/// <summary>
/// 保存波形，波形内容以byte数组传递，即2byte为一位16进制
/// 除以转换系数，转换为float型，保存时以,分隔
/// </summary>
/// <param name="path"></param>
/// <param name="waveData"></param>
/// <param name="filename"></param>
/// <param name="samplingDate"></param>
/// <param name="transformCofe"></param>
public static void SaveWave(string path, byte[] waveData, string filename, DateTime samplingDate, float transformCofe)
{
try
{
if (waveData == null || waveData.Length == 0)
{
//波形内容为空时，不保存
string message = string.Format("波形文件名称为:{0},采集时间为:{1}的波形数据的波形内容为空，无法保存", filename, samplingDate.ToString());
LogHelper.WriteLog(new Exception(message));
return;
}
if (filename.Length == 0)
{
//波形文件名称为空时，不保存
string message = string.Format("波形文件名称为:{0},采集时间为:{1}的波形数据的波形文件名称为空，无法保存", filename, samplingDate.ToString());
LogHelper.WriteLog(new Exception(message));
return;
}
if (transformCofe == 0)
{
//转换系数为0时，不保存
string message = string.Format("波形文件名称为:{0},采集时间为:{1}的波形数据的转换系数为0，无法保存", filename, samplingDate.ToString());
LogHelper.WriteLog(new Exception(message));
return;
}
StringBuilder sb = new StringBuilder();
for (int i = 0; i < waveData.Length; i += 2)
{
if (i + 1 == waveData.Length)
{
break;
}
float value = (float)(ConvertUtility.ConvertToInt16(waveData, i)) / transformCofe;
if (i == waveData.Length - 2)
{
sb.Append(value.ToString("0.0000"));
}
else
{
sb.Append(value.ToString("0.0000") + SeparatorString);
}
}
//保存
Save(path, sb.ToString(), filename, samplingDate);
}
catch (Exception ex)
{
LogHelper.WriteLog(ex);
}
}
/// <summary>
/// 判断升级文件的合法性
/// </summary>
/// <param name="buffer"></param>
/// <returns></returns>
public static bool JudgeLegitimacyOfUpgradeFile(byte[] buffer)
{
bool result = false;
if (buffer != null && buffer.Length > 0)
{
//add by masu 2016年3月2日15:33:10 判断下发固件升级文件是否正确
//获取升级文件中魔术数字
int magicWord = ConvertUtility.ConvertToInt32(new byte[] { buffer[3], buffer[2], buffer[1], buffer[0] }, 0);
//获取升级的版本号
UpdateVer.u8Main = buffer[4];
UpdateVer.u8Sub = buffer[5];
UpdateVer.u8Rev = buffer[6];
UpdateVer.u8Build = buffer[7];
//获取升级文件中包数大小
UpdateTotalNum = ConvertUtility.ConvertToInt16(new byte[] { buffer[13], buffer[12] }, 0);
//获取固件大小
int fwSize = ConvertUtility.ConvertToInt32(new byte[] { buffer[11], buffer[10], buffer[9], buffer[8] }, 0);
//获取升级文件中单包数据大小
int singlePacketSize = Convert.ToInt32(buffer[14]);
//获取总包个数
int dataTotalCount = (buffer.Length - 19) / singlePacketSize;
//获取真实总包数目的余数
int dataTotalCountRemainder = (buffer.Length - 19) % singlePacketSize;
if (dataTotalCountRemainder > 0)
{
dataTotalCount += 1;
}
if (dataTotalCount == UpdateTotalNum && (buffer.Length - 19) == fwSize)
{
result = true;
}
else
{
result = false;
}
}
return(result);
}