Mihail Stoyanov / MorseGenerator

MorseGenerator test

morsegenerator.cpp@0:79a42458a848, 2012-11-27 (annotated)

Committer:
screamer
Date:
Tue Nov 27 17:52:36 2012 +0000
Revision:
0:79a42458a848
initial

Who changed what in which revision?

UserRevisionLine numberNew contents of line
screamer 0:79a42458a848 1 #include "morsegenerator.h"
screamer 0:79a42458a848 2
screamer 0:79a42458a848 3
screamer 0:79a42458a848 4 MorseGenerator::MorseGenerator(callback_type _callback) {
screamer 0:79a42458a848 5 generate_morse_map();
screamer 0:79a42458a848 6 callback = _callback;
screamer 0:79a42458a848 7 }
screamer 0:79a42458a848 8
screamer 0:79a42458a848 9 void MorseGenerator::generate_morse_map() {
screamer 0:79a42458a848 10 add_mappings("ABCDEFGHIJKLMNOPQRSTUVWXYZ", MORSE_LETTERS);
screamer 0:79a42458a848 11 add_mappings("1234567890", MORSE_NUMBERS);
screamer 0:79a42458a848 12 }
screamer 0:79a42458a848 13
screamer 0:79a42458a848 14 void MorseGenerator::add_mappings(string morse_chars, const string morse_codes[]) {
screamer 0:79a42458a848 15 for (int i=0; i < morse_chars.length(); i++) {
screamer 0:79a42458a848 16 morse_map.insert(MapType::value_type(morse_chars[i], morse_codes[i]));
screamer 0:79a42458a848 17 }
screamer 0:79a42458a848 18 }
screamer 0:79a42458a848 19
screamer 0:79a42458a848 20 void MorseGenerator::transmit(string message) {
screamer 0:79a42458a848 21 for (int i=0; i < message.length(); i++) {
screamer 0:79a42458a848 22 if (strncmp(&message[i], " ", 1) != 0) {
screamer 0:79a42458a848 23 transmit(message[i]);
screamer 0:79a42458a848 24 }
screamer 0:79a42458a848 25 wait_ms(DIT_MS * 7);
screamer 0:79a42458a848 26 }
screamer 0:79a42458a848 27 }
screamer 0:79a42458a848 28
screamer 0:79a42458a848 29 void MorseGenerator::transmit(char letter) {
screamer 0:79a42458a848 30 int d;
screamer 0:79a42458a848 31 string code = morse_map[letter];
screamer 0:79a42458a848 32
screamer 0:79a42458a848 33 for (int i=0; i < code.length(); i++) {
screamer 0:79a42458a848 34 if (strncmp(&code[i], ".", 1) == 0) {
screamer 0:79a42458a848 35 d = 1;
screamer 0:79a42458a848 36 } else {
screamer 0:79a42458a848 37 d = 3;
screamer 0:79a42458a848 38 }
screamer 0:79a42458a848 39 callback(1);
screamer 0:79a42458a848 40 wait_ms(DIT_MS * d);
screamer 0:79a42458a848 41 callback(0);
screamer 0:79a42458a848 42 wait_ms(DIT_MS);
screamer 0:79a42458a848 43 }
screamer 0:79a42458a848 44 }