WIP
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@@ -37,6 +37,7 @@ extern bool NewMin; // pass to main ino = minute ready to print
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extern bool NewHour; // pass to main ino = Hour ready to print
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extern time_t Loc_t; // pass to main ino = Local timestamp
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extern volatile unsigned long tmr_SQW, tmr_PPS;
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// call from main ino, GPS_RTC_Clock.h
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void GPS_RTC_Clock_setup();
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@@ -22,13 +22,15 @@ LiquidCrystal_I2C lcd(0x27, 16, 2);
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char TempBuf[5] = "99.9"; // demo value
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char HumiBuf[3] = "99"; // demo value
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unsigned long TMR_FPS;
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bool LCD_Simple_clock;
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void RTCtoLCD(bool ClockType = LCD_Simple_clock) {
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if (millis() < 2000) ClockType = true;
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else if (!NewSec && !NewMin && !NewHour) return;
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if (!NewSec && !NewMin && !NewHour) return;
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char Clock[9];
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char segment[3];
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char message[50];
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if (ClockType) {
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snprintf(Clock, sizeof(Clock), "%.2u:%.2u:%.2u", hour(Loc_t), minute(Loc_t), second(Loc_t));
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@@ -40,16 +42,22 @@ void RTCtoLCD(bool ClockType = LCD_Simple_clock) {
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lcd.setCursor(6, 0);
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lcd.print(segment);
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}
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if (NewMin) {
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snprintf(segment, sizeof(segment),"%.2u", minute(Loc_t));
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lcd.setCursor(3, 0);
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lcd.print(segment);
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}
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if (NewHour) {
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snprintf(segment, sizeof(segment),"%.2u", hour(Loc_t));
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lcd.setCursor(0, 0);
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lcd.print(segment);
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}
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//Serial.print("DEBUG[RTCtoLCD] millis(): "); Serial.println(micros());
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// long drift = tmr_PPS - tmr_SQW;
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//Serial.println("DEBUG[RTCtoLCD] Difference PPS - SQW: " + String(drift) + "[" + String(tmr_PPS) + "]" + "[" + String(tmr_SQW) + "]");
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// lcd.setCursor(15, 1);
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// lcd.print((micros() - tmr_PPS < 2000000) ? "P" : "p"); // Выводим "P" или "p" на 16 позиции в зависимости от условия
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// snprintf(message, sizeof(message), "micros: %d, tmr_PPS: %d", millis(), tmr_PPS);
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// Serial.println(message);
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}
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void setup() { // the setup function runs once when you press reset or power the board
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@@ -85,8 +93,27 @@ void loop() { // the loop function runs over and over again forever
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RTCtoLCD();
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PrintSec();
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PrintHour();
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chkFPS();
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}
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/////////////////////
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void chkFPS() {
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int FPS;
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if (millis() - TMR_FPS > 1000) {
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Serial.println(TMR_FPS);
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Serial.println(millis());
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TMR_FPS = millis();
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Serial.print("DEBUG[chkFPS] "); Serial.println(FPS);
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FPS = 0;
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return;
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}
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FPS++;
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}
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void PrintSec() { // print time if new second
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if (NewSec) { //
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NewSec = false; // remove flag, do only once every sec
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22
GPS_com.cpp
22
GPS_com.cpp
@@ -10,10 +10,11 @@
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#include <TimeLib.h> // https://github.com/PaulStoffregen/Time
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#include "GPS_com.h"
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#include "RTC_com.h" // to set the RTC
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#include "Serial_AdjustBaud.h" // for adjust serial port baudrate
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#define cfg_pin_GPS_PPS 2;
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//#define cfg_pin_GPS_Rx 4;
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//#define cfg_pin_GPS_Tx 5;
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#define cfg_pin_GPS_PPS 2
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#define cfg_pin_GPS_Rx 8
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//#define cfg_pin_GPS_Tx 9;
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// add the static modifier to limit visibility of these variables to just this file
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static byte GPS_PPS_PIN = cfg_pin_GPS_PPS; // Pin 2 = NANO INT0, GPS PPS interrupt signal on this Pin
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@@ -22,9 +23,12 @@ static int pulse_count = 0;
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static time_t gps_seconds_t = 0; // GPS time
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static byte gps_sats = 0;
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volatile bool GPS_sec = false; // flag for GPS-PPS
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volatile unsigned long tmr_PPS;
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// set interrupt flag
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void gps_interrupt() {
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tmr_PPS = micros();
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Serial.print("DEBUG[INT] GPS interrupt: "); Serial.println(tmr_PPS);
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//Serial.print("DEBUG[INT] GPS interrupt "); Serial.println(micros());
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GPS_sec = true;
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}
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@@ -32,7 +36,7 @@ void gps_interrupt() {
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NMEAGPS gps; // This parses the GPS characters
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gps_fix fix; // This holds on to the latest values
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#include <AltSoftSerial.h>
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//#include <AltSoftSerial.h>
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#include <GPSport.h> // use only for soft-serial
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//#define gpsPort Serial
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//#define GPS_PORT_NAME "Serial"
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@@ -67,11 +71,18 @@ const long POSIX_Y2K_offset = 946684800; // = 10957 days = 30 years, NeoTime (G
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const long offset_28y = 883612800; // = 10227 days = 28 years, simple test for 2038 bug
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const long offset_26w = 15724800; // = 182 days = 26 weeks, simple test for timezone
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const long offset_135 = 123456; // = 135 seconds, simple test for timezone
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const char baud19200 [] PROGMEM = "PUBX,41,1,3,3,19200,0";
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void GPS_setup() {
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pinMode(GPS_PPS_PIN, INPUT_PULLUP); // enable pullup on interrupt pin
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attachInterrupt(digitalPinToInterrupt(GPS_PPS_PIN), gps_interrupt, RISING); // 100ms HIGH at start of second
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GPS_sec = false;
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gpsPort.begin(19200); // set PC to same baudrate for debug messages
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gpsPort.begin(9600); // set PC to same baudrate for debug messages
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gps.send_P(&gpsPort, (const __FlashStringHelper *) baud19200);
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gpsPort.flush();
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delay(100);
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gpsPort.end();
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gpsPort.begin(19200);
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GPS_ON();
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}
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@@ -91,6 +102,7 @@ void GPS_PPS() { // do something on the flip of the GPS second
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// gps_seconds_t += offset_28y; // debug & testing only!
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// gps_seconds_t += offset_26w; // debug & testing only!
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// gps_seconds_t += offset_135;
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Serial.println("DEBUG[GPS_PPS] difference PPS - SQW: " + String(tmr_PPS - tmr_SQW));
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SetRTC(gps_seconds_t); // sync RTC with GPS
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GPS_OFF();
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}
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@@ -24,8 +24,10 @@ bool SyncErr = true;
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DS3232RTC myRTC(0x68); // cfg_
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volatile bool RTC_sec = false; // flag for PseudoPPS
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static unsigned long RTCMillis; // blinking timer
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volatile unsigned long tmr_SQW;
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void rtc_interrupt() {
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tmr_SQW = micros();
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//Serial.print("DEBUG[INT] RTC interrupt "); Serial.println(micros());
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RTCMillis = millis();
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RTC_sec = true;
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49
Serial_AdjustBaud.h
Normal file
49
Serial_AdjustBaud.h
Normal file
@@ -0,0 +1,49 @@
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/**
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* Функция для вычисления и возврата скорости передачи данных (baud rate) на основе полученного входного пина.
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*
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* @param recpin входной пин для определения скорости передачи данных
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*
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* @return рассчитанная скорость передачи данных на основе измеренной ширины нулевого бита
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*/
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long detRate(int recpin){
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long baud, x, rate = 10000;
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// Цикл для измерения ширины нулевого бита
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for (int i = 0; i < 15; i++){
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// Ожидание начала низкого бита
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while(digitalRead(recpin) == 1)
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x = pulseIn(recpin, LOW); // Измерение ширины следующего нулевого бита
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rate = x < rate ? x : rate; // Обновление минимальной ширины нулевого бита
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}
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// Определение скорости передачи данных на основе измеренной ширины нулевого бита
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if (rate < 12)
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baud = 115200;
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else if (rate < 20)
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baud = 57600;
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else if (rate < 29)
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baud = 38400;
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else if (rate < 40)
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baud = 28800;
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else if (rate < 60)
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baud = 19200;
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else if (rate < 80)
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baud = 14400;
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else if (rate < 150)
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baud = 9600;
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else if (rate < 300)
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baud = 4800;
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else if (rate < 600)
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baud = 2400;
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else if (rate < 1200)
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baud = 1200;
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else if (rate < 2400)
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baud = 600;
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else if (rate < 4800)
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baud = 300;
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else
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baud = 0;
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return baud; // Возврат рассчитанной скорости передачи данных
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}
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