程序如下，由于我才学习这个，所以啥都不太清楚，还请大侠帮忙写下，这个是公司给的部分程序
程序是用于电机堵转试验控制程序，现在就是要实现LED数码管计数工作，好像是只要让数码管实现从0到99计数就可以了
#include <c8051f340.h>
#include <INTRINS.H>
#include <function declare.h>
unsigned char code_table[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0x88,0x83,0xc6,0xa1,0x86,0x8e};
unsigned char TM0_flag;
unsigned char Uart0_Rcv_data; //Uart0 recive operate code and configure data from PC,then sending to SBS by Uart1
unsigned char Uart0_data_counter; //The length of operate code
unsigned char data_counter=0;
unsigned char Start_flag;
unsigned int Counter;
unsigned char Seconds,Times;
unsigned char shiwei;
unsigned char gewei;
unsigned char TimeH,TimeM,TimeL;
unsigned int AD_result=0;
unsigned int AD_result1=0;
unsigned int AD_value=0;
void Delay_us( unsigned char t) //延时
{
unsigned char i,j;
for(i=0;i<1;i++)
{
for(j=0;j<t;j++)
{
_nop_(); // 调用NOP,延时1us
_nop_();
_nop_();
_nop_();
_nop_();
}
}
}
void Delay_ms( unsigned int t) //延时
{
unsigned char i;
unsigned int j;
for(i=0;i<250;i++)
{
for(j=0;j<t;j++)
{
_nop_(); // 调用NOP,延时1us
_nop_();
_nop_();
_nop_();
_nop_();
_nop_();
_nop_();
_nop_();
_nop_();
_nop_(); // 调用NOP,延时1us
}
}
}
/*
void Delay_s(unsigned char t)
{
unsigned char i;
unsigned int j;
for(i=0;i<50;i++)
{
for(j=0;j<t;j++)
{
Delay_ms(50);
}
}
}*/
/********************AD converter process************************/
void ADC0_sample(void)
{
unsigned char i;
unsigned char Result_H,Result_L;
for(i=0;i<5;i++)
{
ADC0H=0x00;
ADC0L=0x00;
AD0BUSY= 1;
if(AD0INT==1)
{
AD0INT = 0; // Clear the interrupt flag
AD0BUSY= 0;
Delay_ms(2); //延时保证AD正常工作
AD_result1=((unsigned int)ADC0L|((unsigned int)ADC0H)<<8);
AD_result=AD_result+AD_result1;
}
}
AD_result=AD_result/5;
Result_H = ((unsigned char) (AD_result>>8));
Result_L = ((unsigned char) (AD_result));
Uart0_Send_A_Byte(Result_H); //High 8bits
Uart0_Send_A_Byte(Result_L); //Low 8bits
AD_result=AD_value;
AD_result=0;
}
void DA_MAX5304(unsigned int ibyte)
{
unsigned int N_value;
unsigned char i;
N_value = ibyte<<3;
DA_CLK= 0;
Delay_ms(5);
DA_CS = 0;
Delay_ms(5);
for(i=0;i<16;i++)
{
if(N_value&0x8000)
DA_DIN = 1;
else
DA_DIN = 0;
DA_CLK = 1;
Delay_ms(2);
DA_CLK = 0;
Delay_ms(1);
N_value=(N_value<<1);
}
DA_CS = 1;
}
void main()
{
System_Init();
Uart0_Send_A_Byte(0x15);
Uart0_Send_A_Byte(0x55);
Uart0_Send_A_Byte(0x37);
Uart0_Send_A_Byte(0x28);
Uart0_Send_A_Byte(0xa4);
Delay_ms(250);
Delay_ms(250);
// ES0 = 1;
// EIE2 |= 0x02;
TR0 = 0; //T0定时器停止
CS0 = 1;
CS1 = 1;
CS2 = 1;
CS3 = 1;
CS4 = 1;
// P2 = 0x80;
// CS0 = 0;
while(1)
{
if(Start_flag==1)
{
Start_flag=0;
TR0 = 1;
}
if(TM0_flag==1) //每1秒钟进入该程序执行
{
TM0_flag = 0;
shiwei=Seconds/10;
gewei =Seconds%10;
TimeH =Times/100;
TimeM =(Times/10)%10;
TimeL =Times%10;
Seconds++;
if((Seconds%6)==0) //每6秒钟执行该程序执行
{
Seconds=0;
Times++;
ADC0_sample();
}
if(Times==180)
{
Times =0;
}
}
SEG_Leddisplay();
}
}
void SEG_Leddisplay(void)
{
CS0 = 1;
CS1 = 1;
CS2 = 1;
CS3 = 1;
CS4 = 1;
P2 = code_table[gewei];
P1 = code_table[TimeL];
CS0 = 0;
CS2 = 0;
Delay_us(5);
CS0 = 1;
CS2 = 1;
Delay_us(5);
P2 = code_table[shiwei];
P1 = code_table[TimeM];
CS1 = 0;
CS3 = 0;
Delay_us(5);
CS1 = 1;
CS3 = 1;
Delay_us(5);
P1 = code_table[TimeH];
CS4 = 0;
Delay_us(5);
CS4 = 1;
} |
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