Re: stm32 rtems_counter_delay_nanoseconds() longer

2019-07-07 Thread Jython
> > printf("one tick has us %u\n", > rtems_configuration_get_microseconds_per_tick()); > rtems_counter_ticks ticks = rtems_counter_nanoseconds_to_ticks(1000); > printf("delay 1000ns ticks_cnt %u\n", ticks); one tick has us 1000 delay 1000ns ticks_cnt 1000 is rtems_counter_nanoseconds_to_

Re: Filesystem Driver Porting Guide

2019-07-07 Thread Sebastian Huber
On 03/07/2019 17:53, Molock, Dwaine S. (GSFC-5820) wrote: Hello, Is there a filesystem driver porting guide or other documentation available other than the RTEMS Filesystem Design Guide for porting/updating a filesystem driver from RTEMS 4.10 to RTEMS 5.x? What is a "filesystem driver" for y

Re: stm32 rtems_counter_delay_nanoseconds() longer

2019-07-07 Thread Jython
ok, thanks! i have read it, then im not sure CPU_Counter_ticks is system tick ? On Mon, Jul 8, 2019 at 8:53 AM Chris Johns wrote: > On 8/7/19 10:49 am, Jython wrote: > > hi, the size of tick is |CONFIGURE_MICROSECONDS_PER_TICK| ? > > I suggest you take a moment and read the configuration section

Re: stm32 rtems_counter_delay_nanoseconds() longer

2019-07-07 Thread Chris Johns
On 8/7/19 10:49 am, Jython wrote: > hi, the size of tick is |CONFIGURE_MICROSECONDS_PER_TICK| ? I suggest you take a moment and read the configuration section of the user manual. The tick entry is ... https://docs.rtems.org/branches/master/c-user/configuring_a_system.html#configure-microseconds-p

Re: stm32 rtems_counter_delay_nanoseconds() longer

2019-07-07 Thread Jython
hi, the size of tick is CONFIGURE_MICROSECONDS_PER_TICK ? On Sat, Jul 6, 2019 at 12:22 AM Gedare Bloom wrote: > On Thu, Jul 4, 2019 at 2:45 AM Jython wrote: > > > > is there someone could help me > > > I can give you some guesses. > > > On Sun, Jun 30, 2019 at 2:36 PM Jython wrote: > >> > >> a