *writedata = new char;
+void FUNC_MASTER_WRITE()
+ {    int data = pc.getc();
+      loop=1;
  
-        wait(0.5);
- 
-        cmd[0] = 0x00;
-        i2c.write(addr, cmd, 1);
-        i2c.read(addr, cmd, 2);
- 
-        float tmp = (float((cmd[0]<<8)|cmd[1]) / 256.0);
-        printf("Temp = %.2f\n", tmp);
+  pc.printf("read ");
+ master.frequency(100000); 
+  *writedata = data; 
+     while(loop)
+     {
+         bool check = (bool)master.write(addr,writedata,1);
+         //pc.printf("read ");
+         if(check==0)
+         {
+             pc.printf("written\n");
+             loop=0;
+             //readds();
+             
+         }    
+         
+     }
+}      
+int main()
+{   
+    
+    //data_ready.rise(&FUNC_INT);
+    printf("\nstarted master\n"); 
+   // aple.mode(PullDown);
+    aple.rise(&readds);
+    //aple.rise(&readds);
+    while(1)
+    
+    { 
+    pc.printf("read %d \n",rdata);
+    //pes = 1;
+    //wait(5);
+    //pes = 0;
+    //wait(5);
+    // if(aple==1)led=!led;
+     //FUNC_MASTER_WRITE();  
     }
 }
\ No newline at end of file