输出：LCD+ADC0832 C程序

1、./ICC-AVR application builder : 2008-9-7 11:00:08/ Target : M8515/ Crystal: 16.000Mhz#include <iom8515v.h>#include <macros.h>#define uchar unsigned char#define uint unsigned int#define data1 PORTBuchar h=0,j=0,k=0,func,th1=0xE7,tl1=0;uchar f1=0x06,f2=0; /250Hz的步进uint i=0;#pragma data:cod

2、econst uchar sin_table256=0x80,0x83,0x86,0x89,0x8c,0x8f,0x92,0x95,0x98,0x9c,0x9f,0xa2,0xa5,0xa8,0xab,0xae,0xb0,0xb3,0xb6,0xb9,0xbc,0xbf,0xc1,0xc4,0xc7,0xc9,0xcc,0xce,0xd1,0xd3,0xd5,0xd8,0xda,0xdc,0xde,0xe0,0xe2,0xe4,0xe6,0xe8,0xea,0xec,0xed,0xef,0xf0,0xf2,0xf3,0xf4,0xf6,0xf7,0xf8,0xf9,0xfa,0xfb,0xfc

3、,0xfc,0xfd,0xfe,0xfe,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xfe,0xfe,0xfd,0xfc,0xfc,0xfb,0xfa,0xf9,0xf8,0xf7,0xf6,0xf5,0xf3,0xf2,0xf0,0xef,0xed,0xec,0xea,0xe8,0xe6,0xe4,0xe3,0xe1,0xde,0xdc,0xda,0xd8,0xd6,0xd3,0xd1,0xce,0xcc,0xc9,0xc7,0xc4,0xc1,0xbf,0xbc,0xb9,0xb6,0xb4,0xb1,0xae,0xab

4、,0xa8,0xa5,0xa2,0x9f,0x9c,0x99,0x96,0x92,0x8f,0x8c,0x89,0x86,0x83,0x80,0x7d,0x79,0x76,0x73,0x70,0x6d,0x6a,0x67,0x64,0x61,0x5e,0x5b,0x58,0x55,0x52,0x4f,0x4c,0x49,0x46,0x43,0x41,0x3e,0x3b,0x39,0x36,0x33,0x31,0x2e,0x2c,0x2a,0x27,0x25,0x23,0x21,0x1f,0x1d,0x1b,0x19,0x17,0x15,0x14,0x12,0x10,0xf,0xd,0xc,0x

5、b,0x9,0x8,0x7,0x6,0x5,0x4,0x3,0x3,0x2,0x1,0x1,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x1,0x1,0x2,0x3,0x3,0x4,0x5,0x6,0x7,0x8,0x9,0xa,0xc,0xd,0xe,0x10,0x12,0x13,0x15,0x17,0x18,0x1a,0x1c,0x1e,0x20,0x23,0x25,0x27,0x29,0x2c,0x2e,0x30,0x33,0x35,0x38,0x3b,0x3d,0x40,0x43,0x46,0x48,0x4b,0x4e,0x51,0x54,

6、0x57,0x5a,0x5d,0x60,0x63,0x66,0x69,0x6c,0x6f,0x73,0x76,0x79,0x7c;void delay(uint ms) uint i,j;for(i=0;i<ms;i+) for(j=0;j<1141;j+); void port_init(void) PORTB = 0x00; DDRB = 0xff; PORTC = 0x00; DDRC = 0xff; PORTD = 0x00; DDRD = 0x01; PORTE = 0x00; DDRE = 0x00; /TIMER1 initialize - prescale:1/ W

7、GM: 0) Normal, TOP=0xFFFF/ desired value: 400uSec/ actual value: 400.000uSec (0.0%)void timer1_init(void) TCCR1B = 0x00; /stop TCNT1H = th1; /setup /th1,tl1用来改变频率 TCNT1L = tl1; OCR1AH = 0x20; OCR1AL = 0x00; OCR1BH = 0x20; OCR1BL = 0x00; TCCR1A = 0x00; TCCR1B = 0x01; /start Timer#pragma interrupt_han

8、dler timer1_ovf_isr:iv_TIM1_OVFvoid timer1_ovf_isr(void) TCCR1B = 0x00; /stop TCNT1H = th1; /reload counter high value TCNT1L = tl1; /reload counter low value /func=1; /设置调试点,计算时间 if(func=1) /正弦波 data1=sin_tablej+; /func+; /设置调试点 if(func=2) / 锯齿波 if(h<128) data1=h; else data1=255-h; h+; else if(f

9、unc=3) / 方波 k+; if(k<=127) data1=0x00; else data1=0xff; TCCR1B = 0x01; /start Timer /call this routine to initialize all peripheralsvoid init_devices(void) /stop errant interrupts until set up CLI(); /disable all interrupts port_init(); timer1_init(); MCUCR = 0x02; EMCUCR = 0x00; GICR = 0x40; TIM

10、SK = 0x80; SEI(); /re-enable interrupts /all peripherals are now initializedvoid key_read() uchar num,i; DDRA=0xff; / 都定义为输出 PORTA=0xf0; / 高位输出高电平，低位输出低电平 DDRA=0x0f; / 有键按下,把相应列（高位）的电平拉低 asm("nop"); i=PINA; /获取列的地址,即 DDRA=0xff; PORTA=0x0f; DDRA=0xf0; /把相应行的电平拉低 asm("nop"); i|=PIN

11、A; /获取行的地址 ,行与列的地址决定按键的位置 switch(i) case 0x77 : func+; if(func=4) func=0x00; break;case 0x7B : /频率加250Hz th1-=f1; tl1-=f2; break; case 0x7D : /频率减250Hz th1+=f1; tl1+=f2; break; /*case 0xEE : func+; if(func=4) func=0x00; break;case 0xDE : func+; if(func=4) func=0x00; break;case 0xBE : func+; if(func=4) func=0x00; break;case 0x7E : func+; if(func=4) func=0x00; break;case 0xED : func+; if(func=4) func=0x00; break;case 0xDD : func+; if(func=4) func=0x00; break;*/case 0xBD : ; break;case 0xEB : ; break;case