atlantaswl
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Activity overview
Latest activity by atlantaswl-
atlantaswl commented,
Thanks for looking, problem has been solved (FINALLY - yes, I'm shouting).It turns out that any command that precedes a data write (e.g., setting the ROM selection, setting the DDRAM address), th...
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atlantaswl created a post,
ROM selection in 2066 controller
Hi,I am trying to display characters from ROM A, but ROM C characters are bring displayed instead.Here is a snipped of the initialization code: ldi temp, 0x2A ; enter extended command setrcall ...
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atlantaswl commented,
Thought I share the assembler code using the 8080 8-bit interface. init_display: ldi temp, RES sts PORTA_OUTCLR, temp rcall display_delay sts PORTA_...
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atlantaswl commented,
Hi,I found it expeditious to change the interface to parallel. Uses many more pins, but the display works perfectly now. One thing I will say, is that by verifying the command has completed by re...
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atlantaswl commented,
Here is the AVR assembler code. The argument (command or data) is loaded into the temp register (r16), and either display_command or display_data is called. VPORT2 is mapped to Port C and VPORT3 ...
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atlantaswl commented,
Hi Paul,Thinking there might be an issue using the SPI on the Atmel processor, i rewrote the c code in the example program in AVR assembler, and would love to share the code with the forum, and the...
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atlantaswl commented,
Hi Paul,Thanks for the assistance. Unfortunately, no joy yet. The code I wrote is below. I did change a few of the commands, as I have a 2x16 display, and the code on the US2066 directory I thin...
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atlantaswl created a post,
NHD-0216CW module using SPI - Question
Hi,I will be using this module to display the frequency and signal strength for a receiver I am building. The device controlling all functions of the receiver is an Atmel XMEGA256A3BU Xplained boa...