Modbus大小端

//小端模式for(i=0;i<31;i++)  {    float4char[1]=modbus_buf[k+9];    float4char[0]=modbus_buf[k+10];      float4char[3]=modbus_buf[k+11];      float4char[2]=modbus_buf[k+12];      f[i]=*((float *)float4char);         k=k+4;  } //大端模式for(i=0;i<31;i++)  {    float4char[3]=modbus_buf[k+9];    float4char[2]=modbus_buf[k+10];      float4char[1]=modbus_buf[k+11];      float4char[0]=modbus_buf[k+12];      f[i]=*((float *)float4char);         k=k+4;  }