Revision 0:11009567229c, committed 2018-11-08

Comitter:

franzpaulus

Date:

Thu Nov 08 18:20:40 2018 +0000

Commit message:

Fahrradlicht mit State Machine

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Nov 08 18:20:40 2018 +0000
@@ -0,0 +1,101 @@
+#include "mbed.h"
+
+DigitalOut Led1(LED1);
+DigitalOut Led2(LED2);
+DigitalOut Led3(LED3);
+DigitalOut Led4(LED4);
+InterruptIn  SW1(p14);
+
+enum nextState {ST_OFF, ST_SLOW, ST_FAST, ST_ON };
+nextState state = ST_OFF;
+
+bool pressed = false;
+
+void fall(void) { 
+    wait_ms(20);
+    pressed = true; 
+}
+
+bool CheckFlag()
+{
+    if( pressed ) { 
+        pressed=false; 
+        return true; 
+    }
+    return false;
+}
+
+void ST_off(void){          //LED aus
+    while(true) {
+        Led1 = 0;
+        if(CheckFlag()) {
+            state = ST_SLOW;
+            return;
+        }
+    }
+}
+
+void ST_slow(void){     //langsam Blinken
+    while(true) {
+        Led1 = !Led1;
+        wait_ms(500);
+        if(CheckFlag()) {
+            state = ST_FAST;
+            return;
+        }
+    }
+}
+
+void ST_fast(void){     //schnell Blinken
+    while(true) {
+        Led1 = !Led1;
+        wait_ms(200);
+        if(CheckFlag()) {
+            state = ST_ON;
+            return;
+        }
+    }
+}
+
+void ST_on(void){     //LED ein
+    while(true) {
+        Led1 = 1;
+        if(CheckFlag()) {
+            state = ST_OFF;
+            return;
+        }
+    }
+}
+
+void ST_Error(){
+    while(1) {
+        Led3 = !Led3;
+        wait_ms(200);
+    }
+}
+
+void stateMachine()     //ST_OFF, ST_SLOW, ST_FAST, ST_ON
+{
+    switch (state)
+    {
+    case ST_OFF: ST_off();
+        break;
+    case ST_SLOW: ST_slow();
+        break;
+    case ST_FAST: ST_fast();
+        break;
+    case ST_ON: ST_on();
+        break;
+    default: ST_Error();
+        break;
+    }
+}
+
+int main()
+{
+    printf("Hello STM\n");
+    SW1.fall(&fall); //.rise(&rise);
+    while(1) {
+        stateMachine(); 
+    }
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Thu Nov 08 18:20:40 2018 +0000
@@ -0,0 +1,1 @@
+https://os.mbed.com/users/mbed_official/code/mbed/builds/e95d10626187
\ No newline at end of file