Revision 0:7fecc14decbf, committed 2017-01-25

Comitter:

idruzin

Date:

Wed Jan 25 18:04:27 2017 +0000

Commit message:

Projektni zadatak 10

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Jan 25 18:04:27 2017 +0000
@@ -0,0 +1,79 @@
+#include "mbed.h"
+#include "math.h"
+
+I2C MSP430G(p9, p10); //sda, sc1
+Serial pc(USBTX, USBRX); //tx, rx
+
+const int addr = 0x92;
+char config_t[2]; // transmitt buffer
+char temp_read[2]; // read buffer
+float temp;
+int temp_int;
+
+char BOByte(int temp);
+
+
+int main()
+{
+        config_t[0] = 0xC0; //config slave to int temp
+        config_t[1] = 0xFF; // config data byte1, BOut
+    
+    while(1) {
+        
+        
+        MSP430G.write(addr, config_t, 2);
+        
+        wait_us(20);
+        
+        MSP430G.read(addr, temp_read, 2); //read the two-byte temp data
+        
+        temp = temp_read[0]+temp_read[1]*256;
+        temp = temp / 10;
+        
+        temp_int = ceil (temp); // float to integer, round to upper
+        
+        if ( temp_int >= 20 || temp_int <= 35) {
+            
+            config_t[1] = BOByte(temp_int); // config data byte1, BusOut
+           
+             pc.printf("Temp = %.1f degC\n\r", temp); // print on screen
+        } else {
+                 
+                  config_t[1] = 0x00; // config data byte1, BOut
+                  
+                  pc.printf("Izmjerena temperatura je izvan mjernog opsega\n\r"); // print on screen
+                  
+        }
+    wait(1);
+            
+    }
+}
+            
+char BOByte(int temp) {
+                      
+    char BOut;
+        
+    switch(temp) {
+            case 20: BOut = 0x01; break; 
+            case 21: BOut = 0x01; break; 
+            case 22: BOut = 0x03; break; 
+            case 23: BOut = 0x03; break; 
+            case 24: BOut = 0x07; break; 
+            case 25: BOut = 0x07; break; 
+            case 26: BOut = 0x0F; break; 
+            case 27: BOut = 0x0F; break; 
+            case 28: BOut = 0x1F; break; 
+            case 29: BOut = 0x1F; break; 
+            case 30: BOut = 0x3F; break; 
+            case 31: BOut = 0x3F; break; 
+            case 32: BOut = 0x7F; break; 
+            case 33: BOut = 0x7F; break; 
+            case 34: BOut = 0xFF; break; 
+            case 35: BOut = 0xFF; break; 
+            default: 
+                BOut = 0x00;    
+    }
+    
+    return BOut; // config data byte1, BOut
+    
+}
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Wed Jan 25 18:04:27 2017 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/d75b3fe1f5cb
\ No newline at end of file