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main.cpp
00001 #include "mbed.h" 00002 00003 #define Button1 p12 00004 #define Button3 p14 00005 #define Button2 p15 00006 00007 00008 00009 BusOut myleds(LED4, LED3, LED2, LED1); 00010 00011 DigitalIn up(Button1); 00012 DigitalIn down(Button2); 00013 DigitalIn center(Button3); 00014 00015 int main() 00016 { 00017 while(1) { 00018 00019 00020 00021 if(up.read()==1) { 00022 if(myleds<=14) { 00023 wait_ms(50); 00024 myleds=myleds<<1; 00025 myleds=1|myleds; 00026 00027 } 00028 00029 if(myleds>=14) { 00030 00031 wait_ms(50); 00032 myleds=myleds<<1; 00033 myleds=myleds|0; 00034 00035 } 00036 00037 00038 00039 00040 00041 } 00042 if(center.read()==1) { 00043 wait_ms(100); 00044 for(int i=0; i<4; i++) { 00045 wait_ms(100); 00046 myleds=myleds<<1; 00047 myleds=myleds|0; 00048 } 00049 } 00050 00051 00052 if(down.read()==1) { 00053 if(myleds<=15) { 00054 wait_ms(50); 00055 myleds=myleds>>1; 00056 myleds=0|myleds; 00057 00058 } 00059 00060 if(myleds>=15) { 00061 00062 wait_ms(50); 00063 myleds=myleds>>1; 00064 myleds=myleds|0; 00065 00066 } 00067 00068 00069 00070 } 00071 } 00072 }
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