1, the proposed digital logic analyzer microcontroller code. 2, it is important to include the power supply, input processing, A/D acquisition, the keyboard, LCD display, D/A output.

Logic
.....\Master
.....\......\Config.h
.....\......\IIC_PCA8574.c
.....\......\IIC_PCA8574.h
.....\......\IIC_PCA8574.LST
.....\......\IIC_PCA8574.OBJ
.....\......\IOCfg.c
.....\......\IOCfg.LST
.....\......\IOCfg.OBJ
.....\......\Key.c
.....\......\Key.h
.....\......\Key.LST
.....\......\Key.OBJ
.....\......\LCD.c
.....\......\LCD.h
.....\......\LCD.LST
.....\......\LCD.OBJ
.....\......\LogValue.c
.....\......\LogValue.h
.....\......\LogValue.LST
.....\......\LogValue.OBJ
.....\......\Master
.....\......\Master.hex
.....\......\Master.lnp
.....\......\Master.M51
.....\......\Master.Opt
.....\......\Master.plg
.....\......\Master.Uv2
.....\......\Master_Main.c
.....\......\Master_Main.LST
.....\......\Master_Main.OBJ
.....\......\Serial.c
.....\......\Serial.h
.....\......\Serial.LST
.....\......\Serial.OBJ
.....\......\STARTUP.A51
.....\......\STARTUP.LST
.....\......\STARTUP.OBJ
.....\......\TimeDLY.c
.....\......\TimeDLY.h
.....\......\TimeDLY.LST
.....\......\TimeDLY.OBJ
.....\......\Touch.c
.....\......\Touch.h
.....\......\Touch.LST
.....\......\Touch.OBJ
.....\Slave
.....\.....\Config.h
.....\.....\IOCfg.c
.....\.....\IOCfg.LST
.....\.....\IOCfg.OBJ
.....\.....\SDAC.c
.....\.....\SDAC.h
.....\.....\SDAC.LST
.....\.....\SDAC.OBJ
.....\.....\Slave
.....\.....\Slave.hex
.....\.....\Slave.lnp
.....\.....\Slave.M51
.....\.....\Slave.Opt
.....\.....\Slave.plg
.....\.....\Slave.Uv2
.....\.....\Slave_Main.c
.....\.....\Slave_Main.LST
.....\.....\Slave_Main.OBJ
.....\.....\STARTUP.A51
.....\.....\STARTUP.LST
.....\.....\STARTUP.OBJ
.....\.....\TimeDLY.c
.....\.....\TimeDLY.h
.....\.....\TimeDLY.LST
.....\.....\TimeDLY.OBJ

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