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ILI9341 8 bit mode
To write the 16 bit data register, you put out the low 8 bits first, set WR low, set WR high, the put out the high 8 bits, set WR low and back high? Somehow, every "8 bit" example...
Wednesday, 21 August 2013 - 01:48
Blue PC boards
If you're planning on hand fiddling SMD parts, don't order your boards in BLUE. They're pretty, but HARD to see where you're putting the parts. :roll:
Tuesday, 20 August 2013 - 12:26
enum in a struct
Why can't I put my enum in a struct 'lest it destruct? Clearly, I minunderstand something here: enum IOType{Output, Input, InputPullup, Servo}; enum LabelT{lPin, lSwitch,...
Tuesday, 6 August 2013 - 17:39
Designing to pass EMI testing requirements.
I'm splitting this off from Amin's thread where he wishes to generate RF signals because I'm interested in avoiding generating RF signals with the hope of someday obtaining the...
Monday, 5 August 2013 - 16:35
indexing has at least one undefined operand
The simulator is telling me this as I try to examine some code that goes astray. I expect it means I have something screwed up. But what? It says SetPosition[1] is bogus. See the...
Saturday, 3 August 2013 - 19:01
Timer: the comp registers as an array
I want to make a function like: void SetServo(uint8_t S, uint16_t P); Where I have 4 servos connected to port c, bits 0 through 3. So, could I, as a C Luddite, do something...
Saturday, 3 August 2013 - 13:49
xMega 8E5 pwm doesn't pwm?
Let's see: 1. My LED is connected to Pin 23, and that's PD5 and that's OC5B. 2. I have all Port d pins set to output, except for PD4. I can put the pin high and low by code. 3. My...
Friday, 2 August 2013 - 16:02
Ooh! Dang! Don't do this...
I keep most parts in the little mylar envelope with the vendor's label on it so I know what it is and where it came from. Some, these days, have big, humoungous packs of desiccant...
Saturday, 27 July 2013 - 15:52
TFT Display 320x240 almost works!
I'm back to this after some months having: 1. Changed processor to xMega192D3 2. Designed a board 3. Waited for Hong Kong post 3. Waited for Hong Kong post 3. Waited for Hong Kong...
Thursday, 25 July 2013 - 21:04
xMega in the Simulator
When you're simulating an xMegaD3 part in the simulator, and you execute an instruction like Clrb(LCD_BL_PRTC,LCD_BL_PIN); where Clrb is defined... #define LCD_BL_DPRT...
Thursday, 25 July 2013 - 20:22
The OSC: 16MHz crystal xMega192D3
Up until now, the internal RC osc has been plenty accurate. In fact, the xMega's 1% calibrated internal RC osc is probably plenty accurate, but I wanted to use a crystal. I THINK...
Wednesday, 24 July 2013 - 21:36
TPS60100 Regulator doesn't turn off
Hmm. Doesn't work quite as I had in mind. Quote: ENABLE input. The device turns off, the output disconnects from the input, and the supply current decreases to 0.05 µA when...
Tuesday, 23 July 2013 - 23:39

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