Sample GUI for LPC4088. Base code to begin dev
Dependencies: DMBasicGUI DMSupport
Fork of lpc4088_displaymodule_shipped_demo by
Diff: AppRTCSettings.cpp
- Revision:
- 0:b94e330c98ac
- Child:
- 2:229f88d6f56b
diff -r 000000000000 -r b94e330c98ac AppRTCSettings.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/AppRTCSettings.cpp Fri Mar 20 13:36:44 2015 +0000 @@ -0,0 +1,430 @@ +/* + * Copyright 2014 Embedded Artists AB + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + + +#include "mbed.h" +#include "AppRTCSettings.h" +#include "lpc_swim_font.h" + +/****************************************************************************** + * Defines and typedefs + *****************************************************************************/ + +#define BTN_OFF 20 + +/****************************************************************************** + * Private variables + *****************************************************************************/ + +// Ugly but needed for callbacks +static AppRTCSettings* theApp = NULL; + +/****************************************************************************** + * Private functions + *****************************************************************************/ + +static void buttonClicked(uint32_t x) +{ + bool* done = (bool*)x; + *done = true; +} + +static void fieldClicked(uint32_t x) +{ + if (theApp != NULL) { + theApp->setActiveField(x); + } +} + +static void increaseValue(uint32_t x) +{ + AppRTCSettings* app = (AppRTCSettings*)x; + app->modifyValue(1); +} + +static void decreaseValue(uint32_t x) +{ + AppRTCSettings* app = (AppRTCSettings*)x; + app->modifyValue(-1); +} + +static void nextField(uint32_t x) +{ + AppRTCSettings* app = (AppRTCSettings*)x; + app->changeActiveField(true); +} + +static void prevField(uint32_t x) +{ + AppRTCSettings* app = (AppRTCSettings*)x; + app->changeActiveField(false); +} + +void AppRTCSettings::draw() +{ + // Prepare fullscreen + swim_window_open(_win, + _disp->width(), _disp->height(), // full size + (COLOR_T*)_fb, + 0,0,_disp->width()-1, _disp->height()-1, // window position and size + 1, // border + GREEN,WHITE,BLACK);/*WHITE, RED, BLACK);*/ // colors: pen, backgr, forgr + swim_set_pen_color(_win, BLACK); + swim_set_title(_win, "Real Time Clock Settings", GREEN); + swim_set_pen_color(_win, BLACK); + + ImageButton* ib; + + Resource* rOk = _res[Resource_Ok_button]; + Resource* rCancel = _res[Resource_Cancel_button]; + ib = new ImageButton(_win->fb, _win->xpmax - 2*BTN_OFF - rCancel->width() -rOk->width(), _win->ypmax - BTN_OFF - rOk->height(), rOk->width(), rOk->height()); + ib->loadImages(rOk); + ib->draw(); + _buttons[ButtonOk] = ib; + ib = new ImageButton(_win->fb, _win->xpmax - BTN_OFF - rCancel->width(), _win->ypmax - BTN_OFF - rCancel->height(), rCancel->width(), rCancel->height()); + ib->loadImages(rCancel); + ib->draw(); + _buttons[ButtonCancel] = ib; + + int arrowW = _res[Resource_ArrowUp_button]->width(); + int arrowH = _res[Resource_ArrowUp_button]->height(); + ib = new ImageButton(_win->fb, 300, 40, arrowW, arrowH); + ib->loadImages( _res[Resource_ArrowUp_button]); + ib->setAction(increaseValue, (uint32_t)this); + ib->draw(); + _buttons[ButtonUp] = ib; + ib = new ImageButton(_win->fb, 300, 40+arrowH+arrowH, arrowW, arrowH); + ib->loadImages( _res[Resource_ArrowDown_button]); + ib->setAction(decreaseValue, (uint32_t)this); + ib->draw(); + _buttons[ButtonDown] = ib; + ib = new ImageButton(_win->fb, 300-arrowW/2-10, 40+arrowH, arrowW, arrowH); + ib->loadImages(_res[Resource_ArrowLeft_button]); + ib->setAction(prevField, (uint32_t)this); + ib->draw(); + _buttons[ButtonLeft] = ib; + ib = new ImageButton(_win->fb, 300+arrowW/2+10, 40+arrowH, arrowW, arrowH); + ib->loadImages(_res[Resource_ArrowRight_button]); + ib->setAction(nextField, (uint32_t)this); + ib->draw(); + _buttons[ButtonRight] = ib; + + // To avoid having each DigitButton deallocate the shared image + void* pointerToFree = _digitImage.pointerToFree; + _digitImage.pointerToFree = NULL; + + addDateFields(0, 20); + addTimeFields(0, 20+65); + + // Restore shared image so that it will be deallocated during teardown + _digitImage.pointerToFree = pointerToFree; + + for (int i = 0; i < NumButtons; i++) { + _buttons[i]->draw(); + } + + markField(_activeField, true); +} + +void AppRTCSettings::addDateFields(int xoff, int yoff) +{ + DigitButton* db; + + int fontY = yoff; + int y = fontY + swim_get_font_height(_win) + 2; + int btny = y-7; + y += _win->ypvmin; // compensate for title bar + int x = xoff+20; + int idx = ButtonYear; + int btnw; + + swim_put_text_xy(_win, "Year", x, fontY); + btnw = 65; + db = new DigitButton(_win->fb, x, y, btnw, 34); + db->loadImages(&_digitImage); + db->setNumDigits(4); + db->setValue(_values[idx]); + db->setAction(fieldClicked, idx); + _buttons[idx++] = db; + + x += btnw + 20; + btnw = 45; + swim_put_text_xy(_win, "Month", x, fontY); + db = new DigitButton(_win->fb, x, y, btnw, 34); + db->loadImages(&_digitImage); + db->setNumDigits(2); + db->setValue(_values[idx]); + db->setAction(fieldClicked, idx); + _buttons[idx++] = db; + swim_put_box(_win, x-13, btny+20, x-2, btny+23); + + x += btnw + 10; + swim_put_text_xy(_win, "Day", x, fontY); + db = new DigitButton(_win->fb, x, y, btnw, 34); + db->loadImages(&_digitImage); + db->setNumDigits(2); + db->setValue(_values[idx]); + db->setAction(fieldClicked, idx); + _buttons[idx++] = db; + swim_put_box(_win, x-13, btny+20, x-2, btny+23); +} + +void AppRTCSettings::addTimeFields(int xoff, int yoff) +{ + DigitButton* db; + + int fontY = yoff; + int y = fontY + swim_get_font_height(_win) + 2; + int btny = y-7; + y += _win->ypvmin; // compensate for title bar + int x = xoff+20; + int idx = ButtonHour; + int btnw = 45; + + swim_put_text_xy(_win, "Hour", x, fontY); + db = new DigitButton(_win->fb, x, y, btnw, 34); + db->loadImages(&_digitImage); + db->setNumDigits(2); + db->setValue(_values[idx]); + db->setAction(fieldClicked, idx); + _buttons[idx++] = db; + + x += btnw + 10; + swim_put_text_xy(_win, "Minutes", x, fontY); + db = new DigitButton(_win->fb, x, y, btnw, 34); + db->loadImages(&_digitImage); + db->setNumDigits(2); + db->setValue(_values[idx]); + db->setAction(fieldClicked, idx); + _buttons[idx++] = db; + swim_put_box(_win, x-13, btny+22, x-2, btny+25); + + x += btnw + 10; + swim_put_text_xy(_win, "Seconds", x, fontY); + db = new DigitButton(_win->fb, x, y, btnw, 34); + db->loadImages(&_digitImage); + db->setNumDigits(2); + db->setValue(_values[idx]); + db->setAction(fieldClicked, idx); + _buttons[idx++] = db; + swim_put_box(_win, x-13, btny+22, x-2, btny+25); +} + +void AppRTCSettings::markField(int field, bool active) +{ + COLOR_T oldPen = _win->pen; + COLOR_T oldFill = _win->fill; + _win->fill = active ? BLACK : _win->bkg; + _win->pen = active ? BLACK : _win->bkg; + if (field >= 0 && field < NumFields) { + int x0, y0, x1, y1; + _buttons[field]->bounds(x0,y0,x1,y1); + y1 -= _win->ypvmin+1; + x0--; + swim_put_box(_win, x0, y1, x1, y1+3); + } + _win->fill = oldFill; + _win->pen = oldPen; +} + +/****************************************************************************** + * Public functions + *****************************************************************************/ + +AppRTCSettings::AppRTCSettings() : _disp(NULL), _win(NULL), _fb(NULL), _activeField(0) +{ + for (int i = 0; i < NumButtons; i++) { + _buttons[i] = NULL; + } + for (int i = 0; i < NumResources; i++) { + _res[i] = NULL; + } + time_t rawtime; + struct tm * timeinfo; + + time (&rawtime); + timeinfo = localtime (&rawtime); + + _values[ButtonYear] = timeinfo->tm_year + 1900; + _values[ButtonMonth] = timeinfo->tm_mon + 1; + _values[ButtonDay] = timeinfo->tm_mday; + _values[ButtonHour] = timeinfo->tm_hour; + _values[ButtonMinute] = timeinfo->tm_min; + _values[ButtonSecond] = timeinfo->tm_sec; + + _digitImage.pointerToFree = NULL; + + theApp = this; +} + +AppRTCSettings::~AppRTCSettings() +{ + theApp = NULL; + teardown(); +} + +bool AppRTCSettings::setup() +{ + _disp = DMBoard::instance().display(); + _win = (SWIM_WINDOW_T*)malloc(sizeof(SWIM_WINDOW_T)); + _fb = _disp->allocateFramebuffer(); + int res = Image::decode(_res[Resource_Digits], Image::RES_16BIT, &_digitImage); + + return (_win != NULL && _fb != NULL && res == 0); +} + +void AppRTCSettings::runToCompletion() +{ + // Alternative 1: use the calling thread's context to run in + bool done = false; + bool abort = false; + draw(); + _buttons[ButtonOk]->setAction(buttonClicked, (uint32_t)&done); + _buttons[ButtonCancel]->setAction(buttonClicked, (uint32_t)&abort); + void* oldFB = _disp->swapFramebuffer(_fb); + + // Wait for touches + TouchPanel* touch = DMBoard::instance().touchPanel(); + touch_coordinate_t coord; + + int lastPressed = NumButtons; + Timer t; + t.start(); + int repeatAt; + + uint32_t maxDelay = osWaitForever; + while(!done && !abort) { + Thread::signal_wait(0x1, maxDelay); + if (touch->read(coord) == TouchPanel::TouchError_Ok) { + for (int i = 0; i < NumButtons; i++) { + if (_buttons[i]->handle(coord.x, coord.y, coord.z > 0)) { + _buttons[i]->draw(); + if (_buttons[i]->pressed()) { + lastPressed = i; // new button pressed + t.reset(); + repeatAt = 1000; + } + } + } + if (lastPressed == ButtonUp || lastPressed == ButtonDown) { + maxDelay = 10; + if (_buttons[lastPressed]->pressed() && t.read_ms() > repeatAt) { + modifyValue((lastPressed == ButtonUp) ? 1 : -1); + repeatAt = t.read_ms()+(200/(t.read_ms()/1000)); + } + } else { + maxDelay = osWaitForever; + } + } + } + + if (!abort) { + RtosLog* log = DMBoard::instance().logger(); + log->printf("New time: %04d-%02d-%02d %02d:%02d:%02d\n", _values[0], _values[1], + _values[2], _values[3], _values[4], _values[5]); + tm t; + t.tm_year = _values[ButtonYear] - 1900; // years since 1900 + t.tm_mon = _values[ButtonMonth] - 1; // month is 0..11 + t.tm_mday = _values[ButtonDay]; + t.tm_hour = _values[ButtonHour]; + t.tm_min = _values[ButtonMinute]; + t.tm_sec = _values[ButtonSecond]; + set_time(mktime(&t)); + } + + // User has clicked the button, restore the original FB + _disp->swapFramebuffer(oldFB); + swim_window_close(_win); +} + +bool AppRTCSettings::teardown() +{ + if (_win != NULL) { + free(_win); + _win = NULL; + } + if (_fb != NULL) { + free(_fb); + _fb = NULL; + } + for (int i = 0; i < NumButtons; i++) { + if (_buttons[i] != NULL) { + delete _buttons[i]; + _buttons[i] = NULL; + } + } + if (_digitImage.pointerToFree != NULL) { + free(_digitImage.pointerToFree); + _digitImage.pointerToFree = NULL; + } + return true; +} + +void AppRTCSettings::modifyValue(int mod) +{ + uint32_t v = _values[_activeField]; + switch (_activeField) { + case ButtonYear: + // 1970..2100 + _values[_activeField] = (((v - 1970 + (2100-1970)) + mod) % (2100-1970)) + 1970; + break; + case ButtonMonth: + // 1..12 + _values[_activeField] = (((v - 1 + 12) + mod) % 12) + 1; + break; + case ButtonDay: + // 1..31 + _values[_activeField] = (((v - 1 + 31) + mod) % 31) + 1; + break; + case ButtonHour: + // 0..23 + _values[_activeField] = (v + 24 + mod) % 24; + break; + case ButtonMinute: + case ButtonSecond: + // 0..59 + _values[_activeField] = (v + 60 + mod) % 60; + break; + } + ((DigitButton*)_buttons[_activeField])->setValue(_values[_activeField]); +} + +void AppRTCSettings::changeActiveField(bool next) +{ + markField(_activeField, false); + if (next) { + _activeField = (_activeField+1) % NumFields; + } else { + _activeField = (_activeField+NumFields-1) % NumFields; + } + markField(_activeField, true); +} + +void AppRTCSettings::setActiveField(uint32_t newField) +{ + if (_activeField != newField && newField < NumFields) { + markField(_activeField, false); + _activeField = newField; + markField(_activeField, true); + } +} + +void AppRTCSettings::addResource(Resources id, Resource* res) +{ + _res[id] = res; +} + +