/* stupid atenna matrix firmware - by DL3SD * FIXME: * - replace delay in loop by interrupt handling * - maybe implement sleep mode to avoid hf issues by arduino clock */ #include #include #include #define MODES 6 #define VERSION "v0.2" #define pin_K1 8 #define pin_K2 7 #define pin_K3 6 #define pin_K4 5 #define pin_K5 4 #define pin_K6 3 #define pin_T 12 struct state { char name[4]; bool K1; bool K2; bool K3; bool K4; bool K5; bool K6; }; struct identifier { char ant[3][16]; char trx[3][16]; }; struct identifier names; const struct state matrix[] = { {"123", 0, 0, 0, 0, 0, 0}, // ANT1->TRX1 ANT2->TRX2 ANT3->TRX3 {"213", 1, 0, 1, 0, 0, 0}, // ANT1->TRX2 ANT2->TRX1 ANT3->TRX3 {"312", 1 ,1, 1, 0, 1, 0}, // ANT1->TRX3 ANT2->TRX1 ANT3->TRX2 {"132", 0 ,0, 1, 1, 1, 0}, // ANT1->TRX1 ANT2->TRX3 ANT3->TRX2 {"231", 1 ,0 ,1, 1, 1, 1}, // ANT1->TRX2 ANT2->TRX3 ANT3->TRX1 {"321", 1 ,1 ,0, 0, 1, 1}, // ANT1->TRX3 ANT2->TRX2 ANT3->TRX1 }; int mode; LiquidCrystal_I2C lcd(0x27, 20, 4); void setup() { Serial.begin(9600); Serial.print(F("[S] configuring pins..")); pinMode(pin_K1, OUTPUT); pinMode(pin_K2, OUTPUT); pinMode(pin_K3, OUTPUT); pinMode(pin_K4, OUTPUT); pinMode(pin_K5, OUTPUT); pinMode(pin_K6, OUTPUT); pinMode(pin_T, INPUT); Serial.println("done"); Serial.print(F("[S] loading identifiers from EEPROM..")); EEPROM.get(0, names); Serial.println("done"); Serial.print(F("[S] initializing display..")); lcd.init(); lcd.backlight(); Serial.println("done"); Serial.print(F("[S] initializing relays with mode 123..")); setMode("123"); setRelays(0); Serial.println("done"); Serial.print(F("[S] showing bootsplash..")); bootSplash(); Serial.println("done"); printMatrix(); Serial.println("[S] setup finished"); } void bootSplash() { lcd.setCursor(8,0); lcd.print(F("stupid")); delay(350); lcd.setCursor(7,1); lcd.print(F("antenna")); delay(350); lcd.setCursor(8,2); lcd.print(F("matrix")); delay(350); lcd.setCursor(4,3); lcd.print(VERSION); lcd.print(F(" by DL3SD")); delay(3000); lcd.clear(); lcd.setCursor(8,0); lcd.print(F("see")); lcd.setCursor(0,1); lcd.print(F("github.com/denzs/sam")); lcd.setCursor(0,2); lcd.print(F("for more information")); delay(5000); } void storeName(char *dst, char *src) { strncpy(dst, src, strlen(src)); dst[strlen(src) - 1] = '\0'; } void printMatrix() { char m[4], out[32]; int c; strcpy(m, matrix[mode].name); lcd.clear(); lcd.setCursor(3,0); lcd.print(F("S.A.M. by DL3SD")); for(int i=0; i < 3; i++) { c = m[i]-48; lcd.setCursor(0, i+1); lcd.print(names.trx[i]); lcd.setCursor(9, i+1); sprintf(out, "<- %s", names.ant[c-1]); lcd.print(out); } } void setRelays(bool display) { digitalWrite(pin_K1, matrix[mode].K1); digitalWrite(pin_K2, matrix[mode].K2); digitalWrite(pin_K3, matrix[mode].K3); digitalWrite(pin_K4, matrix[mode].K4); digitalWrite(pin_K5, matrix[mode].K5); digitalWrite(pin_K6, matrix[mode].K6); if (display) { printMatrix(); } } void nextMode() { if(mode == MODES - 1) { mode = 0; } else { mode++; } Serial.print("[M] "); Serial.println(matrix[mode].name); setRelays(1); } void setMode(char *m) { char debug[32]; m[3] = '\0'; for(int i=0 ; i < MODES; i++) { //sprintf(debug, "[D] comparing %s against %s", m, matrix[i].name); //Serial.println(debug); if(strcmp(matrix[i].name, m) == 0) { mode = i; //sprintf(debug, "found mode %s at index %d", m, i); //Serial.println(debug); return; } } sprintf(debug, "[E] cant find mode %s", m); Serial.println(debug); return; } void parseCommand(String s) { switch (s[0]) { case 'a': switch (s[1]) { case '1': case '2': case '3': storeName(names.ant[(int)s[1] - 49], &s[2]); printMatrix(); break; default: Serial.println("unsupported option"); //Serial.println(); break; } break; case 't': switch (s[1]) { case '1': case '2': case '3': storeName(names.trx[(int)s[1] - 49], &s[2]); printMatrix(); break; default: Serial.println("unsupported option"); //Serial.println(); break; } break; case 'm': if(s.length() == 5) { setMode(&s[1]); setRelays(1); } Serial.print("[M] "); Serial.println(matrix[mode].name); //Serial.println(); break; case 'n': nextMode(); break; case 'h': Serial.print(F("[I] commands available in ")); Serial.println(VERSION); Serial.println(F("[I] a1mygreatantenna1 - sets name of ANT1 to mygreatantenna1")); Serial.println(F("[I] a2mygreatantenna2 - sets name of ANT2 to mygreatantenna2")); Serial.println(F("[I] a3mygreatantenna3 - sets name of ANT3 to mygreatantenna3")); Serial.println(F("[I] t1mygreatrig1 - sets name of TRX1 to mygreatrig1")); Serial.println(F("[I] t2mygreatrig2 - sets name of TRX2 to mygreatrig2")); Serial.println(F("[I] t3mygreatrig3 - sets name of TRX3 to mygreatrig3")); Serial.println(F("[I] m312 - activate matrix 312 (I1->O3 I2->O1 I3->O2)")); Serial.println(F("[I] m - print current matrix")); Serial.println(F("[I] n - goto next matrix entry")); Serial.println(F("[I] r - print runtime settings")); Serial.println(F("[I] w - store runtime settings to EEPROM")); Serial.println(F("[I] h - print this help text")); //Serial.println(); break; case 'w': EEPROM.put(0, names); Serial.println(F("[S] runtime settings stored in EEPROM")); break; case 'r': Serial.println(F("[I] current runtime settings:")); Serial.print(F("[R] ANT1: ")); Serial.println(names.ant[0]); Serial.print(F("[R] ANT2: ")); Serial.println(names.ant[1]); Serial.print(F("[R] ANT3: ")); Serial.println(names.ant[2]); Serial.print(F("[R] TRX1: ")); Serial.println(names.trx[0]); Serial.print(F("[R] TRX2: ")); Serial.println(names.trx[1]); Serial.print(F("[R] TRX3: ")); Serial.println(names.trx[2]); Serial.println(F("[I] -> dont forget to write to EEPROM with 'w' after modifying")); //Serial.println(); break; default: Serial.println(F("[E] command not found - enter 'h' for help")); //Serial.println(); break; } } void loop() { String s; if (Serial.available() > 0) { s = Serial.readString(); parseCommand(s); } if(digitalRead(pin_T) == HIGH) { //Serial.println("button pressed.."); nextMode(); } delay(300); }