menu.c File Reference

Handles menu display and selection. More...

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Functions
void	Menu (const menu_t *menu)
	Executes a menu page. More...
static void	MenuDraw (const menu_t *menu)
	Draws a menu page (without erasing the display before) More...
void	MenuMain (void)
	Displays the Main Menu. More...

Variables
uint8_t	activeItem
uint8_t	numberOfItems
static const char TXT_BACK []	PROGMEM ="Back"
	The structure of the main menu. More...
uint8_t	redrawRequest
	Set to 1 by USB if screen was modified. More...
static const char	TXT_BACK [] = "Back"
	The Back-Button is a Replacement for the Cancel Button. More...
const char	TXT_MAIN1 [] ="Manual Test"
static const char	TXT_MAINMENU [] =" --- Main Menu ---"

Detailed Description

Handles menu display and selection.

Menus are handled in pages. Due to display limitations, each page can have a maximum of 7 entries. The main menu is called as a page. Submenus are subsequent calls to menue().

Function Documentation

MenuMain()

void MenuMain

(

void

)

Displays the Main Menu.

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MenuDraw()

static void MenuDraw ( const menu_t *  menu )

static

Draws a menu page (without erasing the display before)

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Menu()

void Menu

(

const menu_t *

menu

)

Executes a menu page.

Parameters

menu	A pointer to an MENU_t-struct

The display is erased and the menu is drawn. If an entry is selected, the according function is called. This function returns if the cancel-key is pressed. On return, the display is cleared.

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Variable Documentation

redrawRequest

uint8_t redrawRequest

Set to 1 by USB if screen was modified.

TXT_BACK

static const char TXT_BACK = "Back"

static

The Back-Button is a Replacement for the Cancel Button.

PROGMEM

const menu_t menuStructMain PROGMEM ="Back"

static

The structure of the main menu.

TXT_MAINMENU

static const char TXT_MAINMENU =" --- Main Menu ---"

static

TXT_MAIN1

const char TXT_MAIN1 ="Manual Test"

activeItem

uint8_t activeItem

numberOfItems

uint8_t numberOfItems