NesCat1.0_ESP32 modification

Modified version of NesCat1.0_ESP32 system(original: https://github.com/nathalis/NesCat1.0_ESP32).

!!! Its in progress and most features not working at this moment. !!!

I want to make separate releases as soon as I get stable version of my mod. Currently I'm working on software changes, but PCB reworking is planned as well

Planned changes:

• move from SD7789 to ILI9341 display done
• add PCF8574N for keyboard (keys) added for ABXY buttons
• move to 16 channel gpio expander implemented by MCP23017
• add charger module done
• change to Max98357A I2S module done
• add separate repo for hardware

Used libraries:

• TFT_eSPI https://github.com/Bodmer/TFT_eSPI.git
• arduinoFFT https://github.com/kosme/arduinoFFT
• ESP32-audioI2S https://github.com/schreibfaul1/ESP32-audioI2S
• arduino-mcp23017 https://github.com/blemasle/arduino-mcp23017.git

Pinout

Display

• TFT_CLK 18
• TFT_COPI 23
• TFT_CIPO 19
• TFT_CS 5
• TFT_DC 16
• TFT_RST 17
• TFT_BL 4

SD

• SD_CS 15
• SD_CLK 14
• SD_COPI 13
• SD_CIPO 32

Keyboard

• KB_CLK 22
• KB_SDA 21

Sound

• I2S_DOUT 25
• I2S_BCLK 27
• I2S_LRC 26