Diff: main.cpp

Revision:

0:d333b594399c

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sat Dec 01 22:20:02 2018 +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);
+    }
+}