Diff: main.cpp

Revision:

0:37af44a1306e

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Dec 21 19:43:24 2016 +0000
@@ -0,0 +1,52 @@
+#include "mbed.h"
+#include "TextLCD.h"
+#include "Motor.h"
+
+Motor m1(D10, D8, D9);
+TextLCD lcd(D12, D11, D5, D4, D3, D2);
+InterruptIn button(PC_13);
+
+I2C i2c(D14, D15);
+const int addr = 0x90; 
+volatile float tmin;
+volatile float tmax;
+
+void ISR1()
+{
+    lcd.cls();
+    lcd.printf("Min: %.1f C", tmin/256);
+    wait(2);
+    lcd.cls();
+    lcd.printf("Max: %.1f C", tmax/256);
+    wait(2);
+    lcd.cls();
+}
+int main()
+{
+    button.rise(&ISR1);
+    char cmd[2];
+    printf("\r\nTCN75 I2C thermometer\r\n");
+    cmd[0] = 0x01;
+    cmd[1] = 0x00;
+    i2c.write(addr, cmd, 2);
+    tmin=100*256;
+    tmax=-273.15*100;
+    while(1) {
+        wait(2);
+        cmd[0] = 0x00;
+        i2c.write(addr, cmd, 1);
+        i2c.read(addr, cmd, 2);
+        float temp = cmd[0]<<8|cmd[1];
+        lcd.printf("Temperatura :\n %.1f C\n", temp/256);
+        //printf("Temperatue = %.4f C\r\n", temp/256);
+        if(temp<tmin) {
+            tmin=temp;
+        }
+        else if(temp>tmax) {
+            tmax=temp;
+        }
+        if(temp/256>30){
+            m1.speed(0.7);
+            }
+    }
+}
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