From 09329824c65e9c484f054767f761aac89a225d07 Mon Sep 17 00:00:00 2001
From: Hendrik Langer <hendrik+dev@xd0.de>
Date: Sat, 20 Jul 2019 19:11:12 +0200
Subject: [PATCH] e-paper display working

---
 platformio.ini |  7 +++++--
 src/main.cpp   | 28 +++++++++++++++++++++++-----
 2 files changed, 28 insertions(+), 7 deletions(-)

diff --git a/platformio.ini b/platformio.ini
index 9bd14ea..0e2086b 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -15,8 +15,9 @@ framework = arduino
 board = lolin_d32_pro
 
 build_flags =
-    -DLOG_DEFAULT_LEVEL=ESP_LOG_DEBUG
-#    -DLOG_LOCAL_LEVEL=ESP_LOG_DEBUG
+    -DLOG_DEFAULT_LEVEL=ESP_LOG_VERBOSE
+    -DLOG_LOCAL_LEVEL=ESP_LOG_VERBOSE
+    -DCORE_DEBUG_LEVEL=ARDUHAL_LOG_LEVEL_VERBOSE
     -DBOARD_HAS_PSRAM
     -mfix-esp32-psram-cache-issue
     -DWIFI_SSID="\"${sysenv.WIFI_SSID}\""
@@ -29,12 +30,14 @@ build_flags =
 
 lib_deps =
     GxEPD2
+;    https://github.com/wemos/LOLIN_EPD_Library
     Adafruit GFX Library
     Adafruit BME680 Library
     Adafruit Unified Sensor
 ;    ArduinoJSON
 
 monitor_speed = 115200
+upload_speed = 115200
 
 extra_scripts =
     pre:script/autoversioning.py
diff --git a/src/main.cpp b/src/main.cpp
index 53e08ef..16b92ea 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -14,6 +14,7 @@
 #include <GxEPD2_BW.h>
 #include <Fonts/FreeMonoBold9pt7b.h>
 #include "bitmaps/Bitmaps128x250.h"
+#include <Adafruit_GFX.h>
 
 #include <Adafruit_Sensor.h>
 #include "Adafruit_BME680.h"
@@ -24,11 +25,12 @@
 static const char* TAG = "MAIN";
 
 WiFiMulti wifiMulti;
-GxEPD2_BW<GxEPD2_213_B72, GxEPD2_213_B72::HEIGHT> display(GxEPD2_213_B72(/*CS=TFT_CS*/ SS, /*DC=*/ TFT_DC, /*RST=*/ TFT_RST, /*BUSY=*/ -1)); // GDEH0213B72
+GxEPD2_BW<GxEPD2_213_B72, GxEPD2_213_B72::HEIGHT> display(GxEPD2_213_B72(/*CS=SS*/ TFT_CS, /*DC=*/ TFT_DC, /*RST=*/ TFT_RST, /*BUSY=*/ -1)); // GDEH0213B72
 Adafruit_BME680 bme; // I2C (also available: hardware SPI
 
 XD0MQTT mqtt;
 
+
 void helloWorld()
 {
   const char HelloWorld[] = "Hello World!";
@@ -53,6 +55,7 @@ void helloWorld()
   //Serial.println("helloWorld done");
 }
 
+
 void setup()
 {
   Serial.begin(115200);
@@ -60,21 +63,32 @@ void setup()
   // initialize LED digital pin as an output.
   pinMode(LED_BUILTIN, OUTPUT);
 
+  Serial.println("setup");
+
+  // initialize e-paper display
+  SPI.begin(18, 19, 23, TFT_CS);
+  delay(200); // todo
   display.init(115200);
+
+  Serial.println("display init done"); Serial.flush();
+
+  display.clearScreen();
+  display.refresh();
+
   helloWorld();
   display.powerOff();
 
   if (!bme.begin()) {
     ESP_LOGE(TAG, "Could not find a valid BME680 sensor, check wiring!");
   }
-
+/*
   // Set up oversampling and filter initialization
   bme.setTemperatureOversampling(BME680_OS_8X);
   bme.setHumidityOversampling(BME680_OS_2X);
   bme.setPressureOversampling(BME680_OS_4X);
   bme.setIIRFilterSize(BME680_FILTER_SIZE_3);
   bme.setGasHeater(320, 150); // 320*C for 150 ms
-
+*/
   wifiMulti.addAP(WIFI_SSID, WIFI_PASSWD);
   wifiMulti.addAP(WIFI_SSID2, WIFI_PASSWD2);
 
@@ -85,15 +99,18 @@ void setup()
     Serial.println("IP address: ");
     Serial.println(WiFi.localIP());
   }
-
+/*
   XD0OTA ota("esp32-weatherstation");
   ota.update();
 
   mqtt.begin();
+*/
 }
 
 void loop()
 {
+  Serial.println("loop");
+/*
   unsigned long endTime = bme.beginReading();
   if (! bme.performReading()) {
     ESP_LOGE(TAG, "BME680: Failed to perform reading :(");
@@ -111,11 +128,12 @@ void loop()
 
   Serial.print("Gas = "); Serial.print(bme.gas_resistance / 1000.0); Serial.println(" KOhms");
   display.print("Gas: "); display.print(bme.gas_resistance / 1000.0); display.println(" KOhms");
+*/
 
   if(wifiMulti.run() != WL_CONNECTED) {
     Serial.println("WiFi not connected!");
     delay(1000);
   }
 
-  delay(1000);
+  delay(2000);
 }