Updated MicroPython scheduler functions
Updated all affected modules
esp-idf sdspi_host driver refactored
Using SDCard in SPI mode and display at the same time now works
Tested on M5Stack & Adafruit 2.4" TFT Featherwing
Display module refactored
uses (modified) esp-idf spi-master driver
16-bit color mode added
low level display functions added
get TP calibration constants function added
Backlight on/off function added
M5Stack & GENERIC display types added
display initialization sequence for unknown display types can now be handled from MicroPython
tpcalib frozen module updated
I2C module refactored
SLAVE mode added
Low level I2C functions added
esp-idf i2c driver modified
SPI module updated
UART module updated
network module updated
machine module: added method for reading internal ESP32 temperature sensor
_thread module: status of the system tasks is now available in _thread.list()
os module: SDCard mode can now be configured from MicroPython
time.ticks_xx() functions now returns correct tick count after time update
rtc module updated
Added MPU9250 frozen module (available on M5Stack)
Experimental Bluetooth support, not yet finished
Experimental support for eve display modules, not yet finished
License file added
License information in many source files updated/added
'Display' module updated
added option to select rotation in init() method
added option not to display splash in init() method
Added callback function on WiFi events in 'network' module
'uftpserver' removed from frozen modules and 'uftpserver.py' placed in examples directory
Updated utime module
Added prebuilt firmware with all modules enabled (for psRAM boards)
Updated esp-idf to the latest commit
Updated Xtenssa toolchains to version 1.22.0-80-g6c4433a-5.2.0
Boris Lovosevic