Yoji Shidara
/
hello
Hello World form mbed
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main.cpp
00001 #include "mbed.h" 00002 00003 DigitalOut myled(LED1); 00004 00005 char *morse_pattern[] = { 00006 "._", "_...", "_._.", "_..", ".", ".._.", "__.", 00007 "....", "..", ".___", "_._", "._..", "__", 00008 "_.", "___", ".__.", "__._", "._.", "...", "_", 00009 ".._", "..._", ".__", "_.._", "__._", "__.." 00010 }; 00011 00012 void morse(float time, char *str) { 00013 int i, j; 00014 00015 for (i=0; i<strlen(str); i++) { 00016 char *c = str+i; 00017 if ('A' <= *c && *c <= 'Z') { 00018 char *pattern = morse_pattern[*c - 'A']; 00019 for (j=0; j<strlen(pattern); j++) { 00020 myled = 1; 00021 if(pattern[j] == '.') { 00022 wait(time * 1); 00023 } 00024 else { 00025 wait(time * 3); 00026 } 00027 myled = 0; 00028 wait(time * 1); 00029 } 00030 wait(time * 2); 00031 } else { 00032 wait(time * 3); 00033 } 00034 } 00035 wait(time * 4); 00036 } 00037 00038 int main() { 00039 char *str = "HELLO WORLD"; 00040 00041 while(1) { 00042 morse(0.1, str); 00043 } 00044 }
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