Diff: main.cpp

Revision:

0:f940d73ac15c

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Mar 05 00:28:46 2015 +0000
@@ -0,0 +1,42 @@
+#include "mbed.h"
+#include "SLCD.h"
+
+#define LCDLEN          10
+#define MAXCHAR         4
+#define LCD_UPDATE_TIME 100 // in ms
+#define LEDBLINKTIME     0.2f
+#define ALL8            "8888"
+
+
+DigitalOut rLed(LED_RED);
+
+ 
+Serial pc(USBTX, USBRX); // tx, rx
+SLCD slcd; //define LCD display
+char rxChar;
+int charIndex = 0;
+char rxString[LCDLEN];
+
+void LCDMessNoDwell(char *lMess){
+        slcd.Home();
+        slcd.clear();
+        slcd.printf(lMess);
+}
+
+
+int main()
+{  
+    LCDMessNoDwell(ALL8); // just put something on the LCD to show it's working
+    
+    while (true) {     
+        rLed = !rLed; // toggle led
+        if (pc.readable()) {                // only read from the serial port if there is a character
+            rxChar= pc.getc();              // reading clears the buffer
+            pc.printf("%c\n\r", rxChar);    // echo that character
+            rxString[charIndex] = rxChar;   // construct a 4-digi string for the LCD
+            charIndex = (charIndex + 1 )% MAXCHAR; // Only allow 4 characters the roll over
+            LCDMessNoDwell(rxString);       // display it
+        }
+        wait(LEDBLINKTIME);
+    }
+}
\ No newline at end of file