error C267: 'ADC0832': requires ANSI-style prototype

c(24): error C267: 'ADC0832': requires ANSI-style prototype 错误在第24行

#include "reg52.h"
#include "lcd1602.h"
#include "delay.h"
#include "adc0832.h"
 
unsigned int MPX4115_GetPressure(unsigned char Ad)    
{
    unsigned int Pressure = 0;        //方便计算 这是扩大十倍的压力值
    if(14<Ad<243)                    //当压力值介于15kpa到115kpa之间时，遵循线性变换
    {
        int Vary = Ad;
        Pressure = (((10.0/23.0)*Vary)+9.3)*10;        //扩大十倍 方便计算     
    }
    return Pressure;
    
}
void Lcd1602_String(int row,int col,char*str)
{
    unsigned int Pressure = 0;        //方便计算 这是扩大十倍的压力值    
    Lcd1602_Init(  );                              //LCD1602液晶初始化
    Lcd1602_String(0,0,"  MPX4115 Test  ");
    while(1)
    {        
        Pressure = MPX4115_GetPressure(ADC0832(0,0));        //获取压力        
 
        Lcd1602_String(0,1,"Pressure:");
        Lcd1602_Write_Data(Pressure/1000 + 0x30);              //显示千位
        Lcd1602_Write_Data(Pressure%1000/100 + 0x30);        //显示百位
        Lcd1602_Write_Data(Pressure%1000%100/10 + 0x30);    //显示十位
        Lcd1602_Write_Data('.' );
        Lcd1602_Write_Data(Pressure%1000%100%10 + 0x30);    //显示个位
        
    }
}

寻求度娘帮助吧，比如https://zhidao.baidu.com/question/754306235842895852.html
看看哪个能解决问题