µVision Build Log
Tool Versions:
IDE-Version: ¦ÌVision V5.13.0.0
Copyright (C) 2014 ARM Ltd and ARM Germany GmbH. All rights reserved.
License Information: pmh Sky123.Org, Sky123.Org, LIC=TI456-DI2TH-1A3DM-XU4KB-4PU11-IJZP9
 
Tool Versions:
Toolchain:       PK51 Prof. Developers Kit  Version: 9.00
Toolchain Path:  C:\Keil_v5\C51\BIN
C Compiler:      C51.exe V9.00
Assembler:       A51.exe V8.01
Linker/Locator:  BL51.exe V6.22
Library Manager: LIB51.exe V4.24
Hex Converter:   OH51.exe V2.6
CPU DLL:         S8051.DLL V3.72
Dialog DLL:      DP51.DLL V2.59 
Project:
C:\Users\Administrator\Desktop\STC800\STC800.uvproj
Project File Date:  08/10/2021

Output:
Build target 'Target 1'
compiling main.c...
MAIN.C(669): warning C206: 'Uart1_SendData': missing function-prototype
MAIN.C(669): error C267: 'Uart1_SendData': requires ANSI-style prototype
Target not created.