* Checkpoint
* Checkpoint
* Checkpoint
* Revert hal change
* Checkpoint
* Checkpoint
* Checkpoint
* Checkpoint
* ESP-IDF working
* clang-format
* use bus_list
* Add spi_device; fix 16 bit transfer.
* Enable multi_conf;
Fix LSB 16 bit transactions
* Formatting fixes
* Clang-format, codeowners
* Add test
* Formatting
* clang tidy
* clang-format
* clang-tidy
* clang-format
* Checkpoint
* Checkpoint
* Checkpoint
* Revert hal change
* Checkpoint
* Checkpoint
* Checkpoint
* Checkpoint
* ESP-IDF working
* clang-format
* use bus_list
* Add spi_device; fix 16 bit transfer.
* Enable multi_conf;
Fix LSB 16 bit transactions
* Formatting fixes
* Clang-format, codeowners
* Add test
* Formatting
* clang tidy
* clang-format
* clang-tidy
* clang-format
* Clang-tidy
* Clang-format
* clang-tidy
* clang-tidy
* Fix ESP8266
* RP2040
* RP2040
* Avoid use of spi1 as id
* Refactor SPI code.
Add support for ESP-IDF hardware SPI
* Force SW only for RP2040
* Break up large transfers
* Add interface: option for spi.
validate pins in python.
* Can't use match/case with Python 3.9.
Check for inverted pins.
* Work around target_platform issue with
* Remove debug code
* Optimize write_array16
* Show errors in hex
* Only one spi on ESP32Cx variants
* Ensure bus is claimed before asserting /CS.
* Check on init/deinit
* Allow maximum rate write only SPI on GPIO MUXed pins.
* Clang-format
* Clang-tidy
* Fix issue with reads.
* Finger trouble...
* Make comment about missing SPI on Cx variants
* Pacify CI clang-format. Did not complain locally??
* Restore 8266 to its former SPI glory
* Fix per clang-format
* Move validation and choice of SPI into Python code.
* Add test for interface: config
* Fix issues found on self-review.
---------
Co-authored-by: Keith Burzinski <kbx81x@gmail.com>