Hi
I am new to this whole thing so I'm on a steep learning curve here, I have a Seeduino Stalker V3 Datalogger and a Maxbotix 7360 ultrasonic range finder, put together and My goal is to Log the serial output from the rangefinder every 10 sec and record it to the SD card,
The code I have so far does everything well but wont seem to do more that one data entry to the SD card and will the hang.
the serial data output get as far as printing
sleep
awake from sleep
All I can think of is that something that is turned off or unset when the arduino goes to sleep isn't being woken up again the next time round. but I cant seem to find the issue.
Any help really appreciated!
/*
Used to Read MaxSonar MB7360 HRXL
Written for SEEDUINO STALKER V3
Will be using the serial Data pin output on the sensor MB7360HRXL 3.3V Supply from stalker with power filter and pin 11 softwareserial data input
1.Solder P3 and P2 PCB jumper pads on the Stalker V3
2.Compile and upload the sketch
3.See if everything works fine using Serial Monitor.
4.Remove all Serial port code, recompile the sketch and upload.
This reduces power consumption during battery mode.
*/
#include <avr/sleep.h>
#include <avr/power.h>
#include <avr/power.h>
#include <Wire.h>
#include <DS1337.h>
#include <SPI.h>
#include <SD.h>
#include <SoftwareSerial.h>
SoftwareSerial mySerial(11, 12,true); // RX, TX, true sets the inverter
//The following code is taken from sleep.h as Arduino Software v22 (avrgcc) in w32 does not have the latest sleep.h file
#define sleep_bod_disable() \
{ \
uint8_t tempreg; \
__asm__ __volatile__("in %[tempreg], %[mcucr]" "\n\t" \
"ori %[tempreg], %[bods_bodse]" "\n\t" \
"out %[mcucr], %[tempreg]" "\n\t" \
"andi %[tempreg], %[not_bodse]" "\n\t" \
"out %[mcucr], %[tempreg]" \
: [tempreg] "=&d" (tempreg) \
: [mcucr] "I" _SFR_IO_ADDR(MCUCR), \
[bods_bodse] "i" (_BV(BODS) | _BV(BODSE)), \
[not_bodse] "i" (~_BV(BODSE))); \
}
DS1337 RTC; //Create RTC object for DS1337 RTC
static uint8_t prevSecond=0;
static DateTime interruptTime;
static uint16_t interruptInterval = 10; //Seconds. Change this to suitable value.
void setup ()
{
/*Initialize INT0 pin for accepting interrupts */
PORTD |= 0x04;
DDRD &=~ 0x04;
// set the data rate for the SoftwareSerial port
mySerial.begin(9600);
delay(50);
Wire.begin();
Serial.begin(57600);
RTC.begin();
pinMode(4,OUTPUT);//SD Card power control pin. LOW = On, HIGH = Off
digitalWrite(4,LOW); //Power On SD Card.
Serial.print("Load SD card...");
// Check if SD card can be intialized.
if (!SD.begin(10)) //Chipselect is on pin 10
{
Serial.println("SD Card could not be intialized, or not found");
return;
}
Serial.println("SD Card found and initialized.");
delay(10);
attachInterrupt(0, INT0_ISR, LOW); //Only LOW level interrupt can wake up from PWR_DOWN
set_sleep_mode(SLEEP_MODE_PWR_DOWN);
//Enable Interrupt
//RTC.enableInterrupts(EveryMinute); //interrupt at EverySecond, EveryMinute, EveryHour
// or this
DateTime start = RTC.now();
interruptTime = DateTime(start.get() + interruptInterval); //Add interruptInterval in seconds to start time
}
void loop ()
{
////////////////////Inserted for sonar Sensor////////////////
int index = 0;
boolean startreading = false;
char mm[6];
mm[4] = 0;
mySerial.flush();
delay(10);
while(index < 4){
if(mySerial.available()){
byte incoming = mySerial.read();
if(incoming == 'R') {
startreading = true;
} else if(startreading) {
mm[index++] = incoming;
}
}
}
int i = atoi(mm);
long inches = i;
delay(10);
///////////////////////// End of inserted stuff for sonar, wonder if I have inserted in a good place? /////////
////////////////////// START : Application or data logging code//////////////////////////////////
float voltage;
int BatteryValue;
BatteryValue = analogRead(A7);
voltage = BatteryValue * (1.1 / 1024)* (10+2)/2; //Voltage divider
DateTime now = RTC.now(); //get the current date-time
if((now.second()) != prevSecond )
{
//print only when there is a change
Serial.print(now.year(), DEC);
Serial.print('/');
Serial.print(now.month(), DEC);
Serial.print('/');
Serial.print(now.date(), DEC);
Serial.print(' ');
Serial.print(now.hour(), DEC);
Serial.print(':');
Serial.print(now.minute(), DEC);
Serial.print(':');
Serial.print(now.second(), DEC);
Serial.print(',');
Serial.print(voltage);
Serial.print(" V");
Serial.print(" ");
Serial.print(mm);
delay(10);
Serial.print(" Millimeters");
Serial.println();
}
prevSecond = now.second();
//|||||||||||||||||||Write to Disk||||||||||||||||||||||||||||||||||
File logFile = SD.open("DATALOG.CSV", FILE_WRITE);
if(logFile) {
logFile.print(now.year(), DEC);
logFile.print('/');
logFile.print(now.month(), DEC);
logFile.print('/');
logFile.print(now.date(), DEC);
logFile.print(',');
logFile.print(now.hour(), DEC);
logFile.print(':');
logFile.print(now.minute(), DEC);
logFile.print(':');
logFile.print(now.second(), DEC);
logFile.print(',');
logFile.print(mm);
delay(10);
logFile.print(',');
logFile.println(voltage);
logFile.close();
}
//|||||||||||||||||||Write to Disk||||||||||||||||||||||||||||||||||
RTC.clearINTStatus(); //This function call is a must to bring /INT pin HIGH after an interrupt.
RTC.enableInterrupts(interruptTime.hour(),interruptTime.minute(),interruptTime.second()); // set the interrupt at (h,m,s)
attachInterrupt(0, INT0_ISR, LOW); //Enable INT0 interrupt (as ISR disables interrupt). This strategy is required to handle LEVEL triggered interrupt
////////////////////////END : Application code ////////////////////////////////
//\/\/\/\/\/\/\/\/\/\/\/\/Sleep Mode and Power Down routines\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\
//Power Down routines
cli();
sleep_enable(); // Set sleep enable bit
sleep_bod_disable(); // Disable brown out detection during sleep. Saves more power
sei();
digitalWrite(4,HIGH); //Power Off SD Card.
Serial.println("\nSleeping");
delay(10); //This delay is required to allow print to complete
//Shut down all peripherals like ADC before sleep. Refer Atmega328 manual
power_all_disable(); //This shuts down ADC, TWI, SPI, Timers and USART
sleep_cpu(); // Sleep the CPU as per the mode set earlier(power down)
sleep_disable(); // Wakes up sleep and clears enable bit. Before this ISR would have executed
power_all_enable(); //This shuts enables ADC, TWI, SPI, Timers and USART
delay(10); //This delay is required to allow CPU to stabilize
Serial.println("Awake from sleep");
delay(10);
digitalWrite(4,LOW); //Power On SD Card.
//\/\/\/\/\/\/\/\/\/\/\/\/Sleep Mode and Power Saver routines\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\
}
//Interrupt service routine for external interrupt on INT0 pin conntected to DS1337 /INT
void INT0_ISR()
{
//Keep this as short as possible. Possibly avoid using function calls
detachInterrupt(0);
interruptTime = DateTime(interruptTime.get() + interruptInterval); //decide the time for next interrupt, configure next interrupt
}
