Merge branch 'cnlohr:master' into master

.gitignore

README.md

attic/EVT/Makefile

attic/EVT/README.md

attic/cnlohr-notes.txt

ch32v003fun/ch32v003fun.c

ch32v003fun/ch32v003fun.h

ch32v003fun/ch32v003fun.mk

examples/blink/blink.bin

examples/blink/blink.c

examples/debugprintfdemo/.vscode/c_cpp_properties.json

examples/debugprintfdemo/.vscode/launch.json

examples/debugprintfdemo/.vscode/settings.json

examples/debugprintfdemo/.vscode/tasks.json

examples/debugprintfdemo/debugprintfdemo.c

examples/dma_gpio/Makefile

examples/dma_gpio/dma_gpio.c

examples/run_from_ram/run_from_ram.c

examples/self_modify_code/self_modify_code.c

examples/spi_24L01_rx/Makefile