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/*
* Project Title: ESP32 based Text to Speech offline converter
*/
#include
#include "Vocab_US_Large.h" // Include the vocab you want
Talkie voice;
// Minimal mapping: text → LPC array
struct WordMap {
const char* text;
const unsigned char* lpc;
};
// Only include words actually in your LPC vocab
WordMap words[] = {
{"ZERO", sp2_ZERO},
{"ONE", sp2_ONE},
{"TWO", sp2_TWO},
{"THREE", sp2_THREE},
{"FOUR", sp2_FOUR},
{"FIVE", sp2_FIVE},
{"SIX", sp2_SIX},
{"SEVEN", sp2_SEVEN},
{"EIGHT", sp2_EIGHT},
{"NINE", sp2_NINE},
{"TEN", sp2_TEN},
{"ELEVEN", sp2_ELEVEN},
{"TWELVE", sp2_TWELVE},
{"TWENTY", sp2_TWENTY},
{"HUNDRED", sp2_HUNDRED},
{"THOUSAND", sp2_THOUSAND},
{"THIR", sp2_THIR_},
{"FIF", sp2_FIF_},
{"TEEN", sp2__TEEN},
// Letters
{"A", sp2_A},
{"B", sp2_B},
{"C", sp2_C},
{"D", sp2_D},
{"E", sp2_E},
{"F", sp2_F},
{"G", sp2_G},
{"H", sp2_H},
{"I", sp2_I},
{"J", sp2_J},
{"K", sp2_K},
{"L", sp2_L},
{"M", sp2_M},
{"N", sp2_N},
{"O", sp2_O},
{"P", sp2_P},
{"Q", sp2_Q},
{"R", sp2_R},
{"S", sp2_S},
{"T", sp2_T},
{"U", sp2_U},
{"V", sp2_V},
{"W", sp2_W},
{"X", sp2_X},
{"Y", sp2_Y},
{"Z", sp2_Z},
// Phonetic alphabet
{"ALPHA", sp2_ALPHA},
{"BRAVO", sp2_BRAVO},
{"CHARLIE", sp2_CHARLIE},
{"DELTA", sp2_DELTA},
{"ECHO", sp2_ECHO},
{"FOXTROT", sp2_FOXTROT},
{"GOLF", sp2_GOLF},
{"HENRY", sp2_HENRY},
{"INDIA", sp2_INDIA},
{"JULIET", sp2_JULIET},
{"KILO", sp2_KILO},
{"LIMA", sp2_LIMA},
{"MIKE", sp2_MIKE},
{"NOVEMBER", sp2_NOVEMBER},
{"OSCAR", sp2_OSCAR},
{"PAPA", sp2_PAPA},
{"QUEBEC", sp2_QUEBEC},
{"ROMEO", sp2_ROMEO},
{"SIERRA", sp2_SIERRA},
{"TANGO", sp2_TANGO},
{"UNIFORM", sp2_UNIFORM},
{"VICTOR", sp2_VICTOR},
{"WHISKY", sp2_WHISKY},
{"XRAY", sp2_XRAY},
{"YANKEE", sp2_YANKEE},
{"ZULU", sp2_ZULU},
// Common words
{"THE", sp2_THE},
{"WATTS", sp2_WATTS},
{"METER", sp2_METER},
{"DANGER", sp2_DANGER},
{"PRESSURE", sp2_PRESSURE},
{"CHANGE", sp2_CHANGE},
{"MINUS", sp2_MINUS},
{"NOT", sp2_NOT},
{"START", sp2_START},
{"LINE", sp2_LINE},
{"OFF", sp2_OFF},
{"TIME", sp2_TIME},
{"AUTOMATIC", sp2_AUTOMATIC},
{"WEIGHT", sp2_WEIGHT},
{"SMOKE", sp2_SMOKE},
{"ABORT", sp2_ABORT},
{"CALL", sp2_CALL},
{"CYCLE", sp2_CYCLE},
{"DISPLAY", sp2_DISPLAY},
{"EQUAL", sp2_EQUAL},
{"FAST", sp2_FAST},
{"ABOUT", sp2_ABOUT},
{"GO", sp2_GO},
{"INCH", sp2_INCH},
{"LOW", sp2_LOW},
{"MOTOR", sp2_MOTOR},
{"OPEN", sp2_OPEN},
{"PERCENT", sp2_PERCENT},
{"PROBE", sp2_PROBE},
{"READY", sp2_READY},
{"SET", sp2_SET},
{"SPEED", sp2_SPEED},
{"UNDER", sp2_UNDER},
{"OPERATOR", sp2_OPERATOR},
{"AMPS", sp2_AMPS},
{"MEGA", sp2_MEGA},
{"PICO", sp2_PICO},
{"FIRE", sp2_FIRE},
{"POWER", sp2_POWER},
{"COMPLETE", sp2_COMPLETE},
{"REPAIR", sp2_REPAIR},
{"TEMPERATURE", sp2_TEMPERATURE},
{"STOP", sp2_STOP},
{"MACHINE", sp2_MACHINE},
{"ON", sp2_ON},
{"CONTROL", sp2_CONTROL},
{"ELECTRICIAN", sp2_ELECTRICIAN},
{"AT", sp2_AT},
{"RED", sp2_RED},
{"ALL", sp2_ALL},
{"CANCEL", sp2_CANCEL},
{"PHASE", sp2_PHASE},
{"NOR", sp2_NOR},
{"EXIT", sp2_EXIT},
{"FLOW", sp2_FLOW},
{"GAUGE", sp2_GAUGE},
{"GREEN", sp2_GREEN},
{"INSPECTOR", sp2_INSPECTOR},
{"MANUAL", sp2_MANUAL},
{"MOVE", sp2_MOVE},
{"OVER", sp2_OVER},
{"PLUS", sp2_PLUS},
{"PULL", sp2_PULL},
{"REPEAT", sp2_REPEAT},
{"SHUT", sp2_SHUT},
{"TEST", sp2_TEST},
{"VOLTS", sp2_VOLTS},
{"GALLONS", sp2_GALLONS},
{"HERTZ", sp2_HERTZ},
{"MICRO", sp2_MICRO},
{"OHMS", sp2_OHMS},
{"AREA", sp2_AREA},
{"AND", sp2_AND},
{"CIRCUIT", sp2_CIRCUIT},
{"CONNECT", sp2_CONNECT},
{"SECONDS", sp2_SECONDS},
{"UNIT", sp2_UNIT},
{"TIMER", sp2_TIMER},
{"UP", sp2_UP},
{"IS", sp2_IS},
{"ALERT", sp2_ALERT},
{"ADJUST", sp2_ADJUST},
{"BETWEEN", sp2_BETWEEN},
{"MINUTES", sp2_MINUTES},
{"BUTTON", sp2_BUTTON},
{"CLOCK", sp2_CLOCK},
{"DEVICE", sp2_DEVICE},
{"EAST", sp2_EAST},
{"FAIL", sp2_FAIL},
{"FREQUENCY", sp2_FREQUENCY},
{"GATE", sp2_GATE},
{"HIGH", sp2_HIGH},
{"INTRUDER", sp2_INTRUDER},
{"MEASURE", sp2_MEASURE},
{"NORTH", sp2_NORTH},
{"PASS", sp2_PASS},
{"POSITION", sp2_POSITION},
{"PUSH", sp2_PUSH},
{"RIGHT", sp2_RIGHT},
{"SLOW", sp2_SLOW},
{"TOOL", sp2_TOOL},
{"WEST", sp2_WEST},
{"FARAD", sp2_FARAD},
{"MILLI", sp2_MILLI},
{"CAUTION", sp2_CAUTION},
{"LIGHT", sp2_LIGHT},
{"CHECK", sp2_CHECK},
{"DEGREES", sp2_DEGREES},
{"SERVICE", sp2_SERVICE},
{"SWITCH", sp2_SWITCH},
{"VALVE", sp2_VALVE},
{"VAL", sp2_VAL},
{"NUMBER", sp2_NUMBER},
{"OUT", sp2_OUT},
{"POINT", sp2_POINT},
{"BREAK", sp2_BREAK},
{"HOURS", sp2_HOURS},
{"CALIBRATE", sp2_CALIBRATE},
{"CRANE", sp2_CRANE},
{"DIRECTION", sp2_DIRECTION},
{"ENTER", sp2_ENTER},
{"FEET", sp2_FEET},
{"FROM", sp2_FROM},
{"GAP", sp2_GAP},
{"HOLD", sp2_HOLD},
{"LEFT", sp2_LEFT},
{"MILL", sp2_MILL},
{"UH", sp2_UH},
{"PAST", sp2_PAST},
{"PRESS", sp2_PRESS},
{"RANGE", sp2_RANGE},
{"SAFE", sp2_SAFE},
{"SOUTH", sp2_SOUTH},
{"TURN", sp2_TURN},
{"YELLOW", sp2_YELLOW},
{"YELLOW", sp2_YELLOW},
};
const int wordCount = sizeof(words) / sizeof(words[0]);
void speakWord(const char* w) {
for (int i = 0; i < wordCount; i++) {
if (strcasecmp(w, words[i].text) == 0) {
voice.say(words[i].lpc);
return;
}
}
Serial.print("Word not found in vocab: ");
Serial.println(w);
}
void setup() {
Serial.begin(9600);
Serial.println("Type your sentence in capital letters. Example: HELLO WORLD");
}
void loop() {
if (Serial.available() > 0) {
String line = Serial.readStringUntil('\n');
line.trim();
line.toUpperCase();
// Split sentence into words
int start = 0;
for (int i = 0; i <= line.length(); i++) {
if (i == line.length() || line[i] == ' ') {
String w = line.substring(start, i);
speakWord(w.c_str());
start = i + 1;
}
}
}
}
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