![](/media/cache/img/default_profile.jpg.50x50_q85.jpg)
application for developing a menu
menu.cpp
- Committer:
- Mircea3M
- Date:
- 2014-03-21
- Revision:
- 0:842039476c99
File content as of revision 0:842039476c99:
#include "menu.h" C12832_LCD lcd; BusIn joystick_sel(p12, p14, p15); /* DigitalIn sw_right(p16); DigitalIn sw_up(p15); DigitalIn sw_enter(p14); DigitalIn sw_left(p13); DigitalIn sw_down(p12); */ DigitalOut myled_2(LED2); unsigned char menu_selection = 1; const char menu_000[] = " -Main Screen- "; const char menu_001[] = " Option 1 "; const char menu_002[] = " Option 2 "; const char menu_003[] = " Option 3 "; const char menu_004[] = " Option 4 "; const char menu_005[] = " Option 5 "; const char menu_006[] = " Option 6 "; const char menu_007[] = " Option 7 "; const char menu_008[] = " Option 8 "; const char menu_009[] = " START "; const char menu_100[] = " [Sub Menu] "; const char menu_101[] = " SubOption 1 "; const char menu_102[] = " SubOption 2 "; const char menu_103[] = " SubOption 3 "; const char menu_104[] = " SubOption 4 "; const char menu_105[] = " SubOption 5 "; const char menu_106[] = " SubOption 6 "; menuEntry menu[] = { {menu_000, 10, 0, 0, 0, 0}, {menu_001, 10, 1, 2, 11, 0}, {menu_002, 10, 1, 3, 2, 0}, {menu_003, 10, 2, 4, 3, 0}, {menu_004, 10, 3, 5, 4, 0}, {menu_005, 10, 4, 6, 5, 0}, {menu_006, 10, 5, 7, 6, 0}, {menu_007, 10, 6, 8, 7, 0}, {menu_008, 10, 7, 9, 8, 0}, {menu_009, 10, 8, 9, 9, start}, {menu_100, 7, 0, 0, 0, 0}, {menu_101, 7, 11, 12, 11, 0}, {menu_102, 7, 11, 13, 12, 0}, {menu_103, 7, 12, 14, 13, 0}, {menu_104, 7, 13, 15, 14, 0}, {menu_105, 7, 14, 16, 15, 0}, {menu_106, 7, 15, 16, 1, 0} }; void show_menu(void) { unsigned int line_cnt = 0; unsigned char from = 0; unsigned char till = 0; unsigned char temp = 0; while( till <= menu_selection ) { till += menu[till].menupoints; } from = till - menu[menu_selection].menupoints; till--; temp = from; if( (menu_selection >= (from+2)) && (menu_selection <= (till-1))) { from = menu_selection - 2; till = from + 3; for(from = from; from <= till; from++) { lcd.locate(7, 8*line_cnt); lcd.printf("%s", menu[from].text); line_cnt++; } lcd.locate(0, 8*2); lcd.printf(">"); }else{ // selection is within the top - 2 last 2 spaces if(menu_selection <= (from+2)) { till = from + 3; for(from = from; from <= till; from++) { lcd.locate(7, 8*line_cnt); lcd.printf("%s", menu[from].text); line_cnt++; } lcd.locate(0, 8*(menu_selection-temp)); lcd.printf(">"); } if(menu_selection == till) { from = till - 3; for(from = from; from <= till; from++) { lcd.locate(7, 8*line_cnt); lcd.printf("%s", menu[from].text); line_cnt++; } lcd.locate(0, 8*3); lcd.printf(">"); } } lcd.locate(0,0); lcd.printf("%d %d", menu_selection, line_cnt); } void browse_menu(void) { do{ show_menu(); switch(joystick_sel){ case 0x01: menu_selection = menu[menu_selection].down; break; case 0x02: menu_selection = menu[menu_selection].enter; if(menu[menu_selection].fp != 0) { menu[menu_selection].fp(); menu_selection = menu[menu_selection].enter; } break; case 0x04: menu_selection = menu[menu_selection].up; break; } // while(1) // { myled_2 = 1; wait(0.25); myled_2 = 0; wait(0.25); // } /* if(sw_up){ menu_selection = menu[menu_selection].up; } if(sw_down){ menu_selection = menu[menu_selection].down; } if(sw_left){ menu_selection = menu[menu_selection].up; } if(sw_enter){ menu_selection = menu[menu_selection].enter; if(menu[menu_selection].fp != 0) { menu[menu_selection].fp(); menu_selection = menu[menu_selection].enter; } wait(0.05); } */ }while(1); } void start(void) { lcd.cls(); lcd.locate(0, 0); lcd.printf("Start option selected"); while(1) { } }