Merge branch 'master' of https://github.com/cnlohr/ch32v003fun

.gitignore

README.md

attic/EVT/Makefile

attic/EVT/README.md

attic/cnlohr-notes.txt

ch32v003fun/ch32v003fun.h

ch32v003fun/ch32v003fun.mk

examples/debugprintfdemo/.vscode/c_cpp_properties.json

examples/dma_gpio/Makefile

examples/dma_gpio/dma_gpio.c

examples/exti_pin_change_isr/Makefile

examples/exti_pin_change_isr/exti_pin_change_isr.c

examples/i2c_oled/Makefile

examples/i2c_oled/README.md

examples/i2c_oled/i2c_oled.c

examples/i2c_oled/ssd1306.h

examples/i2c_oled/ssd1306_i2c.h

examples/self_modify_code/self_modify_code.c

examples/spi_24L01_rx/Makefile

examples/spi_24L01_rx/README.md