Jens Wirth
This FRDM-KL25Z demo will blink the RGB LED with all colors. The touch slider input controls the blinking frequency. The UART output shows the touch slider input.
Revision 0:6f33cc0cd2ac, committed 2014-05-30
- Comitter:
- jewirth
- Date:
- Fri May 30 10:23:44 2014 +0000
- Child:
- 1:609d9df3ffdc
- Commit message:
- initial commit for my RGB-LED demo
Changed in this revision
| main.cpp | Show annotated file Show diff for this revision Revisions of this file |
| mbed.bld | 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 Fri May 30 10:23:44 2014 +0000
@@ -0,0 +1,28 @@
+#include "mbed.h"
+
+#define LED_ON 0
+#define LED_OFF 1
+#define RGB_COMPONENTS 3
+#define RGB_COLORS ((int) pow(2 *1.0, RGB_COMPONENTS *1.0))
+#define DELAY 0.5
+
+DigitalOut led_rgb_red(LED1); // red
+DigitalOut led_rgb_grn(LED2); // green
+DigitalOut led_rgb_blu(LED3); // blue
+
+DigitalOut led_rgb[RGB_COMPONENTS] = {led_rgb_red, led_rgb_grn, led_rgb_blu};
+
+int main()
+{
+ // turn all LEDs off
+ for (int i=0; i<RGB_COMPONENTS; i++)
+ led_rgb[i] = LED_OFF;
+
+ while(1)
+ {
+ // show all colors
+ for (int i=0; i<RGB_COLORS; i++, wait(DELAY)) // for each possible color
+ for (int j=0; j<RGB_COMPONENTS; j++) // for each LED component
+ led_rgb[j] = ( i & 1<<j ) ? LED_ON : LED_OFF; // set LED component according to active color
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Fri May 30 10:23:44 2014 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/0b3ab51c8877 \ No newline at end of file