Add support for Waveshare 1.54" ePaper

BREAKING CHANGE: The display type id for the Waveshare 1.54" ePaper changed from 5 to 6.

Co-authored-by: dAjaY85 <[email protected]>

Author: mtavenrath

docs/DeviceProfiles/opendtu_fusion.json

@@ -186,5 +186,47 @@
             "data": 2,
             "clk": 1
         }
+    },
+    {
+        "name": "OpenDTU Fusion v2 with CMT2300A, NRF24 and ePaper Display",
+        "nrf24": {
+            "miso": 48,
+            "mosi": 35,
+            "clk": 36,
+            "irq": 47,
+            "en": 38,
+            "cs": 37
+        },
+        "cmt": {
+            "clk": 6,
+            "cs": 4,
+            "fcs": 21,
+            "sdio": 5,
+            "gpio2": 3,
+            "gpio3": 8
+        },
+        "eth": {
+            "enabled": false,
+            "phy_addr": -1,
+            "power": -1,
+            "mdc": -1,
+            "mdio": -1,
+            "type": 0,
+            "clk_mode": 0
+        },
+        "led": {
+            "led0": 17,
+            "led1": 18
+        },
+        "display": {
+            "type": 6,
+            "data": 9,
+            "clk": 10,
+			"cs": 11,
+			"reset": 13,
+			"busy": 14,
+			"dc": 12
+        }
+	
     }
 ]

include/Configuration.h

@@ -144,6 +144,7 @@ struct CONFIG_T {
         uint8_t Rotation;
         uint8_t Contrast;
         uint8_t Language;
+        uint16_t UpdatePeriod;
         struct {
             uint32_t Duration;
             uint8_t Mode;

include/Datastore.h

@@ -57,6 +57,9 @@ class DatastoreClass {
     // True if all enabled inverters are reachable
     bool getIsAllEnabledReachable();
 
+    // Sum of all Producing Inverters
+    uint8_t getTotalProducing();
+
 private:
     void loop();
 
@@ -80,6 +83,7 @@ class DatastoreClass {
     bool _isAllEnabledProducing = false;
     bool _isAllEnabledReachable = false;
     bool _isAtLeastOnePollEnabled = false;
+    uint8_t _isProducing = false;
 };
 
 extern DatastoreClass Datastore;

include/Display.h

@@ -0,0 +1,50 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+#pragma once
+
+#include "defaults.h"
+#include <Arduino.h>
+#include <TaskSchedulerDeclarations.h>
+
+enum DisplayType_t {
+    None,
+    PCD8544,
+    SSD1306,
+    SH1106,
+    SSD1309,
+    ST7567_GM12864I_59N,
+    ePaper154,
+    DisplayType_Max,
+};
+
+enum DiagramMode_t {
+    Off,
+    Small,
+    Fullscreen,
+    DisplayMode_Max,
+};
+
+class DisplayClass {
+public:
+    void init(Scheduler& scheduler, DisplayType_t _type, uint8_t _data, uint8_t _clk, uint8_t _cs, uint8_t _reset, uint8_t _busy, uint8_t _dc);
+
+    void setContrast(uint8_t contrast);
+    void setStatus(bool turnOn);
+    void setOrientation(uint8_t rotation = DISPLAY_ROTATION);
+    void setLanguage(uint8_t language);
+    void setUpdatePeriod(uint16_t updatePeriod);
+    void setEnablePowerSafe(bool display_PowerSafe);
+    void setEnableScreensaver(bool display_ScreenSaver);
+    void setDiagramMode(DiagramMode_t mode);
+    void setStartupDisplay();
+    void DiagramUpdatePeriod();
+
+private:
+    bool _displayTurnedOn;
+
+    DisplayType_t _display_type = DisplayType_t::None;
+    uint32_t _lastDisplayUpdate = 0;
+    uint16_t _counterEPaper;
+    uint16_t _settedUpdatePeriod = 10000; // Achtung, max 65535
+};
+
+extern DisplayClass Display;

include/Display_Graphic.h

@@ -1,6 +1,7 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 #pragma once
 
+#include "Display.h"
 #include "Display_Graphic_Diagram.h"
 #include "defaults.h"
 #include <TaskSchedulerDeclarations.h>
@@ -14,23 +15,6 @@
 #define CHART_POSX 80
 #define CHART_POSY 0
 
-enum DisplayType_t {
-    None,
-    PCD8544,
-    SSD1306,
-    SH1106,
-    SSD1309,
-    ST7567_GM12864I_59N,
-    DisplayType_Max,
-};
-
-enum DiagramMode_t {
-    Off,
-    Small,
-    Fullscreen,
-    DisplayMode_Max,
-};
-
 class DisplayGraphicClass {
 public:
     DisplayGraphicClass();
@@ -75,4 +59,4 @@ class DisplayGraphicClass {
     uint8_t _lineOffsets[5];
 };
 
-extern DisplayGraphicClass Display;
+extern DisplayGraphicClass DisplayGraphic;

include/Display_ePaper.h

@@ -0,0 +1,58 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+#pragma once
+
+/// uncomment next line to use class GFX of library GFX_Root instead of Adafruit_GFX, to use less code and ram
+// #include <GFX.h>
+// base class GxEPD2_GFX can be used to pass references or pointers to the display instance as parameter, uses ~1.2k more code
+// enable GxEPD2_GFX base class
+#define ENABLE_GxEPD2_GFX 1
+
+#include "Display.h"
+#include <GxEPD2_3C.h>
+#include <GxEPD2_BW.h>
+#include <SPI.h>
+#include <map>
+
+// FreeFonts from Adafruit_GFX
+#include <Fonts/FreeSans12pt7b.h>
+#include <Fonts/FreeSans18pt7b.h>
+#include <Fonts/FreeSans24pt7b.h>
+#include <Fonts/FreeSans9pt7b.h>
+
+#include "defaults.h"
+#include "imagedata.h"
+
+// GDEW027C44   2.7 " b/w/r 176x264, IL91874
+// GDEH0154D67  1.54" b/w   200x200
+
+class DisplayEPaperClass {
+public:
+    DisplayEPaperClass();
+    ~DisplayEPaperClass();
+
+    void init(Scheduler& scheduler, DisplayType_t type, uint8_t _CS, uint8_t _DC, uint8_t _RST, uint8_t _BUSY, uint8_t _SCK, uint8_t _MOSI);
+    void loop();
+    void fullRefresh();
+    void setOrientation(uint8_t rotation);
+    void setLanguage(uint8_t language);
+
+private:
+    void headlineIP();
+    void actualPowerPaged(float _totalPower, float _totalYieldDay, float _totalYieldTotal, uint8_t _isprod);
+    void lastUpdatePaged();
+
+    Task _loopTask;
+
+    const uint16_t _period = 10000;
+    uint16_t _counterEPaper;
+
+    bool _changed = false;
+    char _fmtText[35];
+    String _settedIP;
+    uint8_t _headfootline = 16;
+    uint8_t _displayRotation = DISPLAY_ROTATION;
+    uint8_t _display_language = DISPLAY_LANGUAGE;
+    GxEPD2_GFX* _display;
+};
+
+extern DisplayEPaperClass DisplayEPaper;

include/PinMapping.h

@@ -38,6 +38,8 @@ struct PinMapping_t {
     uint8_t display_clk;
     uint8_t display_cs;
     uint8_t display_reset;
+    uint8_t display_busy; // for epaper
+    uint8_t display_dc;   // for epaper
     int8_t led[PINMAPPING_LED_COUNT];
 };
 

include/defaults.h

@@ -99,6 +99,8 @@
 #define DISPLAY_ROTATION 2U
 #define DISPLAY_CONTRAST 60U
 #define DISPLAY_LANGUAGE 0U
+#define DISPLAY_UPDATE 10000 // epaper
+
 #define DISPLAY_DIAGRAM_DURATION (10UL * 60UL * 60UL)
 #define DISPLAY_DIAGRAM_MODE 1U
 

include/imagedata.h

@@ -0,0 +1,12 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+#pragma once
+
+extern const unsigned char AhoyLogo[];
+extern const unsigned char OpenDTULogo[];
+extern const unsigned char myHoy[];
+extern const unsigned char mySigma[];
+extern const unsigned char mySun[];
+extern const unsigned char myToday[];
+extern const unsigned char myWR[];
+
+extern const unsigned char gImage_1in54[];