public string openDevice()
{
try
{
Int32 tmphdev = 0;
Int32[] devs = new Int32[100];
int i = 0;
do
{
tmphdev = E7Lib.fw_init(100, 0);
if (tmphdev > 0)
{
devs[i] = tmphdev;
}
else
{
//TODO:写入程序通知，让用户插入设备
//等待设备 1*100秒
Thread.Sleep(100);
}
i++;
}while (i < 25 && tmphdev < 0);
iDevice = devs[i - 1];
//打开LCD
setLCDBright(true);
//配置卡类型
int state = E7Lib.fw_config_card(iDevice, 0x41);
int stateAuth = E7Lib.fw_authentication(iDevice, 0, sectorNumber);
//E7Lib.fw_beep(iDevice, 10);
return(iDevice.ToString());
}
catch (Exception ex)
{
return(ex.Message);
}
}