Subject: Re: I2C: Getting Compiation Error for application program

From: Matthias Fuchs <[email-masked]>
Date: Thu, 21 Sep 2006 11:13:15 +0200

On Wednesday 20 September 2006 14:51, Sachin Rane wrote:
> Hi,
>  
> I am trying to compile simple program (appended), but getting lots of 
compilation error.
It's always helpful to see the compiler output. Could you post it?

> I am using Timesys Linux 2.6.13 for ppc440 evaluation board. 
>  
> Command used for compilation:
> $> gcc eeprom-client.c -o eeprom-client.o
Are you crosscompiling? Doesn't look like that...
>  
> Could you help me to find out the reason behind getting the errors?
>  
> Regards,
> Sachin Rane
>  
>  
> 
8< ------------------------eeprom-client.c -------------------------------------------------------------------------------------
>  
> #include <linux/i2c.h>
> #include <linux/i2c-dev.h>
> 
> int main()
> {
>      int file;
>      int adapter_nr = 0; /* probably dynamically determined */
>      char filename[20];
>      int addr = 0xA1; /* The I2C address */
You propably have to use 0x50 here. 
> 
>     sprintf(filename,"/dev/i2c-%d",adapter_nr);
>     if ((file = open(filename,O_RDWR)) < 0)
>    {
>        exit(1);
>     }
>    
>     if (ioctl(file,I2C_SLAVE,addr) < 0)
>    {
>       exit(1);
>    }
>    else
>   {
>       printf("\n Able to bind the adapter");
>    }
>    return 0;
> }

Matthias