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Help me choose a bus
Hello, I am not sure I am writing to the right forum, but here I go: I need to choose a bus which has three major requirements: - a low wire-cost (as few wires as possible -->...
Saturday, 25 October 2008 - 16:48
GCC include search list
Hello! Is there a way to make a directory be searched for includes BEFORE the current directory? with -I it is searched after the current directory. Actually I need it to search...
Monday, 29 September 2008 - 22:34
#define fails
#define F_CPU 40000000L #define TWI_M_n_hp (F_CPU*500/1000000000) (also tried) #define TWI_M_n_hp (F_CPU/1000*500/1000000) #define TWI_M_n_hp (40000000L/1000L*500L/...
Saturday, 27 September 2008 - 23:14
sbi, cbi not working. Why?
I've just installed AVR Studio and GCC The code sbi PORTA,2 Doesn't want to work, it says 'number must be less than 32'. The cpp preprocessor outputs: sbi ((0x1B) + 0x20...
Saturday, 27 September 2008 - 20:20
CPP glueing help
(somewhere in code) #define TWI_M_PORT A #define TWI_M_PORT (PORT##TWI_M_PORT_NAME) #define TWI_M_DDR (DDR##TWI_M_PORT_NAME) #define TWI_M_PIN (PIN##TWI_M_PORT_NAME) What I...
Saturday, 27 September 2008 - 17:43
IR Distance sensor
Hello! Can anyone point me to some good docs on how to build an IR distance sensor? I would like to build up something that can measure the distance between an object and a sensor...
Sunday, 3 August 2008 - 23:15
SDCMF-10715W1T0 datasheet
Can anyone help me finding a datasheet for the above mentioned part? I would need to create a part in EAGLE to be able to use it, and would need the exact mm values for the pins,...
Friday, 7 March 2008 - 18:32
5V to 3V3
Hello! Can anyone tell me a good way to make 3V3 from 5V to power an MMC card, but I still need to keep the 5V to power the uC, so simply using a Zener Diode won't work AFAIK, my...
Friday, 7 March 2008 - 18:29
EAGLE part library editing
Hello! Does anyone know if there is a library for EAGLE for the SDCMF-10715 mmc card connector? I have only found parts for the 109. Or can someone point me to some tutorials on...
Monday, 3 March 2008 - 10:45
.initN section in an .a file
I have written a library implementing HEAP functionality 200 bytes long. The library consists of two functions and one initialization routine: malloc, free, and init. I have...
Sunday, 17 February 2008 - 14:09
.data, .bss, .noinit
Hello! Can anyone point me some good docs on the meaning of these sections (and there are probably others as well), and what they should contain and why? Also, how can I put some...
Sunday, 17 February 2008 - 13:28
Getting started with libusb under win32
Okay. I have libusb-win32. Well I think I have it, because I can't seem to build it. Oh whatever, just download the binary pack. Okay, that installed fine. Now what? I have no...
Thursday, 7 February 2008 - 23:00

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