Jasper Lee
/
twr_helloworld
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frdm_helloworld
by 
Freescale
Revision 0:4f3ac9922229, committed 2014-04-03
- Comitter:
- Kojto
- Date:
- Thu Apr 03 08:36:21 2014 +0000
- Child:
- 1:e105199c1521
- Commit message:
- initial version of complete lab 1
Changed in this revision
| main.cpp | Show annotated file Show diff for this revision Revisions of this file |
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Thu Apr 03 08:36:21 2014 +0000
@@ -0,0 +1,44 @@
+#include "mbed.h"
+
+DigitalOut led_red(LED_RED);
+DigitalOut led_green(LED_GREEN);
+DigitalIn sw2(SW2);
+DigitalIn sw3(SW3);
+Serial pc(USBTX, USBRX);
+
+void check_sw2(void)
+{
+ if (sw2 == 0) {
+ pc.printf("SW2 button pressed. \n");
+ led_red = 0;
+ led_green = 1;
+ }
+}
+
+void check_sw3(void)
+{
+ if (sw3 == 0) {
+ pc.printf("SW3 button pressed. \n");
+ led_green = 0;
+ led_red = 1;
+ pc.printf("5 characters will be echoed. Start typing. \n");
+ for (uint32_t i = 0; i < 5; i++) {
+ pc.putc(pc.getc());
+ }
+ pc.putc(13); /* CR */
+ pc.putc(10); /* LF */
+ }
+}
+
+int main() {
+ led_green = 1;
+ led_red = 1;
+ pc.baud(115200);
+ pc.printf("Hello World from FRDM-K64F board.\n");
+
+ while (true) {
+ check_sw2();
+ check_sw3();
+ wait(0.3);
+ }
+}