/*
DS3231_test.pde
Eric Ayars
4/11
Test/demo of read routines for a DS3231 RTC.
Turn on the serial monitor after loading this to check if things are
working as they should.
*/
#include <DS3231.h>
#include <Wire.h>
#include <EEPROM.h>
#define powerPin 7
DS3231 Clock;
String ReceivedCache="";
String BTime="2010-07-24 11:15:00";
String ETime="2010-07-24 11:15:00";
boolean isFire=false;
void setup() {
// Start the I2C interface
Wire.begin();
Clock.setClockMode(false);
Serial.begin(9600);
pinMode(powerPin,OUTPUT);
digitalWrite(powerPin,LOW);
Clock.turnOnAlarm(1);
RetrieveFireSet();
}
void loop() {
handleCmd();
checkFire();
}
void checkFire(){
String dateTime=GetTime();
if(dateTime>=BTime && dateTime<=ETime){
digitalWrite(powerPin,HIGH);
isFire=true;
}else{
digitalWrite(powerPin,LOW);
isFire=false;
}
}
String formatNum(int a){
if(a<10)return "0" +(String)a;
return (String)a;
}
String GetTime(){
bool Century=false;
bool h12=false;
bool PM=false;
int second,minute,hour,date,month,year,temperature;
second=Clock.getSecond();
minute=Clock.getMinute();
hour=Clock.getHour(h12, PM);
date=Clock.getDate();
month=Clock.getMonth(Century);
year=Clock.getYear();
String dateTime="20" +formatNum(year) +"-"
+formatNum(month) +"-"
+formatNum(date) +" "
+formatNum(hour) +":"
+formatNum(minute)+":"
+formatNum(second);
return dateTime;
}
void handleGetTime(){
String dateTime=GetTime();
Serial.println("OK:"+dateTime);
}
void handleSetTime(){
int second,minute,hour,date,month,year,dayOfWeek;
String dateTime=ReceivedCache.substring(5,24);
year =dateTime.substring(2,4).toInt();
month =dateTime.substring(5,7).toInt();
date=dateTime.substring(8,10).toInt();
hour=dateTime.substring(11,13).toInt();
minute=dateTime.substring(14,16).toInt();
second=dateTime.substring(17,19).toInt();
dayOfWeek=dateTime.substring(20,21).toInt();
Clock.setSecond(second);//Set the second
Clock.setMinute(minute);//Set the minute
Clock.setHour(hour); //Set the hour
Clock.setDoW(dayOfWeek); //Set the day of the week
Clock.setDate(date); //Set the date of the month
Clock.setMonth(month); //Set the month of the year
Clock.setYear(year); //Set the year (Last two digits of the year)
Serial.println("OK:");
}
void handleGetFire(){
String tmp=_ReadFireSet();
if(tmp==""){
Serial.println("EE:fire time not set!");
}else{
Serial.println("OK:" + tmp);
}
}
void handleSetFire(){
for(int address=0;address<43;address++){
EEPROM.write(address,(byte)ReceivedCache[address]);
//Serial.print((char)EEPROM.read(address));
}
//Serial.println("");
String bTime=ReceivedCache.substring(5,24);
String eTime=ReceivedCache.substring(24,43);
bool flag=RetrieveFireSet();
// Serial.println("flag:" + (String)flag);
if(flag && (bTime==BTime && eTime==ETime)){
Serial.println("OK:");
}else{
Serial.println("EE:Set Fail");
}
}
String _ReadFireSet(){
int address=0;
String tmp="";
char readChar=' ';
for(int address=0;address<5;address++){
readChar=(char)EEPROM.read(address);
tmp +=readChar;
}
if(tmp!="SetF:"){
return "";
}
tmp="";
for(int address=5;address<43;address++){
readChar=(char)EEPROM.read(address);
tmp +=readChar;
}
//Serial.println(tmp);
return tmp;
}
bool RetrieveFireSet(){
String tmp=_ReadFireSet();
if(tmp==""){
return false;
}else{
BTime=tmp.substring(0,19);
ETime=tmp.substring(19,38);
return true;
}
}
//read Serial data and hand command
//
void handleCmd(){
char readChar=' ';
while(Serial.available()>0){
readChar=(char)Serial.read();
ReceivedCache =ReceivedCache+ (String)readChar;
//delayMicroseconds(10);
}
//Serial.println("ABC");
// Serial.println(ReceivedCache);
if(ReceivedCache.startsWith("GetT:")){
handleGetTime();
ReceivedCache=ReceivedCache.substring(5);
}else if(ReceivedCache.startsWith("SetT:")){
//like->SetT:2015-07-24 16:54:23,7
if(ReceivedCache.length()>=26){
handleSetTime();
ReceivedCache=ReceivedCache.substring(26);
}
}else if(ReceivedCache.startsWith("GetS:")){
Serial.println("OK:"+(String)isFire);
ReceivedCache=ReceivedCache.substring(5);
}else if(ReceivedCache.startsWith("GetF:")){
handleGetFire();
ReceivedCache=ReceivedCache.substring(5);
}else if(ReceivedCache.startsWith("SetF:")){
if(ReceivedCache.length()>=43){
handleSetFire();
ReceivedCache=ReceivedCache.substring(43);
}
}else if(ReceivedCache.startsWith("GetC:")){
int temperature=Clock.getTemperature();
Serial.println("OK:" +(String)temperature);
ReceivedCache=ReceivedCache.substring(5);
}
else{
if(ReceivedCache.length()>=5){
ReceivedCache="";
}
}
if(readChar=='\n')ReceivedCache="";
}
