Revision 1:677b47408246, committed 2017-03-01

Comitter:

capriele

Date:

Wed Mar 01 08:06:44 2017 +0000

Parent:

0:f76c26307f9a

Commit message:

NUCLEO I2C MASTER

Changed in this revision

diff -r f76c26307f9a -r 677b47408246 main.cpp
--- a/main.cpp	Thu Feb 14 17:24:48 2013 +0000
+++ b/main.cpp	Wed Mar 01 08:06:44 2017 +0000
@@ -1,25 +1,40 @@
 #include "mbed.h"
- 
-// Read temperature from LM75BD
+ #include <stdio.h>
+#include <inttypes.h>
+
+Serial pc(USBTX, USBRX); // tx, rx
 
-I2C i2c(p28, p27);
+const int addr = (0x07);
+I2C i2c(D14, D15); //sda, scl
 
-const int addr = 0x90;
+//LEDS
+DigitalOut led0(D2);
+DigitalOut led1(D3);
+DigitalOut led2(D4);
+DigitalOut led3(D5);
 
 int main() {
-    char cmd[2];
+    i2c.frequency(100000);//100khz
+    
+    char num0[1];
+    num0[0] = 0x00;
+    
+    char cmd[1];
+    cmd[0] = 0x00;
     while (1) {
-        cmd[0] = 0x01;
-        cmd[1] = 0x00;
-        i2c.write(addr, cmd, 2);
- 
+        //i2c.write(addr, cmd, 1, false); 
+        //i2c.read(addr, num0, 2, false); 
+        
+        //cmd[0] = 0x01;
+        i2c.write(addr, cmd, 1, false); 
+        i2c.read(addr, num0, 1, false); 
+        
+        //Accendo i led
+        led0 = num0[0] & 0x01;
+        led1 = num0[0] & 0x02;
+        led2 = num0[0] & 0x03;
+        led3 = num0[0] & 0x04;
+        printf("RECEIVED = %02X \n", num0[0]);
         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);
     }
 }
\ No newline at end of file

diff -r f76c26307f9a -r 677b47408246 mbed.bld
--- a/mbed.bld	Thu Feb 14 17:24:48 2013 +0000
+++ b/mbed.bld	Wed Mar 01 08:06:44 2017 +0000
@@ -1,1 +1,1 @@
-http://mbed.org/users/mbed_official/code/mbed/builds/0954ebd79f59
\ No newline at end of file
+http://mbed.org/users/mbed_official/code/mbed/builds/faff56e089b2
\ No newline at end of file