This commit is contained in:
135
2024-07-25 10:14:40 +03:00
parent 1ae6e04559
commit 7cccb3306c
5 changed files with 100 additions and 9 deletions

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@@ -37,6 +37,7 @@ extern bool NewMin; // pass to main ino = minute ready to print
extern bool NewHour; // pass to main ino = Hour ready to print extern bool NewHour; // pass to main ino = Hour ready to print
extern time_t Loc_t; // pass to main ino = Local timestamp extern time_t Loc_t; // pass to main ino = Local timestamp
extern volatile unsigned long tmr_SQW, tmr_PPS;
// call from main ino, GPS_RTC_Clock.h // call from main ino, GPS_RTC_Clock.h
void GPS_RTC_Clock_setup(); void GPS_RTC_Clock_setup();

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@@ -22,13 +22,15 @@ LiquidCrystal_I2C lcd(0x27, 16, 2);
char TempBuf[5] = "99.9"; // demo value char TempBuf[5] = "99.9"; // demo value
char HumiBuf[3] = "99"; // demo value char HumiBuf[3] = "99"; // demo value
unsigned long TMR_FPS;
bool LCD_Simple_clock; bool LCD_Simple_clock;
void RTCtoLCD(bool ClockType = LCD_Simple_clock) { void RTCtoLCD(bool ClockType = LCD_Simple_clock) {
if (millis() < 2000) ClockType = true; if (!NewSec && !NewMin && !NewHour) return;
else if (!NewSec && !NewMin && !NewHour) return;
char Clock[9]; char Clock[9];
char segment[3]; char segment[3];
char message[50];
if (ClockType) { if (ClockType) {
snprintf(Clock, sizeof(Clock), "%.2u:%.2u:%.2u", hour(Loc_t), minute(Loc_t), second(Loc_t)); snprintf(Clock, sizeof(Clock), "%.2u:%.2u:%.2u", hour(Loc_t), minute(Loc_t), second(Loc_t));
@@ -40,16 +42,22 @@ void RTCtoLCD(bool ClockType = LCD_Simple_clock) {
lcd.setCursor(6, 0); lcd.setCursor(6, 0);
lcd.print(segment); lcd.print(segment);
} }
if (NewMin) { if (NewMin) {
snprintf(segment, sizeof(segment),"%.2u", minute(Loc_t)); snprintf(segment, sizeof(segment),"%.2u", minute(Loc_t));
lcd.setCursor(3, 0); lcd.setCursor(3, 0);
lcd.print(segment); lcd.print(segment);
}
if (NewHour) {
snprintf(segment, sizeof(segment),"%.2u", hour(Loc_t)); snprintf(segment, sizeof(segment),"%.2u", hour(Loc_t));
lcd.setCursor(0, 0); lcd.setCursor(0, 0);
lcd.print(segment); lcd.print(segment);
} }
//Serial.print("DEBUG[RTCtoLCD] millis(): "); Serial.println(micros());
// long drift = tmr_PPS - tmr_SQW;
//Serial.println("DEBUG[RTCtoLCD] Difference PPS - SQW: " + String(drift) + "[" + String(tmr_PPS) + "]" + "[" + String(tmr_SQW) + "]");
// lcd.setCursor(15, 1);
// lcd.print((micros() - tmr_PPS < 2000000) ? "P" : "p"); // Выводим "P" или "p" на 16 позиции в зависимости от условия
// snprintf(message, sizeof(message), "micros: %d, tmr_PPS: %d", millis(), tmr_PPS);
// Serial.println(message);
} }
void setup() { // the setup function runs once when you press reset or power the board void setup() { // the setup function runs once when you press reset or power the board
@@ -85,8 +93,27 @@ void loop() { // the loop function runs over and over again forever
RTCtoLCD(); RTCtoLCD();
PrintSec(); PrintSec();
PrintHour(); PrintHour();
chkFPS();
} }
/////////////////////
void chkFPS() {
int FPS;
if (millis() - TMR_FPS > 1000) {
Serial.println(TMR_FPS);
Serial.println(millis());
TMR_FPS = millis();
Serial.print("DEBUG[chkFPS] "); Serial.println(FPS);
FPS = 0;
return;
}
FPS++;
}
void PrintSec() { // print time if new second void PrintSec() { // print time if new second
if (NewSec) { // if (NewSec) { //
NewSec = false; // remove flag, do only once every sec NewSec = false; // remove flag, do only once every sec

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@@ -10,10 +10,11 @@
#include <TimeLib.h> // https://github.com/PaulStoffregen/Time #include <TimeLib.h> // https://github.com/PaulStoffregen/Time
#include "GPS_com.h" #include "GPS_com.h"
#include "RTC_com.h" // to set the RTC #include "RTC_com.h" // to set the RTC
#include "Serial_AdjustBaud.h" // for adjust serial port baudrate
#define cfg_pin_GPS_PPS 2; #define cfg_pin_GPS_PPS 2
//#define cfg_pin_GPS_Rx 4; #define cfg_pin_GPS_Rx 8
//#define cfg_pin_GPS_Tx 5; //#define cfg_pin_GPS_Tx 9;
// add the static modifier to limit visibility of these variables to just this file // add the static modifier to limit visibility of these variables to just this file
static byte GPS_PPS_PIN = cfg_pin_GPS_PPS; // Pin 2 = NANO INT0, GPS PPS interrupt signal on this Pin static byte GPS_PPS_PIN = cfg_pin_GPS_PPS; // Pin 2 = NANO INT0, GPS PPS interrupt signal on this Pin
@@ -22,9 +23,12 @@ static int pulse_count = 0;
static time_t gps_seconds_t = 0; // GPS time static time_t gps_seconds_t = 0; // GPS time
static byte gps_sats = 0; static byte gps_sats = 0;
volatile bool GPS_sec = false; // flag for GPS-PPS volatile bool GPS_sec = false; // flag for GPS-PPS
volatile unsigned long tmr_PPS;
// set interrupt flag // set interrupt flag
void gps_interrupt() { void gps_interrupt() {
tmr_PPS = micros();
Serial.print("DEBUG[INT] GPS interrupt: "); Serial.println(tmr_PPS);
//Serial.print("DEBUG[INT] GPS interrupt "); Serial.println(micros()); //Serial.print("DEBUG[INT] GPS interrupt "); Serial.println(micros());
GPS_sec = true; GPS_sec = true;
} }
@@ -32,7 +36,7 @@ void gps_interrupt() {
NMEAGPS gps; // This parses the GPS characters NMEAGPS gps; // This parses the GPS characters
gps_fix fix; // This holds on to the latest values gps_fix fix; // This holds on to the latest values
#include <AltSoftSerial.h> //#include <AltSoftSerial.h>
#include <GPSport.h> // use only for soft-serial #include <GPSport.h> // use only for soft-serial
//#define gpsPort Serial //#define gpsPort Serial
//#define GPS_PORT_NAME "Serial" //#define GPS_PORT_NAME "Serial"
@@ -67,11 +71,18 @@ const long POSIX_Y2K_offset = 946684800; // = 10957 days = 30 years, NeoTime (G
const long offset_28y = 883612800; // = 10227 days = 28 years, simple test for 2038 bug const long offset_28y = 883612800; // = 10227 days = 28 years, simple test for 2038 bug
const long offset_26w = 15724800; // = 182 days = 26 weeks, simple test for timezone const long offset_26w = 15724800; // = 182 days = 26 weeks, simple test for timezone
const long offset_135 = 123456; // = 135 seconds, simple test for timezone const long offset_135 = 123456; // = 135 seconds, simple test for timezone
const char baud19200 [] PROGMEM = "PUBX,41,1,3,3,19200,0";
void GPS_setup() { void GPS_setup() {
pinMode(GPS_PPS_PIN, INPUT_PULLUP); // enable pullup on interrupt pin pinMode(GPS_PPS_PIN, INPUT_PULLUP); // enable pullup on interrupt pin
attachInterrupt(digitalPinToInterrupt(GPS_PPS_PIN), gps_interrupt, RISING); // 100ms HIGH at start of second attachInterrupt(digitalPinToInterrupt(GPS_PPS_PIN), gps_interrupt, RISING); // 100ms HIGH at start of second
GPS_sec = false; GPS_sec = false;
gpsPort.begin(19200); // set PC to same baudrate for debug messages gpsPort.begin(9600); // set PC to same baudrate for debug messages
gps.send_P(&gpsPort, (const __FlashStringHelper *) baud19200);
gpsPort.flush();
delay(100);
gpsPort.end();
gpsPort.begin(19200);
GPS_ON(); GPS_ON();
} }
@@ -91,6 +102,7 @@ void GPS_PPS() { // do something on the flip of the GPS second
// gps_seconds_t += offset_28y; // debug & testing only! // gps_seconds_t += offset_28y; // debug & testing only!
// gps_seconds_t += offset_26w; // debug & testing only! // gps_seconds_t += offset_26w; // debug & testing only!
// gps_seconds_t += offset_135; // gps_seconds_t += offset_135;
Serial.println("DEBUG[GPS_PPS] difference PPS - SQW: " + String(tmr_PPS - tmr_SQW));
SetRTC(gps_seconds_t); // sync RTC with GPS SetRTC(gps_seconds_t); // sync RTC with GPS
GPS_OFF(); GPS_OFF();
} }

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@@ -24,8 +24,10 @@ bool SyncErr = true;
DS3232RTC myRTC(0x68); // cfg_ DS3232RTC myRTC(0x68); // cfg_
volatile bool RTC_sec = false; // flag for PseudoPPS volatile bool RTC_sec = false; // flag for PseudoPPS
static unsigned long RTCMillis; // blinking timer static unsigned long RTCMillis; // blinking timer
volatile unsigned long tmr_SQW;
void rtc_interrupt() { void rtc_interrupt() {
tmr_SQW = micros();
//Serial.print("DEBUG[INT] RTC interrupt "); Serial.println(micros()); //Serial.print("DEBUG[INT] RTC interrupt "); Serial.println(micros());
RTCMillis = millis(); RTCMillis = millis();
RTC_sec = true; RTC_sec = true;

49
Serial_AdjustBaud.h Normal file
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@@ -0,0 +1,49 @@
/**
* Функция для вычисления и возврата скорости передачи данных (baud rate) на основе полученного входного пина.
*
* @param recpin входной пин для определения скорости передачи данных
*
* @return рассчитанная скорость передачи данных на основе измеренной ширины нулевого бита
*/
long detRate(int recpin){
long baud, x, rate = 10000;
// Цикл для измерения ширины нулевого бита
for (int i = 0; i < 15; i++){
// Ожидание начала низкого бита
while(digitalRead(recpin) == 1)
x = pulseIn(recpin, LOW); // Измерение ширины следующего нулевого бита
rate = x < rate ? x : rate; // Обновление минимальной ширины нулевого бита
}
// Определение скорости передачи данных на основе измеренной ширины нулевого бита
if (rate < 12)
baud = 115200;
else if (rate < 20)
baud = 57600;
else if (rate < 29)
baud = 38400;
else if (rate < 40)
baud = 28800;
else if (rate < 60)
baud = 19200;
else if (rate < 80)
baud = 14400;
else if (rate < 150)
baud = 9600;
else if (rate < 300)
baud = 4800;
else if (rate < 600)
baud = 2400;
else if (rate < 1200)
baud = 1200;
else if (rate < 2400)
baud = 600;
else if (rate < 4800)
baud = 300;
else
baud = 0;
return baud; // Возврат рассчитанной скорости передачи данных
}