L91-01是基于HLW8032的单相交流电能计量模块(以下简称模块),该模块包含一路交流电压和一路交流电流的采集,通过串口的形式送到单片机,模块可以测量电压,电流,功率,电量以及功率因数,例程中仅给出了测量电压,电流,功率,通过四位数码管显示。 适用: Ø 单片机学习、DIY等。 |
附件包含原理图,51单片机的驱动例程,和芯片的Datasheet。
单片机源程序如下:
- #include "Config.H"
- //数码管0-9显示代码 0 1 2 3 4 5 6 7 8 9
- u8 DISPLAY_CODE[10] = { 0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f };
- //数码管带点的0-9显示代码 0 1 2 3 4 5 6 7 8 9
- u8 DISPLAY_Point_CODE[10] = { 0xbf,0x86,0xdb,0xcf,0xe6,0xed,0xfd,0x87,0xff,0xef };
- //数码管位数 1 2 3 4
- u8 DIG_BIT_CODE[4] = { 0x68,0x6a,0x6c,0x6e };
- //8段显示亮度等级 1 2 3 4 5 6 7 8
- u8 Light_Level_CODE[8] = { 0x11,0x21,0x31,0x41,0x51,0x61,0x71,0x01 };
- void I2CStart(void)//开始信号
- {
- CLK_H;
- DIO_H;
- Delay_us(5);
- DIO_L;
- }
- void I2Cask(void) //ACK信号
- {
- u8 timeout = 1;
- CLK_H;
- Delay_us(5);
- CLK_L;
- while((DIO)&&(timeout<=100))
- {
- timeout++;
- }
- Delay_us(5);
- CLK_L;
- }
- void I2CStop(void) //停止信号
- {
- CLK_H;
- DIO_L;
- Delay_us(5);
- DIO_H;
- }
- void I2CWrByte(u8 oneByte) //写一个字节高位在前,低位在后
- {
- u8 i;
- CLK_L;
- Delay_us(1);
- for(i=0;i<8;i++)
- {
- oneByte = oneByte<<1;
- DIO = CY;
- CLK_L;
- Delay_us(5);
- CLK_H;
- Delay_us(5);
- CLK_L;
- }
- }
- void AiP650_Set(u8 add,u8 dat) //数码管显示
- {
- //写显存必须从高地址开始写
- I2CStart();
- I2CWrByte(add); //第一个显存地址
- I2Cask();
- I2CWrByte(dat);
- I2Cask();
- I2CStop();
- }
- void AiP650_DisPlay(u8 DIG_Bit, u8 Display_num) //显示一位数字
- {
- AiP650_Set(DIG_BIT_CODE[DIG_Bit-1],DISPLAY_CODE[Display_num]);
- }
- void AiP650_CLR() //清屏
- {
- u8 i;
- for(i=0;i<4;i++)
- {
- AiP650_Set(DIG_BIT_CODE[i],0x00);
- }
- }
- void AiP650_DisPlayFourNum(u16 Display_num) //显示一个四位数 (0-9999)
- {
- u8 One,Two,Three,Four;
- One = Display_num/1000;
- Two = Display_num%1000/100;
- Three = Display_num%100/10;
- Four = Display_num%10;
- if(One == 0)
- {
- AiP650_Set(DIG_BIT_CODE[0],0x00);
- if(Two == 0)
- {
- AiP650_Set(DIG_BIT_CODE[1],0x00);
- if(Three == 0)
- {
- AiP650_Set(DIG_BIT_CODE[2],0x00);
- }
- else
- {
- AiP650_DisPlay(3,Three);
- }
- AiP650_DisPlay(4,Four);
- }
- else
- {
- AiP650_DisPlay(2,Two);
- AiP650_DisPlay(3,Three);
- AiP650_DisPlay(4,Four);
- }
- }
- else
- {
- AiP650_DisPlay(1,One);
- AiP650_DisPlay(2,Two);
- AiP650_DisPlay(3,Three);
- AiP650_DisPlay(4,Four);
- }
- }
- void AiP650_DisPlayOnePointNum(u16 Display_num) //显示带一位小数
- {
- u8 One,Two,Three,Four;
- One = Display_num/1000;
- Two = Display_num%1000/100;
- Three = Display_num%100/10;
- Four = Display_num%10;
- if(One == 0)
- {
- AiP650_Set(DIG_BIT_CODE[0],0x00);
- if(Two == 0)
- {
- AiP650_Set(DIG_BIT_CODE[1],0x00);
- AiP650_Set(DIG_BIT_CODE[2],DISPLAY_Point_CODE[Three]);
- AiP650_DisPlay(4,Four);
- }
- else
- {
- AiP650_DisPlay(2,Two);
- AiP650_Set(DIG_BIT_CODE[2],DISPLAY_Point_CODE[Three]);
- AiP650_DisPlay(4,Four);
- }
- }
- else
- {
- AiP650_DisPlay(1,One);
- AiP650_DisPlay(2,Two);
- AiP650_Set(DIG_BIT_CODE[2],DISPLAY_Point_CODE[Three]);
- AiP650_DisPlay(4,Four);
- }
- }
- void AiP650_DisPlayTwoPointNum(u16 Display_num) //显示带两位小数
- {
- u8 One,Two,Three,Four;
- One = Display_num/1000;
- Two = Display_num%1000/100;
- Three = Display_num%100/10;
- Four = Display_num%10;
- if(One == 0)
- {
- AiP650_Set(DIG_BIT_CODE[0],0x00);
- AiP650_Set(DIG_BIT_CODE[1],DISPLAY_Point_CODE[Two]);
- AiP650_DisPlay(3,Three);
- AiP650_DisPlay(4,Four);
- }
- else
- {
- AiP650_DisPlay(1,One);
- AiP650_Set(DIG_BIT_CODE[1],DISPLAY_Point_CODE[Two]);
- AiP650_DisPlay(3,Three);
- AiP650_DisPlay(4,Four);
- }
- }
- void Light_Level_Set(u8 Level) //设置亮度等级 1-8级
- {
- AiP650_Set(0x48,Light_Level_CODE[Level-1]);
- }
- ……………………
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【实用电子小模块】单相电能计量模块-UART接口-HLW8032芯片.rar
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