Sorry por lo de la encuesta.... soy muy nuevo en esto...
Voy a adjuntar las librerías que he usado.
El programa debería inicializar, la SD, el sensor de presión, y la conexion Serial y Wire.... el asunto es que no lo hace...
Alguien me ha dicho que es un problema con la SRAM pero no se....
#include <SD.h>
#include <Wire.h>
#include "SIM900.h"
//#include <SoftwareSerial.h>
#include "sms.h"
#include<stdlib.h>
SMSGSM sms;
#define BMP085_ADDRESS 0x77 // I2C address of BMP085
const unsigned char OSS = 0; // Oversampling Setting
const int chipSelect = 8;
boolean started=false;
// Calibration values
int ac1;
int ac2;
int ac3;
int b1;
int b2;
int mb;
int mc;
int md;
unsigned int ac4;
unsigned int ac5;
unsigned int ac6;
float temperature;
float pressure;
float atm;
float altitude;
float RH;
char data[100];//="\t\n";
// b5 is calculated in bmp085GetTemperature(...), this variable is also used in bmp085GetPressure(...)
// so ...Temperature(...) must be called before ...Pressure(...).
long b5;
void setup(){
Serial.begin(9600);
bmp085Calibration();
Wire.begin();
iniciarSD();
started=startCell();
//delay(2000);
//delay(2000);
Serial.println(F("Starting in.."));
/*Serial.println("1...");
delay(1000);
Serial.println("2...");
delay(1000);
Serial.println("3...");
delay(1000);
Serial.println("Go!");*/
temperature=0;
pressure=0;
atm=0;
altitude=0;
RH=0;
}
void loop()
{
temperature = bmp085GetTemperature(bmp085ReadUT()); //MUST be called first
pressure = bmp085GetPressure(bmp085ReadUP());
atm = pressure / 101325; // "standard atmosphere"
altitude = calcAltitude(pressure); //Uncompensated caculation - in Meters
RH = calcRH();
recordData(temperature,pressure,atm,altitude,RH);
convertFloat(temperature,pressure,altitude,atm,RH);
//Serial.println("******************");
Serial.println(data);
//Serial.println("******************");
sendSMS();
memset(data,0,sizeof(data)); //limpiamos el buffer
delay(2000); //wait a second and get values again.
}
// Stores all of the bmp085's calibration values into global variables
// Calibration values are required to calculate temp and pressure
// This function should be called at the beginning of the program
void convertFloat(float temperature, float pressure, float altitude, float atm, float RH)
{
char temp[10],press[10],alti[10],at[10],R[10];
dtostrf(temperature,0,2,temp);
dtostrf(pressure,0,2,press);
dtostrf(altitude,0,2,alti);
dtostrf(atm,0,2,at);
dtostrf(RH,0,2,R);
//if(banData==0)
strcat(data,"R2D2-OpenSonde:\nTemp: ");
strcat(data,temp);
strcat(data," C\nPresion: ");
strcat(data,press);
strcat(data," hPa\nAltitud: ");
strcat(data,alti);
strcat(data," m\nAtm: ");
strcat(data,at);
strcat(data,"\nRH: ");
strcat(data,R);
strcat(data," %");
}
boolean startCell()
{
boolean started=false;
Serial.println(F("Starting cell phone."));
if (gsm.begin(2400)){
Serial.println(F("\nstatus=READY"));
started=true;
}
else Serial.println(F("\nstatus=IDLE"));
return started;
}
void sendSMS()
{
if(started){
//Enable this two lines ifst you want to send an SMS.
if (sms.SendSMS("85861381", data))
Serial.println(F("\nSMS sent OK"));
}
}
void iniciarSD()
{
Serial.println(F("Initializing SD card..."));
// make sure that the default chip select pin is set to
// output, even if you don't use it:
pinMode(10, OUTPUT);
// see if the card is present and can be initialized:
if (!SD.begin(chipSelect)) {
Serial.println(F("Card failed, or not present"));
// don't do anything more:
return;
}
Serial.println(F("card initialized."));
}
void recordData(float temperature,float pressure,float atm,float altitude,float RH)
{
File dataFile = SD.open("datalog5.dat", FILE_WRITE);
if (dataFile) {
//dataString=(String)temperature;
dataFile.print(temperature);
dataFile.print(",");
dataFile.print(pressure);
dataFile.print(",");
dataFile.print(atm);
dataFile.print(",");
dataFile.println(altitude);
dataFile.print(",");
dataFile.println(RH);
dataFile.close();
// print to the serial port too:
//Serial.println(dataString);
}
// if the file isn't open, pop up an error:
else {
Serial.println(F("error opening datalog.txt"));
}
}
void bmp085Calibration()
{
Serial.println(F("Calibrating pressure sensor"));
ac1 = bmp085ReadInt(0xAA);
ac2 = bmp085ReadInt(0xAC);
ac3 = bmp085ReadInt(0xAE);
ac4 = bmp085ReadInt(0xB0);
ac5 = bmp085ReadInt(0xB2);
ac6 = bmp085ReadInt(0xB4);
b1 = bmp085ReadInt(0xB6);
b2 = bmp085ReadInt(0xB8);
mb = bmp085ReadInt(0xBA);
mc = bmp085ReadInt(0xBC);
md = bmp085ReadInt(0xBE);
Serial.println(F("Calibration is complete"));
}
// Calculate temperature in deg C
float bmp085GetTemperature(unsigned int ut){
long x1, x2;
x1 = (((long)ut - (long)ac6)*(long)ac5) >> 15;
x2 = ((long)mc << 11)/(x1 + md);
b5 = x1 + x2;
float temp = ((b5 + 8)>>4);
temp = temp /10;
return temp;
}
// Calculate pressure given up
// calibration values must be known
// b5 is also required so bmp085GetTemperature(...) must be called first.
// Value returned will be pressure in units of Pa.
long bmp085GetPressure(unsigned long up){
long x1, x2, x3, b3, b6, p;
unsigned long b4, b7;
b6 = b5 - 4000;
// Calculate B3
x1 = (b2 * (b6 * b6)>>12)>>11;
x2 = (ac2 * b6)>>11;
x3 = x1 + x2;
b3 = (((((long)ac1)*4 + x3)<<OSS) + 2)>>2;
// Calculate B4
x1 = (ac3 * b6)>>13;
x2 = (b1 * ((b6 * b6)>>12))>>16;
x3 = ((x1 + x2) + 2)>>2;
b4 = (ac4 * (unsigned long)(x3 + 32768))>>15;
b7 = ((unsigned long)(up - b3) * (50000>>OSS));
if (b7 < 0x80000000)
p = (b7<<1)/b4;
else
p = (b7/b4)<<1;
x1 = (p>>8) * (p>>8);
x1 = (x1 * 3038)>>16;
x2 = (-7357 * p)>>16;
p += (x1 + x2 + 3791)>>4;
long temp = p;
return temp;
}
// Read 1 byte from the BMP085 at 'address'
char bmp085Read(unsigned char address)
{
unsigned char data;
Wire.beginTransmission(BMP085_ADDRESS);
Wire.write(address);
Wire.endTransmission();
Wire.requestFrom(BMP085_ADDRESS, 1);
while(!Wire.available())
;
return Wire.read();
}
// Read 2 bytes from the BMP085
// First byte will be from 'address'
// Second byte will be from 'address'+1
int bmp085ReadInt(unsigned char address)
{
unsigned char msb, lsb;
Wire.beginTransmission(BMP085_ADDRESS);
Wire.write(address);
Wire.endTransmission();
Wire.requestFrom(BMP085_ADDRESS, 2);
while(Wire.available()<2)
;
msb = Wire.read();
lsb = Wire.read();
return (int) msb<<8 | lsb;
}
// Read the uncompensated temperature value
unsigned int bmp085ReadUT(){
unsigned int ut;
// Write 0x2E into Register 0xF4
// This requests a temperature reading
Wire.beginTransmission(BMP085_ADDRESS);
Wire.write(0xF4);
Wire.write(0x2E);
Wire.endTransmission();
// Wait at least 4.5ms
delay(5);
// Read two bytes from registers 0xF6 and 0xF7
ut = bmp085ReadInt(0xF6);
return ut;
}
// Read the uncompensated pressure value
unsigned long bmp085ReadUP(){
unsigned char msb, lsb, xlsb;
unsigned long up = 0;
// Write 0x34+(OSS<<6) into register 0xF4
// Request a pressure reading w/ oversampling setting
Wire.beginTransmission(BMP085_ADDRESS);
Wire.write(0xF4);
Wire.write(0x34 + (OSS<<6));
Wire.endTransmission();
// Wait for conversion, delay time dependent on OSS
delay(2 + (3<<OSS));
// Read register 0xF6 (MSB), 0xF7 (LSB), and 0xF8 (XLSB)
msb = bmp085Read(0xF6);
lsb = bmp085Read(0xF7);
xlsb = bmp085Read(0xF8);
up = (((unsigned long) msb << 16) | ((unsigned long) lsb << 8) | (unsigned long) xlsb) >> (8-OSS);
return up;
}
float calcAltitude(float pressure){
float A = pressure/101325;
float B = 1/5.25588;
float C = pow(A,B);
C = 1 - C;
C = C /0.0000225577;
return C;
}
float calcRH()
{
//float RH = 0;
float voltValue=((4.95*analogRead(A0))/1023);
return (voltValue-0.958)/0.0307;
//Serial.print(voltValue);
}
GSM_GPRS.tar.gz (33.6 KB)
SD.tar.gz (43.8 KB)
test (2.45 KB)