feedis_spi._c

AVR系列单片机ATMEGA64开发的LED显示屏程序 内容包括ATMEGA64大部分资源的初始化程序

#include <include.h>

volatile uchar countwait;
volatile uchar ISDstatus;

/*
		MSB								LSB
0b 		7	6	5	4	3			2		1		0
setbit	bit5-7 		bit3-4			moeny	wati_i	voice on

cleanbit				the bigest moeny	s_car	ready	voice off
					00	 x 
			the 3	01	x*10
		bits are used 	10	x*100
		store the 	11	x*1000
		sequence of moeny voice and when it becomes 111 ,play "thank you".
					
*/
uchar ISDmoney[5];
/*
ISDmoney[0]	个位
ISDmoney[1]	十位
ISDmoney[2]	百位
ISDmoney[3]	千位
ISDmoney[4]	车型

*/   
extern uchar SPEAK;

//#pragma data:code
unsigned int voiceadd[]={
0b000000000000,0b000000000111,0b000000001110,0b000000010101,
0b000000011100,0b000000100100,0b000000101011,0b000000110011,
0b000000111011,0b000001000011,0b000001001011,0b000001010100,
0b000001011100,0b000001100100,0b000001101100,0b000001110100,
0b000001111100,0b000010000100,0b000010001100,0b000010010100,
0b000010011001,0b000010011101,0b000010100010,0b000010100111,
0b000010101100,0b000010110001,0b000010110110,0b000010111011,
0b000011000000,0b000011000101,0b000011001010,0b000011001111,
0b000011010100,0b000011011001,0b000011011110,0b000011100011,
0b000011101011,0b000011110011,0b000011111011,0b000100000011,
0b000100001011,0b000100010011,0b000100011100,0b000100100101,
0b000100101101,0b000100110000,0b000100110100,0b000100111000,
0b000100111100,0b000101000000,0b000101000100,0b000101001000,
0b000101001100,0b000101010000,0b000101010100,0b000101010110,
0b000101011000,0b000101011010,0b000101011101,0b000101100000,
0b000101100011,0b000101100101,0b000101101000,0b000101101010,
0b000101101101,0b000101110000,0b000101110100,0b000101111000,
0b000101111100,0b000110000000,0b000110000100,0b000110001000,
0b000110001100,0b000110010000,0b000110010100,0b000110011000,
0b000110011100,0b000110100000,0b000110100100,0b000110101000,
0b000110101100,0b000110110000,0b000110110100,0b000110111000,
0b000110111100,0b000111000000,0b000111000100,0b000111001000,
0b000111001100,0b000111010000,0b000111010100,0b000111011000,
0b000111011100,0b000111100000,0b000111100100,0b000111101001,
0b000111101110,0b000111110011,0b000111111000,0b000111111100,
0b001000000001,0b001000000110
};
//#pragma data:data

/***********************************************************************
Init the hardware for SPI communication
***********************************************************************/
void spi_init(void)
{
  SET_MOSI();
  CLEAR_SCLK();
  SET_SS();
  //SET_SDI_TO_OUTPUT();
  //SET_SCLK_TO_OUTPUT();
  //SET_SDO_TO_INPUT();
  waitms(500);
}

/***********************************************************************
Write one data byte to the SPI bus
***********************************************************************/
void spi_sendbyte(unsigned char data)
{
  	uchar idx = 0;
	uchar temp = 0;
	CLEAR_SCLK();
	CLEAR_MOSI();
  	
  	while(idx < 8)
  	{
    		CLEAR_SCLK();
		
		//waitus(100);
		//for(temp  = 0;temp < 130;temp++)
			NOP();
		//	NOP();
		//	NOP();
		//	NOP();
    		if (data & 0x1) SET_MOSI(); else CLEAR_MOSI();
    		data >>= 1;
		//for(temp  = 0;temp < 20;temp++)
			NOP();
		NOP();
		NOP();
		NOP();
		
    		SET_SCLK();
		//for(temp  = 0;temp <130;temp++)
			NOP();
		
		//waitus(200);
		idx++;
  	}
}
void spi_sendint(uint data)
{
	uchar datatemp;
	datatemp = (uchar) data;
	spi_sendbyte(datatemp);
	datatemp = (uchar)(data >> 8);
	spi_sendbyte(datatemp);
}

unsigned char ISDplay(unsigned char num)
{
 	uint ADD;
	CLEAR_SS();	//PULL DOWN THE SS PIN
	spi_sendbyte(POWERUP);
	SET_SS();	//pull up the ss pin
	//waitms(10);
	ADD = PLAYADD + voiceadd[num];
	CLEAR_SS();	//PULL DOWN THE SS PIN
	spi_sendint(ADD);
	SET_SS();	//pull up the ss pin
	//CLEAR_SS();	//PULL DOWN THE SS PIN
	//spi_sendbyte(PLAYCURRENT);
	//SET_SS();	//pull up the ss pin
	
	return 0;
}

void ISDpowerdown(void)
{
	CLEAR_SS();
	spi_sendbyte(POWERDOWN);
	SET_SS();	
}
uchar ISDmonitor(void)
{
	static uchar temp ;
	
	//static uchar round ;
	//if(ISDstatus & 1)
	//{
	
		if(ISDstatus & 0x02)	//如果上一句还未讲完，不能说话
		{
				//countwait++;
				//if(countwait < 150)
				return 0;
				//countwait = 0;
				//ISDstatus &= ~0x02;
				//SPEAK = 1;
			}
		ISDstatus |= 0x02;
		if((ISDstatus & 0xe0) == 0xe0)
		{
			
			ISDplay(34 + ISDmoney[4] );	//播放"你好，几型车"
			//ISDplay(39);	//播放"你好，几型车"
			ISDstatus &= 0x1f;
			ISDstatus |= 0xc0;
			
			return 0;
		}
		if((ISDstatus & 0xe0) == 0xc0)
		{
			//ISDstatus |= 0x02;
			ISDplay(20);	//播放"请交"
			ISDstatus &= 0x1f;
			ISDstatus |= 0xa0;
			
			return 0;
		}
		if((ISDstatus & 0xe0) == 0xa0)
		{
			uchar temp1;
			if(temp != 4)
			temp = (ISDstatus&0x18)>> 3;
			switch(temp)
			{

				case 3:
					ISDplay(ISDmoney[temp]+82);
					temp1 = 0;
					while(temp1 < 3)
					{
						if(!ISDmoney[temp-1])
						{
							
							temp--;
							
						}
						else 
						{
							ISDstatus &= 0b11100111;
							ISDstatus += (--temp) << 3; 
							if((temp1 > 0) )
								temp = 4;
							break;
						}
						temp1++;
						if(temp1 == 3)
						{
							ISDstatus &= 0x1f;
							ISDstatus |= 0x80;
							SPEAK = 0;
						}
					}
					
					break;
				case 2:
					ISDplay(ISDmoney[temp]+73);
					temp1 = 0;
					while(temp1 < 2)
					{
						if(!ISDmoney[temp-1])
						{
							
							temp--;
							
						}
						else 
						{
							ISDstatus &= 0b11100111;
							ISDstatus += (--temp) << 3; 
							if((temp1 > 0) )
								temp = 4;
							break;
						}
						temp1++;
						if(temp1 == 2)
						{
							ISDstatus &= 0x1f;
							ISDstatus |= 0x80;
							SPEAK = 0;
						}
							
					}
					break;
				case 1:
					ISDplay(ISDmoney[temp]+64);
					temp1 = 0;
					while(temp1 < 1)
					{
						if(!ISDmoney[temp-1])
						{
							
							temp--;
							
						}
						else 
						{
							ISDstatus &= 0b11100111;
							ISDstatus += (--temp) << 3; 
							if((temp1 > 0) )
								temp = 4;
							break;
						}
						temp1++;
						if(temp1 == 1)
						{
							ISDstatus &= 0x1f;
							ISDstatus |= 0x80;
							SPEAK = 0;
						}
					}
					break;
				case 0:
					if(ISDmoney[temp])
						ISDplay(ISDmoney[temp]+54);
					else
						ISDstatus &= 0xfd;
					ISDstatus &= 0x1f;
					ISDstatus |= 0x80;
					SPEAK = 0;
					break;
				case 4:
					ISDplay(54);
					temp = 5;
					break;
				default:
					break;
			}
			//ISDstatus |= 0x02;
			
			//ISDstatus |= 0x02;
			return 0;
		}
		if((ISDstatus & 0xe0) == 0x80  && SPEAK)
			{
				ISDplay(44);	//
				ISDstatus &= 0xfc; 
				
			}
		//if(ISDstatus & 0x04)   //paly the money voice
		{
			/*if((ISDstatus & 0xe0) == 0xe0)		//play "thank you"
			{
				ISDplay(THANKYOU);
				ISDstatus &= 0b11111110;		//clear the bit 0,then wait for the end of this voice
				return 0;
			}
			temp = (ISDstatus>>3) & 0x03;
			ISDstatus &= 0b00000011;		//clear the bit 2-bit 7
			ISDstatus += temp << 2 + 3;
			
			
			
			ISDstatus |= 0b00000010;	//set the busy bit
			*/
		}
		/*else				//play the special car voice
		{
			ISDplay(94 + (ISDstatus>>5) & 0X07);
			ISDstatus &= 0b11111110;		//clear the bit 0,then voice off
			return 0;
		}*/
		
		
	//}
}