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最近在弄一个喷黑的东西，但是遇到了个问题一直得不到解决。喷头用的是XJ128，接上喷头，上电后，喷头那边反馈回来的信号只有80us，但datasheet上边说至少有120us，这个时间不够写入数据呀，不知道有没有人搞过这类的东西，请教一下。下边贴出程序和上传手册
喷头的数据手册ourdev_619324HXZTX0.pdf(文件大小:2.01M) (原文件名:D031010302A - XJ128 Guide to Operation CV.pdf)
#include <mega16.h>
#include <delay.h>
// Standard Input/Output functions
#include <stdio.h>
// SPI functions
#include <spi.h>
#define SPIF 7
#define set_bit(val, bitn) (val |=(1<<(bitn)))
#define clr_bit(val, bitn) (val&=~(1<<(bitn)))
#define get_bit(val, bitn) (val &(1<<(bitn)) )
/*各个引脚定义******************************************/
#define set_CCTR1() (PORTB |=(1<<0)) //VDD上电通断开关控制
#define clr_CCTR1() (PORTB&=~(1<<0))
#define set_CCTR2() (PORTB |=(1<<1)) //VPPH，VPPL上电通断开关控制
#define clr_CCTR2() (PORTB&=~(1<<1))
#define set_nSS1() (PORTB |=(1<<2)) //片选1
#define clr_nSS1() (PORTB&=~(1<<2))
#define set_nSS2() (PORTB |=(1<<3)) //片选2
#define clr_nSS2() (PORTB&=~(1<<3))
#define set_nFIRE() (PORTB |=(1<<4)) //开火
#define clr_nFIRE() (PORTB&=~(1<<4))
#define set_PHO() (PORTA |=(1<<2)) //喷墨顺序
#define clr_PHO() (PORTA&=~(1<<2))
#define set_nRESET() (PORTA |=(1<<3)) //喷头复位
#define clr_nRESET() (PORTA&=~(1<<3))
#define set_485() (PORTD |=(1<<7))
#define clr_485() (PORTD&=~(1<<7))
#define get_READY() (PINA &(1<<0) ) //ready反馈信号，表明数据已经传送完毕
#define get_nFAULT() (PINA &(1<<1) ) //喷头温度过高出错反馈信号
/*******************************************************************************/
// Declare your global variables here
unsigned char Print_dataH[8]={0xFE,0xFD,0xFB,0xF7,0xEF,0xDF,0xBF,0xFF};
unsigned char Print_dataL[8]={0x01,0x02,0x04,0x08,0x0F,0x1F,0x4F,0xFF};
/*******************************************************************************/
void SPI_Init(void)
{
SPCR = 0;
SPCR = 0x59; //使能SPI,主机方式,MSB在前,模式2,16分频(59)
}
/***************************************************************/
unsigned char SPI_RW(unsigned char data)
{
unsigned char temp ;
SPDR = data;
while(!(SPSR & (1<<SPIF)));
temp = SPDR;
return temp;
}
/*******************************************************************************/
//写入数据的函数。估计是这个函数的问题，但是找不到原因呀，哪位大牛给看看
void send_data(void)
{
unsigned char i;
// set_nSS1();
// set_nSS2();
clr_nFIRE();
delay_us(1);
set_nFIRE();
delay_us(2);
//if(!get_READY())
// {
clr_nSS2();
delay_us(250);
for(i=0;i<8;i++)
{
SPI_RW(Print_dataH);
}
delay_us(1);
set_nSS2();
clr_nSS1();
delay_us(10);
for(i=0;i<8;i++)
{
SPI_RW(Print_dataL);
}
delay_us(1);
set_nSS1();
// }
delay_us(10);
clr_nFIRE();
delay_us(1);
set_nFIRE();
delay_us(180);
/* if(get_READY())
{
if(get_nFAULT())
{
clr_nFIRE();
delay_us(1);
set_nFIRE();
}
else
{
clr_nRESET();
delay_ms(50);
clr_CCTR2();
delay_ms(50);
clr_CCTR1();
} */
// }
}
/*******************************************************************************/
void main(void)
{
// Declare your local variables here
// unsigned char get_data;
// Input/Output Ports initialization
// Port A initialization
// Func7=In Func6=In Func5=In Func4=In Func3=In Func2=In Func1=In Func0=In
// State7=T State6=T State5=T State4=T State3=T State2=T State1=T State0=T
PORTA=0xF0;
DDRA=0xFC;//FC
// Port B initialization
// Func7=Out Func6=In Func5=Out Func4=Out Func3=In Func2=In Func1=In Func0=In
// State7=0 State6=T State5=0 State4=0 State3=T State2=T State1=T State0=T
PORTB=0xBC;
DDRB=0xBF;
// Port C initialization
// Func7=In Func6=In Func5=In Func4=In Func3=In Func2=In Func1=In Func0=In
// State7=T State6=T State5=T State4=T State3=T State2=T State1=T State0=T
PORTC=0x03;
DDRC=0x03;
// Port D initialization
// Func7=In Func6=In Func5=In Func4=In Func3=In Func2=In Func1=In Func0=In
// State7=T State6=T State5=T State4=T State3=T State2=T State1=T State0=T
PORTD=0xFF;
DDRD=0xFF;
// Timer/Counter 0 initialization
// Clock source: System Clock
// Clock value: Timer 0 Stopped
// Mode: Normal top=FFh
// OC0 output: Disconnected
TCCR0=0x00;
TCNT0=0x00;
OCR0=0x00;
// Timer/Counter 1 initialization
// Clock source: System Clock
// Clock value: Timer 1 Stopped
// Mode: Normal top=FFFFh
// OC1A output: Discon.
// OC1B output: Discon.
// Noise Canceler: Off
// Input Capture on Falling Edge
// Timer 1 Overflow Interrupt: Off
// Input Capture Interrupt: Off
// Compare A Match Interrupt: Off
// Compare B Match Interrupt: Off
TCCR1A=0x00;
TCCR1B=0x00;
TCNT1H=0x00;
TCNT1L=0x00;
ICR1H=0x00;
ICR1L=0x00;
OCR1AH=0x00;
OCR1AL=0x00;
OCR1BH=0x00;
OCR1BL=0x00;
// Timer/Counter 2 initialization
// Clock source: System Clock
// Clock value: Timer 2 Stopped
// Mode: Normal top=FFh
// OC2 output: Disconnected
ASSR=0x00;
TCCR2=0x00;
TCNT2=0x00;
OCR2=0x00;
// External Interrupt(s) initialization
// INT0: Off
// INT1: Off
// INT2: Off
MCUCR=0x00;
MCUCSR=0x00;
// Timer(s)/Counter(s) Interrupt(s) initialization
TIMSK=0x00;
// USART initialization
// Communication Parameters: 8 Data, 1 Stop, No Parity
// USART Receiver: On
// USART Transmitter: On
// USART Mode: Asynchronous
// USART Baud Rate: 9600
UCSRA=0x00;
UCSRB=0x18;
UCSRC=0x86;
UBRRH=0x00;
UBRRL=0x81;
// Analog Comparator initialization
// Analog Comparator: Off
// Analog Comparator Input Capture by Timer/Counter 1: Off
ACSR=0x80;
SFIOR=0x00;
// SPI initialization
// SPI Type: Master
// SPI Clock Rate: 5000.000 kHz
// SPI Clock Phase: Cycle Half
// SPI Clock Polarity: Low
// SPI Data Order: MSB First
//SPCR=0x50;
//SPSR=0x00;
SPI_Init();
set_CCTR1(); //上电时序
delay_ms(200);
set_CCTR2();
delay_ms(200);
set_nRESET();
delay_ms(200);
set_PHO();
set_nSS2();
set_nSS1();
while (1)
{
// Place your code here
send_data();
};
} |
阿莫论坛20周年了！感谢大家的支持与爱护！！
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发表于 2011-3-2 11:01:32
楼主
