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Discussion Title Created date
variable overflow issue
short version: When I roll a char or int in an interrupt, program execution halts. long version: I have a simple timer overflow interrupt which increments a counter: volatile...
Friday, 2 April 2010 - 18:22
SPI fail
I have a real simple SPI function that reads by sending a dummy byte. I also have the uart up and running for debug work. This function comes from the Fatfs demo for anyone who...
Wednesday, 24 March 2010 - 19:05
sprintf with prog_char
I am trying to use sprintf, well likely snprintf, with some strings that are in flash code sprintf(buff, "var = d string = s\n", my_int, string_in_rom) .... Why can't I use a...
Tuesday, 8 December 2009 - 20:37
Heap size with malloc
If I include stdlib.h in my code, malloc is included as well as the heap of SRAM. Is there an easy way to see how large the heap is? Is it based on the uC/SRAM size or is it...
Sunday, 6 December 2009 - 05:00
USBkey mass storage question
I recently purchased an Atmel USBkey dev kit (AT90USB1287) and have been trying to under stand how the mass storage example works so I can modify it (and save the USB driver-foo I...
Monday, 23 November 2009 - 01:44