powertest.c

C8051F040电源测试程序

//------------------------------------------------------------------------------------
// PowerTest.c
//------------------------------------------------------------------------------------
// Copyright (C) 2007 NUAA Control308
// Tool chain: KEIL Eval 'c'
//------------------------------------------------------------------------------------

//------------------------------------------------------------------------------------
// Includes
//------------------------------------------------------------------------------------
   #include 	  "dio.h"				
//------------------------------------------------------------------------------------


unsigned int wAD_33VTest,wAD_5VTest;      //,wAD_12VTest,wAD_N12VTest;


// Power_test
// 拘束条件：在允许内部电压基准源2ms后方可调用

unsigned int Power_Test(void)
{
	unsigned char  wTemp;

	union    Int1_UnsignedChar2 Temp;

	SFRPAGE   = ADC0_PAGE;
	AMX0SL = 0x00;
	AD0INT = 0;
	AD0BUSY = 1;
   
	wTemp =0xFFFF;                              //wTemp的初值设定并不一定精确
	while( (!AD0INT) && wTemp )
	{
		wTemp -= 1;
	}
	if (wTemp == 0)  
	return(ERROR_POWER_TEST);
	if (AD0INT)
   {
	Temp.bData[0] = ADC0H;
	Temp.bData[1] = ADC0L;                 
	wAD_33VTest = (unsigned)Temp.iData;        //+33V
   }

/*
    SFRPAGE   = ADC0_PAGE;
	AMX0SL = 0x01;
	AD0INT =0;
	AD0BUSY = 1;

	wTemp =0xFFFF;
	while( (!AD0INT) && wTemp )
	{
		wTemp -= 1;
	}
	if (wTemp == 0) 
	 return(ERROR_POWER_TEST);
    if (AD0INT)
   {
	Temp.bData[0] = ADC0H;
	Temp.bData[1] = ADC0L;                 
	wAD_N12VTest = (unsigned)Temp.iData;         //V
   }

*/

	SFRPAGE   = ADC0_PAGE;
	AMX0SL = 0x02;
	AD0INT =0;
	AD0BUSY = 1;

	wTemp =0xFFFF;
	while( (!AD0INT) && wTemp )
	{
		wTemp -= 1;
	}
	if (wTemp == 0)  
	return(ERROR_POWER_TEST);
    if (AD0INT)
   {
	Temp.bData[0] = ADC0H;
	Temp.bData[1] = ADC0L;               
	wAD_5VTest = (unsigned)Temp.iData;            //5V
   }

/*
	SFRPAGE   = ADC0_PAGE;
	AMX0CF    = 0x04;                        //通道模式     
	AMX0SL    = 0x04;                        
	HVA0CN    = 0x80;                        //HVDA增益

	AD0INT = 0;
	AD0BUSY = 1;

	wTemp =0xFFFF;
	while( (!AD0INT) && wTemp )
	{
		wTemp -= 1;
	}
	if (wTemp == 0)  
	return(ERROR_POWER_TEST);
    if (AD0INT)
   {
	Temp.bData[0] = ADC0H;
	Temp.bData[1] = ADC0L;               
	wAD_33VTest =(unsigned)Temp.iData;        //3.3V
   }
*/
}