Diff: main.cpp

Revision:

0:2a5c7fd2db13

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon Sep 14 14:18:23 2020 +0000
@@ -0,0 +1,46 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2019 ARM Limited
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include "mbed.h"
+#include "LCD.h"
+
+
+// Blinking rate in milliseconds
+#define BLINKING_RATE     500ms
+BufferedSerial hc05(PB_10,PB_11,9600);
+AnalogIn ain2(PA_4);
+
+lcd mylcd;
+
+int main()
+{
+    char daten[15];
+    
+    float Wert = 0; // variable to store the value read
+    float R2_25 =1500;
+    float R2_theta;
+    float R1=1500;
+    float dt;
+    float t;
+    float alpha=-0.045;
+
+    // Initialise the digital pin LED1 as an output
+    DigitalOut led(LED1);
+    mylcd.clear();
+    mylcd.cursorpos(0);
+    while (true) {
+        led = !led;
+        R2_theta=R1*ain2/(1-ain2);
+        dt=(R2_theta/R2_25-1)/alpha; //näherungsweise
+        t=25+dt;
+        sprintf(daten,"*G%d*",(int)t);
+        hc05.write(daten,12);
+        sprintf(daten,"*T%d*",(int)t);
+        hc05.write(daten,12);
+        mylcd.cursorpos(0);
+        mylcd.printf("%s",daten);
+        ThisThread::sleep_for(BLINKING_RATE);
+    }
+}