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#include "led.h"
#include "delay.h"
#include "sys.h"
#include "usart.h"
#include "spi.h"
/* 本測(cè)試?yán)蹋M量程40A）針對(duì)1000：1電流互感器進(jìn)行簡(jiǎn)易校表，offset校正，并輸出ABC三相電流有效值。*/
/* A5--->RN7302_SCK */
/* A6--->RN7302_SDO */
/* A7--->RN7302_SDI */
#define RN7302_CS PAout(4) //RN7302_CS 使能
u8 RN7302_Read(u16 wReg,u8 *pBuf) //00計(jì)量參數(shù)寄存器，01配置和狀態(tài)寄存器
{
u8 temp;
RN7302_CS=0;
SPI1_ReadWriteByte(wReg); //發(fā)送讀取寄存器地址
temp = (((u8)(wReg >> 4)) & 0xf0)^0xff + 0x10;
SPI1_ReadWriteByte(temp); //發(fā)送讀取寄存器地址
delay_us(10);
pBuf[0]=SPI1_ReadWriteByte(0xff);
pBuf[1]=SPI1_ReadWriteByte(0xff);
pBuf[2]=SPI1_ReadWriteByte(0xff);
pBuf[3]=SPI1_ReadWriteByte(0xff);
RN7302_CS=1;
return(1);
}
void RN7302_Write(u16 wReg,u8 *pBuf,u8 DatLen) //00計(jì)量參數(shù)寄存器，01配置和狀態(tài)寄存器
{
u8 num,temp;
u8 cs;
RN7302_CS=0;
temp = (u8)(wReg & 0x00ff);
SPI1_ReadWriteByte(temp); //發(fā)送讀取寄存器地址
temp = (((u8)(wReg >> 4)) & 0xf0) + 0x80;
SPI1_ReadWriteByte(temp); //發(fā)送讀取寄存器地址
cs=wReg+temp;
delay_us(10);
for(num=0;num<DatLen;num++)
{
SPI1_ReadWriteByte(pBuf[num]);
cs+=pBuf[num];
}
cs=~cs;
SPI1_ReadWriteByte(cs);
RN7302_CS=1;
}
int main(void)
{
u32 num0=0;
u8 k[5]={0},f=0;
delay_init(); //延時(shí)函數(shù)初始化
NVIC_Configuration(); //設(shè)置NVIC中斷分組2:2位搶占優(yōu)先級(jí)，2位響應(yīng)優(yōu)先級(jí)
uart_init(115200); //串口初始化為9600
LED_Init(); //LED端口初始化
SPI1_Init();
GPIOSet();
k[0]=0xe5;
RN7302_Write(0x0180,k,1); // 寫使能位
k[0]=0xa2;
RN7302_Write(0x0181,k,1); // 切換到EMM配置寄存器
k[0]=0xfa;
RN7302_Write(0x0182,k,1); // 復(fù)位
delay_ms(500);
k[0]=0xe5;
RN7302_Write(0x0180,k,1);
k[0]=0xa2;
RN7302_Write(0x0181,k,1);
k[0]=0x77;
k[1]=0x77;
k[2]=0x77;
RN7302_Write(0x0162,k,3); //EMU 控制寄存器
k[0]=0x25;
k[1]=0x78;
RN7302_Write(0x0100,k,2); //HFConst1 ,高頻脈沖計(jì)數(shù)寄存器 1
RN7302_Write(0x0101,k,2); //HFConst2 ,高頻脈沖計(jì)數(shù)寄存器 1
k[0]=0x01;
k[1]=0xD5;
RN7302_Write(0x0102,k,2); //IStart_PS ,有功視在啟動(dòng)電流閾值寄存器
RN7302_Write(0x0103,k,2); //IStart_Q ,無(wú)功啟動(dòng)電流閾值寄存器
k[0]=0x14;
k[1]=0xfb;
RN7302_Write(0x0104,k,2); //LostVoltT ,失壓閾值寄存器
k[0]=0x00;
k[1]=0x49;
RN7302_Write(0x0105,k,2); //ZXOT ,過(guò)零閾值寄存器
k[0]=0x00;
k[1]=0x04;
k[2]=0x0b;
RN7302_Write(0x0158,k,3); //SAGCFG ,電壓暫降閾值配置
k[0]=0x47;
k[1]=0x33;
RN7302_Write(0x0159,k,2); //OVLVL ,過(guò)壓閾值配置
k[0]=0x65;
k[1]=0x32;
RN7302_Write(0x015a,k,2); //OILVL ,過(guò)流閾值配置
k[0]=0x0F;
k[1]=0x21;
k[2]=0x00;
RN7302_Write(0x0161,k,3);/*******************************************************************/
//k[0]=0x00;
//k[1]=0x00;
//RN7302_Write(0x0118,k,2);
k[0]=0x17;
k[1]=0x01;
RN7302_Write(0x0113,k,2); //GSUA ,采樣通道 UA 通道增益
RN7302_Write(0x0114,k,2); //GSUB ,
RN7302_Write(0x0115,k,2); //GSUC ,
k[0]=0x86;
k[1]=0x0d;
RN7302_Write(0x0116,k,2); //GSIA ,采樣通道 IA 通道增益
RN7302_Write(0x0117,k,2); //GSIB ,
RN7302_Write(0x0118,k,2); //GSIC ,
k[0]=0x8A;
RN7302_Write(0x010C,k,1); //PHSUA ,采樣通道 UA 相位校正寄存器
RN7302_Write(0x010D,k,1); //PHSUB ,
RN7302_Write(0x010E,k,1); //PHSUC ,
k[0]=0x80;
k[1]=0x80;
k[2]=0x80;
RN7302_Write(0x010f,k,3);
RN7302_Write(0x0110,k,3);
RN7302_Write(0x0111,k,3);
//空載電壓有效值小數(shù)校準(zhǔn)（OFFSET）
k[0]=0x00;
k[1]=0x00;
RN7302_Write(0x0121,k,2);
RN7302_Write(0x0122,k,2);
RN7302_Write(0x0123,k,2);
//空載電流有效值小數(shù)校準(zhǔn)（OFFSET）
k[0]=0xff;
k[1]=0xf0;
RN7302_Write(0x0124,k,2);
RN7302_Write(0x0125,k,2);
RN7302_Write(0x0126,k,2);
//k[0]=0x00;
//k[1]=0x00;
//RN7302_Write(0x0131,k,2);
//RN7302_Write(0x0132,k,2);
//RN7302_Write(0x0133,k,2);
//RN7302_Write(0x0128,k,2);
//RN7302_Write(0x0129,k,2);
//RN7302_Write(0x012a,k,2);
//RN7302_Write(0x012b,k,2);
//RN7302_Write(0x012c,k,2);
//RN7302_Write(0x012d,k,2);
//RN7302_Write(0x012e,k,2);
//RN7302_Write(0x012f,k,2);
//RN7302_Write(0x0130,k,2);
//// 通道功率OFFSET校正
//RN7302_Write(0x0137,k,2);
//RN7302_Write(0x0138,k,2);
//RN7302_Write(0x0139,k,2);
k[0]=0x42;
RN7302_Write(0x0184,k,1);
k[0]=0x00;
RN7302_Write(0x0185,k,1);
k[0]=0x00;
RN7302_Write(0x0184,k,1);
k[0]=0x04;
k[1]=0x32;
k[2]=0x10;
RN7302_Write(0x0160,k,3);
// 清空采樣數(shù)據(jù)緩存區(qū)
k[2]=0x10;
RN7302_Write(0x0163,k,3);
// 寫保護(hù)
k[0]=0xdc;
RN7302_Write(0x0180,k,1);
while(1)
{
delay_ms(500);
RN7302_Read(0x000B,k);
num0=((0x00000000|k[0]<<24|k[1]<<16|k[2]<<8|k[3])&0x0fffffff)/160;
printf("IA_Reg=%02x%02x%02x%02x IA =%.3f \r\n",k[0],k[1],k[2],k[3],num0/1000.000);
RN7302_Read(0x000C,k);
num0=((0x00000000|k[0]<<24|k[1]<<16|k[2]<<8|k[3])&0x0fffffff)/160;
printf("IB_Reg=%02x%02x%02x%02x IB =%.3f \r\n",k[0],k[1],k[2],k[3],num0/1000.000);
RN7302_Read(0x000d,k);
num0=((0x00000000|k[0]<<24|k[1]<<16|k[2]<<8|k[3])&0x0fffffff)/160;
printf("IC_Reg=%02x%02x%02x%02x IC =%.3f \r\n\r\n",k[0],k[1],k[2],k[3],num0/1000.000);
}
}

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