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Multiple byte EEPROM write with respect to power down
Haven't been here for a while, but have searched and can't find much....   So I'm updating an EEPROM variable in my Codevision CV-AVR code eg.   eeprom uint32_t x...
Tuesday, 26 September 2017 - 15:50
What's difference between M328 and M328P - CVAVR?
Anyone know offhand why I can select "Bit Variables Size" as 24 for my app when configuring the Code Generation settings in my CVAVR project for a M328P... ...but if I then just...
Monday, 8 July 2013 - 13:07
JTAGICE3 at UK Farnell - GBP170.20 (+VAT) http://uk.farnell.com/atmel/atjt... JTAGEICE3 at UK Mouser - GBP78.20 (+VAT) JTAGEICEKIT UK Mouser - GBP63.25 (+VAT) http://uk.mouser.com...
Monday, 25 February 2013 - 11:48
AS6 / STK500 / ATMega328
Studio 6 SP2 Select tools|Device Programming Select STK500 in Tool dropdown No ATMega328 or any 328 variant in Device dropdown :( What am I doing stupidly wrong?
Wednesday, 6 February 2013 - 00:27
Seeing lockbits in hex from avrdude
The -v option gives, for example: Quote:... avrdude: safemode: lfuse reads as E2 avrdude: safemode: hfuse reads as DC avrdude: safemode: efuse reads as 1 avrdude: safemode: Fuses...
Saturday, 31 December 2011 - 12:21
Which usbasp?
Going to make a massive capital investment (it's OK - it will be tax deductible) on a usbasp for the first time - any reason to buy the £5.00-£6.00 ones on eBay as opposed to...
Tuesday, 22 November 2011 - 15:08
ADC input voltage greater than AREF but less than Vcc?
Allowed? Can't see anything in the (m168) data sheet, but looking at "Figure 23-1. Analog to Digital Converter Block Schematic Operation" it looks like it should be OK...and I...
Monday, 30 May 2011 - 16:28
Slow rising signal on external interrupts
ATMega168, Vcc = 5v Is a slow rising signal (10%-90% time = 25ms, start voltage 0v, end voltage 4.16v, definitely monotonically increasing) on the INT0 external interrupt (edge...
Sunday, 8 May 2011 - 16:36
Was thinking about getting one of these for occasional after construction re-programming... http://www.tag-connect.com/ Any one got one? Good/bad/is there something else...
Tuesday, 3 May 2011 - 19:21
array of structure inside structure - and initialisation
Been staring at this for too long - CVAVR typedef struct { uint8_t preamble[3]; uint16_t x; uint16_t y; uint8_t tens; uint8_t units uint8_t dp; uint8_t tenths; uint8_t...
Friday, 31 December 2010 - 15:22
Create .rom [SOLVED - now mega1284P AVROSP bootloader]
I have a CVAVR application where CVAVR is producing .rom and .hex output files. I use the "Program the Chip" button after a Build All - I don't know whether it sends the .rom or...
Thursday, 16 December 2010 - 14:48
How to replicate this structure in C
Busy learning CVAVR after many years of ASM. Not doing too bad, but this exceeds my ability... I have an ASM program that has a lot of "structures", all of similar shape but...
Tuesday, 7 December 2010 - 19:59