Ciao, ho comprato una camera da homotix.
Sembra sia una LinkSprite rivenduta anche da SPARKFUN .
Ho trovato ed adattato il codice.
Scrivo su SD, ma il file non sembra un JPEG valido.
Che sbaglio?
Allego il codice.
Ciao
ConteCavour
/* Linksprite */
#include <SoftwareSerial.h>
#include <SD.h>
byte incomingbyte;
SoftwareSerial mySerial(6,7); //Configure pin 4 and 5 as soft serial port
//NewSoftSerial mySerial(6,7); //Configure pin 4 and 5 as soft serial port
int a=0x0000,j=0,k=0,count=0; //Read Starting address
uint8_t MH,ML;
boolean EndFlag=0;
void SendResetCmd();
void SendTakePhotoCmd();
void SendReadDataCmd();
void StopTakePhotoCmd();
File imgFile, imgFile2, imgFile3, imgFile4;
void setup()
{
Serial.begin(38400);
mySerial.begin(38400);
pinMode(10, OUTPUT);
if (!SD.begin(4)) {
Serial.println("initialization failed!");
return;
}
Serial.println("initialization done.");
}
void loop()
{
SendResetCmd();
delay(4000); //After reset, wait 2-3 second to send take picture command
imgFile = SD.open("nic20.jpg", FILE_WRITE);
imgFile2 = SD.open("nic21.jpg", FILE_WRITE);
imgFile3 = SD.open("nic22.jpg", FILE_WRITE);
imgFile4 = SD.open("nic23.jpg", FILE_WRITE);
SendTakePhotoCmd();
while(mySerial.available()>0)
{
incomingbyte=mySerial.read();
}
byte a[32];
while(!EndFlag)
{
j=0;
k=0;
count=0;
SendReadDataCmd();
delay(25);
while(mySerial.available()>0)
{
incomingbyte=mySerial.read();
k++;
if((k>5)&&(j<32)&&(!EndFlag))
{
a[j]=incomingbyte;
if((a[j-1]==0xFF)&&(a[j]==0xD9)) //Check if the picture is over
EndFlag=1;
j++;
count++;
}
}
for(j=0;j<count;j++)
{ if(a[j]<0x10)
Serial.print("0");
Serial.print(a[j],HEX);
imgFile.print(a[j],HEX);
imgFile2.write(byte(a[j]));
//imgFile3.print(byte(a[j])); sembra sbagliato
//imgFile4.print(a[j]); sembra sbagliato
Serial.print(" ");
} //Send jpeg picture over the serial port
Serial.println();
}
imgFile.close();
imgFile2.close();
imgFile3.close();
imgFile4.close();
while(1);
}
//Send Reset command
void SendResetCmd()
{
mySerial.write(0x56);
mySerial.write(byte(0x00));
mySerial.write(0x26);
mySerial.write(byte(0x00));
}
//Send take picture command
void SendTakePhotoCmd()
{
mySerial.write(0x56);
mySerial.write(byte(0x00));
mySerial.write(0x36);
mySerial.write(0x01);
mySerial.write(byte(0x00));
}
//Read data
void SendReadDataCmd()
{
MH=a/0x100;
ML=a%0x100;
mySerial.write(0x56);
mySerial.write(byte(0x00));
mySerial.write(0x32);
mySerial.write(0x0c);
mySerial.write(byte(0x00));
mySerial.write(0x0a);
mySerial.write(byte(0x00));
mySerial.write(byte(0x00));
mySerial.write(MH);
mySerial.write(ML);
mySerial.write(byte(0x00));
mySerial.write(byte(0x00));
mySerial.write(byte(0x00));
mySerial.write(0x20);
mySerial.write(byte(0x00));
mySerial.write(0x0a);
a+=0x20; //address increases 32£¬set according to buffer size
}
void StopTakePhotoCmd()
{
mySerial.write(0x56);
mySerial.write(byte(0x00));
mySerial.write(0x36);
mySerial.write(0x01);
mySerial.write(0x03);
}