Re: Embest SBC9261-I board users ?

Started by Maziar in AT91SAM ARM7 years ago 1 reply

Hi Kris, You have not mentioned the purpose of your purchase, if it is 9261 or the beagle. I understood that you want something to play around...

Hi Kris, You have not mentioned the purpose of your purchase, if it is 9261 or the beagle. I understood that you want something to play around with. I would suggest that you first consider that do you just need speed and processing, or do you need more down to the bits programming and a particular application in mind. The 9261 might do somethings as fast as the beagle. I have not worked with the ...


Setting AT91SAM7x Flash GPNVM bits

Started by kama...@ronan.com in AT91SAM ARM7 years ago 4 replies

Hello, Im not an expert in embedded coding and am in somewhat of a hurry to get a brownout detection project out of the way and have been stuck...

Hello, Im not an expert in embedded coding and am in somewhat of a hurry to get a brownout detection project out of the way and have been stuck trying to set and clear the General-purpose NVM bits in the embedded flash controller. The processor Im using is the AT91SAM7x256. I need to be able to set and clear the GPNVM bits 0 and 1 as I desire. However I was once able to set the bits and now am n...


Usage of RTC time

Started by Suresh in AT91SAM ARM7 years ago 1 reply

Hello I am using at91sam9263ek board, and kernel version 2.6.24. so far my board never use RTC, I want to use the existing driver, could...

Hello I am using at91sam9263ek board, and kernel version 2.6.24. so far my board never use RTC, I want to use the existing driver, could anyone knew how I can use and configure it? Regards SN


One problem with at91sam9261

Started by "hua...@rocketmail.com" in AT91SAM ARM7 years ago 5 replies

Hi Everyone, I met a serious problem with at91sam9261. I build 5 boards in total. Only 1= board can download software and boot up normally. The...

Hi Everyone, I met a serious problem with at91sam9261. I build 5 boards in total. Only 1= board can download software and boot up normally. The other 4 boards can b= e recoginized by smaba software(USB interface), however, can not download s= oftware via USB. For the 4 "bad" boards, i can connect them via JTAG,but t= here would be a message box saying:"can not halt the cpu". Is there anyon...


Need Help

Started by Suresh in AT91SAM ARM7 years ago 3 replies

Hi I was using at91sam9263ek board, so far I flashed kernel and u-boot on dataflash and file system on nand flash 16 bit its working fine (...

Hi I was using at91sam9263ek board, so far I flashed kernel and u-boot on dataflash and file system on nand flash 16 bit its working fine ( atmel board) now I want to shift the kernel -2.6.24 and u-boot( 1.1.5 ) to nand flash ( 16bit) I have a problem after I cross compiled( for Arm ) and flashed to nand. the following is the debug info I found, while flashing I do set the environmen...


Internal Flash control in AT91SAM9XE

Started by kci419 in AT91SAM ARM7 years ago 3 replies

How are you? I am sorry, my english is not so good. I am a user developing the AT91SAM device using IAR. I want to write data in internal...

How are you? I am sorry, my english is not so good. I am a user developing the AT91SAM device using IAR. I want to write data in internal flash of at91sam9xe device from host via usb communication. I am controlling using eefc module provided in at91sam9xe. When I try to write data received from host into internal flash via usb port, occur "prefetch handler" error. error location is "EFC_pe...


AT91SAM9261: Can't enable both RX and TX at the same time?

Started by riceman0 in AT91SAM ARM7 years ago 8 replies

Hello, I am at my wits end. I am trying to communicate with my AT91SAM9261 over the USART0. I set up the registers as specified in the...

Hello, I am at my wits end. I am trying to communicate with my AT91SAM9261 over the USART0. I set up the registers as specified in the datasheet, and I can send characters fine, but I run into trouble when I try to enable both sending and receiving. Below is my standalone code to set up the USART0. I've reduced the whole problem to the lines: [code] AT91_USART0_IER = TXRDY_BIT; // e...


AT91SAM3U-EK

Started by dasoberdick in AT91SAM ARM7 years ago 6 replies

Does anyone have an AT91SAM3U-EK? A simple search for the board on this group did not yield any hits. I am trying to use Atmel's sample code...

Does anyone have an AT91SAM3U-EK? A simple search for the board on this group did not yield any hits. I am trying to use Atmel's sample code along side of Jim Lynch's open source development tutorial with the SAM-ICE JTAG programmer but I am unable to properly set up the debugger. YAGARTO has a sample project for the AT91SAM3U-EK that I am able to debug but I don't understand it well enough ...


ARM9 Processor

Started by rohit in AT91SAM ARM7 years ago 2 replies

Hi Everyone, I study Electronics and Communication engineering at MNM JAin Engineering College, Chennai, India. I am quite fascinated with the...

Hi Everyone, I study Electronics and Communication engineering at MNM JAin Engineering College, Chennai, India. I am quite fascinated with the Cortex ARM Processors. I am a complete beginner though.I seriously hope that I am at the right place for help. Actually I need an idea for my final year project. I dont really want to buy a project. Since ARM9 is a very good platform and the domain which I...


EABI vs. ... how to get on with learning AT91SAM7 (newbie difficult beginnings)?

Started by "Jesper K. Pedersen" in AT91SAM ARM7 years ago 3 replies

I am brand new in working with the AT91SAM7 microcontroller and find the beginning very difficult. My basis for learning the AT91SAM7S256 is...

I am brand new in working with the AT91SAM7 microcontroller and find the beginning very difficult. My basis for learning the AT91SAM7S256 is as follows : Developement board is Olimex SAM7P256 Programming done by using the Samba boot manager (USB serial programming - verified working with Sam_I-Am) Software developement on Linux/Debian 5.04 My goal is to be able to run my own sof...


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