rk3506b交叉编译ws2812灯板

cd /home/dky/workspaces_rk

# 可选：清理 PATH 里带空格的项（WSL 常见）
export PATH="$(printf '%s' "$PATH" | tr ':' '\n' | grep -v '[[:space:]]' | paste -sd: -)"

export CROSS_COMPILE=/home/dky/workspaces_rk/prebuilts/gcc/linux-x86/arm/gcc-arm-10.3-2021.07-x86_64-arm-none-linux-gnueabihf/bin/arm-none-linux-gnueabihf-
export CC=${CROSS_COMPILE}gcc

$CC -O2 -Wall -std=gnu11 \
  -o /home/dky/workspaces_rk/ws2812_matrix_spidev \
  /home/dky/workspaces_rk/ws2812_matrix_spidev.c

1 2	sudo mount -t drvfs F: /mnt/sdcard/ sudo umount /mnt/sdcard