I believe mode 0 puts the registers in binary mode, so you should try to open it as a binary file in C/Python/whatever. To access as ASCII (which I recommend against personally), try setting ioreg_mode to 1. Glenn
On Mon, Jun 29, 2009 at 4:13 PM, Soriano, Melissa < [email protected]> wrote: > Hi Casper, > > > > I have been unable to access the software registers using ioreg_mode set to > zero. If anyone has used this, can you please offer any advice? Am I using > this option incorrectly? Thanks in advance for your help. > > > > Regards, > > Melissa > > > > o...@roach1:~$ cat /proc/751/hw/ioreg_mode > > 1 > > o...@roach1:~$ ls /proc/751/hw/ioreg/result_32_msb > > /proc/751/hw/ioreg/result_32_msb > > o...@roach1:~$ cat /proc/751/hw/ioreg_mode > > 1 > > o...@roach1:~$ cat /proc/751/hw/ioreg/result_32_msb > > o...@roach1:~$ echo 0 > /proc/751/hw/ioreg_mode > > o...@roach1:~$ cat /proc/751/hw/ioreg_mode > > 0 > > o...@roach1:~$ cat /proc/751/hw/ioreg/result_32_msb > > cat: /proc/751/hw/ioreg/result_32_msb: Invalid argument >
