obd2 live data codes needed to read data in real time?

Question

quick question. live in the uk and ive got a 52 plate (2002)vauxhall (gm/opel) astra, and it uses obd2 data protocol for access to read the fault codes and to access live realtime data from car. question is what are the data codes for reading the live realtime data... eg o2 sensor, rpm, speed etc.or somewhere i can get list from. trying to write software for a virtual dashboard but without memory adress codes im a bit stuck. all i can find on the net are error codes. thx!

Answer 1

there arent any codes for live data. live data constantly changes, there fore cannot be defined by a code. thats why you can only find error codes. and how are you using obd2 on a 2002 unless it was modified? maybe I'm just ignorant of what you are working on.

Answer 2

Error codes will trigger the check engine light ON. As for the sensors, not all cars have the same sensors, the sensors working will appear on your screen

Answer 3

We use Mitchell 1 auto repair at my job but have to subscribe to it. There is also alldata and napa pro link but they are subscriptions also. You could email me and I will try to help you.

Answer 4

would have 2 machines attached by the COM1 ports. a million gadget operating living house windows having a hyperterminal consultation opened and the different gadget operating Linux having my application operating. i pick to waiting to form a personality into the hyperterminal window and characteristic the nature displayed on the Linux gadget. Im very new to C programming yet heres what I really have for my application so some distance, merely no longer certain a thanks to study the enter and demonstrate it: #comprise /*universal enter/output definitions*/ #comprise /*String function definitions*/ #comprise /*Unix universal function definitions*/ #comprise /*record administration definitions*/ #comprise /*blunders wide style definitions*/ #comprise /*POSIX terminal administration definitions*/ int open_port(void) { int fd; /* record descriptor for the port */ fd = open("/dev/ttyS0", O_RDWR | O_NOCTTY | O_NDELAY); if(fd == 0) { perror("open_port: unable to open /dev/ttyS0 - "); } else fcntl(fd, F_SETFL, 0); go back (fd); } /*Configire port*/ struct termios concepts; /*Get the present concepts for the port*/ tcgetattr(fd, &concepts); /*Set the Baud prices to 19200*/ cfsetispeed(&concepts, B19200); cfsetospeed(&concepts, B19200); /*enable gained and set close by mode*/ concepts.c_cflag |= (CLOCAL | CREAD); /*Set new concepts for port*/ tcsetattr(fd, TCSANOW, &concepts); /*Set records bits*/ concepts.c_cflag &= ~CSIZE; /*mask the nature length bits*/ concepts.c_cflag |= CS8; /*pick 8 records bits*/ /*Set raw enter*/ concepts.c_lflag &= ~(ICANON | ECHO | ECHOE | ISIG); /*Set raw output*/ concepts.c_oflag &= ~OPOST; /*Set timeout to a million sec*/ concepts.c_cc[VMIN] = 0; concepts.c_cc{VTIME] = 10; /*Code to study enter is going the following*/ close(fd); Can everyone recommend in this? thanks