串口通讯测试
............\Debug
............\.....\Exe
............\.....\...\rx_tx_pc.d43
............\.....\List
............\.....\Obj
............\.....\...\fet440_uart01_09600.r43
............\.....\...\rx_tx_pc.pbd
............\fet440_uart01_09600.c
............\rx_tx.eww
............\rx_tx_pc.dep
............\rx_tx_pc.ewd
............\rx_tx_pc.ewp
............\settings
............\........\rx_tx.wsdt
............\........\rx_tx_pc.dbgdt
............\........\rx_tx_pc.dni