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#include "Im1252.h"
#include "bsp_usart.h"
#define reveive_number 37
unsigned char Rx_Buffer[UART_BUFF_SIZE];
unsigned char receive_finished;
unsigned char Tx_Buffer[15];
ShowDataTypeDef ShowDataSTructure;
unsigned int calccrc(unsigned char crcbuf,unsigned int crc)
{
unsigned char i;
unsigned char chk;
crc=crc^crcbuf;
for(i=0;i<8;i++)
{
chk=(unsigned char)(crc&1);
crc=crc>>1;
crc=crc&0x7fff;
if (chk==1)
crc=crc^0xa001;
crc=crc&0xffff;
}
return crc;
}
//CRC數(shù)據(jù)校正生成
unsigned int chkcrc(unsigned char *buf,unsigned char len)
{
unsigned char hi,lo;
unsigned int i;
unsigned int crc;
crc=0xFFFF;
for(i=0;i<len;i++)
{
crc=calccrc(*buf,crc);
buf++;
}
hi=( unsigned char)(crc%256);
lo=( unsigned char)(crc/256);
crc=(((unsigned int)(hi))<<8)|lo;
return crc;
}
//讀取數(shù)據(jù)
void read_data(void)
{
union crcdata crcnow;
//定義一個地址區(qū)存放CRC校驗
// 到時間抄讀模塊，抄讀間隔 1 秒鐘(或其他)
Tx_Buffer[0]=Read_ID; //模塊的 ID 號，默認 ID 為 0x01
Tx_Buffer[1]=0x03;
Tx_Buffer[2]=0x00;
Tx_Buffer[3]=0x48;
Tx_Buffer[4]=0x00;
Tx_Buffer[5]=0x08;
crcnow.word16=chkcrc(Tx_Buffer,6);
Tx_Buffer[6]=crcnow.byte[1]; //CRC 效驗低字節(jié)在前
Tx_Buffer[7]=crcnow.byte[0]; //發(fā)送 8 個數(shù)據(jù)，請根據(jù)單片機類型自己編程
Usart_SendArray(DEBUG_USARTx,Tx_Buffer,8);
}
//電能清零
void Clear_EnergyData(void)
{ //01 10 00 4B 00 02 04 00 00 00 00 B6 2C
union crcdata crcnow;
//定義一個地址區(qū)存放CRC校驗
// 到時間抄讀模塊，抄讀間隔 1 秒鐘(或其他)
Tx_Buffer[0]=Read_ID; //模塊的 ID 號，默認 ID 為 0x01
Tx_Buffer[1]=0x10;
Tx_Buffer[2]=0x00;
Tx_Buffer[3]=0x4B;
Tx_Buffer[4]=0x00;
Tx_Buffer[5]=0x02;
Tx_Buffer[6]=0x04;
Tx_Buffer[7]=0x00;
Tx_Buffer[8]=0x00;
Tx_Buffer[9]=0x00;
Tx_Buffer[10]=0x00;
crcnow.word16=chkcrc(Tx_Buffer,11);
Tx_Buffer[11]=crcnow.byte[1]; //CRC 效驗低字節(jié)在前
Tx_Buffer[12]=crcnow.byte[0]; //發(fā)送 8 個數(shù)據(jù)，請根據(jù)單片機類型自己編程
Usart_SendArray(DEBUG_USARTx,Tx_Buffer,13);
}
//分析數(shù)據(jù)
void Analysis_data(void)
{
union crcdata crcnow;
if(Rx_Buffer[0]==Read_ID) //確認 ID 正確
{
crcnow.word16=chkcrc(Rx_Buffer,reveive_number-2); //reveive_numbe 是接收數(shù)據(jù)總長度
if((crcnow.byte[0]==Rx_Buffer[reveive_number-1])&&(crcnow.byte[1]==Rx_Buffer[reveive_number-2]))
{
// ShowDataStructure.Current_data1 = (uint8_t *)&Rx_Buffer[3];
//電壓數(shù)據(jù)
ShowDataSTructure.Voltage_data = (((uint32_t)(Rx_Buffer[3] ))<<24) |(((uint32_t)(Rx_Buffer[4]))<<16) |(((uint32_t)(Rx_Buffer[5]))<<8) |Rx_Buffer[6];
//電流數(shù)據(jù)
ShowDataSTructure.Current_data = (((uint32_t)(Rx_Buffer[7]))<<24) |(((uint32_t)(Rx_Buffer[8]))<<16) |(((uint32_t)(Rx_Buffer[9]))<<8) |Rx_Buffer[10];
//有功數(shù)據(jù)
ShowDataSTructure.Power_data = (((uint32_t)(Rx_Buffer[11]))<<24) |(((uint32_t)(Rx_Buffer[12]))<<16) |(((uint32_t)(Rx_Buffer[13]))<<8) |Rx_Buffer[14];
//有功總電能數(shù)據(jù)
ShowDataSTructure.Energy_data = (((uint32_t)(Rx_Buffer[15]))<<24) |(((uint32_t)(Rx_Buffer[16]))<<16) |(((uint32_t)(Rx_Buffer[17]))<<8) |Rx_Buffer[18];
//功率因數(shù)數(shù)據(jù)
ShowDataSTructure.Pf_data = (((uint32_t)(Rx_Buffer[19]))<<24) |(((uint32_t)(Rx_Buffer[20]))<<16) |(((uint32_t)(Rx_Buffer[21]))<<8) |Rx_Buffer[22];
//二氧化碳數(shù)據(jù)
ShowDataSTructure.CO2_data = (((uint32_t)(Rx_Buffer[23]))<<24) |(((uint32_t)(Rx_Buffer[24]))<<16) |(((uint32_t)(Rx_Buffer[25]))<<8) |Rx_Buffer[26];
//溫度數(shù)據(jù)
ShowDataSTructure.Tem_data = (((uint32_t)(Rx_Buffer[27]))<<24) |(((uint32_t)(Rx_Buffer[28]))<<16) |(((uint32_t)(Rx_Buffer[29]))<<8) |Rx_Buffer[30];
//頻率數(shù)據(jù)
ShowDataSTructure.Fre_data = (((uint32_t)(Rx_Buffer[31]))<<24) |(((uint32_t)(Rx_Buffer[32]))<<16) |(((uint32_t)(Rx_Buffer[33]))<<8) |Rx_Buffer[34];
}
}
}

復制代碼

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