#line 1 "24c04.c" /0 #line 1 "C:\KEIL\C51\INC\REG52.H" /0 sfr P0 = 0x80; sfr P1 = 0x90; sfr P2 = 0xA0; sfr P3 = 0xB0; sfr PSW = 0xD0; sfr ACC = 0xE0; sfr B = 0xF0; sfr SP = 0x81; sfr DPL = 0x82; sfr DPH = 0x83; sfr PCON = 0x87; sfr TCON = 0x88; sfr TMOD = 0x89; sfr TL0 = 0x8A; sfr TL1 = 0x8B; sfr TH0 = 0x8C; sfr TH1 = 0x8D; sfr IE = 0xA8; sfr IP = 0xB8; sfr SCON = 0x98; sfr SBUF = 0x99; sfr T2CON = 0xC8; sfr RCAP2L = 0xCA; sfr RCAP2H = 0xCB; sfr TL2 = 0xCC; sfr TH2 = 0xCD; sbit CY = PSW^7; sbit AC = PSW^6; sbit F0 = PSW^5; sbit RS1 = PSW^4; sbit RS0 = PSW^3; sbit OV = PSW^2; sbit P = PSW^0; sbit TF1 = TCON^7; sbit TR1 = TCON^6; sbit TF0 = TCON^5; sbit TR0 = TCON^4; sbit IE1 = TCON^3; sbit IT1 = TCON^2; sbit IE0 = TCON^1; sbit IT0 = TCON^0; sbit EA = IE^7; sbit ET2 = IE^5; sbit ES = IE^4; sbit ET1 = IE^3; sbit EX1 = IE^2; sbit ET0 = IE^1; sbit EX0 = IE^0; sbit PT2 = IP^5; sbit PS = IP^4; sbit PT1 = IP^3; sbit PX1 = IP^2; sbit PT0 = IP^1; sbit PX0 = IP^0; sbit RD = P3^7; sbit WR = P3^6; sbit T1 = P3^5; sbit T0 = P3^4; sbit INT1 = P3^3; sbit INT0 = P3^2; sbit TXD = P3^1; sbit RXD = P3^0; sbit SM0 = SCON^7; sbit SM1 = SCON^6; sbit SM2 = SCON^5; sbit REN = SCON^4; sbit TB8 = SCON^3; sbit RB8 = SCON^2; sbit TI = SCON^1; sbit RI = SCON^0; sbit T2EX = P1^1; sbit T2 = P1^0; sbit TF2 = T2CON^7; sbit EXF2 = T2CON^6; sbit RCLK = T2CON^5; sbit TCLK = T2CON^4; sbit EXEN2 = T2CON^3; sbit TR2 = T2CON^2; sbit C_T2 = T2CON^1; sbit CP_RL2 = T2CON^0; #line 1 "24c04.c" /0 #line 1 "C:\KEIL\C51\INC\INTRINS.H" /0 extern void _nop_ (void); extern bit _testbit_ (bit); extern unsigned char _cror_ (unsigned char, unsigned char); extern unsigned int _iror_ (unsigned int, unsigned char); extern unsigned long _lror_ (unsigned long, unsigned char); extern unsigned char _crol_ (unsigned char, unsigned char); extern unsigned int _irol_ (unsigned int, unsigned char); extern unsigned long _lrol_ (unsigned long, unsigned char); extern unsigned char _chkfloat_(float); extern void _push_ (unsigned char _sfr); extern void _pop_ (unsigned char _sfr); #line 2 "24c04.c" /0 sbit SCL = P1^0; sbit SDA = P1^1; sbit SPK = P3^0; unsigned char code HI_LIST[] = { 0,226,229,232,233,236,238,240,241,242,245,246,247,248 }; unsigned char code LO_LIST[] = { 0,4,13,10,20,3,8,6,2,23,5,26,1,4,3 }; unsigned char code Song_24C04[] = { 1,2,3,1,1,2,3,1,3,4,5,3,4,5 }; unsigned char sidx; void DelayMS(unsigned int x) { unsigned char t; while(x--) { for(t=120;t>0;t--); } } void Start() { SDA=1;SCL=1;{_nop_();_nop_();_nop_();_nop_();};SDA=0;{_nop_();_nop_();_nop_();_nop_();};SCL=0; } void Stop() { SDA=0;SCL=0;{_nop_();_nop_();_nop_();_nop_();};SCL=1;{_nop_();_nop_();_nop_();_nop_();};SDA=1; } void RACK() { SDA=1;{_nop_();_nop_();_nop_();_nop_();};SCL=1;{_nop_();_nop_();_nop_();_nop_();};SCL=0; } void NO_ACK() { SDA=1;SCL=1;{_nop_();_nop_();_nop_();_nop_();};SCL=0;SDA=0; } void Write_A_Byte(unsigned char b) { unsigned char i; for(i=0;i { b } RACK(); } void Write_IIC(unsigned char addr,unsigned char dat) { Start(); Write_A_Byte(0xa0); Write_A_Byte(addr); Write_A_Byte(dat); Stop(); DelayMS(10); } unsigned char Read_A_Byte() { unsigned char i,b; for(i=0;i { SCL=1;b } return b; } unsigned char Read_Current() { unsigned char d; Start(); Write_A_Byte(0xa1); d=Read_A_Byte(); NO_ACK(); Stop(); return d; } unsigned char Random_Read(unsigned char addr) { Start(); Write_A_Byte(0xa0); Write_A_Byte(addr); Stop(); return Read_Current(); } void T0_INT() interrupt 1 { SPK=!SPK; TH0=HI_LIST[sidx]; TL0=LO_LIST[sidx]; } void main() { unsigned char i; IE=0x82; TMOD=0x00; for(i=0;i { Write_IIC(i,Song_24C04[i]); } while(1) { for(i=0;i { sidx=Random_Read(i); TR0=1; DelayMS(300); } } }
