Re: [PHP] I2C and PHP

2009-06-16 Thread Daniel Brown
On Tue, Jun 16, 2009 at 01:02, Tobias Krieger wrote: > Hi, > > I'm working on a interface between the I2C Bus (Hardware) and PHP - to use > the PHP as webinterface to control an I2C Device. [snip!] Welcome to the list, Tobias. For future reference, please don't re-send the same email to the l

Re: [PHP] I2C and PHP

2009-06-16 Thread Per Jessen
Tobias Krieger wrote: > So, what I need is a way to convert any value between 0 and 255 into a > string with one byte, e.g > > 0xff = (with strlen($data) == 1) > > I tried it with: > > chr(255) - not successfull > pack("H" and "h", 0xff) - not successfull > decbin(255) - without succe

[PHP] I2C and PHP

2009-06-15 Thread Tobias Krieger
Hi, I'm working on a interface between the I2C Bus (Hardware) and PHP - to use the PHP as webinterface to control an I2C Device. The bus is mounted as: /dev/i2c8_aux - and works opening the bus with $fd=fopen (/dev/i2c8_aux, w (r+) (r+b) (wb))is successfull setting the address of the slave