Example of how to use an Ada Fruit RGB LCD with the Ada Fruit RGB LCD Shield Library

Dependencies:   AdaFruit_RGBLCDShield MCP23017 mbed RTclock

Dependents:   SX1276_GPS

Fork of MCP_test by Wim Huiskamp

Updated the Adafruit RGB LCD Shield test app with a module system.

It pulls in RTclock which is another library I did for controlling the DS1307 RTC in a sane way (marries stdlib time and the RTC together cleanly). You don't need an RTC to run the example, it'll just use stdlib time instead. This class also maps RTC to system time, so if you loose the RTC the mbed will free run.

Four modules are defined in the modules folder plus the module base class. These examples provide:

  • title menu item
  • time menu item (updates automatically)
  • date menu item
  • fake temp menu item

Press select to switch modes: menu->cursor->change

Menu switches menu items going up/down. Cursor allows you to move around editable fields using the cursor keys / marker. Change allows you to move left/right on a particular line and change values by using up/down on an item with the blink box.

Custom fonts are defined for UI arrows and degree character.

If you want a menu item to update over time then you need to implement the canRefresh() member function in any child module you derive from class Module. Make it return true to receive update requests in your show() member function. Date and time both check when refreshing to see if anything has changed, then update.

main() registers a table of modules with the MenuManager. Others can be added easily by creating children derived from the Module base class..

Depending on what you want to do you may need to adjust the loop wait time in MenuManager::loop(). If you don't balance this based on work you need to do then the key presses may get a little lively. I may adjust the key checking to be fixed to 200ms regardless of loop wait time, however the catch there is that you'll consume more power the more loops you do so the wait is still important.

Happy coding!

Committer:
vtraveller
Date:
Sun Aug 10 16:01:43 2014 +0000
Revision:
12:0fea8ebe6c1a
Parent:
11:96146db429de
Child:
13:9641bc42db92
Added Date Changing.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
vtraveller 10:3fcab08717fc 1 #include "mbed.h"
vtraveller 10:3fcab08717fc 2 #include "DateModule.h"
vtraveller 10:3fcab08717fc 3 #include "time_helper.h"
vtraveller 10:3fcab08717fc 4
vtraveller 10:3fcab08717fc 5 const char * k_aWeekDays[] = { "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" };
vtraveller 10:3fcab08717fc 6
vtraveller 10:3fcab08717fc 7 DateModule::DateModule
vtraveller 10:3fcab08717fc 8 (
vtraveller 10:3fcab08717fc 9 Adafruit_RGBLCDShield & in_cLCD,
vtraveller 10:3fcab08717fc 10 RTclock & in_cRTclock
vtraveller 10:3fcab08717fc 11 )
vtraveller 10:3fcab08717fc 12 : Module(in_cLCD)
vtraveller 10:3fcab08717fc 13 , m_cRTclock(in_cRTclock)
vtraveller 10:3fcab08717fc 14 {
vtraveller 10:3fcab08717fc 15 }
vtraveller 10:3fcab08717fc 16
vtraveller 10:3fcab08717fc 17 DateModule::~DateModule()
vtraveller 10:3fcab08717fc 18 {
vtraveller 10:3fcab08717fc 19 }
vtraveller 11:96146db429de 20
vtraveller 11:96146db429de 21 void DateModule::change
vtraveller 11:96146db429de 22 (
vtraveller 11:96146db429de 23 int in_nIndexX,
vtraveller 11:96146db429de 24 int in_nCursorY,
vtraveller 11:96146db429de 25 bool in_bUp
vtraveller 11:96146db429de 26 )
vtraveller 11:96146db429de 27 {
vtraveller 11:96146db429de 28 tm sTM;
vtraveller 10:3fcab08717fc 29
vtraveller 11:96146db429de 30 // to get the current time information
vtraveller 11:96146db429de 31 if (!m_cRTclock.getTime(sTM)) GetTime(sTM);
vtraveller 11:96146db429de 32 bool bTwelveHour = m_cRTclock.isTwelveHour();
vtraveller 12:0fea8ebe6c1a 33
vtraveller 12:0fea8ebe6c1a 34 enum ETime
vtraveller 12:0fea8ebe6c1a 35 {
vtraveller 12:0fea8ebe6c1a 36 eWeekDay = 0,
vtraveller 12:0fea8ebe6c1a 37 eDayTen,
vtraveller 12:0fea8ebe6c1a 38 eDaySingle,
vtraveller 12:0fea8ebe6c1a 39 eMonthTen,
vtraveller 12:0fea8ebe6c1a 40 eMonthSingle,
vtraveller 12:0fea8ebe6c1a 41 eYearTen,
vtraveller 12:0fea8ebe6c1a 42 eYearSingle,
vtraveller 12:0fea8ebe6c1a 43 };
vtraveller 11:96146db429de 44
vtraveller 11:96146db429de 45 switch (in_nIndexX)
vtraveller 11:96146db429de 46 {
vtraveller 12:0fea8ebe6c1a 47 case eWeekDay: sTM.tm_wday += (in_bUp ? 1 : -1); break;
vtraveller 12:0fea8ebe6c1a 48 case eDayTen: sTM.tm_mday += (in_bUp ? 1 : -1) * 10; break;
vtraveller 12:0fea8ebe6c1a 49 case eDaySingle: sTM.tm_mday += (in_bUp ? 1 : -1); break;
vtraveller 12:0fea8ebe6c1a 50 case eMonthTen: sTM.tm_mon += (in_bUp ? 1 : -1) * 10; break;
vtraveller 12:0fea8ebe6c1a 51 case eMonthSingle: sTM.tm_mon += (in_bUp ? 1 : -1); break;
vtraveller 12:0fea8ebe6c1a 52 case eYearTen: sTM.tm_year += (in_bUp ? 1 : -1) * 10; break;
vtraveller 12:0fea8ebe6c1a 53 case eYearSingle: sTM.tm_year += (in_bUp ? 1 : -1); break;
vtraveller 11:96146db429de 54 }
vtraveller 12:0fea8ebe6c1a 55
vtraveller 12:0fea8ebe6c1a 56 if (sTM.tm_wday < 0) sTM.tm_wday = 0;
vtraveller 12:0fea8ebe6c1a 57 if (sTM.tm_wday > 6) sTM.tm_wday = 6;
vtraveller 12:0fea8ebe6c1a 58 if (sTM.tm_mday < 1) sTM.tm_mday = 1;
vtraveller 12:0fea8ebe6c1a 59 if (sTM.tm_mday > 31) sTM.tm_mday = 31;
vtraveller 12:0fea8ebe6c1a 60 if (sTM.tm_mon < 0) sTM.tm_mon = 0;
vtraveller 12:0fea8ebe6c1a 61 if (sTM.tm_mon > 11) sTM.tm_mon = 11;
vtraveller 12:0fea8ebe6c1a 62 if (sTM.tm_year < 2000 - 1900) sTM.tm_year = 2000 - 1900;
vtraveller 12:0fea8ebe6c1a 63 if (sTM.tm_year > 2099 - 1900) sTM.tm_year = 2099 - 1900;
vtraveller 11:96146db429de 64
vtraveller 12:0fea8ebe6c1a 65 if (m_cRTclock.setTime(sTM,bTwelveHour))
vtraveller 12:0fea8ebe6c1a 66 {
vtraveller 12:0fea8ebe6c1a 67 m_cRTclock.mapTime();
vtraveller 12:0fea8ebe6c1a 68 }
vtraveller 12:0fea8ebe6c1a 69 else
vtraveller 12:0fea8ebe6c1a 70 {
vtraveller 12:0fea8ebe6c1a 71 SetTime(sTM);
vtraveller 12:0fea8ebe6c1a 72 }
vtraveller 11:96146db429de 73 }
vtraveller 11:96146db429de 74
vtraveller 10:3fcab08717fc 75 int DateModule::setCursor
vtraveller 10:3fcab08717fc 76 (
vtraveller 10:3fcab08717fc 77 int in_nIndex,
vtraveller 10:3fcab08717fc 78 int in_nCursorX,
vtraveller 10:3fcab08717fc 79 int in_nCursorY
vtraveller 10:3fcab08717fc 80 )
vtraveller 10:3fcab08717fc 81 {
vtraveller 12:0fea8ebe6c1a 82 const int k_aCursor[] = { 2, 4, 5, 7, 8, 12, 13 };
vtraveller 10:3fcab08717fc 83
vtraveller 10:3fcab08717fc 84 int nIndex = in_nIndex;
vtraveller 10:3fcab08717fc 85 if (nIndex < 0) nIndex = 0;
vtraveller 10:3fcab08717fc 86 if (nIndex >= _countof(k_aCursor)) nIndex = _countof(k_aCursor) - 1;
vtraveller 10:3fcab08717fc 87
vtraveller 10:3fcab08717fc 88 int nCursorX = k_aCursor[nIndex];
vtraveller 10:3fcab08717fc 89 m_cLCD.setCursor(in_nCursorX + nCursorX,in_nCursorY);
vtraveller 10:3fcab08717fc 90
vtraveller 10:3fcab08717fc 91 return nIndex;
vtraveller 10:3fcab08717fc 92 }
vtraveller 10:3fcab08717fc 93
vtraveller 10:3fcab08717fc 94 void DateModule::show()
vtraveller 10:3fcab08717fc 95 {
vtraveller 10:3fcab08717fc 96 tm sTM;
vtraveller 10:3fcab08717fc 97
vtraveller 10:3fcab08717fc 98 // to get the current time information
vtraveller 10:3fcab08717fc 99 if (!m_cRTclock.getTime(sTM)) GetTime(sTM);
vtraveller 10:3fcab08717fc 100
vtraveller 10:3fcab08717fc 101 m_cLCD.printf ("%s %02i/%02i/%04i ", k_aWeekDays[sTM.tm_wday], sTM.tm_mday, sTM.tm_mon + 1, 1900 + sTM.tm_year);
vtraveller 10:3fcab08717fc 102 }