IMG_20190402_095828.jpg (2.76 MB, 下載次數: 35)
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2019-4-2 10:01 上傳
- #include <reg52.h>
- #define uchar unsigned char
- #define uint unsigned int
- #include <intrins.h>
- uchar a_a;
- uchar code smg_du[]={0x28,0xee,0x32,0xa2,0xe4,0xa1,0x21,0xea,0x20,0xa0,
- 0x60,0x25,0x39,0x26,0x31,0x71,0xff};
- uchar dis_smg[8] ={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8};
- sbit smg_we1 = P3^0;
- sbit smg_we2 = P3^1;
- sbit smg_we3 = P3^2;
- sbit smg_we4 = P3^3;
- sbit c_send = P3^2;
- sbit c_recive = P3^3;
- sbit beep = P2^7;
- uchar smg_i =3;
- bit flag_300ms ;
- long distance;
- uint set_d;
- uchar flag_csb_juli;
- uint flag_time0;
- uchar menu_1;
- void delay_1ms(uint q)
- {
- uint i,j;
- for(i=0;i<q;i++)
- for(j=0;j<120;j++);
- }
- void smg_display()
- {
- dis_smg[0] = smg_du[distance % 10];
- dis_smg[1] = smg_du[distance / 10 % 10];
- dis_smg[2] = smg_du[distance / 100 % 10] & 0xdf; ;
- }
- #define RdCommand 0x01
- #define PrgCommand 0x02
- #define EraseCommand 0x03
- #define Error 1
- #define Ok 0
- #define WaitTime 0x01
- sfr ISP_DATA=0xe2;
- sfr ISP_ADDRH=0xe3;
- sfr ISP_ADDRL=0xe4;
- sfr ISP_CMD=0xe5;
- sfr ISP_TRIG=0xe6;
- sfr ISP_CONTR=0xe7;
- void ISP_IAP_enable(void)
- {
- EA = 0;
- ISP_CONTR = ISP_CONTR & 0x18;
- ISP_CONTR = ISP_CONTR | WaitTime;
- ISP_CONTR = ISP_CONTR | 0x80;
- }
- void ISP_IAP_disable(void)
- {
- ISP_CONTR = ISP_CONTR & 0x7f; /* ISPEN = 0 */
- ISP_TRIG = 0x00;
- EA = 1;
- }
- void ISPgoon(void)
- {
- ISP_IAP_enable();
- ISP_TRIG = 0x46;
- ISP_TRIG = 0xb9;
- _nop_();
- }
- unsigned char byte_read(unsigned int byte_addr)
- {
- EA = 0;
- ISP_ADDRH = (unsigned char)(byte_addr >> 8);
- ISP_ADDRL = (unsigned char)(byte_addr & 0x00ff);
- ISP_CMD = ISP_CMD & 0xf8;
- ISP_CMD = ISP_CMD | RdCommand;
- ISPgoon();
- ISP_IAP_disable();
- EA = 1;
- return (ISP_DATA);
- }
- void SectorErase(unsigned int sector_addr)
- {
- unsigned int iSectorAddr;
- iSectorAddr = (sector_addr & 0xfe00);
- ISP_ADDRH = (unsigned char)(iSectorAddr >> 8);
- ISP_ADDRL = 0x00;
- ISP_CMD = ISP_CMD & 0xf8;
- ISP_CMD = ISP_CMD | EraseCommand;
- ISPgoon();
- ISP_IAP_disable();
- }
- void byte_write(unsigned int byte_addr, unsigned char original_data)
- {
- EA = 0;
- // SectorErase(byte_addr);
- ISP_ADDRH = (unsigned char)(byte_addr >> 8);
- ISP_ADDRL = (unsigned char)(byte_addr & 0x00ff);
- ISP_CMD = ISP_CMD & 0xf8;
- ISP_CMD = ISP_CMD | PrgCommand;
- ISP_DATA = original_data;
- ISPgoon();
- ISP_IAP_disable();
- EA =1;
- }
- void write_eeprom()
- {
- SectorErase(0x2000);
- byte_write(0x2000, set_d % 256);
- byte_write(0x2001, set_d / 256);
- byte_write(0x2058, a_a);
- }
- void read_eeprom()
- {
- set_d = byte_read(0x2001);
- set_d <<= 8;
- set_d |= byte_read(0x2000);
- a_a = byte_read(0x2058);
- }
- void init_eeprom()
- {
- read_eeprom();
- if(a_a != 1)
- {
- set_d = 50;
- a_a = 1;
- write_eeprom();
- }
- }
- uchar key_can;
- void key()
- {
- static uchar key_new;
- key_can = 20;
- P2 |= 0x07;
- if((P2 & 0x07) != 0x07)
- {
- delay_1ms(1);
- if(((P2 & 0x07) != 0x07) && (key_new == 1))
- {
- key_new = 0;
- switch(P2 & 0x07)
- {
- case 0x06: key_can = 3; break;
- case 0x05: key_can = 2; break;
- case 0x03: key_can = 1; break;
- }
- }
- }
- else
- key_new = 1;
- }
- void key_with()
- {
- if(key_can == 1)
- {
- menu_1 ++;
- if(menu_1 >= 2)
- {
- menu_1 = 0;
- smg_i = 3;
- }
- if(menu_1 == 1)
- {
- smg_i = 4;
- }
- }
- if(menu_1 == 1)
- {
- if(key_can == 2)
- {
- set_d ++ ;
- if(set_d > 400)
- set_d = 400;
- }
- if(key_can == 3)
- {
- set_d -- ;
- if(set_d <= 1)
- set_d = 1;
- }
- dis_smg[0] = smg_du[set_d % 10];
- dis_smg[1] = smg_du[set_d / 10 % 10] ;
- dis_smg[2] = smg_du[set_d / 100 % 10] & 0xdf ;
- dis_smg[3] = 0x60;
- write_eeprom();
- }
- }
- void clock_h_l()
- {
- static uchar value;
- if(distance <= set_d)
- {
- value ++;
- if(value >= 2)
- {
- beep = ~beep;
- }
- }
- else
- {
- value = 0;
- beep = 1;
- }
- }
- void smg_we_switch(uchar i)
- {
- switch(i)
- {
- case 0: smg_we1 = 0; smg_we2 = 1; smg_we3 = 1; smg_we4 = 1; break;
- case 1: smg_we1 = 1; smg_we2 = 0; smg_we3 = 1; smg_we4 = 1; break;
- case 2: smg_we1 = 1; smg_we2 = 1; smg_we3 = 0; smg_we4 = 1; break;
- case 3: smg_we1 = 1; smg_we2 = 1; smg_we3 = 1; smg_we4 = 0; break;
- }
- }
- void display()
- {
- static uchar i;
- i++;
- if(i >= smg_i)
- i = 0;
- smg_we_switch(i);
- P1 = dis_smg[i];
- }
- void delay()
- {
- _nop_();
- _nop_();
- _nop_();
- _nop_();
- _nop_();
- _nop_();
- _nop_();
- _nop_();
- _nop_();
- _nop_();
- }
- void send_wave()
- {
- c_send = 1;
- delay();
- c_send = 0;
- TH0 = 0;
- TL0 = 0;
- TR0 = 0;
- while(!c_recive);
- TR0=1;
- while(c_recive)
- {
- flag_time0 = TH0 * 256 + TL0;
- if((flag_time0 > 40000))
- {
- TR0 = 0;
- flag_csb_juli = 2;
- distance = 888;
- break ;
- }
- else
- {
- flag_csb_juli = 1;
- }
- }
- if(flag_csb_juli == 1)
- {
- TR0=0;
- distance =flag_time0;
- distance *= 0.017;
- if((distance > 500))
- {
- distance = 888;
- }
- }
- }
- void time_init()
- {
- EA = 1;
- TMOD = 0X11;
- ET0 = 0;
- TR0 = 1;
- ET1 = 1;
- TR1 = 1;
- }
- void main()
- {
- beep = 0;
- delay_1ms(150);
- P0 = P1 = P2 = P3 = 0xff;
- send_wave();
- smg_display();
- time_init();
- init_eeprom();
- send_wave();
- send_wave();
- while(1)
- {
- if(flag_300ms == 1)
- {
- flag_300ms = 0;
- clock_h_l();
- if(beep == 1)
- send_wave();
- if(menu_1 == 0)
- smg_display();
- }
- key();
- if(key_can < 10)
- {
- key_with();
- }
- }
- }
- void time1_int() interrupt 3
- {
- static uchar value;
- TH1 = 0xf8;
- TL1 = 0x30;
- display();
- value++;
- if(value >= 150)
- {
- value = 0;
- flag_300ms = 1;
- }
- }
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