Forenex FES91W Series, User Manual

Page: 49 / 56

http://www.forenex.com.tw - 49 -
'The following program is how to execute GPIO function on RadioButton
Private Sub RadioButton2_CheckedChanged( ByVal sender As System.Object, ByVal e As
System.EventArgs) Handles RadioButton17.CheckedChanged
If ComboBox1.SelectedIndex = 0 Then ' Select GPIO become Output mode
If RadioButton2.Checked = True Then 'LOW
gpio_output(0, 0) 'Set GPIO(0) to be output mode and set voltage is LOW
End If
End If
If ComboBox1.SelectedIndex = 1 Then ' Select GPIO become Input mode
If RadioButton17.Checked = True Then 'LOW
End If
End If
End Sub
'The following program is how to execute GPIO function on ComboBox
Private Sub ComboBox1_SelectedIndexChanged( ByVal sender As System.Object, ByVal e As
System.EventArgs) Handles ComboBox1.SelectedIndexChanged
Dim input_status As Integer
If ComboBox1.SelectedIndex = 0 Then ' Select GPIO become Output mode
RadioButton1.Enabled = True 'Hight
RadioButton17.Enabled = True 'Low
Else ' Select GPIO become Input mode
input_status = gpio_input(0) 'Set GPIO(0) as input mode and read intput voltage
If input_status = 1 Then 'If read voltage is HI
RadioButton1.Checked = True
RadioButton1_CheckedChanged(sender, e)
ElseIf input_status = 0 Then ' If read voltage is Low
RadioButton2.Checked = True
RadioButton2_CheckedChanged(sender, e)
End If
End If
End Sub
●When GPIO as Output mode, user can select voltage level Hi or Low by RadioButton.