Post Created date
AVR GCC Jump Table Bug
Dang. - Dean :twisted:
Wednesday, 27 August 2014 - 07:31
UART Pin Multiplexing on SAM-D20 MCU
Quote: You mean somebody actually asked for that stupid hardware SS operation on the SPI Question Question The part when you need to actually schedule multiple bytes via...
Monday, 25 August 2014 - 09:51
UART Pin Multiplexing on SAM-D20 MCU
Try a SAMD21J18 instead. It's pin compatible with more features, which includes a SERCOM fix to allow for better MUXing of USART pins on the four pads. Best part? It's cheaper. -...
Monday, 25 August 2014 - 09:14
End of Life for the ATAVRISPII??
Frankly I'm not unhappy they're focusing on the one tool (hey, perhaps this one will work right!) and reducing the test coverage needed for each release. It's a shame to lose the...
Tuesday, 12 August 2014 - 09:17
XMEGA Variations
XMEGA B contains the battery backed RTC as well as a hardware LCD segment driver. XMEGA AU is the "biggest" series devices in terms of specifications and features, but the XMEGA C...
Sunday, 10 August 2014 - 07:32
LUFA USB library and hardware timers
Jupp - nothing other than the core USB peripheral is used in the core USB stack. All the other peripherals are only used by the demos where needed. - Dean :twisted:
Thursday, 31 July 2014 - 12:22
How LUFA associates config descriptors to device descriptors
Copy-pasting from the duplicate question on the LUFA issue tracker: This is defined by the USB specification; the host will first request the single Device Descriptor from the...
Tuesday, 29 July 2014 - 10:09
RAM usage in compilation using AtmelStudio
Quote: I am using XMEGA 192A3U and had to add compiler flag -fno-jump-tables under AVR/GNU C Compiler -> Miscellaneous to reduce the code (4 K). May be this helps you. That's...
Monday, 30 June 2014 - 11:41
EDBG tool not available in AS6, driver seems to be wrong
It's horked - you've only got the raw bootloader and not the actual EBDG stack. It's not a normal UC3A3 part but is based on it, and you won't be able to load...
Monday, 30 June 2014 - 11:33
nonull attribute
Well consider my timbers jiggered. Wasn't aware of that - I've always used the explicit list. - Dean :twisted:
Wednesday, 25 June 2014 - 10:31
nonull attribute
That attribute is expecting a list of argument indexes (starting from 1) that should not be null: __attribute__((nonull (2, 3, 4) )) void RTC_days_offset_to_ymd(uint16_t offset...
Wednesday, 25 June 2014 - 10:10
ordering data in PROGMEM ?
Quote: Really? I had a vague impression is that trampolines were used to implement "pointers to functions", given that there were only 16bit (byte-granularity) pointers and more...
Wednesday, 25 June 2014 - 10:07