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AVR32GCC C code for casts.b and casts.h
Hi, Just wondering what's the special C code for using casts.b and casts.h instructions in AVR32? Because I have a 24bits ADC giving me 3 bytes long signed reading, and I want to...
Wednesday, 23 April 2008 - 08:21
what's reason for UC3B datasheet Rev.G change from Rev.F?
Hi, just saw this on the new datasheet: Quote: Open Drain Mode removed from ”General-Purpose Input/Output Controller (GPIO)” on page 153. But why?
Thursday, 17 April 2008 - 21:53
strange problem with WINAVR20080402
Hi, I just tried to recompile one of my old code for mega2561, and I got this error: > "make.exe" all -------- begin -------- avr-gcc (WinAVR 20080402) 4.3.0 Copyright (C)...
Wednesday, 16 April 2008 - 11:22
mutex by AVR32 instruction set
Hi, anyone used any mutex by some special AVR32 instructions? like memc, mems and xchg. Cheng
Sunday, 13 April 2008 - 15:01
a issue with SPI's CS delay control (DLYBCT)
hi, After several days of debuging with my SPI driver for CC2420, I finally found the bug, it's a issue with CS pin timing. CC2420's datasheet said the CS pin need to be low for...
Tuesday, 8 April 2008 - 12:58
sync the GCLK0 output and RK output of SSC to F_CPU/32
hi, I want to synchronise the GCLK0 output and RK output of SSC both to F_CPU/32. I have 16MHz on OSC0 and I start SSC_RX in falling edge of RF signal. Here is what I did: void...
Sunday, 30 March 2008 - 17:45
delay_x.h transplant on AVR32 UC3B
Hi guys, Just finished a AVR32 version of the handy delay_x.h function. I have enclosed the file, I just tested it a little bit on UC3B0256, and it seems working, more test will...
Sunday, 16 March 2008 - 23:07
the right way of using CSAAT in SPI when PS == 1
hi, Have anyone used SPI in Variable Peripheral Select mode before? I now have problem with the way to use CSAAT in my device driver code. I want to use Variable Peripheral Select...
Wednesday, 12 March 2008 - 14:45
a type issue in the framework
hi, just wondering if theing type "unsigned int" to represent pin number in GPIO driver is good? cuz I think "unsigned int" can be either 2 or 4 bytes, right? so why not using "...
Tuesday, 19 February 2008 - 15:49
where is the definition of hex constant type in GCC
hi, I always saw this kind of define, like: #define OS_MUTEX_KEEP_LOWER_8 0x00FFu I guess here this 0x00FFu is defined as a unsigned. where can I find the standard...
Wednesday, 30 January 2008 - 20:15
undefined reference to 'memcpy' in UC3B framework??!!
hi, I'm testing my device driver code now and I got a very strange problem this the error: Quote: undefined reference to 'memcpy' One example is I called one function from my...
Tuesday, 29 January 2008 - 17:00
problem in crt0.S file of framework!!!
hi, after 2 days of debugging, I finally found the root problem why my device driver code can't pass the compile, it's because: #include "board.h" in the crt0.S file. if I...
Tuesday, 29 January 2008 - 12:34