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基于com串口的文件发送和接收
try
{
FileStream s = File.Open(fi.FullName, FileMode.Open);
byte[] file_buf = new byte[fi.Length];
int read_count = 0, per_count = 0;
read_count = s.Read(file_buf, 0, file_buf.Length);
string file_buf_full = Encoding.GetEncoding("gb2312").GetString(file_buf, 0, file_buf.Length);
if (read_count > 0)
{
string ctl_command = "";
ctl_command = ctl_command "<comstart>" fi.Directory.Name "_" DateTime.Now.ToString("yyyyMMddHHmmss") "_" fi.Name "</comstart>";
//开始发送命令标识
this.WriteLineSerialPort(serialPort1, ctl_command);
System.Threading.Thread.Sleep(50);
//send file
string file_buf_str = "";
while (file_buf_full.Length > 0)
{
if (file_buf_full.Length > this.filebuf)
{
file_buf_str = file_buf_full.Substring(0, this.filebuf);
this.WriteLineSerialPort(serialPort1, file_buf_str);
file_buf_full = file_buf_full.Substring(this.filebuf);
}
else
{
file_buf_str = file_buf_full;
this.WriteLineSerialPort(serialPort1, file_buf_str);
file_buf_full = "";
}
System.Threading.Thread.Sleep(50);
}
System.Threading.Thread.Sleep(50);
//send end
ctl_command = "<comend></comend>";
this.WriteLineSerialPort(serialPort1, ctl_command);
this.ResponseWrite(fi.Name "发送成功!");
s.Close();
s.Dispose();
}
}
catch (Exception ex)
{
this.ResponseWrite(ex.ToString());
}