Re: [uClinux-dev] 2.6.38 in Freescale Feb 2012 BSP

2013-11-12 Thread Raju B
Hi Michael, I have tried with baudrate = 9600 and 19200, then it is working fine(i.e getting data, no overruns). but i want to use high speed(115200). can u please give any suggestion to over come this. Thanks &r Regards, Raju On Thu, Nov 7, 2013 at 10:06 PM, Michael Durrant wrote: > Raju, >

Re: [uClinux-dev] 2.6.38 in Freescale Feb 2012 BSP

2013-11-12 Thread Steve deRosier
I think it was already suggested: you need to enable flow-control. Either hardware if you've got the pins setup right on that port or software (xon/xoff) if you don't. On Tue, Nov 12, 2013 at 4:11 AM, Raju B wrote: > Hi Michael, > > I have tried with baudrate = 9600 and 19200, then it is worki

[uClinux-dev] 2.6.29 unexplained delay seen in i2c-imx.c driver

2013-11-12 Thread Priscilla Wong
Can someone help me on an issue I am seeing on my i2c-imx driver for uClinux 2.6.29? Attached is a scope capture of an i2c read operation. In the capture, yellow is clock, green is data, blue and pink are both gpios I am using for debugging. It can be seen that there is a 300 us delay after m

Re: [uClinux-dev] 2.6.29 unexplained delay seen in i2c-imx.c driver

2013-11-12 Thread Steven King
On Tuesday 12 November 2013 11:15:07 am Priscilla Wong wrote: > Can someone help me on an issue I am seeing on my i2c-imx driver for > uClinux 2.6.29? > > Attached is a scope capture of an i2c read operation. In the capture, > yellow is clock, green is data, blue and pink are both gpios I am using

Re: [uClinux-dev] 2.6.29 unexplained delay seen in i2c-imx.c driver

2013-11-12 Thread Steven King
On Tuesday 12 November 2013 2:10:38 pm Priscilla Wong wrote: > On 12/11/13 04:01 PM, Steven King wrote: > > On Tuesday 12 November 2013 11:15:07 am Priscilla Wong wrote: > >> Can someone help me on an issue I am seeing on my i2c-imx driver for > >> uClinux 2.6.29? > >> > >> Attached is a scope capt