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陈迎春 e45d7da503
Update serial.c
"remove  #ifdef RT_SERIAL_USING_DMA in rt_serial_open, always check device open dma flag"
2019-01-16 13:21:20 +08:00
..
2013-01-08 22:40:58 +08:00
2019-01-16 13:21:20 +08:00