[free] đồ án [DA042-2] Lịch vạn niên hiển thị LED 7 đoạn

by **hoangnhanpro** 16th August 2012, 09:34

Code:: #include <16f877a.h> #fuses nowdt,noprotect,nolvp,xt,put #use delay(clock=4000000) #use i2c(Master,fast,sda = PIN_C4, scl=PIN_C3) #use fast_io(a) #use fast_io(b) #use fast_io(d) #use fast_io(c) #use fast_io(e) #byte porta=0x05 #byte portb=0x06 #byte portc=0x07 #byte portd=0x08 #byte porte=0x09 #bit a1 = porta.1 #bit a2 = porta.2 #bit a3 = porta.3 #bit b1 = portb.1 #bit b2 = portb.2 #bit b3 = portb.3 #bit e0 = porte.0 #bit e1 = porte.1 #bit e2 = porte.2 int gio,phut,giay,thu,ngay,thang,nam ; int cdgiay,cdgio,cdphut,cdngay,cdthang,cdnam; int cddvgiay,cdchucgiay,cddvphut,cdchucphut,cddvgio,cdchucgio,cddvngay,cdchucngay,cddvthang,cdchucthang,cddvnam,cdchucnam; int setgiay,setphut,setgio,setngay,setthang,setnam; int g,i; void nhandulieu (); void caidat(); void main() { enable_interrupts(int_ext); enable_interrupts(int_RB); enable_interrupts(global); set_tris_a(0b001110); set_tris_b(0b00010001); set_tris_c(0b00011000); set_tris_e(0b000); set_tris_d(0b00000000); porta = 0; portb = 0; portc = 0; portd = 0; porte = 0; i2c_start(); i2c_write(0xD0); i2c_write(0x00); i2c_write(0x00); i2c_write(0x30); i2c_write(0x07); i2c_write(0x07); i2c_write(0x14); i2c_write(0x07); i2c_write(0x11); i2c_write(0x90); i2c_stop(); while(1) { portd=giay; b1 = 0; b2=b3=e0=e1=e2=1; delay_ms(3); portd=phut; b2 = 0; b1=b3=e0=e1=e2=1; delay_ms(3); portd=gio; b3 = 0; b1=b2=e0=e1=e2=1; delay_ms(3); portd=ngay; e0 = 0; b1=b2=b3=e1=e2=1; delay_ms(3); portd=thang; e1 = 0; b1=b2=b3=e0=e2=1; delay_ms(3); portd=nam; e2 = 0; b1=b2=b3=e0=e1=1; delay_ms(3); } } #int_ext void nhandulieu() { I2C_start(); I2C_write(0xD0); I2C_write(0x00); I2C_start(); I2C_write(0xD1); giay = I2C_read(1); phut = I2C_read(1); gio = I2C_read(1); thu = I2C_read(1); ngay = I2C_read(1); thang = I2C_read(1); nam = I2C_read(0); I2C_stop(); giay = giay & 0x7F; phut = phut & 0x7F; gio = gio & 0x3F; ngay = ngay & 0x3F; thang = thang & 0x1F; nam= nam & 0xFF; } #INT_RB void caidat() { Cdgiay=cddvgiay=cdchucgiay=0; Cdphut=cddvphut=cdchucphut=0; Cdgio=cddvgio=cdchucgio=0; Cdngay=cddvngay=cdchucngay=0; Cdthang=cddvthang=cdchucthang=0; Cdnam=cddvnam=cdchucnam=0; portd = 0; b1=0; b2=1; b3=1; e0=1; e1=1; e2=1; g =1; while(g) { if(a1==0) { while (a1==0) {} if (b1==0) { if (cdgiay >=59 ){cdgiay=59;} else { cdgiay++;} cddvgiay = cdgiay%10; cdchucgiay=(cdgiay/10)<<4; setgiay=cdchucgiay | cddvgiay; portd= setgiay;} else if (b2==0) { if (cdphut>=59 ) {cdphut=59;} else { cdphut++;} cddvphut=cdphut%10; cdchucphut= (cdphut/10)<<4; setphut=cdchucphut|cddvphut; portd= setphut;} else If (b3==0) { if(cdgio>=23){cdgio=23;} else {cdgio ++;} cddvgio= cdgio%10; cdchucgio=(cdgio/10)<<4; setgio=cddvgio|cdchucgio ; portd=setgio ;} else if (e0==0) { if (cdngay>=30) {cdgio=30;} else {cdngay++;} cddvngay=cdngay%10; cdchucngay=(cdngay/10)<<4; setngay=cdchucngay|cddvngay; portd=setngay;} else if (e1==0) { if (cdthang>=11) {cdthang=11;} else {cdthang++;} cddvthang=cdthang%10; cdchucthang=(cdthang/10)<<4; setthang=cdchucthang|cddvthang; portd=setthang;} else if (e2==0) { if (cdnam>=99) {cdnam=99;} else {cdnam++;} cddvnam=cdnam%10; cdchucnam=(cdnam/10)<<4; setnam=cdchucnam|cddvnam; portd=setnam;} } if (a2==0) { while(a2==0) {} if (b1==0) { if (cdgiay ==0 ){cdgiay=0;} else { cdgiay--;} cddvgiay = cdgiay%10; cdchucgiay=(cdgiay/10)<<4; setgiay=cdchucgiay | cddvgiay; portd= setgiay;} else if (b2==0) { if (cdphut==0 ) {cdphut=0;} else { cdphut--;} cddvphut=cdphut%10; cdchucphut= (cdphut/10)<<4; setphut=cdchucphut|cddvphut; portd= setphut;} else If (b3==0) { if(cdgio==0){cdgio=0;} else {cdgio --;} cddvgio= cdgio%10; cdchucgio=(cdgio/10)<<4; setgio=cddvgio|cdchucgio ; portd=setgio ;} else if (e0==0) { if (cdngay==0) {cdgio=0;} else {cdngay--;} cddvngay=cdngay%10; cdchucngay=(cdngay/10)<<4; setngay=cdchucngay|cddvngay; portd=setngay;} else if (e1==0) { if (cdthang==0) {cdthang=0;} else {cdthang--;} cddvthang=cdthang%10; cdchucthang=(cdthang/10)<<4; setthang=cdchucthang|cddvthang; portd=setthang;} else if (e2==0) { if (cdnam==0) {cdnam=0;} else {cdnam--;} cddvnam=cdnam%10; cdchucnam=(cdnam/10)<<4; setnam=cdchucnam|cddvnam; portd=setnam;} } if ( a3==0) { while (a3==0) {} if (b1==0){ b1=1; b2=0; portd=0; } else if (b2==0){ b2=1; b3=0; portd=0; } else if (b3==0){ b3=1; e0=0; portd=0; } else if (e0==0){ e0=1; e1=0; portd=0; } else if (e1==0){ e1=1; e2=0; portd=0; } else if (e2==0) { e2=1; i2c_start(); i2c_write(0xD0); i2c_write(0x00); i2c_write(setgiay); i2c_write(setphut); i2c_write(setgio); i2c_write(0x01); i2c_write(setngay); i2c_write(setthang); i2c_write(setnam); i2c_write(0x90); i2c_stop(); g=0; } } } }

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