Team Alpha / Mbed 2 deprecated UserIntefaceLCD

LCD implementation of our project.

Dependencies:   mbed mbed-rtos MLX90614

Menu.cpp@10:97389d774ae1, 2015-06-03 (annotated)

Committer:
ovidiup13
Date:
Wed Jun 03 17:42:47 2015 +0000
Revision:
10:97389d774ae1
Parent:
7:11675c1dce4f 
working version, comment out thermo in main;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ovidiup13 0:1e597b0f8b3b 1 #include "Menu.h"
ovidiup13 0:1e597b0f8b3b 2
ovidiup13 0:1e597b0f8b3b 3 void Menu::display(void){
ovidiup13 3:688b62ff6474 4 //display items
ovidiup13 0:1e597b0f8b3b 5 display_items(0); //display items starting from index 0
ovidiup13 0:1e597b0f8b3b 6 }
ovidiup13 0:1e597b0f8b3b 7
ovidiup13 0:1e597b0f8b3b 8 void Menu::update(char c){
ovidiup13 0:1e597b0f8b3b 9 //case down
ovidiup13 0:1e597b0f8b3b 10 if(c == DOWN){
ovidiup13 0:1e597b0f8b3b 11 //if last item already selected, do nothing
ovidiup13 0:1e597b0f8b3b 12 if(selected + 1 == size)
ovidiup13 0:1e597b0f8b3b 13 return; //do nothing
ovidiup13 0:1e597b0f8b3b 14
ovidiup13 0:1e597b0f8b3b 15 //if we are at the bottom of the screen
ovidiup13 0:1e597b0f8b3b 16 if(current_line % LAST_ITEM_LINE == 0){
ovidiup13 0:1e597b0f8b3b 17 // more items left => clear screen and add items
ovidiup13 0:1e597b0f8b3b 18 selected++;
ovidiup13 0:1e597b0f8b3b 19 //display items from the next selected item
ovidiup13 0:1e597b0f8b3b 20 current_line = FIRST_ITEM_LINE; //current selected line will be top of screen
ovidiup13 7:11675c1dce4f 21 //printf("got down, selected is: %d; current line is: %d\n", selected, current_line);
ovidiup13 0:1e597b0f8b3b 22 }
ovidiup13 0:1e597b0f8b3b 23 //it is not last on the screen
ovidiup13 0:1e597b0f8b3b 24 else{
ovidiup13 0:1e597b0f8b3b 25 //clear the screen
ovidiup13 0:1e597b0f8b3b 26 current_line++;
ovidiup13 0:1e597b0f8b3b 27 selected++;
ovidiup13 7:11675c1dce4f 28 //printf("selected is: %d; current line is: %d\n", selected, current_line);
ovidiup13 0:1e597b0f8b3b 29 }
ovidiup13 0:1e597b0f8b3b 30 st7565->clear();
ovidiup13 2:fcde41900fa5 31 display_items(selected/ITEMS_PER_SCREEN * ITEMS_PER_SCREEN);
ovidiup13 0:1e597b0f8b3b 32 return;
ovidiup13 0:1e597b0f8b3b 33 }
ovidiup13 0:1e597b0f8b3b 34 //case up
ovidiup13 0:1e597b0f8b3b 35 else if(c == UP){
ovidiup13 0:1e597b0f8b3b 36 //we are at top of items
ovidiup13 0:1e597b0f8b3b 37 if(selected == 0)
ovidiup13 0:1e597b0f8b3b 38 return; //do nothing
ovidiup13 0:1e597b0f8b3b 39
ovidiup13 0:1e597b0f8b3b 40 //if we are at the top of the screen => there are more items to show
ovidiup13 0:1e597b0f8b3b 41 if(current_line == FIRST_ITEM_LINE){
ovidiup13 0:1e597b0f8b3b 42 selected--;
ovidiup13 0:1e597b0f8b3b 43 //display items from the next selected item
ovidiup13 0:1e597b0f8b3b 44 current_line = LAST_ITEM_LINE; //current selected line will be top of screen
ovidiup13 0:1e597b0f8b3b 45 }
ovidiup13 0:1e597b0f8b3b 46 //it is not first on the screen
ovidiup13 0:1e597b0f8b3b 47 else{
ovidiup13 0:1e597b0f8b3b 48 current_line--;
ovidiup13 0:1e597b0f8b3b 49 selected--;
ovidiup13 0:1e597b0f8b3b 50 }
ovidiup13 0:1e597b0f8b3b 51 st7565->clear();
ovidiup13 2:fcde41900fa5 52 display_items(selected/ITEMS_PER_SCREEN * ITEMS_PER_SCREEN);
ovidiup13 0:1e597b0f8b3b 53 return;
ovidiup13 0:1e597b0f8b3b 54 }
ovidiup13 0:1e597b0f8b3b 55 else if(c == NL && items[selected]->isSelectable){
ovidiup13 3:688b62ff6474 56 //set selected screen so that UI knows which screen we selected to display
ovidiup13 3:688b62ff6474 57 this->setSelectedScreen(items[selected]);
ovidiup13 0:1e597b0f8b3b 58 }
ovidiup13 0:1e597b0f8b3b 59 }
ovidiup13 0:1e597b0f8b3b 60
ovidiup13 0:1e597b0f8b3b 61 void Menu::addItem(Item * i){
ovidiup13 0:1e597b0f8b3b 62 //if there are many items, ignore
ovidiup13 0:1e597b0f8b3b 63 if(size == MAX_ITEMS)
ovidiup13 0:1e597b0f8b3b 64 return;
ovidiup13 0:1e597b0f8b3b 65 //add pointer to item
ovidiup13 0:1e597b0f8b3b 66 items[size] = i;
ovidiup13 0:1e597b0f8b3b 67 size++;
ovidiup13 0:1e597b0f8b3b 68 isSelectable = true;
ovidiup13 0:1e597b0f8b3b 69 }
ovidiup13 0:1e597b0f8b3b 70
ovidiup13 0:1e597b0f8b3b 71 /*
ovidiup13 0:1e597b0f8b3b 72 Function that displays items on a new screen starting from an index.
ovidiup13 0:1e597b0f8b3b 73 */
ovidiup13 0:1e597b0f8b3b 74 void Menu::display_items(int index){
ovidiup13 0:1e597b0f8b3b 75 //draw title of menu
ovidiup13 0:1e597b0f8b3b 76 //display 1 or more items on the screen
ovidiup13 0:1e597b0f8b3b 77 int i = FIRST_ITEM_LINE, j;
ovidiup13 0:1e597b0f8b3b 78 //draw the first items
ovidiup13 0:1e597b0f8b3b 79 for(j = index; j < size && i <= LAST_ITEM_LINE; j++)
ovidiup13 2:fcde41900fa5 80 st7565->drawstring(LEFT_MARGIN * 2, i++, items[j]->getTitle());
ovidiup13 0:1e597b0f8b3b 81
ovidiup13 0:1e597b0f8b3b 82 //up arrow
ovidiup13 0:1e597b0f8b3b 83 if(index != 0){
ovidiup13 0:1e597b0f8b3b 84 st7565->drawline(119, 15, 125, 15,DEFAULT_COLOR);
ovidiup13 0:1e597b0f8b3b 85 st7565->drawline(119, 15, 122, 12,DEFAULT_COLOR);
ovidiup13 0:1e597b0f8b3b 86 st7565->drawline(125, 15, 122, 12,DEFAULT_COLOR);
ovidiup13 0:1e597b0f8b3b 87 }
ovidiup13 4:024e6a9c2ebf 88
ovidiup13 0:1e597b0f8b3b 89 //down arrow
ovidiup13 0:1e597b0f8b3b 90 if(j < size){
ovidiup13 0:1e597b0f8b3b 91 st7565->drawline(119, 60, 125, 60,DEFAULT_COLOR);
ovidiup13 0:1e597b0f8b3b 92 st7565->drawline(119, 60, 122, 63,DEFAULT_COLOR);
ovidiup13 0:1e597b0f8b3b 93 st7565->drawline(125, 60, 122, 63,DEFAULT_COLOR);
ovidiup13 0:1e597b0f8b3b 94 }
ovidiup13 4:024e6a9c2ebf 95
ovidiup13 0:1e597b0f8b3b 96 //set selected as first
ovidiup13 2:fcde41900fa5 97 st7565->drawcircle(2, (current_line * 8) + 3, 2, 20);
ovidiup13 0:1e597b0f8b3b 98 st7565->display();
ovidiup13 0:1e597b0f8b3b 99 }