Diff: main.cpp

Revision:

0:f134649523c1

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Tue Apr 08 01:53:51 2014 +0000
@@ -0,0 +1,100 @@
+#include "mbed.h"
+#include "led.h"
+//#include "mbed.h"
+
+PwmOut led_blue(PTA5);
+PwmOut led_green(PTC8);
+PwmOut led_red (PTC9);
+//unsigned int led_period = 1000;
+//unsigned int led_pulsewidth = 50;
+//unsigned int led_step =10;
+//unsigned int pwm_red_led(int brightness);
+//unsigned int pwm_blue_led(int brightness);
+//unsigned int pwm_green_led(int brightness);
+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;
+}
+int main(void)
+{
+    while(1) {
+        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
+    }
+
+}