ejdp62

Hello, I followed your instructions (good to see that it is so simple!), but unfortunately the screen stayed blank. To check if perhaps I had done something wrong, I hooked...

I hope my first post is reasonably clear regarding how (based on what information) various SPI parameters should be set. (In my opinion, and please let me know if you...

I hope my first post is reasonably clear regarding how (based on what information) various SPI parameters should be set. (In my opinion, and please let me know if you...

Hello, my 1.8" TFT display runs fine on SW SPI with he AdafruitST7735 library on a UNO. It needs to be initialized as a GREENTAB display. It is a tad...

Update: given the information in the original post about what happens inside the libraries, I decided to do a hack. Playing around with the defined value of SPI_DEFAULT_FREQ was successful....

Update 2: After considering how the "old" way of setting SPI speed is done using a clock divider of a power of 2, I guess that my display stops working...

Hello Marc, Many thanks for your advice and tips! Indeed, I have used the UNO with great pleasure for a long time, but I guess it is indeed time to...

Hello Marc, I have tried the gfx library you suggested. After reading the wiki pages for the bus and display invocations, I tried to bring the HelloWorld example to life....

update: In a flash of insight (Why didn't I think of this before?) I tried to get the display to work with software SPI. It still doesn't work, the display...

udate2: SWSPI is working now. I made the changes in HelloWorld anew, and this time it worked, and it works reliably. So I suspect I made some mistake in my...