个性flash网站,wordpress iframe框架引用插件,韩国怎么出线,招商加盟代运营公司小蜜蜂代码风格的#xff0c;模块都在#xff0c;希望能够帮助你吧。 目录 AT24C02存储芯片 DS18B20温度传感器 DS1302 时钟 NE555频率测量 PCF8591 AD PWM波 超声波测距 串口UART 4X4矩阵按键 AT24C02存储芯片 void Write_AT24C02(unsigned char addr,unsigned …小蜜蜂代码风格的模块都在希望能够帮助你吧。 目录 AT24C02存储芯片 DS18B20温度传感器 DS1302 时钟 NE555频率测量 PCF8591 AD  PWM波 超声波测距 串口UART 4X4矩阵按键 AT24C02存储芯片 void Write_AT24C02(unsigned char addr,unsigned char dat) {I2CStart();I2CSendByte(0xa0);I2CWaitAck();I2CSendByte(addr);I2CWaitAck();I2CSendByte(dat);I2CWaitAck();I2CStop(); }void Read_AT24C02(unsigned char addr) {I2CStart();I2CSendByte(0xa0);I2CWaitAck();I2CSendByte(addr);I2CWaitAck();I2CStart();I2CSendByte(0xa1);I2CWaitAck();tmp I2CReceiveByte();I2CSendAck(1); I2CStop(); } DS18B20温度传感器 void Read_ds18b20_adc() {unsigned char LSB, MSB;unsigned int tmep 0;init_ds18b20();Write_DS18B20(0xcc);Write_DS18B20(0x44);init_ds18b20();Write_DS18B20(0xcc);Write_DS18B20(0x44);LSB Read_DS18B20();MSB Read_DS18B20();tmep (LSB 8) | MSB;if ((temp 0xf800) 0x0000){temp_ds18b2 temp * 0.0625;} } // 如果上电就是85 记得Delay一下 DS1302 时钟 unsigned char code READ_RTC_ADDR[7] {0x81, 0x83, 0x85, 0x87, 0x89, 0x8b, 0x8d};unsigned char code WRITE_RTC_ADDR[7] {0x80, 0x82, 0x84, 0x86, 0x88, 0x8a, 0x8c};unsigned char TIME[7] {0x24, 0x58, 0x23, 0x19, 0x04, 0x06, 0x20};void Init_ds1302() {unsigned char i;Write_Ds1302_Byte(0x8E, 0x00);for (i 0; i 3; i){Write_Ds1302_Byte(WRITE_RTC_ADDR[i], TIME[i]);}Write_Ds1302_Byte(0x8E, 0x80); }unsigned char hour, min, sec; void Read_ds1302() {sec Read_Ds1302_Byte(0x81);min Read_Ds1302_Byte(0x83);hour Read_Ds1302_Byte(0x85); }// 考点显示 void DisplaySMG_ds1302() {DisplaySMG_Bit(0, SMG_NoDot[hour 4]);DisplaySMG_Bit(1, SMG_NoDot[hour 0x0f]);DisplaySMG_Bit(2, 0xbf);DisplaySMG_Bit(3, SMG_NoDot[min 4]);DisplaySMG_Bit(4, SMG_NoDot[min 0x0f]);DisplaySMG_Bit(5, 0xbf);DisplaySMG_Bit(6, SMG_NoDot[sec 4]);DisplaySMG_Bit(7, SMG_NoDot[sec 0x0f]); } NE555频率测量 // 方式1 void Init_timer() {TH0 0xff;TL0 0xff; // 定时器 0 采用8位重装 0110TH1 (65536 - 50000) / 256;TL1 (65536 - 50000) % 256;TMOD 0x16;ET0 1;ET1 1;EA 1;TR0 1;TR1 1; }void Service_T0() interrupt 1 {count_f; // 每一次中断都加一 }void Service_T1() interrupt 3 {TH1 (65536 - 50000) / 256;TL1 (65536 - 50000) % 256;count_t;if (count_t 20){dat_f count_f;count_f 0;count_t 0;} }// 方式二 void Init_Timer0_Timer1() {TH1 (65536 - 10000) / 256;TL1 (65536 - 10000) % 256;TH0 0;TL0 0;TMOD 0x15;ET0 1;ET1 1;EA 1;TR0 1;TR1 1; }void Service_Timer0() interrupt 3 {TH1 (65536 - 10000) / 256;TL1 (65536 - 10000) % 256;count_t;if (count_t 100){count_t 0;freq (TH0 8) | TL0;TH0 0;TL0 0;} } PCF8591 AD  void Write_DA(unsigned char dat) {I2CStart();I2CSendByte(0x90);I2CWaitAck();I2CSendByte(0x41);I2CWaitAck();I2CSendByte(dat);I2CWaitAck();IIC_Stop(); }unsigned char Read_AD() {unsigned char temp;I2CStart();I2CSendByte(0x90);I2CWaitAck();I2CSendByte(0x41);I2CWaitAck();I2CStart();I2CSendByte(0x91);I2CWaitAck();temp I2CReceiveByte();I2CSendAck(1);I2CStop();return temp; } // 用的最多的就是0x41 0x43 PWM波 // 10000 分成 100份 void Init_Timer0() interrupt 1 {TH0 (65536 - 100) / 256;TL0 (65536 - 100) % 256;conut;if (count duty){L1 0;}else if (count 100){L1 1;}else if (count 100){L1 0;count 0;} } // 实现了呼吸灯 超声波测距 // 最好用T1实现 因为T0用来实现NE555 sbit TX P1 ^ 0; sbit RX P1 ^ 1;void Delay_12us() {unsigned char i;_nop_();_nop_(); // 空操作i 33;while (--i); } // STC 生成出来的 带上头文件 void Send_Wave() {unsigned char i;for(i 0;i 8;i){TX 1;Delay_12us();TX 0;Delay_12us();} }void Measure_Distance() {unsigned int time 0;TMOD 0x0f;TH1 0x00;TH1 0x00;Send_Wave();TR1 1;while((RX 1)(TF1 0))TR1 0;if (TF1 0){time TH1;time (time 8) | TL1;distance ((time / 10) * 17) / 100 3;}else{TF1 0;distance 999;} } 串口UART sfr AUXR 0x8e;void SendByte(unsigned char dat) {SBUF dat;while(TI 0);TI 0; }void SendString(unsigned char *str) {while(*str ! \0){SendByte(*str);} } void Init_Uart() {TMOD 0x20;TH1 0xfd;TL1 0xfd;TR1 1;SCON 0x50;AUXR 0x00;ES 1;EA 1; }unsigned char command 0x00; void Service_Uart() interrupt 4 {if(RI 1){RI 0;command SBUF;} } 4X4矩阵按键 sbit R3 P3^2; sbit R4 P3^3; sbit C1 P4^4; sbit C2 P4^2; void Scan_Keys() {R3 0;R4 1;C1 C2 1;if(C1 0) //S5{DelaySMG(200);if(C1 0){if(F_smg 21 || F_smg 22 || F_smg 23){switch(F_smg){case 21: F_smg 22;break;case 22: F_smg 23;break;case 23: F_smg 21;break;}}while(C1 0){Display_Info();}}}else if(C2 0) //S9{DelaySMG(200);if(C2 0){if(F_smg 3){Param_temprature Param_temprature - 1;}//if(F_smg 21 || F_smg 22 || F_smg 23){F_time_begin 1;}if(F_time_2s 1){hour 0x00;min 0x00;sec 0x00;F_smg 1;Max_temprature 0;Ave_temprature 0;Max_shidu 0;Ave_shidu 0;num 0;Param_temprature 30;F_time 0;F_time_2s 0;}while(C2 0){Display_Info();}F_time_begin 0;}}R3 1;R4 0;C1 C2 1;if(C1 0) //S4{DelaySMG(200);if(C1 0){switch(F_smg){case 1: F_smg 21;break;case 21: F_smg 3;break;case 22: F_smg 3;break;case 23: F_smg 3;break;case 3: F_smg 1;break;}while(C1 0){Display_Info();}}}else if(C2 0) //S8{DelaySMG(200);if(C2 0){if(F_smg 3){Param_temprature Param_temprature 1;}while(C2 0){Display_Info();}}} } 、