Diff: led_light/led_lights.cpp

Revision:

1:3aec489c7366

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/led_light/led_lights.cpp	Fri Apr 11 03:35:05 2014 +0000
@@ -0,0 +1,86 @@
+#include "mbed.h"
+#include "led_lights.h"
+unsigned int led_red_pulsewidth;
+unsigned int led_green_pulsewidth;
+unsigned int led_blue_pulsewidth;
+unsigned int led_period =1000;
+unsigned int led_pulsewidth = 0;
+unsigned int led_step = 10;
+
+unsigned int pwm_blue_led(int brightness )
+{
+    if (brightness==1) {
+        led_blue_pulsewidth=led_blue_pulsewidth+led_step;
+        led_blue.pulsewidth_us(led_blue_pulsewidth);
+    };
+    if (brightness==0) {
+        led_blue_pulsewidth=led_blue_pulsewidth-led_step;
+        led_blue.pulsewidth_us(led_blue_pulsewidth);
+    };
+    return led_blue_pulsewidth;
+}
+unsigned int pwm_green_led(int brightness)
+{
+    if (brightness==1) {
+        led_green_pulsewidth=led_green_pulsewidth+led_step;
+        led_green.pulsewidth_us(led_green_pulsewidth);
+    }
+    if (brightness==0) {
+        led_green_pulsewidth=led_green_pulsewidth-led_step;
+        led_green.pulsewidth_us(led_green_pulsewidth);
+    }
+    return led_green_pulsewidth;
+}
+unsigned int pwm_red_led(int brightness)
+{
+    if (brightness==1) {
+        led_red_pulsewidth=led_red_pulsewidth+led_step;
+        led_red.pulsewidth_us(led_red_pulsewidth);
+    }
+    if (brightness==0) {
+        led_red_pulsewidth=led_red_pulsewidth-led_step;
+        led_red.pulsewidth_us(led_red_pulsewidth);
+    }
+    return led_red_pulsewidth;
+}
+
+void led_test(void){
+    led_blue.period_us(led_period);
+    led_blue_pulsewidth=led_pulsewidth;
+    for (int i=1; i<=100; i++) {
+        pwm_blue_led(1);
+        wait (0.1);
+    }
+    for (int i=1; i<=100; i++) {
+        pwm_blue_led(0);
+        wait (0.1);
+    }
+    led_blue_pulsewidth=10;    // set to 0
+    pwm_blue_led(0);           // set to 0
+
+    led_red.period_us(led_period);
+    led_red_pulsewidth=led_pulsewidth;
+    for (int i=1; i<=100; i++) {
+        pwm_red_led(1);
+        wait (0.1);
+    }
+    for (int i=1; i<=100; i++) {
+        pwm_red_led(0);
+        wait (0.1);
+    }
+    led_red_pulsewidth=10;    // set to 0
+    pwm_red_led(0);           // set to 0
+    
+    led_green.period_us(led_period);
+    led_green_pulsewidth=led_pulsewidth;
+    for (int i=1; i<=100; i++) {
+        pwm_green_led(1);
+        wait (0.1);
+    }
+    for (int i=1; i<=100; i++) {
+        pwm_green_led(0);
+        wait (0.1);
+    }
+    led_green_pulsewidth=10;    // set to 0
+    pwm_green_led(0);           // set to 0
+}
\ No newline at end of file