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  • 为了方便唤醒,i2c波特率需要设置为100K
  • 驱动可以添加在: drivers/crypto/atsha204a
  • menuconfig: Cryptographic API --> Hardware crypto devices
  • 应用层校验代码可以参考 atsha204a_api.c 文件里的 atsha204a_verify_key 函数

命令读取sn:
cat /sys/class/crypto/atsha204a/sn

命令读取配置:
cat /sys/class/crypto/atsha204a/config

ioctl节点:
/dev/atsha204a

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atsha204a linux 驱动,有烧录功能

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