ESP8266模拟GPS时间报文

tanglinghai · 发表于 2022-6-29 17:37:31

1、模块ESP8266 ESP-01
2、连接通过手机扫描二维码配置模块网络
3、模块连接网络后，从NTP服务器获取时间、日期信息
4、将获取的时间、日期信息转换为NEMA0183RMC（GPS）报文格式从串口输出
5、RMC报文只需ID、UTC时间、状态A、UTC日期字段
例：$GPRMC,121252.000,A,,,,,,,070322,,,6、串口波特率9600

72hour · 发表于 2022-6-29 18:29:14

以前刚好搬过一个代码！拿去用吧

#include <ESP8266WiFi.h>
#include <WiFiUdp.h>
//needed for library
#include <ESP8266WebServer.h>
#include <DNSServer.h>
#include <WiFiManager.h> //https://github.com/tzapu/WiFiManager
// select which pin will trigger the configuration portal when set to LOW
// ESP-01 users please note: the only pins available (0 and 2), are shared
// with the bootloader, so always set them HIGH at power-up
#define TRIGGER_PIN 0
//NTP
#define time_zone 0 //时区（要格林尼治时间加减的小时，北京为东八区，要将格林威治时间+8小时）
unsigned int localPort = 2390; // local port to listen for UDP packets
/* Don't hardwire the IP address or we won't get the benefits of the pool.
Lookup the IP address for the host name instead */
//IPAddress timeServer(129, 6, 15, 28); // time.nist.gov NTP server
IPAddress timeServerIP; // time.nist.gov NTP server address
const char* ntpServerName = "ntp1.aliyun.com";
const int NTP_PACKET_SIZE = 48; // NTP time stamp is in the first 48 bytes of the message
byte packetBuffer[ NTP_PACKET_SIZE]; //buffer to hold incoming and outgoing packets
// A UDP instance to let us send and receive packets over UDP
WiFiUDP udp;
void setup()
{
pinMode(TRIGGER_PIN, INPUT);
//初始化
Serial.begin(9600);//串口波特率115200
delay(1000);
delay(5000);
pinMode(LED_BUILTIN, OUTPUT);
Serial.println("\n Starting");
digitalWrite(LED_BUILTIN, HIGH);
// is configuration portal requested?
if ( digitalRead(TRIGGER_PIN) == LOW ) {
// turn the LED on (HIGH is the voltage level)
//WiFiManager
//Local intialization. Once its business is done, there is no need to keep it around
WiFiManager wifiManager;
digitalWrite(LED_BUILTIN, LOW);
//reset settings - for testing
//wifiManager.resetSettings();
//sets timeout until configuration portal gets turned off
//useful to make it all retry or go to sleep
//in seconds
//wifiManager.setTimeout(120);
//it starts an access point with the specified name
//here "AutoConnectAP"
//and goes into a blocking loop awaiting configuration
//WITHOUT THIS THE AP DOES NOT SEEM TO WORK PROPERLY WITH SDK 1.5 , update to at least 1.5.1
//WiFi.mode(WIFI_STA);
if (!wifiManager.startConfigPortal("LED-Clock")) {
Serial.println("failed to connect and hit timeout");
delay(3000);
//reset and try again, or maybe put it to deep sleep
ESP.reset();
delay(5000);
}
//if you get here you have connected to the WiFi
Serial.println("connected...yeey :)");
}
digitalWrite(LED_BUILTIN, HIGH); // turn the LED off by making the voltage LOW
delay(1000);
udp.begin(localPort);
Serial.print("Local port: ");
Serial.println(udp.localPort());
}
void loop()
{
if (WiFi.status() != WL_CONNECTED)
{
Serial.println(".");
delay(1000);
}
else
{
//get a random server from the pool
WiFi.hostByName(ntpServerName, timeServerIP);
sendNTPpacket(timeServerIP); // send an NTP packet to a time server
// wait to see if a reply is available
delay(5000);
int cb = udp.parsePacket();
if (!cb) {
// Serial.println("no packet yet");
Serial.println("$GPRMC,000000.KLE,V,,,,,,,08092019,,,,");
Serial.println("$BDRMC,000000.KLE,V,,,,,,,08092019,,,,");
return;
}
else {
//NTP
// Serial.print("packet received, length=");
// Serial.println(cb);
// We've received a packet, read the data from it
udp.read(packetBuffer, NTP_PACKET_SIZE); // read the packet into the buffer
//the timestamp starts at byte 40 of the received packet and is four bytes,
// or two words, long. First, esxtract the two words:
unsigned long highWord = word(packetBuffer[40], packetBuffer[41]);
unsigned long lowWord = word(packetBuffer[42], packetBuffer[43]);
// combine the four bytes (two words) into a long integer
// this is NTP time (seconds since Jan 1 1900):
unsigned long secsSince1900 = highWord << 16 | lowWord;
// Serial.print("Seconds since Jan 1 1900 = " );
// Serial.println(secsSince1900);
// now convert NTP time into everyday time:
// Serial.print("Unix time = ");
// Unix time starts on Jan 1 1970. In seconds, that's 2208988800:
const unsigned long seventyYears = 2208988800UL;
// subtract seventy years:
unsigned long epoch = secsSince1900 - seventyYears;
// print Unix time:
// Serial.println(epoch);
unsigned long Time = time_zone * 3600 + epoch;
unsigned long Y2KTime = (Time - 946684800) / 86400;//从2000年开始的天数
unsigned long YTime;//从今年开始的天数
unsigned int Year;
unsigned int Month = 0;
unsigned long Day;
unsigned int shi;
unsigned int fen;
unsigned int miao;
//日期
if (Y2KTime % 146097 <= 36525)
{
Year = 2000 + Y2KTime / 146097 * 400 + Y2KTime % 146097 / 1461 * 4 + (Y2KTime % 146097 % 1461 - 1) / 365;
YTime = (Y2KTime % 146097 % 1461 - 1) % 365 + 1;
}
else
{
Year = 2000 + Y2KTime / 146097 * 400 + (Y2KTime % 146097 - 1) / 36524 * 100 + ((Y2KTime % 146097 - 1) % 36524 + 1) / 1461 * 4 + (((Y2KTime % 146097 - 1) % 36524 + 1) % 1461 - 1) / 365;
YTime = (((Y2KTime % 146097 - 1) % 36524 + 1) % 1461 - 1) % 365 + 1;
}
Day = YTime;
unsigned char f = 1; //循环标志
while (f)
{
switch (Month)
{
case 0:
if (Day < 31)
f = 0;
else
Day -= 31;
break;
case 1:
if (Day < 29)
f = 0;
else
{
if (LY(Year))
{
Day -= 29;
}
else
{
Day -= 28;
}
}
break;
case 2:
if (Day < 31)
f = 0;
else
Day -= 31;
break;
case 3:
if (Day < 30)
f = 0;
else
Day -= 30;
break;
case 4:
if (Day < 31)
f = 0;
else
Day -= 31;
break;
case 5:
if (Day < 30)
f = 0;
else
Day -= 30;
break;
case 6:
if (Day < 31)
f = 0;
else
Day -= 31;
break;
case 7:
if (Day < 31)
f = 0;
else
Day -= 31;
break;
case 8:
if (Day < 30)
f = 0;
else
Day -= 30;
break;
case 9:
if (Day < 31)
f = 0;
else
Day -= 31;
break;
case 10:
if (Day < 30)
f = 0;
else
Day -= 30;
break;
case 11:
if (Day < 31)
f = 0;
else
Day -= 31;
break;
}
Month += 1;
}
Day += 1;
/***星期
switch (Y2KTime % 7) //2000年1月1日是星期六
{
case 0: display.drawBitmap(112, 48, weekData6, 16, 16, WHITE); break;
case 1: display.drawBitmap(112, 48, weekData7, 16, 16, WHITE); break;
case 2: display.drawBitmap(112, 48, weekData1, 16, 16, WHITE); break;
case 3: display.drawBitmap(112, 48, weekData2, 16, 16, WHITE); break;
case 4: display.drawBitmap(112, 48, weekData3, 16, 16, WHITE); break;
case 5: display.drawBitmap(112, 48, weekData4, 16, 16, WHITE); break;
case 6: display.drawBitmap(112, 48, weekData5, 16, 16, WHITE); break;
}
***/
//时间
// print the hour, minute and second:
if ((Time % 86400L) / 3600 < 10)
{
shi = 0;
// Serial.print('00');
}
// Serial.print("The time is "); // UTC is the time at Greenwich Meridian (GMT)
// Serial.print((Time % 86400L) / 3600); // print the hour (86400 equals secs per day)
shi = ((Time % 86400L) / 3600);
// Serial.print(':');
if ( ((Time % 3600) / 60) < 10 ) {
// In the first 10 minutes of each hour, we'll want a leading '0'
// Serial.print('0');
fen = 0;
}
fen = fen + ((Time % 3600) / 60);
// Serial.print((Time % 3600) / 60); // print the minute (3600 equals secs per minute)
// Serial.print(':');
if ( (Time % 60) < 10 ) {
// In the first 10 seconds of each minute, we'll want a leading '0'
// Serial.print('0');
miao = 0;
}
miao = miao + (Time % 60);
// Serial.print(Time % 60); // print the second
//China time:23/3/2018 - 17:15:48 - Friday
//$GPRMC,091548.lbq,A,,,,,,,230318,,,,
Serial.print("$GPRMC,");
if (shi<10){Serial.print('0');}
Serial.print(shi);
if (fen<10){Serial.print('0');}
Serial.print(fen);
if (miao<10){Serial.print('0');}
Serial.print(miao);
Serial.print(".KLE,A,,,,,,,");
if ( (Day) < 10 ) {Serial.print('0');}
Serial.print(Day);
if ( (Month) < 10 ) {Serial.print('0');}
Serial.print(Month);
Serial.print(Year);
Serial.println(",,,,");
//$BDRMC,091548.lbq,A,,,,,,,230318,,,,
Serial.print("$BDRMC,");
if (shi<10){Serial.print('0');}
Serial.print(shi);
if (fen<10){Serial.print('0');}
Serial.print(fen);
if (miao<10){Serial.print('0');}
Serial.print(miao);
Serial.print(".KLE,A,,,,,,,");
if ( (Day) < 10 ) {Serial.print('0');}
Serial.print(Day);
if ( (Month) < 10 ) {Serial.print('0');}
Serial.print(Month);
Serial.print(Year);
Serial.println(",,,,");
}
// display.update();
}
}
// send an NTP request to the time server at the given address
unsigned long sendNTPpacket(IPAddress& address)
{
// Serial.println("sending NTP packet...");
// set all bytes in the buffer to 0
memset(packetBuffer, 0, NTP_PACKET_SIZE);
// Initialize values needed to form NTP request
// (see URL above for details on the packets)
packetBuffer[0] = 0b11100011; // LI, Version, Mode
packetBuffer[1] = 0; // Stratum, or type of clock
packetBuffer[2] = 6; // Polling Interval
packetBuffer[3] = 0xEC; // Peer Clock Precision
// 8 bytes of zero for Root Delay & Root Dispersion
packetBuffer[12] = 49;
packetBuffer[13] = 0x4E;
packetBuffer[14] = 49;
packetBuffer[15] = 52;
// all NTP fields have been given values, now
// you can send a packet requesting a timestamp:
udp.beginPacket(address, 123); //NTP requests are to port 123
udp.write(packetBuffer, NTP_PACKET_SIZE);
udp.endPacket();
}
unsigned char LY(unsigned int y)//判断是否为闰年
{
if (y % 400 == 0)
return 1;
if (y % 100 == 0)
return 0;
if (y % 4 == 0)
return 1;
}