public static uint InitInpOutDriver()
{
uint nResult = 0;
try
{
try
{
Console.WriteLine("load 32 driver");
// 打开32位驱动，如果失败了，会引发异常，再加载64位驱动
nResult = IT8786GPIO.IsInpOutDriverOpen();
Console.WriteLine("nResult1: " + nResult);
}
catch (BadImageFormatException)
{
Console.WriteLine("load 64 driver");
nResult = IT8786GPIO.IsInpOutDriverOpen_x64();
if (nResult != 0)
{
m_bX64 = true;
}
Console.WriteLine("nResult2: " + nResult);
}
return(nResult);
}
catch (DllNotFoundException ex) // dll查找是失败异常
{
Console.WriteLine("异常：" + ex.Message);
return(nResult);
}
}
private void ReadGPIOAttr()
{
short c = IT8786GPIO.ReadGpioMode();
lab_mode.Text = "GPIO MODE:" + Convert.ToInt32(c).ToString("X2");
short c1 = IT8786GPIO.ReadGpioVal();
lab_val.Text = "GPIO VALUE:" + Convert.ToInt32(c1).ToString("X2");
Console.WriteLine(lab_mode.Text + "----" + lab_val.Text);
}
private void btn_mode_Click(object sender, EventArgs e)
{
try
{
short iData = Convert.ToInt16(gp_mode.Text.Trim(), 16);
Console.WriteLine("gpio mode:" + iData);
IT8786GPIO.SetGpioMode(iData);
ReadGPIOAttr();
gp_mode.Text = "";
}
catch (Exception ex)
{
MessageBox.Show("An error occured:\n" + ex.Message);
}
}
public Form1()
{
InitializeComponent();
uint nResult = IT8786GPIO.InitInpOutDriver();
if (nResult == 0)
{
label4.Text = "Unable to open InpOut driver.";
label4.ForeColor = System.Drawing.Color.Red;
btn_mode.Enabled = false;
btn_gpio.Enabled = false;
}
else
{
label4.Text = "Load InpOut driver successfully.";
IT8786GPIO.InitGPIO();
ReadGPIOAttr();
}
}
private void Form1_FormClosed(object sender, FormClosedEventArgs e)
{
IT8786GPIO.FreeGPIO();
}