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[Morse] Moved Morse code table to flash

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This commit is contained in:
jgromes 2019-06-02 13:38:46 +02:00
parent f004966e57
commit 7d141fbbc2
1 changed files with 66 additions and 59 deletions
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125
src/protocols/Morse.cpp
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@ -6,66 +6,66 @@
*/ */
struct Morse_t { struct Morse_t {
char c; // ASCII character char c; // ASCII character
const char* m; // Morse code representation char m[7]; // Morse code representation
}; };
/*! /*!
\endcond \endcond
*/ */
// array of all Morse code characters // array of all Morse code characters
static const Morse_t MorseTable[MORSE_LENGTH] = { const Morse_t MorseTable[MORSE_LENGTH] PROGMEM = {
{.c = 'A', .m = ".-"}, {'A', ".-"},
{.c = 'B', .m = "-..."}, {'B',"-..."},
{.c = 'C', .m = "-.-."}, {'C', "-.-."},
{.c = 'D', .m = "-.."}, {'D',"-.."},
{.c = 'E', .m = "."}, {'E',"."},
{.c = 'F', .m = "..-."}, {'F',"..-."},
{.c = 'G', .m = "--."}, {'G',"--."},
{.c = 'H', .m = "...."}, {'H',"...."},
{.c = 'I', .m = ".."}, {'I',".."},
{.c = 'J', .m = ".---"}, {'J',".---"},
{.c = 'K', .m = "-.-"}, {'K',"-.-"},
{.c = 'L', .m = ".-.."}, {'L',".-.."},
{.c = 'M', .m = "--"}, {'M',"--"},
{.c = 'N', .m = "-."}, {'N',"-."},
{.c = 'O', .m = "---"}, {'O',"---"},
{.c = 'P', .m = ".--."}, {'P',".--."},
{.c = 'Q', .m = "--.-"}, {'Q',"--.-"},
{.c = 'R', .m = ".-."}, {'R',".-."},
{.c = 'S', .m = "..."}, {'S',"..."},
{.c = 'T', .m = "-"}, {'T',"-"},
{.c = 'U', .m = "..-"}, {'U',"..-"},
{.c = 'V', .m = "...-"}, {'V',"...-"},
{.c = 'W', .m = ".--"}, {'W',".--"},
{.c = 'X', .m = "-..-"}, {'X',"-..-"},
{.c = 'Y', .m = "-.--"}, {'Y',"-.--"},
{.c = 'Z', .m = "--.."}, {'Z',"--.."},
{.c = '1', .m = ".----"}, {'1',".----"},
{.c = '2', .m = "..---"}, {'2',"..---"},
{.c = '3', .m = "...--"}, {'3',"...--"},
{.c = '4', .m = "....-"}, {'4',"....-"},
{.c = '5', .m = "....."}, {'5',"....."},
{.c = '6', .m = "-...."}, {'6',"-...."},
{.c = '7', .m = "--..."}, {'7',"--..."},
{.c = '8', .m = "---.."}, {'8',"---.."},
{.c = '9', .m = "----."}, {'9',"----."},
{.c = '0', .m = "-----"}, {'0',"-----"},
{.c = '.', .m = ".-.-.-"}, {'.',".-.-.-"},
{.c = ',', .m = "--..--"}, {',',"--..--"},
{.c = ':', .m = "---..."}, {':',"---..."},
{.c = '?', .m = "..--.."}, {'?',"..--.."},
{.c = '\'', .m = ".----."}, {'\'',".----."},
{.c = '-', .m = "-....-"}, {'-',"-....-"},
{.c = '/', .m = "-..-."}, {'/',"-..-."},
{.c = '(', .m = "-.--."}, {'(',"-.--."},
{.c = ')', .m = "-.--.-"}, {')',"-.--.-"},
{.c = '\"', .m = ".-..-."}, {'\"',".-..-."},
{.c = '=', .m = "-...-"}, {'=',"-...-"},
{.c = '+', .m = ".-.-."}, {'+',".-.-."},
{.c = '@', .m = ".--.-."}, {'@',".--.-."},
{.c = ' ', .m = "_"}, // space is used to separate words {' ',"_"}, // space is used to separate words
{.c = 0x01, .m = "-.-.-"}, // ASCII SOH (start of heading) is used as alias for start signal {0x01,"-.-.-"}, // ASCII SOH (start of heading) is used as alias for start signal
{.c = 0x02, .m = ".-.-."} // ASCII EOT (end of transmission) is used as alias for stop signal {0x02,".-.-."} // ASCII EOT (end of transmission) is used as alias for stop signal
}; };
MorseClient::MorseClient(PhysicalLayer* phy) { MorseClient::MorseClient(PhysicalLayer* phy) {
@ -107,19 +107,25 @@ size_t MorseClient::write(uint8_t* buff, size_t len) {
size_t MorseClient::write(uint8_t b) { size_t MorseClient::write(uint8_t b) {
// find the correct Morse code in array // find the correct Morse code in array
uint8_t pos; Morse_t mc;
bool found = false; bool found = false;
for(pos = 0; pos < MORSE_LENGTH; pos++) { for(uint8_t pos = 0; pos < MORSE_LENGTH; pos++) {
if(MorseTable[pos].c == toupper(b)) { memcpy_P(&mc, &MorseTable[pos], sizeof(Morse_t));
if(mc.c == toupper(b)) {
found = true; found = true;
break; break;
} }
} }
// check if the requested code was found in the array // check if the requested code was found in the array
if(found) { if(found) {
DEBUG_PRINT(mc.c);
DEBUG_PRINT('\t');
DEBUG_PRINTLN(mc.m);
// iterate over Morse code representation and output appropriate tones // iterate over Morse code representation and output appropriate tones
for(uint8_t i = 0; i < strlen(MorseTable[pos].m); i++) { for(uint8_t i = 0; i < strlen(mc.m); i++) {
switch(MorseTable[pos].m[i]) { switch(mc.m[i]) {
case '.': case '.':
_phy->transmitDirect(_base); _phy->transmitDirect(_base);
delay(_dotLength); delay(_dotLength);
@ -139,6 +145,7 @@ size_t MorseClient::write(uint8_t b) {
} }
// letter space // letter space
DEBUG_PRINTLN();
delay(_dotLength * 3); delay(_dotLength * 3);
return(1); return(1);