Post Created date
Need to forceful sign my types all of a sudden?
Good point I foolishly always use char because the damn int8_t syntax highly does not show up. I wish AVR studio would show that in purple like char.
Saturday, 21 September 2019 - 16:07
using 3-15v buckboost but requires 5volt to enable?
So I'd need to create an oscillation, not sure I want that.   The module is marked on back.   vin- vin+ vout- vout+ en   example 1 that I tried. vin-  ->...
Saturday, 7 September 2019 - 21:05
using 3-15v buckboost but requires 5volt to enable?
using two caps and two 1n4148 diodes (in a v doubler paradigm) I can make it work but I must touch the vout. So clearly my capacitance is wrong. I tried two 1uf's and played with...
Saturday, 7 September 2019 - 18:26
help replacing line with NOP
    A compare of the two lss files helped. turns out this out is two cycles and the second " "PORTB = 0x40" was pretty easy to make work out. Self solved post....
Wednesday, 24 July 2019 - 22:28
Thought I knew how SPI worked till I worked on a slave...
After studying it now it is all clear to me. Certain commands are just sent after this config mode.  but yeah thx for that ill see what I can get out of it.
Friday, 19 July 2019 - 12:17
Thought I knew how SPI worked till I worked on a slave...
Who is going to send the 0xFF to 'kick things off'? Something has to be in the shift register to read the masters command, no?  So when I first connect the slave it must...
Friday, 19 July 2019 - 12:12
Thought I knew how SPI worked till I worked on a slave...
OH wait, I think I get it now... its the order of packets..   "Only works after the controller is in config mode (0xF3)."     So a command 42 (main poll) sends 79...
Friday, 19 July 2019 - 12:09
Thought I knew how SPI worked till I worked on a slave...
I added this.   The 44->79 I get because this is the Slave ID:79 but 45-f3 confuses me as I can not load the shift register on the second read unless I know the byte the...
Friday, 19 July 2019 - 12:06
Thought I knew how SPI worked till I worked on a slave...
Maybe I wrote it wrong above? Looks like the same thing to me?   01 0x01 idle 02 0x42 0x79or 01 0x01 idle 02 0x41 0x41  or   01...
Friday, 19 July 2019 - 11:53
spi 5v to v3 logic.
When I spoke of 5v ttl I'm referring to the atmega32u4 chip. Whatever threshold that may be that the pins operate at.     I just tried making the SPDR a  1...
Thursday, 18 July 2019 - 20:09
spi 5v to v3 logic.
AVR slave yes and yeah, ttl 5v. It receives everything fine but send random.  I'm not sure its random, looks like its having troubles pulling. The master is a gaming console...
Thursday, 18 July 2019 - 19:43
spi ss line / pin issue
Just realized the system I'm working with is 3v logic.
Wednesday, 17 July 2019 - 16:06

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