Stanley Cohen / Mbed 2 deprecated Serial_IO_test_v5

Precursor top to simple parser multi threaded use of c++ basic string library. For Ambient computing NMNU Spring 2015

Dependencies:   SLCD mbed-rtos mbed

Fork of Serial_IO_test_v3 by Stanley Cohen

Diff: serialO_v2.cpp

Revision:
0:60b70ac7ed38
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/serialO_v2.cpp	Thu Mar 05 03:33:01 2015 +0000
@@ -0,0 +1,50 @@
+#include "mbed.h"
+#include "SLCD.h"
+
+#define LCDLEN      10
+#define MAXCHAR     4
+#define LEDBLINKTIME 0.2f
+
+
+DigitalOut rLed(LED_RED);
+
+ 
+Serial pc(USBTX, USBRX); // tx, rx
+SLCD slcd; //define LCD display
+char rxChar;
+int charIndex = 0;
+char rxString[LCDLEN];
+bool charReady = false;
+
+// set up intterupt for serial port
+
+void serialISR(){
+  rxChar = pc.getc();   // reading clears the buffer
+  pc.printf("%c\n\r", rxChar);
+  rxString[charIndex] = rxChar;
+  charIndex = (charIndex + 1 )% MAXCHAR;
+  charReady = true;
+  return;
+}
+
+void LCDMessNoDwell(char *lMess){
+        slcd.Home();
+        slcd.clear();
+        slcd.printf(lMess);
+}
+
+
+int main()
+{  
+ // set up interrupt   
+    pc.attach(&serialISR);
+    
+    while (true) {     
+        rLed = !rLed; // toggle led
+        if (charReady) {
+            LCDMessNoDwell(rxString);
+            charReady = false;
+        }
+        wait(LEDBLINKTIME);
+    }
+}
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