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主要代码如下:
/*****************************************************
This program was produced by the
CodeWizardAVR V2.03.4 Standard
Automatic Program Generator
?Copyright 1998-2008 Pavel Haiduc, HP InfoTech s.r.l.
http://www.hpinfotech.com
Project :
Version :
Date : 2010-3-7
Author :
Company :
Comments:
Chip type : ATmega162
Program type : Application
Clock frequency : 4.000000 MHz
Memory model : Small
External RAM size : 0
Data Stack size : 256
*****************************************************/
#include <mega162.h>
#include <delay.h>
#define uint8_t char
#define uint16_t int
#define uint32_t long int
#define CF_DATA_REG 0
#define CF_ERROR_REG 1
#define CF_FEATURE_REG 1
#define CF_SECTOR_COUNT_REG 2
#define CF_SECTOR_REG 3
#define CF_LBA_0_7_REG 3
#define CF_CYLINDER_L_REG 4
#define CF_LBA_8_15_REG 4
#define CF_CYLINDER_H_REG 5
#define CF_LBA_16_23_REG 5
#define CF_HEAD_REG 6
#define CF_LBA_24_27_REG 6
#define CF_DRIVER_REG 6
#define CF_STATUS_REG 7
#define CF_COMMAND_REG 7
#define CCF_DATA_REG PORTC&=0xf8
#define CCF_ERROR_REG PORTC=(PORTC&0xf8)|0x01
#define CCF_FEATURE_REG PORTC=(PORTC&0xf8)|0x01
#define CCF_SECTOR_COUNT_REG PORTC=(PORTC&0xf8)|0x02
#define CCF_SECTOR_REG PORTC=(PORTC&0xf8)|0x03
#define CCF_LBA_0_7_REG PORTC=(PORTC&0xf8)|0x03
#define CCF_CYLINDER_L_REG PORTC=(PORTC&0xf8)|0x04
#define CCF_LBA_8_15_REG PORTC=(PORTC&0xf8)|0x04
#define CCF_CYLINDER_H_REG PORTC=(PORTC&0xf8)|0x05
#define CCF_LBA_16_23_REG PORTC=(PORTC&0xf8)|0x05
#define CCF_HEAD_REG PORTC=(PORTC&0xf8)|0x06
#define CCF_LBA_24_27_REG PORTC=(PORTC&0xf8)|0x06
#define CCF_DRIVER_REG PORTC=(PORTC&0xf8)|0x06
#define CCF_STATUS_REG PORTC=(PORTC&0xf8)|0x07
#define CCF_COMMAND_REG PORTC=(PORTC&0xf8)|0x07
#define CF_CMD_DIAGNOSTIC 0x90 //诊断
#define CF_CMD_IDENTITY 0xec //读CF卡信息
#define CF_CMD_READSECTOR 0x20 //读扇区
#define CF_CMD_SETFEATURE 0xef //设置特性
#define CF_CMD_SLEEP 0x99 //进入Sleep模式(省电)
#define CF_CMD_STANDBY 0x96 //进入Standby模式
#define CF_CMD_WRITESECTOR 0x30 //写扇区
#define CF_LBA_MASTER 0xe0
#define CF_LBA_SLAVE 0xf0
extern uint16_t CF_DataOffset;
extern uint32_t CF_CurrentLBA;
uint16_t CF_DataOffset;
uint32_t CF_CurrentLBA;
void outb(char reg,char data)//把data写入reg寄存器函数
{
switch (reg) //选择寄存器
{
case CF_DATA_REG: {
CCF_DATA_REG;
break;}
case CF_ERROR_REG: {CCF_ERROR_REG; break;}
//case CF_FEATURE_REG: {CCF_FEATURE_REG; break;}
case CF_SECTOR_COUNT_REG: {CCF_SECTOR_COUNT_REG; break;}
case CF_SECTOR_REG: {CCF_SECTOR_REG; break;}
//case CF_LBA_0_7_REG: {CCF_LBA_0_7_REG; break;}
case CF_CYLINDER_L_REG: {CCF_CYLINDER_L_REG; break;}
//case CF_LBA_8_15_REG: {CCF_LBA_8_15_REG; break;}
case CF_CYLINDER_H_REG: {CCF_CYLINDER_H_REG; break;}
//case CF_LBA_16_23_REG: {CCF_LBA_16_23_REG; break;}
case CF_HEAD_REG: {CCF_HEAD_REG; break;}
//case CF_LBA_24_27_REG: {CCF_LBA_24_27_REG; break;}
//case CF_DRIVER_REG: {CCF_DRIVER_REG; break;}
case CF_STATUS_REG: {CCF_STATUS_REG; break;}
//case CF_COMMAND_REG: {CCF_COMMAND_REG; break;}
};
PORTD.7=0;
PORTD.6=1;
#asm("nop")
#asm("nop")
#asm("nop")
#asm("nop")
#asm("nop")
delay_ms(10);
PORTD.6=0;
PORTD.7=1;
#asm("nop")
#asm("nop")
#asm("nop")
DDRA=0xff;
#asm("nop")
#asm("nop")
PORTA=data;
#asm("nop")
#asm("nop")
delay_ms(10);
}
uint8_t inb(char reg)//读寄存器函数
{
char data_buf;
switch (reg)
{
case CF_DATA_REG: {
CCF_DATA_REG;
break;}
case CF_ERROR_REG: {CCF_ERROR_REG; break;}
//case CF_FEATURE_REG: {CCF_FEATURE_REG; break;}
case CF_SECTOR_COUNT_REG: {CCF_SECTOR_COUNT_REG; break;}
case CF_SECTOR_REG: {CCF_SECTOR_REG; break;}
//case CF_LBA_0_7_REG: {CCF_LBA_0_7_REG; break;}
case CF_CYLINDER_L_REG: {CCF_CYLINDER_L_REG; break;}
//case CF_LBA_8_15_REG: {CCF_LBA_8_15_REG; break;}
case CF_CYLINDER_H_REG: {CCF_CYLINDER_H_REG; break;}
//case CF_LBA_16_23_REG: {CCF_LBA_16_23_REG; break;}
case CF_HEAD_REG: {CCF_HEAD_REG; break;}
//case CF_LBA_24_27_REG: {CCF_LBA_24_27_REG; break;}
//case CF_DRIVER_REG: {CCF_DRIVER_REG; break;}
case CF_STATUS_REG: {CCF_STATUS_REG; break;}
//case CF_COMMAND_REG: {CCF_COMMAND_REG; break;}
};
PORTD.6=0;
PORTD.7=1;
#asm("nop")
#asm("nop")
#asm("nop")
delay_ms(10);
PORTD.6=1;
PORTD.7=0;
#asm("nop")
#asm("nop")
#asm("nop")
DDRA=0x00;
#asm("nop")
#asm("nop")
data_buf=PINA;
#asm("nop")
#asm("nop")
delay_ms(10);
return data_buf;
}
// Declare your global variables here
void main(void)
{
char data;
// Declare your local variables here
// Crystal Oscillator division factor: 1
#pragma optsize-
CLKPR=0x80;
CLKPR=0x00;
#ifdef _OPTIMIZE_SIZE_
#pragma optsize+
#endif
// 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=0x00;
DDRA=0x00;
// Port B 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
PORTB=0x00;
DDRB=0xff;
// 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=0x00;
DDRC=0x00;
DDRC.0=1;
DDRC.1=1;
DDRC.2=1;
// 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=0x00;
DDRD=0xc0;
// Port E initialization
// Func2=In Func1=In Func0=In
// State2=T State1=T State0=T
PORTE=0x00;
DDRE=0x00;
// 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;
// Timer/Counter 3 initialization
// Clock value: Timer 3 Stopped
// Mode: Normal top=FFFFh
// Noise Canceler: Off
// Input Capture on Falling Edge
// OC3A output: Discon.
// OC3B output: Discon.
// Timer 3 Overflow Interrupt: Off
// Input Capture Interrupt: Off
// Compare A Match Interrupt: Off
// Compare B Match Interrupt: Off
TCCR3A=0x00;
TCCR3B=0x00;
TCNT3H=0x00;
TCNT3L=0x00;
ICR3H=0x00;
ICR3L=0x00;
OCR3AH=0x00;
OCR3AL=0x00;
OCR3BH=0x00;
OCR3BL=0x00;
// External Interrupt(s) initialization
// INT0: Off
// INT1: Off
// INT2: Off
// Interrupt on any change on pins PCINT0-7: Off
// Interrupt on any change on pins PCINT8-15: Off
MCUCR=0x00;
EMCUCR=0x00;
// Timer(s)/Counter(s) Interrupt(s) initialization
TIMSK=0x00;
ETIMSK=0x00;
// Analog Comparator initialization
// Analog Comparator: Off
// Analog Comparator Input Capture by Timer/Counter 1: Off
ACSR=0x80;
while (1)
{
outb(CF_ERROR_REG, 0x11);//先写出数据
DDRA=0x00;
data=inb(CF_ERROR_REG);//再读入数据
DDRB=0xff;
PORTB=data;//读入的数据由PORTB输出
// Place your code here
};
}
prtues7仿真 编译器是CodeVision(2008那个版本的)ourdev_537189.zip(文件大小:17K) (原文件名:图与c文件.zip) |
阿莫论坛20周年了!感谢大家的支持与爱护!!
一只鸟敢站在脆弱的枝条上歇脚,它依仗的不是枝条不会断,而是自己有翅膀,会飞。
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