-------------------------------------------------------------------------------
Adesto AT25SF041
-------------------------------------------------------------------------------

This is an example capture of an Adesto AT25SF041 (4MBit == 512kByte) SPI
flash chip being driven by a Teensy 3.6.

It contains sparse button activated device ID and status checks followed by
a simple read.

Details:
https://www.adestotech.com/wp-content/uploads/DS-AT25SF041_044.pdf


Logic analyzer setup
--------------------

The logic analyzer used was a DreamSourceLab DSLogic Plus (at 50MHz):

  Probe       AT25SF041 pin
  -------------------------
  0           clk
  1           mosi
  2           cs
  3           miso

