Initial revision
This commit is contained in:
William Ferrell
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/*
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menus.c
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Defines the default menus the server provides. Also includes the
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plug-in functions attached to menu items...
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So far, all menus are static, and not dynamically generated. I'll
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have to find a way to fix this, since many menu items will be dynamic.
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(clients connected, screens available, etc...)
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <unistd.h>
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#include "../shared/debug.h"
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#include "drivers/lcd.h"
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#include "main.h"
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#include "menus.h"
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#include "render.h"
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#include "serverscreens.h"
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int Shutdown_func();
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int System_halt_func();
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int Reboot_func();
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int Close_func();
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int OK_func();
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int Time24_func(int input);
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int Heartbeat_func(int input);
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int Backlight_func(int input);
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int Server_screen_func(int input);
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int Contrast_func(int input);
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int Backlight_Brightness_func(int input);
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int Backlight_Off_Brightness_func(int input);
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int Backlight_Off_func();
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int Backlight_On_func();
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int Backlight_Open_func();
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menu_item main_menu[] = {
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{ "LCDproc", 0, 0 },// Title
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{ "Options", TYPE_MENU, (void *)options_menu},
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{ "Screens", TYPE_MENU, (void *)screens_menu},
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{ "Shutdown", TYPE_MENU, (void *)shutdown_menu },
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{ 0, 0, 0 },
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};
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menu_item options_menu[] = {
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{ "OPTIONS", TYPE_TITL, 0}, // Title
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// "24-hour Time", TYPE_CHEK, (void *)Time24_func,
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{ "Contrast...", TYPE_SLID, (void *)Contrast_func},
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{ "Backlight", TYPE_MENU, (void *)Backlight_menu},
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{ "Heartbeat", TYPE_CHEK, (void *)Heartbeat_func},
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// { "Backlight...", TYPE_SLID, (void *)Backlight_func},
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// "OK", TYPE_FUNC, (void *)OK_func,
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// "Close Menu", TYPE_FUNC, (void *)Close_func,
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// "Exit Program", TYPE_FUNC, (void *)Shutdown_func,
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// "Another Title",TYPE_TITL, 0,
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// "Main menu?", TYPE_MENU, (void *)main_menu,
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// "Nothing!", TYPE_FUNC, 0,
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{ 0, 0, 0},
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};
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menu_item screens_menu[] = {
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{ "SCREENS", TYPE_TITL, 0}, // Title
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{ "Server Scr",TYPE_CHEK, (void *)Server_screen_func},
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{ 0, 0, 0},
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};
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menu_item shutdown_menu[] = {
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{ "Shut Down...", TYPE_TITL, 0}, // Title
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{ "Kill LCDproc", TYPE_FUNC, (void *)Shutdown_func},
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{ "System halt", TYPE_FUNC, (void *)System_halt_func},
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{ "Reboot", TYPE_FUNC, (void *)Reboot_func},
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{ 0, 0, 0},
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};
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menu_item Backlight_menu[] = {
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{ "BACKLIGHT MENU", TYPE_TITL, 0}, // Title
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{ "Brightness...", TYPE_SLID, (void *)Backlight_Brightness_func},
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{ "\"Off\" Brightness", TYPE_SLID, (void *)Backlight_Off_Brightness_func},
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{ "Backlight Mode:", TYPE_FUNC, 0}, // Label
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{ " - Off", TYPE_FUNC, Backlight_Off_func},
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{ " - On", TYPE_FUNC, Backlight_On_func},
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{ " - Open", TYPE_FUNC, Backlight_Open_func},
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{ 0, 0, 0},
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};
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///////////////////////////////////////////////////////////////////////
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// Plug-in functions for menu items
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//
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// Exits the program.
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int Shutdown_func()
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{
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exit_program(0);
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return MENU_KILL;
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}
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// Shuts down the system, if possible
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int System_halt_func()
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{
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int err;
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uid_t id;
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id = geteuid();
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err = system("init 0");
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if(err < 0) return MENU_KILL;
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if(err == 127) return MENU_KILL;
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// If we're root, exit
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if(id == 0) exit_program(0);
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// Otherwise, assume shutdown will fail; and show more stats.
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return MENU_KILL;
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}
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// Shuts down the system and restarts it
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int Reboot_func()
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{
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int err;
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uid_t id;
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id = geteuid();
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err = system("init 6");
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if(err < 0) return MENU_KILL;
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if(err == 127) return MENU_KILL;
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// If we're root, exit
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if(id == 0) exit_program(0);
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// Otherwise, assume shutdown will fail; and show more stats.
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return MENU_KILL;
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}
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int Close_func()
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{
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return MENU_CLOSE;
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}
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int OK_func()
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{
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return MENU_OK;
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}
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int Time24_func(int input)
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{
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static int status=0;
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if(input == MENU_READ) return status;
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if(input == MENU_CHECK) status ^= 1; // does something.
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return (status | MENU_OK);
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// The status is "or"-ed with the MENU value to let do_menu()
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// know what to do after selecting the item. (two return
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// values in one. :)
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// Also, "MENU_OK" happens to be zero, so it does not matter
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// unless you want something else (like MENU_CLOSE)
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}
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int Heartbeat_func(int input)
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{
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if(input == MENU_READ) return (heartbeat != HEART_OFF);
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if(input == MENU_CHECK)
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{
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if(heartbeat) heartbeat = HEART_OFF;
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else heartbeat = HEART_OPEN;
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}
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return ((heartbeat != HEART_OFF) | MENU_OK);
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}
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int Backlight_func(int input)
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{
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int status = 128;
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switch(backlight)
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{
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case BACKLIGHT_OFF:
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if(input == MENU_READ) status = 0;
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if(input == MENU_PLUS)
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{
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backlight = BACKLIGHT_OPEN;
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status = 128;
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}
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if(input == MENU_MINUS)
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{
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status = 0;
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}
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break;
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case BACKLIGHT_ON:
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if(input == MENU_READ) status = 255;
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if(input == MENU_PLUS)
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{
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status = 255;
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}
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if(input == MENU_MINUS)
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{
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backlight = BACKLIGHT_OPEN;
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status = 128;
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}
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break;
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case BACKLIGHT_OPEN:
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if(input == MENU_READ) status = 128;
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if(input == MENU_PLUS)
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{
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backlight = BACKLIGHT_ON;
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backlight_state = BACKLIGHT_ON;
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status = 255;
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}
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if(input == MENU_MINUS)
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{
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backlight = BACKLIGHT_OFF;
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backlight_state = BACKLIGHT_OFF;
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status = 0;
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}
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break;
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}
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/*
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if(input == MENU_READ) return (backlight != BACKLIGHT_OFF);
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if(input == MENU_CHECK)
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{
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if(backlight) backlight = BACKLIGHT_OFF;
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else backlight = BACKLIGHT_OPEN;
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}
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*/
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lcd.backlight(backlight_state & BACKLIGHT_ON);
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return (status | MENU_OK);
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}
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int Server_screen_func(int input)
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{
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if(input == MENU_READ) return (server_screen->priority < 256);
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if(input == MENU_CHECK)
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{
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if(server_screen->priority < 256) server_screen->priority = 256;
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else server_screen->priority = 128;
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}
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return (MENU_OK | (server_screen->priority < 256));
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}
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int Contrast_func(int input)
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{
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int status;
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status=lcd.contrast(-1);
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if(input == MENU_READ) return status;
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if(input == MENU_PLUS) status+=5; // does something.
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if(input == MENU_MINUS) status-=5; // does something.
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if(status<0) status=0;
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if(status>255) status=255;
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lcd.contrast(status);
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return (status | MENU_OK);
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}
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void server_menu()
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{
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debug("server_menu()\n");
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do_menu(main_menu);
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}
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int Backlight_Brightness_func(int input)
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{
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int status = backlight_brightness;
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if(input == MENU_READ) return status;
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if(input == MENU_PLUS) status+=5; // does something.
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if(input == MENU_MINUS) status-=5; // does something.
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if(status<0) status=0;
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if(status>255) status=255;
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lcd.backlight(status);
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backlight_brightness = status;
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return (status | MENU_OK);
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}
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int Backlight_Off_Brightness_func(int input)
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{
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int status = backlight_off_brightness;
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if(input == MENU_READ) return status;
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if(input == MENU_PLUS) status+=5; // does something.
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if(input == MENU_MINUS) status-=5; // does something.
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if(status<0) status=0;
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if(status>255) status=255;
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lcd.backlight(status);
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backlight_off_brightness = status;
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return (status | MENU_OK);
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}
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int Backlight_Off_func()
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{
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backlight_state = BACKLIGHT_OFF;
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backlight = BACKLIGHT_OFF;
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lcd.backlight(backlight_off_brightness);
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return MENU_OK;
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}
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int Backlight_On_func()
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{
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backlight_state = BACKLIGHT_ON;
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backlight = BACKLIGHT_ON;
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lcd.backlight(backlight_brightness * (backlight_state & BACKLIGHT_ON));
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return MENU_OK;
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}
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int Backlight_Open_func()
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{
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backlight = BACKLIGHT_OPEN;
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return MENU_OK;
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}
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