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More details regarding frame transfer to ST7735 based TFT display:

//*************************************************************************
// TFT RAM buffer!
// RAM usage: Size = 128 * 160 *...

Thanks for the great work. This is really a good driver!
I was missing a function for frame transfer from RAM to TFT. Below an example:

Declare a RAM frame:
uint16_t tftRam[128*160];

The...

Hi GeneL
I have been working on a project using a Teensy 3.6 and SPI 0 & 1. I had to read blocks of 164 bytes from two cameras at 20 MHz. By modifying the transfer function to:
void...

I am working on a system where two IR CCD cameras deliver data to a Teensy 3.6 running @ 180 MHz. Data transfer is in blocks of 164 bytes via SPI0 and SPI1 @ 20 MHz. I have modified the SPI transfer...

I am working on a project, where I have to send blocks of data through the USB connector. Each block is 40016 bytes long. Can I simply write this block in one go: Serial.write(&block, 40016);
...

Thanks Chris!
Funny thing is that your code gives me an output of 20 MHz. If I change the frequency parameter to 25 M, the output changes to 30 MHz. Problem: I am using two SPI channels running...

I need to generate a continous digital output of 25.0 MHz, dutycycle 50 %, on a pin on the Teensy 3.6 kit. I have been through all the libraries, but none seem to hold the answer. Is it possible to...

I have just received a couple of Teensy 3.6 boards - and they are great! Works right out the box. But:
SPI only seems to work on SPI unit 0. How can I use the other units? The hardware seems to...