Encapsulate the drawing of the screen into Screens classes.

src/CMakeLists.txt

@@ -31,8 +31,11 @@ list(APPEND SOURCE_FILES
   Logging/NrfLogger.cpp
   BlinkApp/BlinkApp.cpp
   DisplayApp/DisplayApp.cpp
-  DisplayApp/lcdfont70.c
-  DisplayApp/lcdfont14.c
+  DisplayApp/Fonts/lcdfont70.c
+  DisplayApp/Fonts/lcdfont14.c
+  DisplayApp/Screens/Screen.cpp
+  DisplayApp/Screens/Clock.cpp
+  DisplayApp/Screens/Message.cpp
   main.cpp
   drivers/St7789.cpp
   drivers/SpiMaster.cpp
@@ -52,8 +55,11 @@ set(INCLUDE_FILES
   Logging/NrfLogger.h
   BlinkApp/BlinkApp.h
   DisplayApp/DisplayApp.h
-  DisplayApp/lcdfont70.h
-  DisplayApp/lcdfont14.h
+  DisplayApp/Fonts/lcdfont70.h
+  DisplayApp/Fonts/lcdfont14.h
+  DisplayApp/Screens/Screen.h
+  DisplayApp/Screens/Clock.h
+  DisplayApp/Screens/Message.h
   drivers/St7789.h
   drivers/SpiMaster.h
   Components/Gfx/Gfx.h

src/Components/DateTime/DateTimeController.h

@@ -19,6 +19,8 @@ namespace Pinetime {
         uint8_t Hours() const { return hour; }
         uint8_t Minutes() const { return minute; }
         uint8_t Seconds() const { return second; }
+
+        std::chrono::time_point<std::chrono::system_clock, std::chrono::milliseconds> CurrentDateTime() const { return currentDateTime; }
       private:
         uint16_t year = 0;
         Months month = Months::Unknown;

src/Components/Gfx/Gfx.cpp

@@ -4,6 +4,9 @@
 using namespace Pinetime::Components;
 
 Gfx::Gfx(Pinetime::Drivers::St7789 &lcd) : lcd{lcd} {
+}
+
+void Gfx::Init() {
   lcd.Init();
 }
 

src/Components/Gfx/Gfx.h

@@ -11,6 +11,7 @@ namespace Pinetime {
     class Gfx {
       public:
         explicit Gfx(Drivers::St7789& lcd);
+        void Init();
         void ClearScreen();
         void DrawString(uint8_t x, uint8_t y, uint16_t color, const char* text, const FONT_INFO *p_font, bool wrap);
         void DrawChar(const FONT_INFO *font, uint8_t c, uint8_t *x, uint8_t y, uint16_t color);

src/DisplayApp/DisplayApp.cpp

@@ -11,45 +11,22 @@
 #include <drivers/Cst816s.h>
 #include <chrono>
 #include <string>
-#include <date/date.h>
-#include "../Version.h"
 
 using namespace Pinetime::Applications;
 
-char const *DisplayApp::DaysString[] = {
-        "",
-        "MONDAY",
-        "TUESDAY",
-        "WEDNESDAY",
-        "THURSDAY",
-        "FRIDAY",
-        "SATURDAY",
-        "SUNDAY"
-};
-
-char const *DisplayApp::MonthsString[] = {
-        "",
-        "JAN",
-        "FEB",
-        "MAR",
-        "APR",
-        "MAY",
-        "JUN",
-        "JUL",
-        "AUG",
-        "SEP",
-        "OCT",
-        "NOV",
-        "DEC"
-};
-
 DisplayApp::DisplayApp(Controllers::Battery &batteryController,
                        Controllers::Ble &bleController,
                        Controllers::DateTime &dateTimeController) :
+        spi{},
+        lcd{new Drivers::St7789(spi, 18)},
+        gfx{new Components::Gfx(*lcd.get()) },
         batteryController{batteryController},
         bleController{bleController},
-        dateTimeController{dateTimeController} {
+        dateTimeController{dateTimeController},
+        clockScreen{*(gfx.get())}/*,
+        messageScreen{*(gfx.get())}*/ {
   msgQueue = xQueueCreate(queueSize, itemSize);
+  currentScreen = &clockScreen;
 }
 
 void DisplayApp::Start() {
@@ -83,38 +60,9 @@ void DisplayApp::InitHw() {
   params.pinMOSI = 3;
   params.pinSCK = 2;
   spi.Init(Drivers::SpiMaster::SpiModule::SPI0, params);
+  gfx->Init();
 
-  lcd.reset(new Drivers::St7789(spi, 18));
-  gfx.reset(new Components::Gfx(*lcd.get()));
-  gfx->ClearScreen();
-
-  uint8_t x = 7;
-  gfx->DrawChar(&largeFont, '0', &x, 78, 0xffff);
-
-  x = 61;
-  gfx->DrawChar(&largeFont, '0', &x, 78, 0xffff);
-
-  x = 94;
-  gfx->DrawChar(&largeFont, ':', &x, 78, 0xffff);
-
-  x = 127;
-  gfx->DrawChar(&largeFont, '0', &x, 78, 0xffff);
-
-  x = 181;
-  gfx->DrawChar(&largeFont, '0', &x, 78, 0xffff);
-
-  gfx->DrawString(10, 0, 0x0000, "BLE", &smallFont, false);
-  gfx->DrawString(20, 180, 0xffff, "", &smallFont, false);
-
-  char version[20];
-  sprintf(version, "VERSION: %d.%d.%d", Version::Major(), Version::Minor(), Version::Patch());
-  gfx->DrawString(20, 220, 0xffff, version, &smallFont, false);
-
-
-  currentChar[0] = 0;
-  currentChar[1] = 0;
-  currentChar[2] = 0;
-  currentChar[3] = 0;
+  currentScreen->Refresh(true);
 
   touchPanel.Init();
 }
@@ -159,10 +107,10 @@ void DisplayApp::Refresh() {
       case Messages::UpdateDateTime:
         break;
       case Messages::UpdateBleConnection:
-        bleConnectionUpdated = true;
+        clockScreen.SetBleConnectionState(bleController.IsConnected() ? Screens::Clock::BleConnectionStates::Connected : Screens::Clock::BleConnectionStates::NotConnected);
         break;
       case Messages::UpdateBatteryLevel:
-        batteryLevelUpdated = true;
+        clockScreen.SetBatteryPercentRemaining(batteryController.PercentRemaining());
         break;
       case Messages::TouchEvent:
         if(state != States::Running) break;
@@ -173,77 +121,18 @@ void DisplayApp::Refresh() {
 }
 
 void DisplayApp::RunningState() {
-  if (batteryLevelUpdated) {
-    char batteryChar[11];
-    uint16_t newBatteryValue = batteryController.PercentRemaining();
-    newBatteryValue = (newBatteryValue > 100) ? 100 : newBatteryValue;
-    newBatteryValue = (newBatteryValue < 0) ? 0 : newBatteryValue;
+  clockScreen.SetCurrentDateTime(dateTimeController.CurrentDateTime());
 
-    batteryLevelUpdated = false;
-    sprintf(batteryChar, "BAT: %d%%", newBatteryValue);
-    gfx->DrawString((240 - 108), 0, 0xffff, batteryChar, &smallFont, false);
+  if(currentScreen != nullptr) {
+    currentScreen->Refresh(false);
   }
 
-  if (bleConnectionUpdated) {
-    bleConnectionUpdated = false;
-    uint16_t color = (bleController.IsConnected()) ? 0xffff : 0x0000;
-    gfx->DrawString(10, 0, color, "BLE", &smallFont, false);
-  }
-
-  char minutesChar[3];
-  sprintf(minutesChar, "%02d", dateTimeController.Minutes());
-
-  char hoursChar[3];
-  sprintf(hoursChar, "%02d", dateTimeController.Hours());
-
-  uint8_t x = 7;
-  if (hoursChar[0] != currentChar[0]) {
-    gfx->DrawChar(&largeFont, hoursChar[0], &x, 78, 0xffff);
-    currentChar[0] = hoursChar[0];
-  }
-
-  x = 61;
-  if (hoursChar[1] != currentChar[1]) {
-    gfx->DrawChar(&largeFont, hoursChar[1], &x, 78, 0xffff);
-    currentChar[1] = hoursChar[1];
-  }
-
-  x = 127;
-  if (minutesChar[0] != currentChar[2]) {
-    gfx->DrawChar(&largeFont, minutesChar[0], &x, 78, 0xffff);
-    currentChar[2] = minutesChar[0];
-  }
-
-  x = 181;
-  if (minutesChar[1] != currentChar[3]) {
-    gfx->DrawChar(&largeFont, minutesChar[1], &x, 78, 0xffff);
-    currentChar[3] = minutesChar[1];
-  }
-
-  auto y = dateTimeController.Year();
-  auto m = dateTimeController.Month();
-  auto wd = dateTimeController.DayOfWeek();
-  auto d = dateTimeController.Day();
-
-  if ((y != currentYear) || (m != currentMonth) || (wd != currentDayOfWeek) || (d != currentDay)) {
-    gfx->FillRectangle(0,180, 240, 15, 0x0000);
-    char dateStr[22];
-    sprintf(dateStr, "%s %d %s %d", DayOfWeekToString(wd), d, MonthToString(m), y);
-    gfx->DrawString(10, 180, 0xffff, dateStr, &smallFont, false);
-
-    currentYear = y;
-    currentMonth = m;
-    currentDayOfWeek = wd;
-    currentDay = d;
-  }
-}
-
-const char *DisplayApp::MonthToString(Pinetime::Controllers::DateTime::Months month) {
-  return DisplayApp::MonthsString[static_cast<uint8_t>(month)];
-}
-
-const char *DisplayApp::DayOfWeekToString(Pinetime::Controllers::DateTime::Days dayOfWeek) {
-  return DisplayApp::DaysString[static_cast<uint8_t>(dayOfWeek)];
+//  if(screenState) {
+//    currentScreen = &clockScreen;
+//  } else {
+//    currentScreen = &messageScreen;
+//  }
+//  screenState = !screenState;
 }
 
 

src/DisplayApp/DisplayApp.h

@@ -9,10 +9,11 @@
 #include <Components/Battery/BatteryController.h>
 #include <Components/Ble/BleController.h>
 #include <Components/DateTime/DateTimeController.h>
-#include "lcdfont14.h"
+#include "Fonts/lcdfont14.h"
 #include "../drivers/Cst816s.h"
 #include <date/date.h>
-
+#include <DisplayApp/Screens/Clock.h>
+#include <DisplayApp/Screens/Message.h>
 
 extern const FONT_INFO lCD_70ptFontInfo;
 
@@ -39,15 +40,6 @@ namespace Pinetime {
         const FONT_INFO smallFont {lCD_14ptFontInfo.height, lCD_14ptFontInfo.startChar, lCD_14ptFontInfo.endChar, lCD_14ptFontInfo.spacePixels, lCD_14ptFontInfo.charInfo, lCD_14ptFontInfo.data};
         void Refresh();
 
-        static const char* MonthToString(Pinetime::Controllers::DateTime::Months month);
-        static const char* DayOfWeekToString(Pinetime::Controllers::DateTime::Days dayOfWeek);
-
-        char currentChar[4];
-        uint16_t currentYear = 1970;
-        Pinetime::Controllers::DateTime::Months currentMonth = Pinetime::Controllers::DateTime::Months::Unknown;
-        Pinetime::Controllers::DateTime::Days currentDayOfWeek = Pinetime::Controllers::DateTime::Days::Unknown;
-        uint8_t currentDay = 0;
-
         States state = States::Running;
         void RunningState();
         void IdleState();
@@ -59,14 +51,14 @@ namespace Pinetime {
         Pinetime::Controllers::Battery &batteryController;
         Pinetime::Controllers::Ble &bleController;
         Pinetime::Controllers::DateTime& dateTimeController;
-        bool bleConnectionUpdated = false;
-        bool batteryLevelUpdated = false;
-
-        static char const *DaysString[];
-        static char const *MonthsString[];
 
         Pinetime::Drivers::Cst816S touchPanel;
         void OnTouchEvent();
+
+        Screens::Clock clockScreen;
+        Screens::Screen* currentScreen = nullptr;
+//        Screens::Message messageScreen;
+//        bool screenState = false;
     };
   }
 }

src/DisplayApp/Fonts/lcdfont70.h

@@ -1,5 +1,5 @@
 // Font data for LCD 70pt
-extern const uint_8 lCD_70ptBitmaps[];
+extern const uint8_t lCD_70ptBitmaps[];
 extern const FONT_INFO lCD_70ptFontInfo;
 extern const FONT_CHAR_INFO lCD_70ptDescriptors[];
 

src/DisplayApp/Screens/Clock.cpp

@@ -0,0 +1,133 @@
+#include <cstdio>
+#include <libs/date/includes/date/date.h>
+#include <Components/DateTime/DateTimeController.h>
+#include <Version.h>
+#include "Clock.h"
+
+using namespace Pinetime::Applications::Screens;
+
+void Clock::Refresh(bool fullRefresh) {
+  if(fullRefresh) {
+    gfx.FillRectangle(0,0,240,240,0x0000);
+    currentChar[0] = 0;
+    currentChar[1] = 0;
+    currentChar[2] = 0;
+    currentChar[3] = 0;
+    auto dummy = currentDateTime.Get();
+  }
+
+  if (fullRefresh || batteryPercentRemaining.IsUpdated()) {
+    char batteryChar[11];
+    auto newBatteryValue = batteryPercentRemaining.Get();
+    newBatteryValue = (newBatteryValue > 100) ? 100 : newBatteryValue;
+    newBatteryValue = (newBatteryValue < 0) ? 0 : newBatteryValue;
+
+    sprintf(batteryChar, "BAT: %d%%", newBatteryValue);
+    gfx.DrawString((240 - 108), 0, 0xffff, batteryChar, &smallFont, false);
+  }
+
+  if (fullRefresh || bleState.IsUpdated()) {
+    uint16_t color = (bleState.Get() == BleConnectionStates::Connected) ? 0xffff : 0x0000;
+    gfx.DrawString(10, 0, color, "BLE", &smallFont, false);
+  }
+
+  if(fullRefresh || currentDateTime.IsUpdated()) {
+    auto newDateTime = currentDateTime.Get();
+
+    auto dp = date::floor<date::days>(newDateTime);
+    auto time = date::make_time(newDateTime-dp);
+    auto yearMonthDay = date::year_month_day(dp);
+
+    auto year = (int)yearMonthDay.year();
+    auto month = static_cast<Pinetime::Controllers::DateTime::Months>((unsigned)yearMonthDay.month());
+    auto day = (unsigned)yearMonthDay.day();
+    auto dayOfWeek = static_cast<Pinetime::Controllers::DateTime::Days>(date::weekday(yearMonthDay).iso_encoding());
+
+    auto hour = time.hours().count();
+    auto minute = time.minutes().count();
+    auto second = time.seconds().count();
+
+    char minutesChar[3];
+    sprintf(minutesChar, "%02d", minute);
+
+    char hoursChar[3];
+    sprintf(hoursChar, "%02d", hour);
+
+    uint8_t x = 7;
+    if (hoursChar[0] != currentChar[0]) {
+      gfx.DrawChar(&largeFont, hoursChar[0], &x, 78, 0xffff);
+      currentChar[0] = hoursChar[0];
+    }
+
+    x = 61;
+    if (hoursChar[1] != currentChar[1]) {
+      gfx.DrawChar(&largeFont, hoursChar[1], &x, 78, 0xffff);
+      currentChar[1] = hoursChar[1];
+    }
+
+    x = 127;
+    if (minutesChar[0] != currentChar[2]) {
+      gfx.DrawChar(&largeFont, minutesChar[0], &x, 78, 0xffff);
+      currentChar[2] = minutesChar[0];
+    }
+
+    x = 181;
+    if (minutesChar[1] != currentChar[3]) {
+      gfx.DrawChar(&largeFont, minutesChar[1], &x, 78, 0xffff);
+      currentChar[3] = minutesChar[1];
+    }
+
+    if ((year != currentYear) || (month != currentMonth) || (dayOfWeek != currentDayOfWeek) || (day != currentDay)) {
+      gfx.FillRectangle(0,180, 240, 15, 0x0000);
+      char dateStr[22];
+      sprintf(dateStr, "%s %d %s %d", DayOfWeekToString(dayOfWeek), day, MonthToString(month), year);
+      gfx.DrawString(10, 180, 0xffff, dateStr, &smallFont, false);
+
+      currentYear = year;
+      currentMonth = month;
+      currentDayOfWeek = dayOfWeek;
+      currentDay = day;
+    }
+  }
+
+  if(fullRefresh || version.IsUpdated()) {
+    char version[20];
+    sprintf(version, "VERSION: %d.%d.%d", Version::Major(), Version::Minor(), Version::Patch());
+    gfx.DrawString(20, 220, 0xffff, version, &smallFont, false);
+  }
+}
+
+const char *Clock::MonthToString(Pinetime::Controllers::DateTime::Months month) {
+  return Clock::MonthsString[static_cast<uint8_t>(month)];
+}
+
+const char *Clock::DayOfWeekToString(Pinetime::Controllers::DateTime::Days dayOfWeek) {
+  return Clock::DaysString[static_cast<uint8_t>(dayOfWeek)];
+}
+
+char const *Clock::DaysString[] = {
+        "",
+        "MONDAY",
+        "TUESDAY",
+        "WEDNESDAY",
+        "THURSDAY",
+        "FRIDAY",
+        "SATURDAY",
+        "SUNDAY"
+};
+
+char const *Clock::MonthsString[] = {
+        "",
+        "JAN",
+        "FEB",
+        "MAR",
+        "APR",
+        "MAY",
+        "JUN",
+        "JUL",
+        "AUG",
+        "SEP",
+        "OCT",
+        "NOV",
+        "DEC"
+};

src/DisplayApp/Screens/Clock.h

@@ -0,0 +1,65 @@
+#pragma once
+
+#include <cstdint>
+#include <chrono>
+#include <Components/Gfx/Gfx.h>
+#include "Screen.h"
+#include <bits/unique_ptr.h>
+#include "../Fonts/lcdfont14.h"
+#include "../Fonts/lcdfont70.h"
+#include "../../Version.h"
+
+namespace Pinetime {
+  namespace Applications {
+    namespace Screens {
+
+      template <class T>
+      class DirtyValue {
+        public:
+          explicit DirtyValue(T v) { value = v; }
+          explicit DirtyValue(T& v) { value = v; }
+          bool IsUpdated() const { return isUpdated; }
+          T& Get() { return value; this->isUpdated = false;}
+
+          DirtyValue& operator=(const T& other) {
+            this->value = other;
+            this->isUpdated = true;
+            return *this;
+          }
+        private:
+          T value;
+          bool isUpdated = true;
+      };
+      class Clock : public Screen{
+        public:
+          enum class BleConnectionStates{ NotConnected, Connected};
+          Clock(Components::Gfx& gfx) : Screen(gfx), currentDateTime{{}}, version {{}} {}
+          void Refresh(bool fullRefresh) override;
+
+          void SetBatteryPercentRemaining(uint8_t percent) { batteryPercentRemaining = percent; }
+          void SetBleConnectionState(BleConnectionStates state) { bleState = state; }
+          void SetCurrentDateTime(const std::chrono::time_point<std::chrono::system_clock, std::chrono::milliseconds>& tp) { currentDateTime = tp;}
+
+        private:
+          static const char* MonthToString(Pinetime::Controllers::DateTime::Months month);
+          static const char* DayOfWeekToString(Pinetime::Controllers::DateTime::Days dayOfWeek);
+          static char const *DaysString[];
+          static char const *MonthsString[];
+
+          const FONT_INFO largeFont {lCD_70ptFontInfo.height, lCD_70ptFontInfo.startChar, lCD_70ptFontInfo.endChar, lCD_70ptFontInfo.spacePixels, lCD_70ptFontInfo.charInfo, lCD_70ptFontInfo.data};
+          const FONT_INFO smallFont {lCD_14ptFontInfo.height, lCD_14ptFontInfo.startChar, lCD_14ptFontInfo.endChar, lCD_14ptFontInfo.spacePixels, lCD_14ptFontInfo.charInfo, lCD_14ptFontInfo.data};
+
+          char currentChar[4];
+          uint16_t currentYear = 1970;
+          Pinetime::Controllers::DateTime::Months currentMonth = Pinetime::Controllers::DateTime::Months::Unknown;
+          Pinetime::Controllers::DateTime::Days currentDayOfWeek = Pinetime::Controllers::DateTime::Days::Unknown;
+          uint8_t currentDay = 0;
+
+          DirtyValue<uint8_t> batteryPercentRemaining  {0};
+          DirtyValue<BleConnectionStates> bleState {BleConnectionStates::NotConnected};
+          DirtyValue<std::chrono::time_point<std::chrono::system_clock, std::chrono::milliseconds>> currentDateTime;
+          DirtyValue<Pinetime::Version> version;
+      };
+    }
+  }
+}

src/DisplayApp/Screens/Message.cpp

@@ -0,0 +1,14 @@
+#include <cstdio>
+#include <libs/date/includes/date/date.h>
+#include <Components/DateTime/DateTimeController.h>
+#include <Version.h>
+#include "Message.h"
+
+using namespace Pinetime::Applications::Screens;
+
+void Message::Refresh(bool fullRefresh) {
+  if(fullRefresh) {
+    gfx.FillRectangle(0,0,240,240,0xffff);
+    gfx.DrawString(120, 10, 0x0000, "COUCOU", &smallFont, false);
+  }
+}

src/DisplayApp/Screens/Message.h

@@ -0,0 +1,26 @@
+#pragma once
+
+#include <cstdint>
+#include <chrono>
+#include <Components/Gfx/Gfx.h>
+#include "Screen.h"
+#include <bits/unique_ptr.h>
+#include "../Fonts/lcdfont14.h"
+#include "../Fonts/lcdfont70.h"
+#include "../../Version.h"
+
+namespace Pinetime {
+  namespace Applications {
+    namespace Screens {
+      class Message : public Screen{
+        public:
+          Message(Components::Gfx& gfx) : Screen(gfx) {}
+          void Refresh(bool fullRefresh) override;
+
+        private:
+          const FONT_INFO largeFont {lCD_70ptFontInfo.height, lCD_70ptFontInfo.startChar, lCD_70ptFontInfo.endChar, lCD_70ptFontInfo.spacePixels, lCD_70ptFontInfo.charInfo, lCD_70ptFontInfo.data};
+          const FONT_INFO smallFont {lCD_14ptFontInfo.height, lCD_14ptFontInfo.startChar, lCD_14ptFontInfo.endChar, lCD_14ptFontInfo.spacePixels, lCD_14ptFontInfo.charInfo, lCD_14ptFontInfo.data};
+      };
+    }
+  }
+}

src/DisplayApp/Screens/Screen.cpp

@@ -0,0 +1,2 @@
+#include "Screen.h"
+using namespace Pinetime::Applications::Screens;

src/DisplayApp/Screens/Screen.h

@@ -0,0 +1,18 @@
+#pragma once
+
+#include <Components/Gfx/Gfx.h>
+
+namespace Pinetime {
+  namespace Applications {
+    namespace Screens {
+      class Screen {
+        public:
+          Screen(Components::Gfx& gfx) : gfx{gfx} {}
+          virtual void Refresh(bool fullRefresh) = 0;
+
+        protected:
+          Components::Gfx& gfx;
+      };
+    }
+  }
+}