Forum Post: RE: About the Interrupt of GPIO
Please read section 25.3.3 in the AM335X TRM Rev. K. The two interrupt sets allow you to have two independent ISR's for each GPIO bank. It's up to you to decide which set - 0 or 1 you will use.
View ArticleForum Post: RE: Am335x EVM UART2 not working in SDK7
Hi Durai,Yes, you are correct.1. For SDK v6, the pinmux modifications are to be done inside the board-am335xevm.c board configuration file.2. For SDK v7, the pinmux modifications are to be done inside...
View ArticleForum Post: RE: AM3517 GCC Linaro toolchain (TI-SDK 6.00.00.00)
Hi Paul,I've asked the factory team to take a look at this.Best regards,Miroslav
View ArticleForum Post: RE: Beagle bone camera cap with am3352
A possible different solution is to use an USB camera.
View ArticleForum Post: RE: AM3352 Ethernet Subsystem's loopback function
Hi Nomoto-san,FIFO loopback is enabled via the FIFO_LOOPBACK bit in the CPSW CONTROL register. This is at packet level. Digital loopback is enabled via the LOOPBACK bit in the MACCONTROL register. This...
View ArticleForum Post: RE: Read state at MUX output
Thanks a lot for that info! That's really helpful!
View ArticleForum Post: RE: TI Sitara Starter Kit USB Camera
Hi Mahendra,I have a USB uvc camera working but or some reason I can only get capture resolutions like 320x240. Did you succeed getting larger resolutions?
View ArticleForum Post: RE: Is the CS size supported max 128Mbytes on AM335x GPMC?
Hi RY,[quote]Now, I have been able to set GPMC_CONFIG7->MASKADDRESS = 0(256MByte) without data abort. But, the GPMC_A[11] have not been driven. Other address pins GPMC_A[10:1] can operate...
View ArticleForum Post: RE: Conditional hardware validation in the board file
You can read out the file system in the bootloader uboot. And then, you can set a flag in the kernel command line.Inside the board file, you can examine the flag. Read about the kernel command line in...
View ArticleForum Post: RE: Unstable bit issue with UBIFS on NAND for AM3352 design
As program and erase times of NAND flashes are short, you can very easy add an extra VCC buffering capacitor (and a decoupling diode). And you will never see this sort of failure in your...
View ArticleForum Post: AM335x RTC clock initialization
Hello,we use RTC peripheral of the AM3352 processor. Following initialization sequence is executed: /* Performing the clock configuration for RTC. */ moduleClkConfig(); /* Disabling write protection...
View ArticleForum Post: RE: Are the files generated from the PinMux Utility V3.0.344...
Trent,I can't answer this with my limited knowledge of the AM437x development ecosystem. Hopefully, someone here in the Sitara Processors Forum will be able to help you out.Best Regards,Mandeep
View ArticleForum Post: RE: 3.12 on AM335X -- USB DMA problem
wrong copy&paste: am33xx.dtsi (into arch/arm/boot/dts), not am33xx_315.dtsi[quote user="Carlo Nenna1"]Ok. maybe I got it! The problem is into am33xx_315.dtsi. A couple of USB addresses into kernel...
View ArticleForum Post: RE: AM335X NOR flash - 256MB issue
Hi Sankar,Can you please post a schematic (PDF file) of your connections between the AM335X GPMC and the NOR Flash?
View ArticleForum Post: RE: Nand Flash u-boot Fail
Hi Marcus,Judging by the U-Boot version, you seem to be using SDK v6, right?Here are the steps to flash the NAND device using SDK v6:[quote]U-Boot# mmc rescanU-Boot# nand erase.chipU-Boot# fatload mmc...
View ArticleForum Post: RE: AM335x RTC clock initialization
Hi Andreas,On this forum we support only the TI distributed Linux EZSDK. I suggest you ask questions about Starterware on the dedicated forum: http://e2e.ti.com/support/embedded/starterware/f/790.aspx
View ArticleForum Post: RE: AM335x DCAN receive lockup under high utilization
Hi,I've resolved my lock up issue - the code used to timestamp the received frames in the interrupt handler was not interrupt handler safe. The timestamp is implemented outside the DCAN module, so the...
View ArticleForum Post: RE: AM3352 Clock - Oscillator vs Crystal
Hi Saravanan,Please read sections 6.2.1, 6.2.2.1 and 6.2.2.2 of the AM335X Datasheet Rev. G. Also note that if using an external oscillator, its output swing must be 1.8V. Other than that there is no...
View ArticleForum Post: RE: Altium design files for AM3358 Starter kit TMDSSK3358
John,What is available in Altium is the Beaglebone Black (complete project). Check this link: http://elinux.org/Beagleboard:BeagleBoneBlack#Hardware_Files
View ArticleForum Post: RE: Confused about developing for AM335x
[quote user="Matthew Schuckmann1"]It all sounds great and it seems like I should be able to pick a direction but I'm really at a loss on what to do going forward. There are just to many options without...
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