/// <summary>
///
/// </summary>
/// <param name="channelNumber"></param>
/// <returns></returns>
public static int[] IICReadRawdata(int channelNumber, double adc2vol)
{
byte[] IIcWriteBuffer = new byte[256];
byte[] IIcReadBuffer = new byte[256];
ushort crc16 = 0;
IIcWriteBuffer[0] = 0xA0;
IIcWriteBuffer[1] = (byte)RegList.Reg.REG_DEBUG_MODE;
IIcWriteBuffer[2] = 0x01;
uint writeLen = 3;
uint readLen = 0;
IICWriteRead(0, writeLen, MyConvertor.byteArrToUint(IIcWriteBuffer), readLen, MyConvertor.byteArrToUint(IIcReadBuffer));
IIcWriteBuffer[1] = (byte)RegList.Reg.REG_DATA_READY;
writeLen = 2;
readLen = 1;
int iCount = 0;
do
{
Thread.Sleep(10);
IICWriteRead(0, writeLen, MyConvertor.byteArrToUint(IIcWriteBuffer), readLen, MyConvertor.byteArrToUint(IIcReadBuffer));
iCount++;
} while (IIcReadBuffer[0] == 0 && iCount < 100);
// 初始化异常值
int[] rawdata = new int[0];
if (IIcReadBuffer[0] == channelNumber)
{
rawdata = new int[channelNumber];
for (int i = 0; i < rawdata.Length; i++)
{
IIcWriteBuffer[1] = (byte)(RegList.Reg.REG_DEBUG_DATA1 + i);
writeLen = 2;
readLen = 2;
IICWriteRead(0, writeLen, MyConvertor.byteArrToUint(IIcWriteBuffer), readLen,
MyConvertor.byteArrToUint(IIcReadBuffer));
rawdata[i] = (short)(MyConvertor.byteArrToInt(IIcReadBuffer[1] << 8 | IIcReadBuffer[0]) * adc2vol);
}
}
return(rawdata);
}
/// <summary>
/// 从IIC读取固件版本
/// </summary>
/// <returns></returns>
public static int IICReadFWVersion()
{
byte[] IIcWriteBuffer = new byte[256];
byte[] IIcReadBuffer = new byte[256];
IIcWriteBuffer[0] = 0xA0;
IIcWriteBuffer[1] = (byte)RegList.Reg.REG_FW_VERSION;
uint writeLen = 2;
uint readLen = 2;
IICWriteRead(0, writeLen, MyConvertor.byteArrToUint(IIcWriteBuffer), readLen, MyConvertor.byteArrToUint(IIcReadBuffer));
int value = MyConvertor.byteArrToInt(IIcReadBuffer[1] << 8 | IIcReadBuffer[0]);
return(value);
}
/// <summary>
/// 从IIC读取厂家ID
/// </summary>
/// <returns></returns>
public static int IICReadManuFactorID()
{
byte[] IIcWriteBuffer = new byte[256];
byte[] IIcReadBuffer = new byte[256];
IIcWriteBuffer[0] = 0xA0;
IIcWriteBuffer[1] = (byte)RegList.Reg.REG_MANUFACTURER_ID;
uint writeLen = 2;
uint readLen = 2;
IICWriteRead(0, writeLen, MyConvertor.byteArrToUint(IIcWriteBuffer), readLen, MyConvertor.byteArrToUint(IIcReadBuffer));
int value = MyConvertor.byteArrToInt(IIcReadBuffer[1] << 8 | IIcReadBuffer[0]);
return(value);
}
/// <summary>
/// 从IIC读取DeviceID, 即UID
/// </summary>
/// <returns></returns>
public static string IICReadDeviceID()
{
byte[] IIcWriteBuffer = new byte[256];
byte[] IIcReadBuffer = new byte[256];
IIcWriteBuffer[0] = 0xA0;
IIcWriteBuffer[1] = (byte)RegList.Reg.REG_DEVICE_ID;
uint writeLen = 2;
uint readLen = 10;
IICWriteRead(0, writeLen, MyConvertor.byteArrToUint(IIcWriteBuffer), readLen, MyConvertor.byteArrToUint(IIcReadBuffer));
string strDeviceID = string.Format("{0:X2}{1:X2}-{2:X2}{3:X2}{4:X2}{5:X2}-{6:X2}{7:X2}{8:X2}{9:X2}",
IIcReadBuffer[9], IIcReadBuffer[8], IIcReadBuffer[7], IIcReadBuffer[6], IIcReadBuffer[3],
IIcReadBuffer[4], IIcReadBuffer[3], IIcReadBuffer[2], IIcReadBuffer[1], IIcReadBuffer[0]);
return(strDeviceID);
}
public static void DebugModeBClean()
{
byte[] IIcWriteBuffer = new byte[256];
byte[] IIcReadBuffer = new byte[256];
IIcWriteBuffer[0] = 0xA0;
IIcWriteBuffer[1] = (byte)RegList.Reg.REG_DEBUG_MODEB;
IIcWriteBuffer[2] = (byte)RegList.DebugMode.DEBUG_MODE_OFF;
uint writeLen = 3;
uint readLen = 0;
IICWriteRead(0, writeLen, MyConvertor.byteArrToUint(IIcWriteBuffer), readLen, MyConvertor.byteArrToUint(IIcReadBuffer));
IIcWriteBuffer[1] = (byte)RegList.Reg.REG_DATA_READYB;
IIcWriteBuffer[2] = (byte)RegList.DataReady.DATA_READY_CLEAR;
writeLen = 3;
readLen = 0;
IICWriteRead(0, writeLen, MyConvertor.byteArrToUint(IIcWriteBuffer), readLen, MyConvertor.byteArrToUint(IIcReadBuffer));
}
/// <summary>
/// 从IIC读取噪声信息
/// </summary>
/// <param name="noiseDuration"></param>
/// 单位: 秒
/// <returns></returns>
public static object IICReadNoise(int noiseDuration, int channelNumber, double adc2vol)
{
DebugModeBClean();
int noiseTestFrames = Math.Max(1, noiseDuration * 100); // convert seconds to frames
byte[] IIcWriteBuffer = new byte[256];
byte[] IIcReadBuffer = new byte[256];
IIcWriteBuffer[0] = 0xA0;
IIcWriteBuffer[1] = (byte)RegList.Reg.REG_DEBUG_DATAB;
IIcWriteBuffer[2] = (byte)noiseTestFrames;
IIcWriteBuffer[3] = (byte)(noiseTestFrames >> 8);
uint writeLen = 4;
uint readLen = 0;
IICWriteRead(0, writeLen, MyConvertor.byteArrToUint(IIcWriteBuffer), readLen, MyConvertor.byteArrToUint(IIcReadBuffer));
IIcWriteBuffer[1] = (byte)RegList.Reg.REG_DATA_READYB;
IIcWriteBuffer[2] = 0x02;
writeLen = 3;
readLen = 0;
IICWriteRead(0, writeLen, MyConvertor.byteArrToUint(IIcWriteBuffer), readLen, MyConvertor.byteArrToUint(IIcReadBuffer));
IIcWriteBuffer[1] = (byte)RegList.Reg.REG_DEBUG_MODEB;
IIcWriteBuffer[2] = (byte)RegList.DebugMode.DEBUG_MODE_NOISE_CALCULATE;
writeLen = 3;
readLen = 0;
IICWriteRead(0, writeLen, MyConvertor.byteArrToUint(IIcWriteBuffer), readLen, MyConvertor.byteArrToUint(IIcReadBuffer));
writeLen = 2;
readLen = 1;
int iCount = 0;
do
{
Thread.Sleep(10);
IIcWriteBuffer[1] = (byte)RegList.Reg.REG_DATA_READYB;
IICWriteRead(0, writeLen, MyConvertor.byteArrToUint(IIcWriteBuffer), readLen, MyConvertor.byteArrToUint(IIcReadBuffer));
iCount++;
} while ((IIcReadBuffer[0] != channelNumber * 6) && (iCount < 5 * noiseTestFrames));
// 初始化一个异常值
double[] noise_peak = new double[0];
double[] noise_std = new double[0];
if (IIcReadBuffer[0] == channelNumber * 6)
{
IIcWriteBuffer[1] = (byte)RegList.Reg.REG_DEBUG_DATAB;
writeLen = 2;
readLen = IIcReadBuffer[0];
IICWriteRead(0, writeLen, MyConvertor.byteArrToUint(IIcWriteBuffer), readLen, MyConvertor.byteArrToUint(IIcReadBuffer));
noise_peak = new double[channelNumber];
noise_std = new double[channelNumber];
for (int iChn = 0; iChn < channelNumber; iChn++)
{
uint iPeak = (uint)(IIcReadBuffer[6 * iChn] | (IIcReadBuffer[6 * iChn + 1] << 8));
uint iSum = (uint)(IIcReadBuffer[6 * iChn + 2] | (IIcReadBuffer[6 * iChn + 3] << 8) |
(IIcReadBuffer[6 * iChn + 4] << 16) | (IIcReadBuffer[6 * iChn + 5] << 24));
double dAvg = (double)iSum / noiseTestFrames;
dAvg = Math.Max(1, dAvg);
double dAvgStd = Math.Sqrt(dAvg);
noise_peak[iChn] = iPeak * adc2vol; // 1 ADC = 0.36 mV
noise_std[iChn] = dAvgStd * adc2vol; // 1 ADC = 0.36mV
}
}
DebugModeBClean();
return(new object[] { noise_peak, noise_std });
}
/// <summary>
/// 从IIC读取电阻信息
/// </summary>
/// <returns></returns>
public static object IICReadResistance(int channelNumber)
{
DebugModeBClean();
byte[] IIcWriteBuffer = new byte[256];
byte[] IIcReadBuffer = new byte[256];
IIcWriteBuffer[0] = 0xA0;
IIcWriteBuffer[1] = (byte)RegList.Reg.REG_DEBUG_MODEB;
IIcWriteBuffer[2] = (byte)RegList.DebugMode.DEBUG_MODE_READ_TOTAL_RESISTANCE;
uint writeLen = 3;
uint readLen = 0;
IICWriteRead(0, writeLen, MyConvertor.byteArrToUint(IIcWriteBuffer), readLen, MyConvertor.byteArrToUint(IIcReadBuffer));
IIcWriteBuffer[1] = (byte)RegList.Reg.REG_DATA_READYB;
writeLen = 2;
readLen = 1;
int iCount = 0;
do
{
Thread.Sleep(10);
IICWriteRead(0, writeLen, MyConvertor.byteArrToUint(IIcWriteBuffer), readLen, MyConvertor.byteArrToUint(IIcReadBuffer));
iCount++;
} while (IIcReadBuffer[0] == 0 && iCount < 100);
// 初始化一个异常值
int[] resistance = new int[0];
if (IIcReadBuffer[0] == channelNumber * 4)
{
IIcWriteBuffer[1] = (byte)RegList.Reg.REG_DEBUG_DATAB;
writeLen = 2;
readLen = IIcReadBuffer[0];
IICWriteRead(0, writeLen, MyConvertor.byteArrToUint(IIcWriteBuffer), readLen,
MyConvertor.byteArrToUint(IIcReadBuffer));
resistance = new int[channelNumber];
for (int iChn = 0; iChn < channelNumber; iChn++)
{
resistance[iChn] = (IIcReadBuffer[4 * iChn] | (IIcReadBuffer[4 * iChn + 1] << 8) | (IIcReadBuffer[4 * iChn + 2] << 16) | (IIcReadBuffer[4 * iChn + 3] << 24));
}
}
else
{
// DataReady值不符合期望, Resistance获取失败
}
DebugModeBClean();
return(new object[] { resistance });
}
/// <summary>
/// 从IIC读取VBias+和VBias-
/// </summary>
/// <returns></returns>
public static object IICReadBias(int channelNumber)
{
DebugModeBClean();
byte[] IIcWriteBuffer = new byte[256];
byte[] IIcReadBuffer = new byte[256];
IIcWriteBuffer[0] = 0xA0;
IIcWriteBuffer[1] = (byte)RegList.Reg.REG_DEBUG_MODEB;
IIcWriteBuffer[2] = (byte)RegList.DebugMode.DEBUG_MODE_READ_VBIAS;
uint writeLen = 3;
uint readLen = 0;
IICWriteRead(0, writeLen, MyConvertor.byteArrToUint(IIcWriteBuffer), readLen, MyConvertor.byteArrToUint(IIcReadBuffer));
IIcWriteBuffer[1] = (byte)RegList.Reg.REG_DATA_READYB;
writeLen = 2;
readLen = 1;
int iCount = 0;
do
{
Thread.Sleep(10);
IICWriteRead(0, writeLen, MyConvertor.byteArrToUint(IIcWriteBuffer), readLen, MyConvertor.byteArrToUint(IIcReadBuffer));
iCount++;
} while (IIcReadBuffer[0] == 0 && iCount < 100);
// 初始化一个异常值
int[] bias_pos = new int[0];
int[] bias_neg = new int[0];
if (IIcReadBuffer[0] == channelNumber * 4)
{
IIcWriteBuffer[1] = (byte)RegList.Reg.REG_DEBUG_DATAB;
writeLen = 2;
readLen = IIcReadBuffer[0];
IICWriteRead(0, writeLen, MyConvertor.byteArrToUint(IIcWriteBuffer), readLen,
MyConvertor.byteArrToUint(IIcReadBuffer));
bias_pos = new int[channelNumber];
bias_neg = new int[channelNumber];
for (int iChn = 0; iChn < channelNumber; iChn++)
{
bias_pos[iChn] = (short)(IIcReadBuffer[4 * iChn] | (IIcReadBuffer[4 * iChn + 1] << 8));
bias_neg[iChn] = (short)(IIcReadBuffer[4 * iChn + 2] | (IIcReadBuffer[4 * iChn + 3] << 8));
}
}
else
{
// DataReady值不符合期望, Bias获取失败
}
DebugModeBClean();
return(new object[] { bias_pos, bias_neg });
}
/// <summary>
/// 从IIC中读取AFE信息, 包括Gain, Channel Number和Offset
/// </summary>
/// <returns></returns>
public static object IICReadAFEInfo()
{
DebugModeBClean();
byte[] IIcWriteBuffer = new byte[256];
byte[] IIcReadBuffer = new byte[256];
IIcWriteBuffer[0] = 0xA0;
IIcWriteBuffer[1] = (byte)RegList.Reg.REG_DEBUG_MODEB;
IIcWriteBuffer[2] = (byte)RegList.DebugMode.DEBUG_MODE_AFE_INFO;
uint writeLen = 3;
uint readLen = 0;
IICWriteRead(0, writeLen, MyConvertor.byteArrToUint(IIcWriteBuffer), readLen, MyConvertor.byteArrToUint(IIcReadBuffer));
IIcWriteBuffer[1] = (byte)RegList.Reg.REG_DATA_READYB;
writeLen = 2;
readLen = 1;
int iCount = 0;
do
{
Thread.Sleep(10);
IICWriteRead(0, writeLen, MyConvertor.byteArrToUint(IIcWriteBuffer), readLen, MyConvertor.byteArrToUint(IIcReadBuffer));
iCount++;
} while (IIcReadBuffer[0] == 0 && iCount < 100);
// 初始化一个异常值
int gain = -1;
int chnlNum = -1;
int[] offset = new int[0];
if (IIcReadBuffer[0] != 0)
{
uint iAFEInfoBytes = IIcReadBuffer[0];
IIcWriteBuffer[1] = (byte)RegList.Reg.REG_DEBUG_DATAB;
writeLen = 2;
readLen = iAFEInfoBytes;
IICWriteRead(0, writeLen, MyConvertor.byteArrToUint(IIcWriteBuffer), readLen,
MyConvertor.byteArrToUint(IIcReadBuffer));
if (iAFEInfoBytes == 2 + IIcReadBuffer[1] * 4)
{
gain = IIcReadBuffer[0];
chnlNum = IIcReadBuffer[1];
int iGetChnlNum = chnlNum;
offset = new int[iGetChnlNum];
for (int chnl = 0; chnl < iGetChnlNum; chnl++)
{
offset[chnl] = (IIcReadBuffer[2 + chnl * 4 + 1]);
offset[chnl] <<= 8;
offset[chnl] += (IIcReadBuffer[2 + chnl * 4]);
offset[chnl] = MyConvertor.byteArrToInt(offset[chnl]);
}
}
else
{
// AFE, Offset, ChannelNum获取失败
}
}
else
{
// DataReady始终为0, AFE等信息获取失败
}
DebugModeBClean();
return(new object[] { gain, chnlNum, offset });
}