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How to save power with FreeRTOS
I am looking to lower power consumption with FreeRTOS. My app basically sends requests via rs232 to a device and logs responses to a SD card. If there is no SD card present, it...
Saturday, 30 August 2008 - 17:28
Is putting .data section in SDRAM impossible?
I have changed my linker script to put .data and .bss in SDRAM. I have created my own crt0.S that will call a function to init the SDRAM before the .data and .bss are initialized...
Thursday, 14 February 2008 - 02:44
How to prevent memcpy with const strings > 64 chars?
If I declare a const char[] with length greater than 64 bytes, the compiler throws in a call to memcpy. I can see it in the .lss file. If I break up the long const string into...
Monday, 11 February 2008 - 20:19
Debug already running code (standalone)
This all refers to debugging standalone EVK1100 code from within AVR32 studio. I have an app that copies code from an SD card into SRAM and then executes it. I have a bug in this...
Tuesday, 22 January 2008 - 00:06
UC3A flash data retention problem - CONFIRMED
I have used the EVK1100 as a beta board in two seperate products we are about to start producing. They are both showing flash corruption symptoms. Product A lives in a metal box...
Thursday, 17 January 2008 - 18:25
UC3A has 1/23/08 Lead Tme at Digikey!
Sorry if this has been posted, but UC3As are now showing a lead time of 1/23/08 at Digikey! I'm excited, since maybe now I can start selling my product after months of waiting...
Thursday, 17 January 2008 - 17:55
Dynamic Linking - kind of
I posted before about loading an application from a FAT formatted SD card, copying to external SRAM, and then executing it via a function pointer to its base address. The only...
Saturday, 29 December 2007 - 01:07
USB Hub with UC3A
My goal is to build a USB hub onto my board and have my UC3A enumerate devices attached to it. Is it possible to interface a UC3A USB host to a downstream USB hub, such as the...
Friday, 28 December 2007 - 23:41
Executing from RAM on UC3A
I am trying to figure out how I would load a file (like maybe a .bin file) from an SD card into RAM, and then switch to executing the code contained in the file. I can already...
Tuesday, 23 October 2007 - 21:20
FSAccess uses hard-coded drive
I just wanted to point out that the fsaccess open() method uses a hard-coded drive, which means you can only use fsaccess with the dataflash. See below int open(const char *...
Friday, 19 October 2007 - 15:53
How to build the Managed Make Hello World Example
I just got started with my EVK1100 a few days ago, and I have been trying to get the AVR32 Studio Managed Make/DIP204 example in the software framework to work. I get linker...
Saturday, 11 August 2007 - 16:09
Interfacing TouchChip to AVR - need specs please!
If anyone has specs for the TouchChip Trusted Fingerprint Module, I really need them! I bought one of these with the intent of interfacing to an AVR, but it came with no...
Friday, 23 April 2004 - 20:10