/*************************虚拟示波器底层驱动*********************************/
# include "common.h"
# include "MK60_uart.h"
//# include "zjjm.h"
# include "sbq.h"
extern uint16 ADresult;
float OutData[4] = { 0 };
/*配合串口示波器的校验协议*/
unsigned short CRC_CHECK(unsigned char *Buf, unsigned char CRC_CNT)
{
  unsigned short CRC_Temp;
  unsigned char i,j;
  CRC_Temp = 0xffff;

  for (i=0;i<CRC_CNT; i++){
    CRC_Temp ^= Buf[i];
    for (j=0;j<8;j++)
    {
      if (CRC_Temp & 0x01)
        CRC_Temp = (CRC_Temp >>1 ) ^ 0xa001;
      else
        CRC_Temp = CRC_Temp >> 1;
    }
  }
  return(CRC_Temp);
}
/* 配合串口示波器的输出协议*/
void OutPut_Data(void)
{
  int temp[4] = {0};
  unsigned int temp1[4] = {0};
  unsigned char databuf[10] = {0};
  unsigned char i;
  unsigned short CRC16 = 0;
  for(i=0;i<4;i++)
  {
    temp[i]  = (int)OutData[i];
    temp1[i] = (unsigned int)temp[i];
  }

  for(i=0;i<4;i++)
  {
    databuf[i*2]   = (unsigned char)(temp1[i]%256);
    databuf[i*2+1] = (unsigned char)(temp1[i]/256);
  }

  CRC16 = CRC_CHECK(databuf,8);
  databuf[8] = CRC16%256;
  databuf[9] = CRC16/256;

  for(i=0;i<10;i++)
    uart_putchar(UART3,databuf[i]);
}

void sbq(float a, float b, float c, float d)
{
  OutData[0]=a;
  OutData[1]=b;
  OutData[2]=c;
  OutData[3]=d;
  OutPut_Data();
}