Stanley Cohen
/
Serial_IO_test_v1
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Revision 0:f940d73ac15c, committed 2015-03-05
- Comitter:
- scohennm
- Date:
- Thu Mar 05 00:28:46 2015 +0000
- Commit message:
- KL46Z Serial I/O to and from PC/MAC for Ambient computing. Basic structure.
Changed in this revision
diff -r 000000000000 -r f940d73ac15c SLCD.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/SLCD.lib Thu Mar 05 00:28:46 2015 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/Sissors/code/SLCD/#ef2b3b7f1b01
diff -r 000000000000 -r f940d73ac15c main.cpp
--- /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
diff -r 000000000000 -r f940d73ac15c mbed.bld --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Thu Mar 05 00:28:46 2015 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/9ad691361fac \ No newline at end of file