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semaphores using C
I'm trying to implement a semaphore p() and v() function in C and I would like some feedback on my code. Am I on the right track? typedef char SemaphoreType; void SemP(...
Wednesday, 2 March 2005 - 18:52
Atmega EEPROM corruption due to voltage when device is off?
I am currently developing a battery powered device that makes use of the Atmega128 EEPROM to store configuration settings and checksums on data. Recenttly, a modification was...
Wednesday, 2 February 2005 - 17:26
AVR libc: TWI demo code bug??
From the TWI demo example in the AVR-libc docs: int ee24xx_write_page(uint16_t eeaddr, int len, uint8_t *buf) { if (eeaddr + len...
Tuesday, 9 November 2004 - 16:52
bootloader, problems after reset...
I have written a custom bootloader (PC app + firmware) to update my Atmega128. The program seems to write data to the flash fine and the application code seems to be running. (e....
Wednesday, 23 June 2004 - 14:18
problems after bootloading is done...
I have written a custom bootloader (PC app + firmware) to update my Atmega128. The program seems to write data to the flash fine and the application code seems to be running. (e....
Wednesday, 23 June 2004 - 14:16
problem using bootloader section
Below I've posted some example C code I'm using to test using the booloader section of an ATmega128. When I compile and link the code without the "section" attribute it works...
Tuesday, 25 May 2004 - 15:08
AVReflash bootloader
I'm trying to build a WIn32 app to use the AVReflash bootloader found here: http://www.reza.net/avr/ Anyone have luck in getting this bootloader to work on the Atmega 128? Just...
Thursday, 20 May 2004 - 18:09
Problems calling delay function
I'm fairly new to AVR-gcc and I've written a simple program to light up LEDs connected to port b depending on the state of switches connected to port d. The following version of...
Wednesday, 19 May 2004 - 13:42