IMG 1010 - LCD Display

The LCD display unit consists of a hierarchical LCD display menu system controlled by the five push button switches and default menu items. The display allows the user the capability to retrieve and monitor information. The LCD display is a standard two line times 24 (2x24) character display with a backlight. The default display is initially set to show the Product name and unique chassis ID. The user may optionally set any displayed item as the default by viewing the item and depressing and holding the Select push button then the Right push button. If the host configures a Node Name and ID, the Product Name, Node Name and ID will become the new default item to be displayed. The default display is displayed after all the push buttons are in the released state for a period for approximately one minute. The LCD is typically updated when interrupted by a push button input from the user.

Any item displayed by the front panel can be queried by the Host controlling the IMG 1010.

LCD Push Button Switches

The five push button switches allow the user to select and display information on the LCD display that are specific to an active IMG 1010 configuration. Each switch is interfaced to the main board for control and monitoring. Depressing and holding any of the switches for 500ms (0.5 seconds) will cause that keystroke to be reprocessed, in a typeomatic fashion.

The push buttons are as follows:

Up

• Used to scroll up to a different line of text.

• When pressed simultaneously with the Down push button, a hard reset of the IMG 1010 occurs.

Down

• Used to scroll down to a different line of text.

• Used to display contents of a menu item if no additional menu items exist to the bottom of this item.

• When pressed simultaneously with the Up push button, a hard reset of the IMG 1010 occurs.

Left

• Used to scroll left to a different line of text.

• When pressed simultaneously with the Right push button, a soft reset of the IMG 1010 occurs.

Right

• Used to scroll right to a different line of text.

• Used to display contents of a menu item if no additional menu items exist to the right of this item.

• When pressed simultaneously with the Left push button, a soft reset of the IMG 1010 occurs.

Select

• Used to display the contents of a menu item.

• Used to enter and exit the scroll mode, when an item contains scroll-able text. This will allow a menu item to display multiple lines of text by scrolling up and down and read the entire line by scrolling right and left.
   

Hard and Soft Resets

The push button switches also allow the user to initiate hard and soft unit resets as described below.

Hard Reset

Pressing the Up and Down switches simultaneously for 2.5 seconds causes a hard reset of the CPU. A hard reset reloads the processor configuration registers and the FPGA configuration data.

Soft Reset

Pressing the Left and Right switches simultaneously for 2.5 seconds causes a soft reset of the CPU. A soft reset will not reload the processor configuration registers and the FPGA configuration data.