chenyingchun0312 417efc370f [drivers/i2c] optimize i2c driver framework vor 4 Jahren
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drivers 417efc370f [drivers/i2c] optimize i2c driver framework vor 4 Jahren
ipc 7ff976dab3 [posix] [pipe] add IPC for POSIX and add pipe for it vor 4 Jahren
rtdevice.h d94be14df5 [serial] 增加serial_v2版本的框架和基于stm32的串口驱动 vor 4 Jahren