0.0.25 release of ch55xduino

Optimize USBtinyISP example

0.0.24 release of ch55xduino

Fix USBtinyISP example

0.0.23 release of ch55xduino

add wire style wrapper for i2c

0.0.22 release of ch55xduino

fix sound card bug
Add keyboard_print
Add keyboard led support

0.0.21 release of ch55xduino

Add USB CDC HID combo
Add USB sound card
Fix touchkey and pwm bug

0.0.20 release of ch55xduino

Add some comments for IntelliSense in VScode
fix upload tool reboot receive length
add avr-objcopy into SDCC

0.0.19 release of ch55xduino

Fix WS2812
Add PulseIn
Add Servo

0.0.18 release of ch55xduino

fix 64 byte CDC transfer issue
update USB descriptor to LUFA style
add clang format
add qmk compatible keyboard example
add 32M clock option

0.0.17 release of ch55xduino

Change model from small to large
Make int and long calculation re-enterable
Update tool and SDCC, also add RPi support

0.0.16 release of ch55xduino

fix GSINIT in sdcc.sh so volatile variables will not affect even alignment.
add 266 bytes USB ram option and USBtinySPI_CH552 (Adafruit USBtinySPI implementation on CH552 with debugWIRE feature) example.