Merge pull request #5 from todd-herbert/wireless-paper-v1.1

Changes to Wireless Paper V1.0 and V1.1
meshtastic · Mar 4, 2024 · 378318c · 378318c
2 parents 4ddb4dc + cd0ba04
commit 378318c
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Showing 5 changed files with 267 additions and 384 deletions.
diff --git a/src/GxEPD2.h b/src/GxEPD2.h
@@ -44,8 +44,8 @@ class GxEPD2
       GDEH0213B72,  Waveshare_2_13_bw_B72 = GDEH0213B72,
       GDEH0213B73,  Waveshare_2_13_bw_B73 = GDEH0213B73,
       GDEM0213B74,  Waveshare_2_13_bw_B74 = GDEM0213B74,
-      DEPG0213BN,   // Heltec Wireless Paper v1.0, backported from GxEPD v1.5.5
-      GDEM0213FC1,
+      DEPG0213BN,       // Heltec Wireless Paper v1.0, backported from GxEPD v1.5.5
+      LCMEN2R13EFC1,    // Heltec Wireless Paper v1.1, custom
       GDEW0213I5F, Waveshare_2_13_flex = GDEW0213I5F,
       GDEW0213M21,
       GDEW0213T5D,

diff --git a/src/epd/GxEPD2_213_BN.cpp b/src/epd/GxEPD2_213_BN.cpp
@@ -351,13 +351,9 @@ void GxEPD2_213_BN::_InitDisplay()
   _writeData(0x00);
   _writeCommand(0x11); //data entry mode
   _writeData(0x03);
-  _writeCommand(0x3C); //BorderWavefrom
-  _writeData(0x05);
   _writeCommand(0x21); //  Display update control
   _writeData(0x00);
   _writeData(0x80);
-  _writeCommand(0x18); //Read built-in temperature sensor
-  _writeData(0x80);
   _setPartialRamArea(0, 0, WIDTH, HEIGHT);
   _using_partial_mode = false;
   _init_display_done = true;
@@ -385,16 +381,32 @@ const unsigned char GxEPD2_213_BN::lut_partial[] PROGMEM =
   0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x0, 0x0, 0x0,
 };
 
+void GxEPD2_213_BN::_Init_Full()
+{
+  _InitDisplay();
+  _writeCommand(0x3C);  // Border Waveform
+  _writeData(0x05);
+  _writeCommand(0x18); //Read built-in temperature sensor
+  _writeData(0x80);
+  _using_partial_mode = false;
+}
+
+
 void GxEPD2_213_BN::_Init_Part()
 {
+  _InitDisplay();
+  _writeCommand(0x3C);  // Border Waveform
+  _writeData(0xC0);     // Floating (less noise-accumulation?)
+  _writeCommand(0x18); //Read built-in temperature sensor
+  _writeData(0x80);
   _writeCommand(0x32);
   _writeDataPGM(lut_partial, sizeof(lut_partial));
   _using_partial_mode = true;
 }
 
 void GxEPD2_213_BN::_Update_Full()
 {
-  _using_partial_mode = false;
+  if (_using_partial_mode) _Init_Full();
   _PowerOn();
   _writeCommand(0x22);
   _writeData(0xf4);

diff --git a/src/epd/GxEPD2_213_BN.h b/src/epd/GxEPD2_213_BN.h
@@ -35,7 +35,7 @@ class GxEPD2_213_BN : public GxEPD2_EPD
     static const bool hasFastPartialUpdate = true;
     static const uint16_t power_on_time = 100; // ms, e.g. 95868us
     static const uint16_t power_off_time = 250; // ms, e.g. 140350us
-    static const uint16_t full_refresh_time = 8100; // ms, e.g. 4011934us
+    static const uint16_t full_refresh_time = 4100; // ms, e.g. 4011934us
     static const uint16_t partial_refresh_time = 750; // ms, e.g. 736721us
     // constructor
     GxEPD2_213_BN(int16_t cs, int16_t dc, int16_t rst, int16_t busy, SPIClass &spi);