Diff: main.cpp

Revision:

0:a92a0484f996

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon Aug 25 21:12:31 2014 +0000
@@ -0,0 +1,87 @@
+#include "mbed.h"
+#include "string.h"
+#include "ctype.h"
+#include <stdlib.h>
+
+#define DOT 0.1
+#define DASH .4
+#define PAUSE 0.2
+
+DigitalOut red(LED_RED);
+DigitalOut green(LED_GREEN);
+
+void pisca(float time)
+{
+    green = 0;
+    wait(time);
+    green = 1;
+    wait(PAUSE);
+}
+
+void piscaErro(float time)
+{
+    red = 0;
+    wait(time);
+    red = 1;
+    wait(PAUSE);
+}
+
+
+char* charToMorse(char c)
+{
+    int letra;
+    c = toupper(c);
+    char* morse[] = {
+        ".-","-...","-.-.","-..", ".", "..-.",
+        "--.","....", "..", ".---", "-.-", ".-..", "--","-.",
+        "---", ".--.", "--.-", ".-.", "...", "-","..-", "...-",
+        ".--", "-..-", "-.--", "--.."
+    };
+
+    letra = (int)(c - 'A');
+
+    // Caracter não reconhecido. Pisca erro
+    if (letra >= 26 || letra < 0) {
+        piscaErro(DOT);
+        return NULL;
+    }
+
+    return morse[letra];
+}
+
+void piscaMorse(char letra)
+{
+    int i;
+    char *code = (char*)malloc(sizeof (*code));
+
+    strcpy(code, charToMorse(letra));
+    for(i = 0; i < strlen(code); i++) {
+        if(code[i] == '.')
+            pisca(DOT);
+        else if(code[i] == '-')
+            pisca(DASH);
+    }
+}
+
+void txtMorse(char m[])
+{
+    int i;
+    for(i = 0; i < strlen(m); i++) {
+        piscaMorse(m[i]);
+        wait(PAUSE*3); // Pause between letters
+    }
+}
+
+
+
+
+int main()
+{
+    red = green = 1;
+    while(1)
+        txtMorse("augusto");
+    //piscaMorse('B');
+}
+
+
+