//-----------------------------------------------------------------------------
// Includes
//-----------------------------------------------------------------------------
#include // SFR declarations
#include
// Includes
//-----------------------------------------------------------------------------
#include // SFR declarations
#include
//-----------------------------------------------------------------------------
// 16-bit SFR Definitions for 'F00x
//-----------------------------------------------------------------------------
// 16-bit SFR Definitions for 'F00x
//-----------------------------------------------------------------------------
sfr16 DP = 0x82; // data pointer
sfr16 TMR3RL = 0x92; // Timer3 reload value
sfr16 TMR3 = 0x94; // Timer3 counter
sfr16 ADC0 = 0xbe; // ADC0 data
sfr16 ADC0GT = 0xc4; // ADC0 greater than window
sfr16 ADC0LT = 0xc6; // ADC0 less than window
sfr16 RCAP2 = 0xca; // Timer2 capture/reload
sfr16 T2 = 0xcc; // Timer2
sfr16 DAC0 = 0xd2; // DAC0 data
sfr16 DAC1 = 0xd5; // DAC1 data
//-----------------------------------------------------------------------------
// Function PROTOTYPES
//-----------------------------------------------------------------------------
void SYSCLK_Init (void);
//-----------------------------------------------------------------------------
// MAIN Routine
//-----------------------------------------------------------------------------
sfr16 TMR3RL = 0x92; // Timer3 reload value
sfr16 TMR3 = 0x94; // Timer3 counter
sfr16 ADC0 = 0xbe; // ADC0 data
sfr16 ADC0GT = 0xc4; // ADC0 greater than window
sfr16 ADC0LT = 0xc6; // ADC0 less than window
sfr16 RCAP2 = 0xca; // Timer2 capture/reload
sfr16 T2 = 0xcc; // Timer2
sfr16 DAC0 = 0xd2; // DAC0 data
sfr16 DAC1 = 0xd5; // DAC1 data
//-----------------------------------------------------------------------------
// Function PROTOTYPES
//-----------------------------------------------------------------------------
void SYSCLK_Init (void);
//-----------------------------------------------------------------------------
// MAIN Routine
//-----------------------------------------------------------------------------
void main (void){
WDTCN = 0xde; // disable watchdog timer
WDTCN = 0xad;
SYSCLK_Init (); // initialize oscillator
REF0CN = 0x03; // Reference Control Register
//----------------------------------------------------------------------------
// DAC Configuration
//----------------------------------------------------------------------------
DAC0CN = 0x80; // DAC0 Control Register
DAC1CN = 0x80; // DAC1 Control Register
while(1)
{
DAC0L = 0xAB; // DAC0 Low Byte Register
DAC0H = 0x0C; // DAC0 High Byte Register
DAC1L = 0xAB; // DAC1 Low Byte Register
DAC1H = 0x0C; // DAC1 High Byte Register
}
}
//-----------------------------------------------------------------------------
// Initialization Subroutines
//-----------------------------------------------------------------------------
WDTCN = 0xde; // disable watchdog timer
WDTCN = 0xad;
SYSCLK_Init (); // initialize oscillator
REF0CN = 0x03; // Reference Control Register
//----------------------------------------------------------------------------
// DAC Configuration
//----------------------------------------------------------------------------
DAC0CN = 0x80; // DAC0 Control Register
DAC1CN = 0x80; // DAC1 Control Register
while(1)
{
DAC0L = 0xAB; // DAC0 Low Byte Register
DAC0H = 0x0C; // DAC0 High Byte Register
DAC1L = 0xAB; // DAC1 Low Byte Register
DAC1H = 0x0C; // DAC1 High Byte Register
}
}
//-----------------------------------------------------------------------------
// Initialization Subroutines
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
// Oscillator Configuration
//-----------------------------------------------------------------------------
void SYSCLK_Init (void)
{
int i; // delay counter
// Oscillator Configuration
//-----------------------------------------------------------------------------
void SYSCLK_Init (void)
{
int i; // delay counter
OSCXCN = 0x67; // start external oscillator with
// 18.432MHz crystal
// 18.432MHz crystal
for (i=0; i < 256; i++) ; // XTLVLD blanking interval (>1ms)
while (!(OSCXCN & 0x80)) ; // Wait for crystal osc. to settle
OSCICN = 0x88; // select external oscillator as SYSCLK
// source and enable missing clock
// detector
}
// source and enable missing clock
// detector
}
C8051F005的AD驱动程序(C语言)
//-----------------------------------------------------------------------------
// Includes
//-----------------------------------------------------------------------------
#include
#include
#include
//-----------------------------------------------------------------------------
// Function PROTOTYPES
//-----------------------------------------------------------------------------
#define uchar unsigned char
#define uint unsigned int
void SYSCLK_Init (void);
void delaynus(unsigned int q) ; //N us延时函数
void PORT_Init (void);
void SPI0_Init (void);
void LCD_Init(void);
void SendSPIByte(unsigned char ch);
void delaynms (unsigned int j);
void writecom(unsigned char com);
void writedata(unsigned char d);
void writechar(unsigned char ua);
void lcd_Net(void);
void Write_COM(uchar ins);
void SendSPIByte(uchar disdata);
void lcden(datad);
void LCD_set_xy( unsigned char x, unsigned char y );
void lcd_xhl(void);
void LCD_write_string(unsigned char n);
void lcd_adc(void);
void UART0_Init (void);
void ADC (void);
sbit lcdcs=P3^0;
//-----------------------------------------------------------------------------
// Global CONSTANTS
//-----------------------------------------------------------------------------
#define BAUDRATE 115200 // Baud rate of UART in bps
#define SYSCLK 11059200 // SYSCLK frequency in Hz
#define SAMPLE_RATE 50000 // Sample frequency in Hz
#define INT_DEC 4096 // integrate and decimate ratio
// Includes
//-----------------------------------------------------------------------------
#include
#include
#include
//-----------------------------------------------------------------------------
// Function PROTOTYPES
//-----------------------------------------------------------------------------
#define uchar unsigned char
#define uint unsigned int
void SYSCLK_Init (void);
void delaynus(unsigned int q) ; //N us延时函数
void PORT_Init (void);
void SPI0_Init (void);
void LCD_Init(void);
void SendSPIByte(unsigned char ch);
void delaynms (unsigned int j);
void writecom(unsigned char com);
void writedata(unsigned char d);
void writechar(unsigned char ua);
void lcd_Net(void);
void Write_COM(uchar ins);
void SendSPIByte(uchar disdata);
void lcden(datad);
void LCD_set_xy( unsigned char x, unsigned char y );
void lcd_xhl(void);
void LCD_write_string(unsigned char n);
void lcd_adc(void);
void UART0_Init (void);
void ADC (void);
sbit lcdcs=P3^0;
//-----------------------------------------------------------------------------
// Global CONSTANTS
//-----------------------------------------------------------------------------
#define BAUDRATE 115200 // Baud rate of UART in bps
#define SYSCLK 11059200 // SYSCLK frequency in Hz
#define SAMPLE_RATE 50000 // Sample frequency in Hz
#define INT_DEC 4096 // integrate and decimate ratio
sfr16 DP = 0x82; // data pointer
sfr16 TMR3RL = 0x92; // Timer3 reload value
sfr16 TMR3 = 0x94; // Timer3 counter
sfr16 ADC0 = 0xbe; // ADC0 data
sfr16 ADC0GT = 0xc4; // ADC0 greater than window
sfr16 ADC0LT = 0xc6; // ADC0 less than window
sfr16 RCAP2 = 0xca; // Timer2 capture/reload
sfr16 T2 = 0xcc; // Timer2
sfr16 DAC0 = 0xd2; // DAC0 data
sfr16 DAC1 = 0xd5; // DAC1 data
unsigned char xdata ADC1Data[4];
unsigned int xdata ad_arr[50];
unsigned char datad ,comd,kk,sdf,ppca;
unsigned char virt_port,v,b,m;
unsigned char lcd_data_count;
unsigned char *lcdpoint;
unsigned char qqq;
unsigned char data8;
unsigned int i;
unsigned int AD_MAXT;
unsigned int AD_MINT;
long AD_VAL,AD_VAL_TEST;
unsigned char YYY;
long result;
long fff;
long hhh;
int j,w,z; // temperature in hundredths of a
unsigned int fff_int, fff_frac;
unsigned char p=0,a=0,s,d,f,g=0;
//-----------------------------------------------------------------------------
// MAIN Routine
//-----------------------------------------------------------------------------
void main(void){
unsigned int xdata ad_arr[50];
unsigned char datad ,comd,kk,sdf,ppca;
unsigned char virt_port,v,b,m;
unsigned char lcd_data_count;
unsigned char *lcdpoint;
unsigned char qqq;
unsigned char data8;
unsigned int i;
unsigned int AD_MAXT;
unsigned int AD_MINT;
long AD_VAL,AD_VAL_TEST;
unsigned char YYY;
long result;
long fff;
long hhh;
int j,w,z; // temperature in hundredths of a
unsigned int fff_int, fff_frac;
unsigned char p=0,a=0,s,d,f,g=0;
//-----------------------------------------------------------------------------
// MAIN Routine
//-----------------------------------------------------------------------------
void main(void){
WDTCN = 0xde; // disable watchdog timer
WDTCN = 0xad;
SYSCLK_Init ();
PORT_Init ();
UART0_Init() ; // initialize crossbar and GPIO
SPI0_Init ();
LCD_Init() ;
delaynms(100);
Write_COM(0x00);
delaynms(100);
delaynms(100);
Write_COM(0x01);
delaynms(100);
delaynus (100);
LCD_set_xy(0X00,0);
delaynus (200);
lcd_adc();
delaynus (200);
LCD_write_string(5);
delaynms (100);
while (1)
{
delaynms (100);
ADC ();
}
}
//-----------------------------------------------------------------------------
// Initialization Subroutines
//-----------------------------------------------------------------------------
WDTCN = 0xad;
SYSCLK_Init ();
PORT_Init ();
UART0_Init() ; // initialize crossbar and GPIO
SPI0_Init ();
LCD_Init() ;
delaynms(100);
Write_COM(0x00);
delaynms(100);
delaynms(100);
Write_COM(0x01);
delaynms(100);
delaynus (100);
LCD_set_xy(0X00,0);
delaynus (200);
lcd_adc();
delaynus (200);
LCD_write_string(5);
delaynms (100);
while (1)
{
delaynms (100);
ADC ();
}
}
//-----------------------------------------------------------------------------
// Initialization Subroutines
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
// ADC
//-----------------------------------------------------------------------------
void ADC (void)
{
AMX0CF = 0x60; // AMUX Configuration Register
AMX0SL = 0x00; // AMUX Channel Select Register
ADC0CN = 0x00; // ADC Control Register
REF0CN = 0x03;
ADC0CN |= 0x80;
AD_VAL=0;
AD_VAL_TEST = 0;
for( YYY = 0;YYY<50;YYY++)
{
ad_arr[YYY]=0;
}
YYY=0;
ADCINT = 0;
for(YYY= 0;YYY<50;YYY++) //AD_TIMES=50
{
ADBUSY = 1;
while (!ADCINT);
ADCINT = 0;
_nop_();
_nop_();
_nop_(); //*AD_POINTER = ADC0
ad_arr[YYY]=ADC0;
}
for(YYY=0;YYY<50;YYY++)// for(i = 0;i
AD_VAL_TEST += ad_arr[YYY];
}
AD_VAL = (int)(AD_VAL_TEST/50);
_nop_();
_nop_();
_nop_();
_nop_();
hhh=AD_VAL*5;
hhh=hhh*5;
hhh=hhh*100;
hhh=hhh/4096;
ADC1Data[0]=hhh/1000; //将A/D转化值存到显示数组
ADC1Data[1]=(hhh-1000*ADC1Data[0])/100;
ADC1Data[2]=(hhh-1000*ADC1Data[0]-100*ADC1Data[1])/10;
ADC1Data[3]=hhh-1000*ADC1Data[0]-100*ADC1Data[1]-10*ADC1Data[2];
delaynus (100);
LCD_set_xy(0X05,0);
delaynus (200);
for(qqq=0;qqq<4;qqq++)
{
data8=ADC1Data[qqq];
if(data8>=0x0a) data8 += 0x37;
else data8 += 0x30;
delaynms (200);
writechar(data8);
}
AD_VAL=0;
}
//-----------------------------------------------------------------------------
// PORT_Init
//-----------------------------------------------------------------------------
void PORT_Init (void)
{
// PORT_Init
//-----------------------------------------------------------------------------
void PORT_Init (void)
{
XBR0 = 0x27; // XBAR0: Initial Reset Value
XBR1 = 0x00; // XBAR1: Initial Reset Value
XBR2 = 0x5c; // XBAR2: Initial Reset Value
PRT0CF = 0x14; // Output configuration for P0
PRT1CF = 0x10; // Output configuration for P3
PRT3CF = 0x01; // Output configuration for P3
XBR1 = 0x00; // XBAR1: Initial Reset Value
XBR2 = 0x5c; // XBAR2: Initial Reset Value
PRT0CF = 0x14; // Output configuration for P0
PRT1CF = 0x10; // Output configuration for P3
PRT3CF = 0x01; // Output configuration for P3
}
//-----------------------------------------------------------------------------
// SYSCLK_Init
//-----------------------------------------------------------------------------
void SYSCLK_Init (void)
{
// delaynms counter
OSCXCN = 0x67; // start external oscillator with
for (i=0; i < 256; i++) ; // XTLVLD blanking interval (>1ms)
while (!(OSCXCN & 0x80)) ; // Wait for crystal osc. to settle
OSCICN = 0x88; // select external oscillator as SYSCLK
}
//-----------------------------------------------------------------------------
// SPI0_Init
//-----------------------------------------------------------------------------
void SPI0_Init (void)
{
SPI0CFG = 0x07; // data sampled on 1st SCK rising edge
SPI0CFG|=0xC0; //CKPOL =1;
SPI0CN = 0x03; // Master mode; SPI enabled; flags
SPI0CKR = SYSCLK/2/2000000-1; // SPI clock <= 8MHz (limited by
// EEPROM spec.)
}
//-----------------------------------------------------------------------------
// UART0_Init
//-----------------------------------------------------------------------------
void UART0_Init (void)
{
SCON = 0x50; // SCON: mode 1, 8-bit UART, enable RX
TMOD = 0x20; // TMOD: timer 1, mode 2, 8-bit reload
TH1 = -(SYSCLK/BAUDRATE/16); // set Timer1 reload value for baudrate
TR1 = 1; // start Timer1
CKCON |= 0x10; // Timer1 uses SYSCLK as time base
PCON |= 0x80; // SMOD = 1
TI = 1; // Indicate TX ready
}
//-----------------------------------------------------------------------------
// LCD_Init
//-----------------------------------------------------------------------------
void LCD_Init(void) //向LCD送命令
//-----------------------------------------------------------------------------
// SYSCLK_Init
//-----------------------------------------------------------------------------
void SYSCLK_Init (void)
{
// delaynms counter
OSCXCN = 0x67; // start external oscillator with
for (i=0; i < 256; i++) ; // XTLVLD blanking interval (>1ms)
while (!(OSCXCN & 0x80)) ; // Wait for crystal osc. to settle
OSCICN = 0x88; // select external oscillator as SYSCLK
}
//-----------------------------------------------------------------------------
// SPI0_Init
//-----------------------------------------------------------------------------
void SPI0_Init (void)
{
SPI0CFG = 0x07; // data sampled on 1st SCK rising edge
SPI0CFG|=0xC0; //CKPOL =1;
SPI0CN = 0x03; // Master mode; SPI enabled; flags
SPI0CKR = SYSCLK/2/2000000-1; // SPI clock <= 8MHz (limited by
// EEPROM spec.)
}
//-----------------------------------------------------------------------------
// UART0_Init
//-----------------------------------------------------------------------------
void UART0_Init (void)
{
SCON = 0x50; // SCON: mode 1, 8-bit UART, enable RX
TMOD = 0x20; // TMOD: timer 1, mode 2, 8-bit reload
TH1 = -(SYSCLK/BAUDRATE/16); // set Timer1 reload value for baudrate
TR1 = 1; // start Timer1
CKCON |= 0x10; // Timer1 uses SYSCLK as time base
PCON |= 0x80; // SMOD = 1
TI = 1; // Indicate TX ready
}
//-----------------------------------------------------------------------------
// LCD_Init
//-----------------------------------------------------------------------------
void LCD_Init(void) //向LCD送命令
{
// unsigned int xdata x;
delaynms(100);
datad=0x00;
SendSPIByte(datad);
delaynms(10);
Write_COM(0x30);
delaynms(10);
Write_COM(0x30);
delaynms(10);
Write_COM(0x30);
delaynms(10) ;
Write_COM(0x28);
delaynms(100);
virt_port=0;
SendSPIByte(virt_port);
lcden(virt_port);
Write_COM(0x01);
delaynms(100);
Write_COM(0x06);
delaynms(10) ;
Write_COM(0x0C);
delaynms(500) ;
delaynms(100);
datad=0x00;
SendSPIByte(datad);
delaynms(10);
Write_COM(0x30);
delaynms(10);
Write_COM(0x30);
delaynms(10);
Write_COM(0x30);
delaynms(10) ;
Write_COM(0x28);
delaynms(100);
virt_port=0;
SendSPIByte(virt_port);
lcden(virt_port);
Write_COM(0x01);
delaynms(100);
Write_COM(0x06);
delaynms(10) ;
Write_COM(0x0C);
delaynms(500) ;
}
//-----------------------------------------------------------------------------
// SendSPIByte
//-----------------------------------------------------------------------------
void SendSPIByte(unsigned char ch)
{ lcdcs=1;
delaynus(100);
SPIF = 0;
SPI0DAT = ch;
while (SPIF == 0);
delaynus(100);
lcdcs=0;
delaynus(100);
_nop_(); // 等待写结束
}
//-----------------------------------------------------------------------------
// lcden
//-----------------------------------------------------------------------------
void lcden(datad)
{
datad|=0x08;
SendSPIByte(datad);
datad&=0xf7;
SendSPIByte(datad);
}
//-----------------------------------------------------------------------------
// delaynms
//-----------------------------------------------------------------------------
void delaynms (unsigned int uu)
{
unsigned int oo,ll;
for (oo=0;oo {
for(ll=0;ll<1140;ll++);
}
}
//-----------------------------------------------------------------------------
// writechar
//-----------------------------------------------------------------------------
void writechar(unsigned char ua)
{
uint j;
uchar t,x;
for(j=0;j<500;j++);
datad|=0x02;
SendSPIByte(datad);
datad|=ua&0xf0;
SendSPIByte(datad);
datad|=0x08;
SendSPIByte(datad);
for(x=0;x<3;x++);
datad&=0xf7;
SendSPIByte(datad);
for(x=0;x<3;x++);
datad&=0x07;
delaynus(100);
SendSPIByte(virt_port);
//-----------------------------------------------------------------------------
// SendSPIByte
//-----------------------------------------------------------------------------
void SendSPIByte(unsigned char ch)
{ lcdcs=1;
delaynus(100);
SPIF = 0;
SPI0DAT = ch;
while (SPIF == 0);
delaynus(100);
lcdcs=0;
delaynus(100);
_nop_(); // 等待写结束
}
//-----------------------------------------------------------------------------
// lcden
//-----------------------------------------------------------------------------
void lcden(datad)
{
datad|=0x08;
SendSPIByte(datad);
datad&=0xf7;
SendSPIByte(datad);
}
//-----------------------------------------------------------------------------
// delaynms
//-----------------------------------------------------------------------------
void delaynms (unsigned int uu)
{
unsigned int oo,ll;
for (oo=0;oo
for(ll=0;ll<1140;ll++);
}
}
//-----------------------------------------------------------------------------
// writechar
//-----------------------------------------------------------------------------
void writechar(unsigned char ua)
{
uint j;
uchar t,x;
for(j=0;j<500;j++);
datad|=0x02;
SendSPIByte(datad);
datad|=ua&0xf0;
SendSPIByte(datad);
datad|=0x08;
SendSPIByte(datad);
for(x=0;x<3;x++);
datad&=0xf7;
SendSPIByte(datad);
for(x=0;x<3;x++);
datad&=0x07;
delaynus(100);
SendSPIByte(virt_port);
t|=ua&0x0f;
datad|=t<<4;
SendSPIByte(datad);
for(x=0;x<3;x++);
datad|=0x08;
SendSPIByte(datad);
for(x=0;x<3;x++);
datad&=0xf7;
SendSPIByte(datad);
for(x=0;x<3;x++);
datad=0x00;
t=0x00;
SendSPIByte(datad);
}
//-----------------------------------------------------------------------------
// Write_COM
//-----------------------------------------------------------------------------
void Write_COM(uchar ins)
{
uchar t;
uint j;
for(j=0;j<5000;j++); //用延时代替查询
virt_port|=ins&0xf0;
SendSPIByte(virt_port);
//LCDE=1;
virt_port|=0x08;
SendSPIByte(virt_port);
for(i=3;i>0;i--);
//LCDE=0;
virt_port&=~0x08;
SendSPIByte(virt_port);
datad|=t<<4;
SendSPIByte(datad);
for(x=0;x<3;x++);
datad|=0x08;
SendSPIByte(datad);
for(x=0;x<3;x++);
datad&=0xf7;
SendSPIByte(datad);
for(x=0;x<3;x++);
datad=0x00;
t=0x00;
SendSPIByte(datad);
}
//-----------------------------------------------------------------------------
// Write_COM
//-----------------------------------------------------------------------------
void Write_COM(uchar ins)
{
uchar t;
uint j;
for(j=0;j<5000;j++); //用延时代替查询
virt_port|=ins&0xf0;
SendSPIByte(virt_port);
//LCDE=1;
virt_port|=0x08;
SendSPIByte(virt_port);
for(i=3;i>0;i--);
//LCDE=0;
virt_port&=~0x08;
SendSPIByte(virt_port);
virt_port&=0x07;
SendSPIByte(virt_port);
t=ins<<4;
virt_port|=t&0xf0;
SendSPIByte(virt_port);
//LCDE=1;
virt_port|=0x08;
SendSPIByte(virt_port);
for(i=3;i>0;i--);
//LCDE=0;
virt_port&=~0x08;
SendSPIByte(virt_port);
virt_port=0;
SendSPIByte(virt_port);
}
//-----------------------------------------------------------------------------
// LCD_set_xy
//-----------------------------------------------------------------------------
void LCD_set_xy( unsigned char x, unsigned char y )
{
unsigned char address;
if (y == 0) address = 0x80 + x;
else
address = 0xc0 + x;
Write_COM(address);
}
//-----------------------------------------------------------------------------
// LCD_write_string
//-----------------------------------------------------------------------------
void LCD_write_string(unsigned char n)
{
SendSPIByte(virt_port);
t=ins<<4;
virt_port|=t&0xf0;
SendSPIByte(virt_port);
//LCDE=1;
virt_port|=0x08;
SendSPIByte(virt_port);
for(i=3;i>0;i--);
//LCDE=0;
virt_port&=~0x08;
SendSPIByte(virt_port);
virt_port=0;
SendSPIByte(virt_port);
}
//-----------------------------------------------------------------------------
// LCD_set_xy
//-----------------------------------------------------------------------------
void LCD_set_xy( unsigned char x, unsigned char y )
{
unsigned char address;
if (y == 0) address = 0x80 + x;
else
address = 0xc0 + x;
Write_COM(address);
}
//-----------------------------------------------------------------------------
// LCD_write_string
//-----------------------------------------------------------------------------
void LCD_write_string(unsigned char n)
{
unsigned char data1;
for(n;n>0;n--)
{
for(n;n>0;n--)
{
data1=*lcdpoint;
writechar(data1);
delaynms(100);
writechar(data1);
delaynms(100);
lcdpoint++;
delaynus(10);
}
delaynus(10);
}
}
//-----------------------------------------------------------------------------
// delaynus
//-----------------------------------------------------------------------------
void delaynus(unsigned int q) //N us延时函数
{
for (i=0;i {
_nop_();
}
}
//-----------------------------------------------------------------------------
// lcd_adc
//-----------------------------------------------------------------------------
void lcd_adc(void)
{
unsigned char xdata ADC0Data[5]=;
lcdpoint=&ADC0Data;
}
//-----------------------------------------------------------------------------
// delaynus
//-----------------------------------------------------------------------------
void delaynus(unsigned int q) //N us延时函数
{
for (i=0;i
_nop_();
}
}
//-----------------------------------------------------------------------------
// lcd_adc
//-----------------------------------------------------------------------------
void lcd_adc(void)
{
unsigned char xdata ADC0Data[5]=;
lcdpoint=&ADC0Data;
}
利用C8051F005的DA,AD通过HD7279实现数据处理类问题(C语言)
//-----------------------------------------------------------------------------
// Includes
//-----------------------------------------------------------------------------
#include
#include
#include
//-----------------------------------------------------------------------------
// Function PROTOTYPES
//-----------------------------------------------------------------------------
#define uchar unsigned char
#define uint unsigned int
void SYSCLK_Init (void);
void PORT_Init (void);
void DAC (void);
void ADC (void);
void long_delay(void); // 长延时
void short_delay(void); // 短暂延时
void delay10ms(unsigned char); // 延时10MS
void delaynus(unsigned int q) ; //N us延时函数
void delaynms (unsigned int j);
void write7279(unsigned char, unsigned char); // 写入到HD7279
unsigned char read7279(unsigned char command);
void send_byte(unsigned char); // 发送一个字节
unsigned char receive_byte(void);
void DA_dispdata(void);
void AD_dispdata(void);
void dispStep();
void dispReset();
//-----------------------------------------------------------------------------
// Global CONSTANTS
//-----------------------------------------------------------------------------
#define BAUDRATE 115200 // Baud rate of UART in bps
#define SYSCLK 11059200 // SYSCLK frequency in Hz
#define SAMPLE_RATE 50000 // Sample frequency in Hz
#define INT_DEC 4096 // integrate and decimate ratio
// Includes
//-----------------------------------------------------------------------------
#include
#include
#include
//-----------------------------------------------------------------------------
// Function PROTOTYPES
//-----------------------------------------------------------------------------
#define uchar unsigned char
#define uint unsigned int
void SYSCLK_Init (void);
void PORT_Init (void);
void DAC (void);
void ADC (void);
void long_delay(void); // 长延时
void short_delay(void); // 短暂延时
void delay10ms(unsigned char); // 延时10MS
void delaynus(unsigned int q) ; //N us延时函数
void delaynms (unsigned int j);
void write7279(unsigned char, unsigned char); // 写入到HD7279
unsigned char read7279(unsigned char command);
void send_byte(unsigned char); // 发送一个字节
unsigned char receive_byte(void);
void DA_dispdata(void);
void AD_dispdata(void);
void dispStep();
void dispReset();
//-----------------------------------------------------------------------------
// Global CONSTANTS
//-----------------------------------------------------------------------------
#define BAUDRATE 115200 // Baud rate of UART in bps
#define SYSCLK 11059200 // SYSCLK frequency in Hz
#define SAMPLE_RATE 50000 // Sample frequency in Hz
#define INT_DEC 4096 // integrate and decimate ratio
sfr16 DP = 0x82; // data pointer
sfr16 TMR3RL = 0x92; // Timer3 reload value
sfr16 TMR3 = 0x94; // Timer3 counter
sfr16 ADC0 = 0xbe; // ADC0 data
sfr16 ADC0GT = 0xc4; // ADC0 greater than window
sfr16 ADC0LT = 0xc6; // ADC0 less than window
sfr16 RCAP2 = 0xca; // Timer2 capture/reload
sfr16 T2 = 0xcc; // Timer2
sfr16 DAC0 = 0xd2; // DAC0 data
sfr16 DAC1 = 0xd5; // DAC1 data
sfr16 TMR3RL = 0x92; // Timer3 reload value
sfr16 TMR3 = 0x94; // Timer3 counter
sfr16 ADC0 = 0xbe; // ADC0 data
sfr16 ADC0GT = 0xc4; // ADC0 greater than window
sfr16 ADC0LT = 0xc6; // ADC0 less than window
sfr16 RCAP2 = 0xca; // Timer2 capture/reload
sfr16 T2 = 0xcc; // Timer2
sfr16 DAC0 = 0xd2; // DAC0 data
sfr16 DAC1 = 0xd5; // DAC1 data
sbit cs=P3^2; // cs at P1.4
sbit clk=P3^3; // clk 连接于 P1.5
sbit dat=P3^1; // dat 连接于 P1.2
sbit key=P1^0; // key 连接于 P1.3
sbit clk=P3^3; // clk 连接于 P1.5
sbit dat=P3^1; // dat 连接于 P1.2
sbit key=P1^0; // key 连接于 P1.3
unsigned int xdata ad_arr[50];
unsigned char datad ,comd,kk,sdf,ppca;
unsigned char virt_port,v,b,m;
unsigned int tmr,ig,is,ib,iq,rg,rs,rb,rq;
unsigned char qqq;
unsigned char data8;
unsigned int i;
unsigned int AD_MAXT;
unsigned int AD_MINT;
long AD_VAL,AD_VAL_TEST;
unsigned char YYY;
long result;
long fff;
long hhh,ddd;
int j,w,z; // temperature in hundredths of a
unsigned int fff_int, fff_frac;
unsigned char p=0,a=0,s,d,f,g=0;
data unsigned char digit[5];
data unsigned char key_number, e, k;
unsigned long cnter;
unsigned long CurValue;
unsigned char CurStepLen;
unsigned long Decvalue0;
float Decvalue1,Decvalue2,Decvalue3;
unsigned char datad ,comd,kk,sdf,ppca;
unsigned char virt_port,v,b,m;
unsigned int tmr,ig,is,ib,iq,rg,rs,rb,rq;
unsigned char qqq;
unsigned char data8;
unsigned int i;
unsigned int AD_MAXT;
unsigned int AD_MINT;
long AD_VAL,AD_VAL_TEST;
unsigned char YYY;
long result;
long fff;
long hhh,ddd;
int j,w,z; // temperature in hundredths of a
unsigned int fff_int, fff_frac;
unsigned char p=0,a=0,s,d,f,g=0;
data unsigned char digit[5];
data unsigned char key_number, e, k;
unsigned long cnter;
unsigned long CurValue;
unsigned char CurStepLen;
unsigned long Decvalue0;
float Decvalue1,Decvalue2,Decvalue3;
/****** HD7279A 指令 ******/
#define CMD_RESET 0xa4
#define CMD_TEST 0xbf
#define DECODE0 0x80
#define DECODE1 0xc8
#define UNDECODE 0x90
#define RLC 0xa3
#define RRC 0xa2
#define RL 0xa1
#define RC 0xa0
#define HIDE 0x98
#define FLASH 0x88
#define SEGON 0xe0
#define SEGOFF 0xc0
#define CMD_READ 0x15
/***Main***/
void main(void)
{
WDTCN = 0xde; // disable watchdog timer
WDTCN = 0xad;
SYSCLK_Init ();
PORT_Init ();
cnter=0;
Decvalue0 = 0;
CurStepLen = 1;
for (tmr=0;tmr<0x2000;tmr++); // 上电延时
send_byte(CMD_RESET);
write7279(FLASH,0XFF);
write7279(HIDE,0x0f);
#define CMD_RESET 0xa4
#define CMD_TEST 0xbf
#define DECODE0 0x80
#define DECODE1 0xc8
#define UNDECODE 0x90
#define RLC 0xa3
#define RRC 0xa2
#define RL 0xa1
#define RC 0xa0
#define HIDE 0x98
#define FLASH 0x88
#define SEGON 0xe0
#define SEGOFF 0xc0
#define CMD_READ 0x15
/***Main***/
void main(void)
{
WDTCN = 0xde; // disable watchdog timer
WDTCN = 0xad;
SYSCLK_Init ();
PORT_Init ();
cnter=0;
Decvalue0 = 0;
CurStepLen = 1;
for (tmr=0;tmr<0x2000;tmr++); // 上电延时
send_byte(CMD_RESET);
write7279(FLASH,0XFF);
write7279(HIDE,0x0f);
while (1)
{
key_number=0xff;
write7279(FLASH,0xf0); // 第1、2两位设为闪烁显示
write7279(UNDECODE ,0X08); // 在第1位显示下划线'_'
write7279(UNDECODE+1,0x08); // 在第2位显示下划线'_'
write7279(UNDECODE+2,0X08);
write7279(UNDECODE+3,0X08);
do
{
if (!key) // 如果有键按下
IE=0x81;
{
key_number=read7279(CMD_READ); // 读出键码
if (key_number < 0x0a) //0~9输入
{
digit[cnter] = key_number;
Decvalue0 = Decvalue0*10+digit[cnter];
send_byte(RLC); // delay10ms(12);
for(e=0;e<=cnter;e++)
{
write7279(DECODE1+3-e,digit[e]&0x0f);//delay10ms(5)
}
if (cnter==3)
{
DA_dispdata();
cnter=0;
}
else
}
}
if (key_number==0x0a) //ADD
{
Decvalue0 =Decvalue0 + CurStepLen;
DA_dispdata();
}
if (key_number==0x0b) //Dec
{
if (Decvalue0 > CurStepLen)
{
Decvalue0 =Decvalue0 - CurStepLen;
DA_dispdata();
}
}
if (key_number==0x0C) //Clear
{
send_byte(CMD_RESET);
write7279(HIDE,0x0f);
Decvalue0 = 0;
cnter=0;
dispReset();
}
if (key_number==0x0d) //Ok
{
write7279(FLASH,0xff);
DAC(); // 清除闪烁设置
}
if (key_number==0x0E) // Change Step Len
{
write7279(FLASH,0xf0);
if ( CurStepLen ==1)
{
CurStepLen =10;
}
else{ CurStepLen =1;}
dispStep();
delay10ms(100);
write7279(FLASH,0xff);// DAData = CurValue;
}
if (key_number==0x0F) //Set Current Value
{
write7279(HIDE,0x0f);
Decvalue0 =0;
cnter=0;
write7279(FLASH,0xf0); // 第1、2两位设为闪烁显示
for (e=0;e<4;e++)
write7279(UNDECODE+e,0X08); // 在第1位显示下划线'_'
// dispStep();
// DAData = CurValue;
}
key_number = 0xff;
while (!key);
IE=0x00;
} while(1); // 等待按键放开
}
}
/***DAC***/
void DAC (void)
{
REF0CN = 0x03; // Reference Control Register
DAC0CN = 0x80; // DAC0 Control Register
DAC0L = 0xFF; // DAC0 Low Byte Register
DAC0H = 0x0F; %2
{
key_number=0xff;
write7279(FLASH,0xf0); // 第1、2两位设为闪烁显示
write7279(UNDECODE ,0X08); // 在第1位显示下划线'_'
write7279(UNDECODE+1,0x08); // 在第2位显示下划线'_'
write7279(UNDECODE+2,0X08);
write7279(UNDECODE+3,0X08);
do
{
if (!key) // 如果有键按下
IE=0x81;
{
key_number=read7279(CMD_READ); // 读出键码
if (key_number < 0x0a) //0~9输入
{
digit[cnter] = key_number;
Decvalue0 = Decvalue0*10+digit[cnter];
send_byte(RLC); // delay10ms(12);
for(e=0;e<=cnter;e++)
{
write7279(DECODE1+3-e,digit[e]&0x0f);//delay10ms(5)
}
if (cnter==3)
{
DA_dispdata();
cnter=0;
}
else
}
}
if (key_number==0x0a) //ADD
{
Decvalue0 =Decvalue0 + CurStepLen;
DA_dispdata();
}
if (key_number==0x0b) //Dec
{
if (Decvalue0 > CurStepLen)
{
Decvalue0 =Decvalue0 - CurStepLen;
DA_dispdata();
}
}
if (key_number==0x0C) //Clear
{
send_byte(CMD_RESET);
write7279(HIDE,0x0f);
Decvalue0 = 0;
cnter=0;
dispReset();
}
if (key_number==0x0d) //Ok
{
write7279(FLASH,0xff);
DAC(); // 清除闪烁设置
}
if (key_number==0x0E) // Change Step Len
{
write7279(FLASH,0xf0);
if ( CurStepLen ==1)
{
CurStepLen =10;
}
else{ CurStepLen =1;}
dispStep();
delay10ms(100);
write7279(FLASH,0xff);// DAData = CurValue;
}
if (key_number==0x0F) //Set Current Value
{
write7279(HIDE,0x0f);
Decvalue0 =0;
cnter=0;
write7279(FLASH,0xf0); // 第1、2两位设为闪烁显示
for (e=0;e<4;e++)
write7279(UNDECODE+e,0X08); // 在第1位显示下划线'_'
// dispStep();
// DAData = CurValue;
}
key_number = 0xff;
while (!key);
IE=0x00;
} while(1); // 等待按键放开
}
}
/***DAC***/
void DAC (void)
{
REF0CN = 0x03; // Reference Control Register
DAC0CN = 0x80; // DAC0 Control Register
DAC0L = 0xFF; // DAC0 Low Byte Register
DAC0H = 0x0F; %2
C8051F005的中文数据简介
模拟外设
8051 兼容的微控制器内核
100KSPS ADC
12 位 流水线指令结构 70%的指令的执行时间为一个或两 1LSB INL
个系统时钟周期 无失码
时钟频率为 25MHz时 速度可达 25MIPS 可编程转换速率 增强的中断系统
最大 100ksps 可有最多 22个中断源
可编程为单端输入或差分输入 8个外部输入 存储器
16 8 4 2 1 0.5 可编程放大器增益 2304字节数据存储器 数据相关窗口中断发生器 32K 字节闪速存储器 可以在系统编程扇区大小为 内置温度传感器 3°C
512字节
两个 12 位 DAC
数字外设 电压输出 32个 I/O口线 所有口线均容许 5V电压
2 TM TM TM 10微秒建立时间
C /SMBus SPI 可同时使用的硬件 I 及 UART串
两个比较器
口 16个可编程滞回电压值 16 位可编程的计数器/定时器阵列 带 5 个捕获/比较可用于产生中断或复位
模块 每一个都可配置为 8位 PWM
基准源 4个通用 16位计数器/定时器 2.4V
15ppm/°C 双向复位 专用的看门狗定时器外部基准输入 时钟源
VDD 监视器和节电降压检测器 内部可编程振荡器 2-16MHz
片内 JTAG 仿真 外部振荡器 晶体 RC C 或外部时钟 片内 JTAG 仿真电路提供全速 非侵入式的电路内 节电模式时使用 可在运行中切换时钟源
仿真 供电电压………………………………2.7V - 3.6V 典型工作电流 支持断点
单步 观察点 12mA @ 25MHz 观察/修改存储器和寄存器 多种节电休眠和停机模式 比使用仿真芯片 目标仿真头和仿真插座的仿真系 64 脚 TQFP 封装
-40°C - +85°C
统有更好的性能 温度范围
8051 兼容的微控制器内核
100KSPS ADC
12 位 流水线指令结构 70%的指令的执行时间为一个或两 1LSB INL
个系统时钟周期 无失码
时钟频率为 25MHz时 速度可达 25MIPS 可编程转换速率 增强的中断系统
最大 100ksps 可有最多 22个中断源
可编程为单端输入或差分输入 8个外部输入 存储器
16 8 4 2 1 0.5 可编程放大器增益 2304字节数据存储器 数据相关窗口中断发生器 32K 字节闪速存储器 可以在系统编程扇区大小为 内置温度传感器 3°C
512字节
两个 12 位 DAC
数字外设 电压输出 32个 I/O口线 所有口线均容许 5V电压
2 TM TM TM 10微秒建立时间
C /SMBus SPI 可同时使用的硬件 I 及 UART串
两个比较器
口 16个可编程滞回电压值 16 位可编程的计数器/定时器阵列 带 5 个捕获/比较可用于产生中断或复位
模块 每一个都可配置为 8位 PWM
基准源 4个通用 16位计数器/定时器 2.4V
15ppm/°C 双向复位 专用的看门狗定时器外部基准输入 时钟源
VDD 监视器和节电降压检测器 内部可编程振荡器 2-16MHz
片内 JTAG 仿真 外部振荡器 晶体 RC C 或外部时钟 片内 JTAG 仿真电路提供全速 非侵入式的电路内 节电模式时使用 可在运行中切换时钟源
仿真 供电电压………………………………2.7V - 3.6V 典型工作电流 支持断点
单步 观察点 12mA @ 25MHz 观察/修改存储器和寄存器 多种节电休眠和停机模式 比使用仿真芯片 目标仿真头和仿真插座的仿真系 64 脚 TQFP 封装
-40°C - +85°C
统有更好的性能 温度范围