Diff: main.cpp

Revision:

0:ee837830d039

Child:

1:fb317288084d

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Nov 29 17:02:15 2018 +0000
@@ -0,0 +1,116 @@
+#include "mbed.h"
+
+BusOut myleds(LED1, LED2, LED3, LED4); 
+//DigitalOut led1(LED1);
+//DigitalOut led2(LED2);
+//DigitalOut led3(LED3);
+//DigitalOut led4(LED4);
+
+
+enum Status {ST_LEDOFF=0, ST_LEDEIN=1,};
+Status volatile status;
+// States
+//typedef enum {ST_EIN, ST_AUS, ST_ERROR, ST_STATE1} nextState;
+// alternativ
+//const int ST_EIN = 0;
+//const int ST_AUS = 1;
+//onst int ST_ERROR = 2;
+ 
+// ---------------- Event Klasse --------------------------
+class SwEvent {
+        InterruptIn _isr;
+        bool _pressed;
+        void _RisingISR();
+ 
+    public:
+        SwEvent(PinName pin) : _isr(pin) { 
+            _pressed = false;
+        }
+        int CheckFlag();    // das muss im do-Zweig (while(true) Schleife) ständig abgefragt werden
+        void InitIsr();
+};
+ 
+int SwEvent::CheckFlag() {
+    if( _pressed ) { 
+        _pressed = false; 
+        return 1; 
+    }
+    return 0;
+}
+ 
+void SwEvent::InitIsr() { 
+    _isr.rise(callback(this, &SwEvent::_RisingISR)); 
+}
+ 
+void SwEvent::_RisingISR() {
+    wait_ms(100);
+    _pressed = true;
+}
+ 
+SwEvent sw1(p14);    // Joy Stick Center
+ 
+// ----------------- Stm Klasse -----------------------------
+class Stm {
+  public:
+        Stm() { state=ST_AUS; }
+        
+        void Ein();
+        void Aus();
+        void Error();
+ 
+        uint8_t state;
+};
+ 
+ 
+void Stm::Ein(){
+    while(true) {
+        led1 = 0;
+        if(sw1.CheckFlag()) {
+            state = ST_AUS;
+            return;
+        }
+    }
+}
+ 
+void Stm::Aus(){
+    while(true) {
+        led1 = 1;
+        if(sw1.CheckFlag()) {
+            state = ST_EIN;
+            return;
+        }
+    }
+}
+ 
+void Stm::Error(){
+    while(1) {
+        led3 = ~led3;
+        wait_ms(200);
+    }
+}
+ 
+Stm stm;
+ 
+void stateMachine()
+{
+    printf("state: %d\n", stm.state);  
+    switch (stm.state)
+    {
+    case ST_EIN: stm.Ein();
+        break;
+    case ST_AUS: stm.Aus();
+        break;
+    default: stm.Error();
+        break;
+    }
+}
+ 
+int main()
+{
+    printf("Hello STM class\n");
+    sw1.InitIsr();
+ 
+    while(1) {
+        stateMachine(); 
+    }
+}