Mark Shuck / SerialLCD_Menu

Serial LCD Menu system with buttons instead of RPG. Based on Peihsun Yeh's work

Fork of Menu by Peihsun Yeh

Navigator.cpp@5:70fec61bebaf, 2013-08-04 (annotated)

Committer:
mshuck
Date:
Sun Aug 04 18:02:39 2013 +0000
Revision:
5:70fec61bebaf
Parent:
4:343f2993a66b 
Serial LCD based; removed RPG and hard defined buttons

Who changed what in which revision?

UserRevisionLine numberNew contents of line
pyeh9 1:84d263c8932d 1 #include "Navigator.h"
pyeh9 1:84d263c8932d 2
mshuck 4:343f2993a66b 3 Navigator::Navigator(Menu *root, SerialLCD *lcd) : activeMenu(root), lcd(lcd)
pyeh9 1:84d263c8932d 4 {
pyeh9 1:84d263c8932d 5 bottom = root->selections.size();
pyeh9 1:84d263c8932d 6 cursorPos = 0;
pyeh9 1:84d263c8932d 7 cursorLine = 1;
pyeh9 1:84d263c8932d 8 button = 0;
pyeh9 1:84d263c8932d 9 lastButton = 0;
mshuck 4:343f2993a66b 10 setButtons();
pyeh9 2:2654dc659298 11 printMenu();
pyeh9 2:2654dc659298 12 printCursor();
pyeh9 1:84d263c8932d 13 }
mshuck 4:343f2993a66b 14
mshuck 4:343f2993a66b 15 DigitalIn pbUp(p21);
mshuck 4:343f2993a66b 16 DigitalIn pbDown(p22);
mshuck 4:343f2993a66b 17 DigitalIn pbSelect(p23);
mshuck 4:343f2993a66b 18
mshuck 4:343f2993a66b 19
mshuck 4:343f2993a66b 20 void Navigator::setButtons()
mshuck 4:343f2993a66b 21 {
mshuck 4:343f2993a66b 22 pbUp.mode(PullUp);
mshuck 4:343f2993a66b 23 pbDown.mode(PullUp);
mshuck 4:343f2993a66b 24 pbSelect.mode(PullUp);
mshuck 4:343f2993a66b 25 }
mshuck 4:343f2993a66b 26
pyeh9 1:84d263c8932d 27 void Navigator::printMenu()
pyeh9 1:84d263c8932d 28 {
mshuck 3:920157b558db 29 lcd->clear();
pyeh9 1:84d263c8932d 30 if(bottom == 1){ // the current Menu only has one selection
mshuck 4:343f2993a66b 31 lcd->printf("%s", activeMenu->selections[0].selText);
pyeh9 1:84d263c8932d 32 } else {
mshuck 4:343f2993a66b 33 if(cursorLine == 2){
mshuck 4:343f2993a66b 34 // moving down in menu
mshuck 4:343f2993a66b 35 lcd->printf("%s", activeMenu->selections[cursorPos-1].selText);
mshuck 5:70fec61bebaf 36 lcd->setPosition(1,0); // Sparkfun Serial LCD based on PIC16LF88
mshuck 4:343f2993a66b 37 lcd->printf("%s", activeMenu->selections[cursorPos].selText);
pyeh9 1:84d263c8932d 38 } else {
mshuck 4:343f2993a66b 39 // moving up in menu
mshuck 3:920157b558db 40 lcd->printf("%s", activeMenu->selections[cursorPos].selText);
mshuck 5:70fec61bebaf 41 lcd->setPosition(1,0); // Sparkfun Serial LCD based on PIC16LF88
mshuck 3:920157b558db 42 lcd->printf("%s", activeMenu->selections[cursorPos+1].selText);
pyeh9 1:84d263c8932d 43 }
pyeh9 1:84d263c8932d 44 }
pyeh9 1:84d263c8932d 45 }
pyeh9 1:84d263c8932d 46
pyeh9 1:84d263c8932d 47 void Navigator::printCursor()
pyeh9 1:84d263c8932d 48 {
pyeh9 1:84d263c8932d 49
mshuck 5:70fec61bebaf 50 lcd->setPosition(0,0); // Sparkfun Serial LCD based on PIC16LF88
pyeh9 1:84d263c8932d 51 if(cursorLine == 1){
mshuck 3:920157b558db 52 lcd->printf(">");
mshuck 5:70fec61bebaf 53 lcd->setPosition(1,0); // Sparkfun Serial LCD based on PIC16LF88
mshuck 3:920157b558db 54 lcd->printf(" ");
pyeh9 1:84d263c8932d 55 } else if(cursorLine == 2){
mshuck 3:920157b558db 56 lcd->printf(" ");
mshuck 5:70fec61bebaf 57 lcd->setPosition(1,0); // Sparkfun Serial LCD based on PIC16LF88
mshuck 4:343f2993a66b 58 lcd->printf(">");
pyeh9 1:84d263c8932d 59 }
pyeh9 1:84d263c8932d 60 }
pyeh9 1:84d263c8932d 61
pyeh9 1:84d263c8932d 62 void Navigator::poll()
pyeh9 1:84d263c8932d 63 {
mshuck 4:343f2993a66b 64
mshuck 4:343f2993a66b 65 if(pbUp == 0){
mshuck 4:343f2993a66b 66 wait(0.2);
mshuck 4:343f2993a66b 67 moveUp();
pyeh9 1:84d263c8932d 68 }
mshuck 4:343f2993a66b 69 if(pbDown == 0){
pyeh9 1:84d263c8932d 70 wait(0.2);
mshuck 4:343f2993a66b 71 moveDown();
mshuck 4:343f2993a66b 72 }
mshuck 4:343f2993a66b 73 if(pbSelect == 0){
mshuck 4:343f2993a66b 74 wait(0.2);
mshuck 4:343f2993a66b 75
pyeh9 1:84d263c8932d 76 if(activeMenu->selections[cursorPos].fun != NULL){
pyeh9 1:84d263c8932d 77 (activeMenu->selections[cursorPos].fun)();
pyeh9 1:84d263c8932d 78 }
mshuck 4:343f2993a66b 79
pyeh9 1:84d263c8932d 80 if(activeMenu->selections[cursorPos].childMenu != NULL){
pyeh9 1:84d263c8932d 81 activeMenu = activeMenu->selections[cursorPos].childMenu;
pyeh9 1:84d263c8932d 82 bottom = activeMenu->selections.size();
pyeh9 1:84d263c8932d 83 cursorPos = 0;
pyeh9 1:84d263c8932d 84 cursorLine = 1;
pyeh9 1:84d263c8932d 85 printMenu();
pyeh9 1:84d263c8932d 86 printCursor();
pyeh9 1:84d263c8932d 87 }
pyeh9 1:84d263c8932d 88 }
pyeh9 1:84d263c8932d 89 lastButton = button;
mshuck 4:343f2993a66b 90
pyeh9 1:84d263c8932d 91 }
pyeh9 1:84d263c8932d 92
pyeh9 1:84d263c8932d 93 void Navigator::moveUp()
pyeh9 1:84d263c8932d 94 {
pyeh9 1:84d263c8932d 95 if(cursorLine == 1){
pyeh9 1:84d263c8932d 96 printMenu();
pyeh9 1:84d263c8932d 97 } else if(cursorLine == 2){
pyeh9 1:84d263c8932d 98 cursorLine = 1;
pyeh9 1:84d263c8932d 99 }
pyeh9 1:84d263c8932d 100
pyeh9 1:84d263c8932d 101 if(cursorPos != 0){
pyeh9 1:84d263c8932d 102 cursorPos--;
pyeh9 1:84d263c8932d 103 printMenu();
pyeh9 1:84d263c8932d 104 }
pyeh9 1:84d263c8932d 105 printCursor();
pyeh9 1:84d263c8932d 106 }
pyeh9 1:84d263c8932d 107
pyeh9 1:84d263c8932d 108 void Navigator::moveDown()
pyeh9 1:84d263c8932d 109 {
pyeh9 1:84d263c8932d 110 if(cursorLine == 1){
pyeh9 1:84d263c8932d 111 cursorLine = 2;
pyeh9 1:84d263c8932d 112 } else if(cursorLine == 2){
pyeh9 1:84d263c8932d 113 printMenu();
pyeh9 1:84d263c8932d 114 }
pyeh9 1:84d263c8932d 115
pyeh9 1:84d263c8932d 116 if(cursorPos != (bottom-1)){
pyeh9 1:84d263c8932d 117 cursorPos++;
pyeh9 1:84d263c8932d 118 printMenu();
pyeh9 1:84d263c8932d 119 }
pyeh9 1:84d263c8932d 120 printCursor();
pyeh9 1:84d263c8932d 121 }