Mity CPU Platforms » ARM9 Based QNX Platforms

10/20/2011

05:22 PM Software Development: RE: ClockPeriod

The QT_TIMER_LOAD value of 0x30 is just an offset into the system page or some structure. It is not the actual load v... John Pruitt

05:20 PM Software Development: RE: ClockPeriod

Rob,
It looks like there is a callout function that does not really do what it is supposed to. I suspect the kerne... John Pruitt

01:32 PM Software Development: RE: ClockPeriod

Hi John,
The pidin program does not display the info we're interested in, so I modified my clock_period program to... Rob Gillis

10:06 AM Software Development: RE: Pin MUX

You will probably need to modify the omapl138_psc_init() to include a line like:
omapl138_psc_enable (PSC_MODULE_U... John Pruitt

09:27 AM Software Development: Pin MUX

We are trying to use the MityDSP L138 UART2 on the PROFIBUS dev kit with Qnx. We are connecting via J504.
I saw men... Mark Lyon

10/18/2011

02:48 PM Software Development: RE: ClockPeriod

Rob,
With regards to the syspage, I was hoping to see values change after changing the ClockPeriod. Sections relat... John Pruitt

02:37 PM Software Development: RE: ClockPeriod

John,
I just tried the above mentioned change, and as you suspected it did not fix the problem but was worth a try... Rob Gillis

02:38 PM Software Development: RE: QNX BSP Timers

John,
We have tried using ClockCycles(). I think it may be working for us but will check with the other developer... Rob Gillis

10/17/2011

10:06 AM Software Development: RE: QNX BSP Timers

Rob,
Have you tried using ClockCycles()?
John John Pruitt

10:02 AM Software Development: RE: ClockPeriod

Rob,
I see your point.
We have not provided the arm clock handling routines so in that sense, this would seem t... John Pruitt

10/13/2011

12:33 PM Software Development: RE: ClockPeriod

John,
Actually, the point I was trying to make is that changing the system tick using ClockPeriod confuses the OS ... Rob Gillis

09:16 AM Software Development: RE: ClockPeriod

Rob,
I don't have experience trying to change the clock period. The documentation does seem to indicate that makin... John Pruitt

08:54 AM Software Development: RE: QNX BSP Timers

Rob,
I don't know of a feature like this. I have always just used the CLOCK_REALTIME.
John John Pruitt

10/11/2011

05:08 PM Software Development: ClockPeriod

Hello,
I am having problems changing the system clock period using the QNX BSP. When I try to change it using the... Rob Gillis

02:30 PM Software Development: QNX BSP Timers

Hello,
I have a need for a timer that supports a higher resolution than QNX CLOCK_REALTIME. It will be used for h... Rob Gillis