SPI ...\SPI ...\SPI.hex ...\SPI.M51 ...\SPI.Opt ...\SPI.plg ...\SPI.Uv2 ...\SPI_Opt.Bak ...\SPI_Uv2.Bak ...\STARTUP.A51 ...\STARTUP.lst ...\STARTUP.obj ...\主机.c ...\主机.LST ...\主机.OBJ ...\从机.c ...\从机.LST ...\从机.OBJ ...\测试.lst ...\测试.obj