avr-lm2029(r8803).txt

AVR128控制LM2029（编译环境IAR_AVR）

#include <iom128.h>
#include <stdlib.h>
#include <math.h>
#include <string.h>
#include <ctype.h>

#define uchar unsigned char // 0~255
#define uint  unsigned int   // 0~65535
#define SteelWireRadius 0.01
#define RollerRadius 0.5
#define pi 3.1415
//#define IniHight 10
#define _WR    PORTG_Bit0
#define _RD    PORTG_Bit1
#define _CS    PORTF_Bit7
#define RS    PORTF_Bit6
#define _RES   PORTF_Bit5
#define LCD_BUSY  PORTF_Bit4
#define LCDBUS   PORTC


#define LED_0    PORTF_Bit0
#define LED_1    PORTF_Bit1
#define LED_2    PORTF_Bit2
#define LED_3    PORTF_Bit3



unsigned char key;
uchar ChangeCharHightNumI=5;
uchar CharHight[5];
//-----------------------------------
// dispaly data (320x240)
//-----------------------------------


//-----------------------------------
// Char dispaly data (20x15 char)
//-----------------------------------
// TOPWAY  Text LOGO
unsigned char TextLogo[]={
"                                        "
"                                        "
"  --       信息与控制工程学院       --  "
"               University               "
"                                        "
"                                        "
"                                        "
"                                        "
"                                        "
"                                        "
"                                        "
"                                        "
"acbdefghijklmnopqrstuvwxyzabocdfghigklmn"
"ABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMN"
"1234567890123456789012345678901234567890"
};



//-----------------------------------
// Delay Routine
//-----------------------------------
void delayms(uint m)        // 12MHz Xtal, close to ms value
{
	uint j;
	uint i;
	
	for(i=0; i<m; i++)
	    for(j=0; j<124; j++)
	        asm("nop");
}



//-----------------------------------
// IO Routine
//-----------------------------------
void SdCmd(uchar Command)   //send command
{
    _WR = 1;                // init all control signal
    _RD = 1;
    RS  = 0;                // for command
    LCDBUS = Command;
    _CS = 0;                // enable the access
    asm("nop");
    _WR = 0;
    asm("nop");
    _WR = 1;
    asm("nop");
    _CS = 1;                // disable the access
}

void SdData(uchar DData)    //send display data
{
    _WR = 1;                // init all control signal
    _RD = 1;
    RS  = 1;                // for diaplay data
    LCDBUS = DData;
    _CS = 0;                // enable the access
    asm("nop");
    _WR = 0;
    asm("nop");
    _WR = 1;
    asm("nop");
    _CS = 1;                // disable the access
}

//-----------------------------------
// Write a Text Screen
//-----------------------------------
void WriteTextScreen(uchar *TxtData)
// DisplayData should be 20(x2)x15 = 600byte
// set to char display
{
	uchar TempData;
	uchar i,j;
    SdCmd(0x00); SdCmd(0xCD); delayms(1);  // normal power mode, Char mode
                                           // display on, normal display
    SdCmd(0x60); SdCmd(0x00); delayms(1);  // set cursor X location to 0
    SdCmd(0x70); SdCmd(0x00); delayms(1);  // set cursor Y location to 0

    for (j=0; j<15; j++)
		{
	 	for(i=0; i<40; i++)
   			{
	   		TempData=(*(TxtData+(j*40)+i));
	   		SdData(TempData);
	   	    asm("nop");asm("nop");asm("nop");asm("nop");
                    asm("nop");asm("nop");asm("nop");asm("nop");
			}
	    }
}


//-----------------------------------
// Init LCD module
//-----------------------------------
void initLCDM(void)
{
	_RES    = 1;    // reset pin
	_RES    = 0;
	delayms(10);
	_RES    = 1;
	delayms(300);


	SdCmd(0x00);SdCmd(0xCD); delayms(1); // Whole Chip LCD Controller Reg(Char Mode)
	SdCmd(0x01);SdCmd(0xf1); delayms(1); // BUSY=HiPolity, ClockOut=enable, InternalFreq=4MHz 	
	SdCmd(0x10);SdCmd(0x29); delayms(1); // Whole Chip Cursor Control Reg(disable cursor)
	SdCmd(0x11);SdCmd(0x10); delayms(1); // Distance of Words or Lines Reg(cursor=1,gap=0)

	SdCmd(0x90);SdCmd(0x05); delayms(1); // Shift Clock Control Reg(320x240,69Hz)


	SdCmd(0xF0);SdCmd(0xA0); delayms(1); // Font Control Reg

        SdCmd(0x20);SdCmd(0x27); delayms(1); // Active Window Right  Reg
	SdCmd(0x30);SdCmd(0xEF); delayms(1); // Active Window Bottom Reg(240 duty)
	SdCmd(0x40);SdCmd(0x00); delayms(1); // Active Window Left   Reg
	SdCmd(0x50);SdCmd(0x00); delayms(1); // Active Window Top    Reg

	SdCmd(0x21);SdCmd(0x27); delayms(1); // Display Window Right  Reg
	SdCmd(0x31);SdCmd(0xEF); delayms(1); // Display Window Bottom Reg(240 duty)
	SdCmd(0x41);SdCmd(0x00); delayms(1); // Display Window Left   Reg
	SdCmd(0x51);SdCmd(0x00); delayms(1); // Display Window Top    Reg

	SdCmd(0x81);SdCmd(0x40); delayms(1); // by default	
}
//............................................................................
v
//。。。。主函数。。。。。。
void main( void )
{

     unsigned char time1;  //最初#define TCCLK01 PORTD_Bit6  //计数器1外部时钟输入
     unsigned char time2  ;//最初#define TCCLK02 PORTD_Bit7  //计数器2外部时钟输入

     //CharHight[5]='\0';//在字符数组最后一位添加结束符号
     uint QuanNum=0;//从开机起转的总圈数，正转为正，反转为负
     float IniHight=10.00;//初始高度暂定为十，实际中从eeprom中取
     uint FloorNum=2;//初始层数设为2层，实际中从eeprom中取
     float Hight;

   //..............................
   SREG=0x80;  //打开全局中断
    MCUCR=0X30;  //打开SE，SM1位，允许SLEEP和POWER-DOWN
    DDRB=0XF0;//将高四位配置为输出，低四位配置为输入
    PORTB=0X0F;//将高四位全部输出零
    EICRA=0X00;  //设置外部中断为低电平产生中断请求
    EIMSK=0X01;  //允许外部中断
    DDRF=0xEF;
    DDRG=0x1F;
    DDRC=0xFF;
    _CS     = 1;
    _RD     = 1;
    _WR     = 1;
    RS      = 1;

    LCDBUS  = 0xff;         // pull up data bus
	delayms(500);           // delay to wait for LCD module OSC start up
   	initLCDM();

  WriteTextScreen(TextLogo); delayms(1000);
   //................................

    DDRD=0X00;
    TCCR0=0X06;//定时器0，普通模式 ，内部时钟256分频
    TCCR1B=0X07;//定时器1，普通模式，外部时钟，上升沿驱动
    TCCR2=0X07;//定时器2，普通模式，外部时钟 ，上升沿驱动
    SREG=0x00;  //关闭全局中断
    TCNT0=0XD0;//定时器0初值208计时到256大约一秒
    TCNT1=0;
    TCNT2=0;//定时器1和2 计数初值为0
    SREG=0x80;  //打开全局中断
    time1=PIND&0X40;
    time2=PIND&0X80;

  while(time1|time2) // while(1)
  {

    if(TIFR&0x01==0X01)//最初TIFR==0X01
    {
      if(TCNT1!=0)
      {
        QuanNum=QuanNum+TCNT1/4;//正方向转动频率
      }
     else
      {
       QuanNum=QuanNum-TCNT1/4;//反方向转动频率
      }
    TCCR0=0X07;//定时器0普通模式下时钟256分频
    SREG=0x00;  //关闭全局中断
    TCNT0=0XD0;//定时器0初值208计时到256大约一秒
    TCNT1=0;
    TCNT2=0;//定时器1和2 计数初值为0
    SREG=0x80;  //打开全局中断
     Hight=ComputeHight(IniHight,FloorNum,QuanNum);
     TransferIntToChar(Hight,CharHight);
     WriteLCDScreenHight(CharHight);
    }
  }
}