Revision 2:20c97410676b, committed 2016-12-04

Comitter:

prolucus

Date:

Sun Dec 04 09:29:08 2016 +0000

Parent:

1:c3bb15cf5b08

Commit message:

Aggiunte alcune annotazioni

Changed in this revision

diff -r c3bb15cf5b08 -r 20c97410676b main.cpp
--- a/main.cpp	Thu Dec 01 17:54:29 2016 +0000
+++ b/main.cpp	Sun Dec 04 09:29:08 2016 +0000
@@ -1,4 +1,18 @@
 #include "mbed.h"
+
+//ANNOTATIONS
+//
+//accelerometer: LSM6DS0
+//
+//  SDO/SA0 pin is connected to voltage supply -> device address is 1101011
+//
+//  CTRL_REG8:
+//      IF_ADD_INC  default value: 1 -> Register address automatically increased
+//                                  during a multiple byte access with a serial
+//                                  interface (I2C)  
+//      BLE         default value: 0 -> Big Endian (LSB @ lower address)
+//
+
 #define ACC_ADD_W       0b11010110 
 #define ACC_ADD_R       0b11010111
 #define X_OUT_1         0x28
@@ -11,22 +25,31 @@
 #define WHO_AM_I        0x0F
 #define REFERENCE_G     0x0B
 
+
 I2C myi2c(D14, D15); 
 Serial pc (SERIAL_TX, SERIAL_RX);
+
 //void testRead(); void testWrite();
+
 int read_reg(int reg_add);
+
 void setup(void);
+
 int merge_int(int val_msb, int val_lsb);
+
 void write_reg(int reg_add, int data_in);
 
+
+
 int main ()
 {   
-
     setup();
     //testRead(); testWrite();
     int out[2];
-    while (1)
-    {   //testWrite();
+    
+    while(true)
+    {
+        //testWrite();
         out[1]=read_reg(X_OUT_1);
         out[0]=read_reg(X_OUT_2);
         pc.printf("X: %d \n\r", merge_int(out[0], out[1])); 
@@ -38,13 +61,11 @@
         pc.printf("Z: %d%d \n\r", out[1], out[0]);
         wait(1.0);
     }    
-    
-    
 }
 
 
+
 int read_reg(int reg_add)
-
 {   
     int status=0;
     char dato;
@@ -64,6 +85,8 @@
     return dato; //ritorno il dato
 }
 
+
+
 void setup(void)
 {
     pc.printf("Starting up the machine...\n\r");
@@ -71,12 +94,16 @@
     return;
 }
 
+
+
 int merge_int(int val_msb, int val_lsb)
 {
     int to_return = val_lsb + val_msb<<8;
     return to_return;
 }
 
+
+
 /*void testRead()
 {
     int out[2];
@@ -84,6 +111,8 @@
     pc.printf("WHO_AM_I: %d \n\r", out[1]);
 }*/
 
+
+
 void write_reg(int reg_add, int data_in)
 {
     int status=0;
@@ -102,6 +131,7 @@
 }
 
 
+
 /*void testWrite()
 {