Diff: main.cpp

Revision:

0:f5694e6b4092

Child:

1:eff878d1c631

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Tue Apr 28 15:52:47 2020 +0000
@@ -0,0 +1,59 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2019 ARM Limited
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include "mbed.h"
+#include "platform/mbed_thread.h"
+#include "LCD.h"
+
+#define dg drehgeber>>9
+
+InterruptIn dt(PA_9);
+InterruptIn clk(PA_10);
+PortIn drehgeber(PortA,0b11000000000);
+PortOut diag(PortC,0b11111111);
+int x=1,z=0,alt,neu,lsb[4]={3,0,2,1};
+
+
+void drehgeberISR(void)
+{
+    neu=lsb[dg];
+    diag=x;
+    if (alt==3 && neu==0) z=z+1;
+    if (alt==0 && neu==3) z=z-1;
+    x=(z<<2)+neu;
+    alt=neu;
+}
+
+void resetPos(void)
+{
+    x=1;
+    z=0;
+    //__disable_irq();
+    diag=0;
+}
+
+int main()
+{
+
+    InterruptIn sw(PA_8);
+    sw.fall(&resetPos);
+    sw.mode(PullUp);
+    dt.rise(&drehgeberISR);
+    dt.fall(&drehgeberISR);
+    clk.rise(&drehgeberISR);
+    clk.fall(&drehgeberISR);
+    //__disable_irq();
+    lcd mylcd;
+    mylcd.clear();
+    mylcd.cursorpos(0);
+    while (true) {
+        
+            
+            mylcd.cursorpos(0);
+            mylcd.printf("Position %d   ",x);
+    
+        
+     }
+}