* Hacky async TWAI driver
* Async TWAI: Custom priority and pin to core
* Async TWAI: Proper configuration of alerts
* Do not refer to esp-idf-sys as it is not an explicit dependency anymore
* embedded-hal::delay no longer returns Error
* embedded_hal::digital add generic GpioError
* spi: init work: from closure to Operation pattern
* first full implementation
* i2c: remove iter fn droped by e-hal master
* make ci work by temp. refere to e-hal master
* more ci fix
* make clippy happy
* more ci fighting
* gpio: cursed repair of ulp_processor
* fmt
* spi: repair example + get rid of generic's
* dep: change to new e-hal release
* fix e-hal 0.2 comp & fix bus
* fmt
* clippy
* remove debug artifacts
* test ci with e-hal-nb-alpha.1
* e-hal-nb to alpha.2
* modified comments
* impl e-hal delay to general purpose provider
* use embedded_hal_error macro for riscv-ulp-hal
* typo
* impl pwm alpha10
* fixed wrong return error on async gpio
* duplicated impl error macro for ulp
* initial draft
* working alternative without using i32 id's
* EspSpiDevice + SpiDriverMaster / no global statics
* start splitting implementation in spi & spi_pool
* impl SpiDevice for EspSpiDevice
* spi2_pool draft (spi with software based cs)
* pre master fetch up
* Driver accepts Optional DMA channel + fetch master
* replaced: std with core, mutex with hal's cs
* replaced HashMap with Array
* merged spi2 into spi
* clean up
* replace std with core
* updated loopback example, spi takes dma directly
* moved criticalsection guard out of spi to spi_pool
* added paragraph to the release.md
* rm fn to add / rm device from bus or update config
* rm stored config from EspSpiDevice
* fmt'd
* grammer + changelog update
* implements inverted chipselect for spi.rs #119
* device with optional cs + guarded soft_cs wrapper
* fmt'd
* add pre / post cs delay functionality for wrapper
* no bus.finish for dev with no cs. partial fix#99
* spi driver renaming
* updated naming + locking with &mut SpiDeviceDriver
* updated naming + locking with &mut SpiDeviceDriver
* clean up
* updated CHANGELOG
