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ISP via debugWIRE
After working past midnight I though of this question and figured I would find the answer here. I don't have the room on the PCB nor the enclosure for a standard 6pin ISP...
Monday, 27 February 2012 - 15:44
TWI - ACK/NACK - SOLVED!!
Greets all, I copied the following code essentially right off the Mega48 datasheet: .include "m48def.inc" .def temp = r16 .equ act485 =PD5 .equ SLA_W =0x50 .equ SLA_R =0x51...
Thursday, 23 February 2012 - 19:27
16bit compare
THere was a thread recently that involved two pairs of registers. The cure was how the registers were arrainged It was in assembly no less so you would think I would remember...
Thursday, 16 February 2012 - 22:08
TWI/I2C assembly - Oh no!! Here we go again!!
All, Not sure if this is the right forum, but here goes. I wrote code for a sensor that outputs in SPI, 16bit. No issues, runs great. Here is my problem. The part is not off the...
Thursday, 16 February 2012 - 18:43
The avr that keeps on running?
THis is a first...for me :? I was runnung the final tests on a project when something strange came up. First the setup: Studio 4.19 ATMEGA48 STK500 AVRDRAGON Breadboard with RS-...
Thursday, 16 February 2012 - 12:55
Advanced programming tab
I want to program the internal oscillator of my Mega48. The note in the manual on how to do this is rather confusing. What I want to do is set the osccal register to 0xEC. The...
Tuesday, 7 February 2012 - 15:47
Default path to projects
Is there a way to tell studio to aim at a specific path for projects...especially new ones? it defaults to the local directory, but I store everything on a server. Not a big deal...
Tuesday, 7 February 2012 - 15:20
6/12mhz quickie
I need to generate either 6mhz, or 12mhz for an avr. I have a hogepoge of crystals laying around, but none really that close. Ideally I'd like a square wave out which is easy...
Thursday, 2 February 2012 - 18:59
Uarts/USARTs don't care?
While runing Brays terminal I noticed that the parity was set to none. I thought this odd as everything was running fine but the avr is set to odd parity. Hooked up the logic...
Monday, 30 January 2012 - 18:14
EEPROM loading
I see in the programming section a way to preload information into the eeprom space. I believe it is looking for an .elf file. Anyone suggest a for dummies paper on how this is...
Saturday, 28 January 2012 - 13:55
NiCD battery chargers
I have just about every Ryobi 18v cordless tool they make. The black and yellow battery packs that come with the tool work fine. No complaints. The newer chargers though........
Thursday, 26 January 2012 - 16:32
SPI UART/USART ic
Greets freaks, I have an application that is using the usart on my mega48/88. I want to add one more UART/USART using the SPI interface that is being used for the data storage,...
Wednesday, 25 January 2012 - 01:29

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