Diff: main.cpp

Revision:

0:d902e78dd583

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Tue Jun 16 14:08:40 2015 +0000
@@ -0,0 +1,174 @@
+#include "mbed.h"
+
+#define ARR_SIZE 5
+
+BusOut _led1(LED1), _led2(LED2), _led3(LED3), _led4(LED4);
+Serial _pc(USBTX, USBRX);
+InterruptIn _asyncError(p14);
+
+char _recChar=0;
+char _recArr[ARR_SIZE];
+int _index=0;
+int _StateError=0;
+bool _error;
+Ticker _tick;
+bool _recAllowedFlag;
+
+void Init();
+void ReadData();
+void SetError();
+void CheckWord();
+void FlushSerialBuffer();
+void flashLeds();
+
+
+
+
+int main()
+{
+
+    Init();
+    _pc.attach(&ReadData);
+    _asyncError.rise(&SetError);
+
+    while(1) {
+        if(_error) {
+
+            switch (_StateError) {
+                case 0:
+                    _pc.printf("Unbekannter Befehl \r\n");
+                    _tick.attach_us(&flashLeds, 100*1000);
+                    break;
+
+
+                case 1:
+                    _pc.printf("Falscher Syntax \r\n");
+                    _tick.attach_us(&flashLeds, 100*300);
+                    break;
+
+                case 2:
+                    _led1=0;
+                    _led2=1;
+                    _led3=1;
+                    _led4=0;
+                    break;
+            }
+        }
+    }
+}
+// Init
+
+void Init()
+{
+    _led1=0;
+    _led2=0;
+    _led3=0;
+    _led4=0;
+    _error=false;
+    _recAllowedFlag=false;
+    _pc.baud(115200);
+    _pc.format(8,SerialBase::None,1);
+    _pc.printf("Hallo\r\n");
+    _pc.printf("Geben sie den Steuerstring ein : \r\n");
+    _pc.printf("Format: a or A -> LEDs aus \r\n");
+}
+
+
+void ReadData()
+{
+    _error=false;
+    _StateError=0;
+    _recChar = _pc.getc();
+    _recArr[_index] = _recChar;
+    _index++;
+    if(_recChar== 0 || _recChar == '\r') {
+        if(_error==false)
+            CheckWord();
+    }
+
+}
+
+void SetError()
+{
+    _error=true;
+    _StateError=2;
+}
+void CheckWord()
+{
+// reset LED´s
+    if(_recArr[0] == 'r' ||   _recArr[0] == 'R') {
+        if(_recArr[3]== 1)
+            _led1=0;
+
+        if(_recArr[3]== 2)
+            _led2=0;
+
+        if(_recArr[3]== 3)
+            _led3=0;
+
+        if(_recArr[3]== 4)
+            _led4=0;
+
+
+        FlushSerialBuffer();
+
+    }
+// set LED
+    if(_recArr[0] == 's' ||   _recArr[0] == 'S') {
+        if(_recArr[3]== 1)
+            _led1=1;
+
+        if(_recArr[3]== 2)
+            _led2=1;
+
+        if(_recArr[3]== 3)
+            _led3=1;
+
+        if(_recArr[3]== 4)
+            _led4=1;
+
+        FlushSerialBuffer();
+    }
+// invert all LED´s
+    if(_recArr[0] =='I') {
+        _led1=!_led1;
+        _led2=!_led2;
+        _led3=!_led3;
+        _led4=!_led4;
+        FlushSerialBuffer();
+    }
+// check for correct command
+    if(_recArr[0]!=('s'||'S'||'r'||'R'||'I')) {
+        _error=true;
+        _StateError=1;
+    }
+// check for syntax error
+    if(_recArr[3]>5 || _recArr[3]<1) {
+        _error=true;
+        _StateError=2;
+    }
+
+    _pc.printf(" - Eingabe beendet; Wort =  %s\r\n", _recArr);
+
+
+    _pc.printf("Geben sie den Steuerstring ein : \r\n");
+    _pc.printf("Format siehe Blatt  \r\n");
+
+}
+
+void FlushSerialBuffer()
+{
+    while (_pc.readable()) {
+        _pc.getc();
+    }
+}
+
+// flash all led´s
+void flashLeds()
+{
+    _led1=!_led1;
+    _led2=!_led2;
+    _led3=!_led3;
+    _led4=!_led4;
+}
+