Diff: main.cpp

Revision:

0:56bf58cdba47

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Nov 08 18:27:24 2018 +0000
@@ -0,0 +1,75 @@
+#include "mbed.h"
+
+DigitalOut Led1(LED1);
+DigitalOut Led2(LED2);
+DigitalOut Led3(LED3);
+DigitalOut Led4(LED4);
+InterruptIn  SW1(p14);
+
+enum nextState {ST_EIN=0, ST_AUS, ST_STATE2, ST_STATE3};
+nextState state;
+
+bool pressed = false;
+ 
+void fall(void) { 
+    wait_ms(20);
+    pressed = true; 
+}
+ 
+bool CheckFlag()
+{
+    if( pressed ) { 
+        pressed=false; 
+        return true; 
+    }
+    return false;
+}
+
+void ST_Ein(){
+    while(true) {
+        Led1 = 1;
+        if(CheckFlag()) {
+            state = ST_AUS;
+            return;
+        }
+    }
+}
+ 
+void ST_Aus(void){
+    while(true) {
+        Led1 = 0;
+        if(CheckFlag()) {
+            state = ST_EIN;
+            return;
+        }
+    }
+}
+ 
+void ST_Error(){
+    while(1) {
+        Led3 = !Led3;
+        wait_ms(200);
+    }
+}
+
+void stateMachine()
+{
+    switch (state)
+    {
+    case ST_EIN: ST_Ein();
+        break;
+    case ST_AUS: ST_Aus();
+        break;
+    default: ST_Error();
+        break;
+    }
+}
+
+int main()
+{
+    printf("Hello STM\n");
+    SW1.fall(&fall); //.rise(&rise);
+    while(1) {
+        stateMachine(); 
+    }
+}