main.cpp

00001 #include "mbed.h"
00002 #include "PinDetect.h"
00003 
00004 PwmOut red_led(p23);
00005 PwmOut green_led(p22);
00006 PwmOut blue_led(p21);
00007 PinDetect pbdim(p6);
00008 PinDetect pbbright(p7);
00009 float volatile red_brightness = 0.5f;
00010 float volatile blue_brightness = 0.5f;
00011 float volatile green_brightness = 0.5f;
00012 DigitalIn red_switch(p8);
00013 DigitalIn blue_switch(p9);
00014 DigitalIn green_switch(p10);
00015 void pbdim_hit_callback (void) {
00016     if (red_switch && (1.0f > red_brightness  || red_brightness >= 0.0f)) {
00017         red_brightness += 0.1f;
00018     }
00019     if (blue_switch && (1.0f > blue_brightness  || blue_brightness >= 0.0f)) {
00020         blue_brightness += 0.1f;
00021     }
00022     if (green_switch && (1.0f > green_brightness  || green_brightness >= 0.0f)) {
00023         green_brightness += 0.1f;
00024     }
00025 }
00026 void pbbright_hit_callback (void) {
00027     if (red_switch && (0.0f < red_brightness || red_brightness <= 1.0f)) {
00028         red_brightness -= 0.1f;
00029     }
00030     if (blue_switch && (0.0f < blue_brightness || blue_brightness <= 1.0f)) {
00031         blue_brightness -= 0.1f;
00032     }
00033     if (green_switch && (0.0f < green_brightness || green_brightness <= 1.0f)) {
00034         green_brightness -= 0.1f;
00035     }
00036 }
00037 int main(void) {
00038     red_switch.mode(PullUp);
00039     blue_switch.mode(PullUp);
00040     green_switch.mode(PullUp);
00041     pbdim.mode(PullUp);
00042     pbbright.mode(PullUp);
00043     red_switch.mode(PullUp);
00044     blue_switch.mode(PullUp);
00045     green_switch.mode(PullUp);
00046     wait(0.001);
00047     
00048     pbdim.attach_deasserted(&pbdim_hit_callback);
00049     pbdim.setSampleFrequency();
00050     pbbright.attach_deasserted(&pbbright_hit_callback);
00051     pbbright.setSampleFrequency();
00052     
00053     while(1) {
00054         red_led = red_brightness;
00055         green_led = green_brightness;
00056         blue_led = blue_brightness;
00057         wait(.2);
00058     }
00059 }