2024-12-0400

Ich habe Touchscreen oder SD Card einrichten können.
Beides zusammen geht nicht.
Schade !!!!

include/mess_htu21.h

@@ -15,6 +15,8 @@ float K_HTU= -0.00;
 struct {
   char temperature[15] = {0};
   char humity[15] = {0};
+  float t = 0.0;
+  float h = 0.0;
 } htuData;
 
 void init_HTU21(){
@@ -31,29 +33,29 @@ void init_HTU21(){
     
 }
 
-float read_HTU21D() {
+void read_HTU21D() {
-    float t = htu.readTemperature();
+    htuData.t = htu.readTemperature();
-    //t = t + KorrekturTemperaturHTU;
+    //htuData.t = htuData.t + KorrekturTemperaturHTU;
-    dtostrf(t,7,1,htuData.temperature);
+    dtostrf(htuData.t,7,1,htuData.temperature);
-    float h = htu.readHumidity();
+    htuData.h  = htu.readHumidity();
-    dtostrf(h,7,1,htuData.humity);
+    dtostrf(htuData.h,7,1,htuData.humity);
     Serial.print("Temperature (HTU21D):\t");
     Serial.print(htuData.temperature);
     Serial.print(" °C\t");
     tft.drawString("Temperatur:    ", 1, x, 4);
-    tft.drawFloat(t, 1.0,190, x,4);
+    tft.drawFloat(htuData.t, 1.0,190, x,4);
     tft.drawString("o", 252, x, 1);
     tft.drawString("C", 260, x, 4);
 
-    Serial.println(t,8);
+    Serial.println(htuData.t,8);
     Serial.print("Luftfeuchtigkeit:\t");
     Serial.print(htuData.humity);
     Serial.println(" %");
     tft.drawString("Luftfeuchtigkeit: ", 1, x +=25, 4);
-    tft.drawFloat(h, 1.0,190, x, 4);
+    tft.drawFloat(htuData.h, 1.0,190, x, 4);
     tft.drawString("%", 252, x, 4);
     x = 100;
-    return t;
+    
 }
 
 void M2M_HTU21D(String deviceId = "4711") {

platformio.ini

@@ -9,7 +9,7 @@ framework = arduino
 lib_deps = 
 	bodmer/TFT_eSPI@^2.5.33
 	;nitek/XPT2046_Bitbang_Slim@^2.0.0
-    ;https://github.com/PaulStoffregen/XPT2046_Touchscreen.git#v1.4
+    https://github.com/PaulStoffregen/XPT2046_Touchscreen.git#v1.4
     adafruit/Adafruit HTU21DF Library @ 1.0.5
     ;wollewald/ADS1115_WE @ 1.4.3
     adafruit/Adafruit MCP9808 Library @ 2.0.0

src/main.cpp

@@ -4,6 +4,8 @@
 
 #include <Wire.h>
 
+#include <XPT2046_Touchscreen.h>
+
 #include <WiFi.h>
 //#include <NTPClient.h>
 //#include <WiFiUdp.h>
@@ -26,9 +28,27 @@ int x = 100;
 char sID[100];
 char ausgabe[100];
 
+// The CYD touch uses some non default
+// SPI pins
+
+#define XPT2046_IRQ 36
+#define XPT2046_MOSI 32
+#define XPT2046_MISO 39
+#define XPT2046_CLK 25
+#define XPT2046_CS 33
+
+#define SD_SCK 18
+#define SD_MISO 19
+#define SD_MOSI 23
+#define SD_CS 5
+
 TFT_eSPI tft = TFT_eSPI();
 SPIClass spi2 = SPIClass(VSPI);
 
+SPIClass mySpi = SPIClass(VSPI);
+XPT2046_Touchscreen ts(XPT2046_CS, XPT2046_IRQ);
+
+
 #include<mess_htu21.h>
 #include <mcp9808.h>
 #include <mess_BMP280.h>
@@ -200,8 +220,16 @@ void testFileIO(fs::FS &fs, const char * path) {
 }
 
 // ENDE TEST
- 
+int WiFiError = 36; 
+int Versuche;
+
 void setup() {
+  
+  //spi2.begin(XPT2046_CLK, XPT2046_MISO, XPT2046_MOSI, XPT2046_CS);
+  /* ts.begin(spi2);
+  ts.setRotation(1); */
+  mySpi.begin(SD_SCK, SD_MISO, SD_MOSI);
+
   // Start the tft display and set it to black
   tft.init();
   tft.setRotation(1); //This is the display in landscape
@@ -217,17 +245,32 @@ void setup() {
   x = 320 /2;
   y += 16;
   tft.setTextColor(TFT_RED, TFT_BLACK);
-  tft.drawCentreString("Warte auf verbindung", x, y, fontNum *= 2);printf("");
+  tft.drawCentreString("Warte auf verbindung", x, y, fontNum *= 2);
   Serial.begin(115200);
-  WiFi.reconnect();printf("");
+  WiFi.reconnect();
-  delay( 1 );
+  delay(10);
-
+  WiFi.disconnect();
-Serial.print("Connecting to ");
+  delay(10);
+  Serial.print("Connecting to ");
   Serial.println(ssid);
   WiFi.begin(ssid, password);
+  Versuche = 0;
   while (WiFi.status() != WL_CONNECTED) {
     delay(500);
     Serial.print(".");
+    Versuche += 1;
+    if(Versuche >= WiFiError){
+      Serial.println();
+      tft.fillScreen(TFT_RED);
+      tft.setTextColor(TFT_BLACK, TFT_WHITE);
+      tft.drawCentreString(" Wlan Stoerung ", 160, 110, fontNum = 4);
+      for(int a = 0; a < 20; a++){
+        tft.invertDisplay(a % 2);
+        delay(500);
+      } 
+      WiFi.disconnect();
+      ESP.restart();
+    }
   }
   // Print local IP address and start web server
   tft.fillScreen(TFT_BLACK);
@@ -235,47 +278,8 @@ Serial.print("Connecting to ");
   Serial.println("WiFi connected.");
   Serial.print("IP address: \t");
   Serial.println(WiFi.localIP());
-  tft.setTextColor(TFT_YELLOW, TFT_BLACK);
+  // SD Karte ----------------------------------------
-  tft.setTextSize(2);
+  if (!SD.begin(SS, mySpi, 80000000)) {
-  tft.println(WiFi.localIP());
-  tft.setTextSize(1);
-  delay(5000);
-// Initialize a NTPClient to get time
-  //timeClient.begin();
-  // Set offset time in seconds to adjust for your timezone, for example:
-  // GMT +1 = 3600
-  // GMT +8 = 28800
-  // GMT -1 = -3600
-  // GMT 0 = 0
-  //timeClient.setTimeOffset(3600);
-
-  configTime(0, 0, NTP_SERVER);
-  // See https://github.com/nayarsystems/posix_tz_db/blob/master/zones.csv for Timezone codes for your region
-  setenv("TZ", TZ_INFO, 1);
-
-  if (getNTPtime(10)) {  // wait up to 10sec to sync
-  } else {
-    Serial.println("Time not set");
-    delay(5000);
-    ESP.restart();
-  }
-  lastNTPtime = time(&now);
-
-
-//--------------------------------------------------------
-
-  init_HTU21();
-  init_MCP9808();
-  Init_BMP280();
-  if (F_MCP9808 == true){
-    valTemp = getTemperature_MCP9808();
-  }
-
-  x = 320 /2;
-  y += 32;
-  tft.setTextColor(TFT_BLUE, TFT_BLACK);
-
-  if (!SD.begin(SS, spi2, 80000000)) {
     Serial.println("Card Mount Failed");
     return;
   }
@@ -297,7 +301,7 @@ Serial.print("Connecting to ");
     Serial.println("UNKNOWN");
   }
   uint64_t cardSize = SD.cardSize() / (1024 * 1024);
-  Serial.printf("SD Card Size: %lluMB\n", cardSize);
+  Serial.printf("SD Card Size: %llu MB\n", cardSize);
 
   listDir(SD, "/", 0);
   /* createDir(SD, "/mydir");
@@ -305,29 +309,128 @@ Serial.print("Connecting to ");
   removeDir(SD, "/mydir");
   listDir(SD, "/", 2);
   testFileIO(SD, "/hello.txt");
-  deleteFile(SD, "/hello.txt");  */
+  deleteFile(SD, "/hello.txt"); */
+  // ---------------------------------End SD Karte -------------------
+  tft.setTextColor(TFT_YELLOW, TFT_BLACK);
+  tft.setTextSize(2);
+  tft.println(WiFi.localIP());
+  tft.setTextSize(1);
+  delay(5000);
+// Initialize a NTPClient to get time
+  configTime(0, 0, NTP_SERVER);
+  // See https://github.com/nayarsystems/posix_tz_db/blob/master/zones.csv for Timezone codes for your region
+  setenv("TZ", TZ_INFO, 1);
 
+  if (getNTPtime(10)) {  // wait up to 10sec to sync
+  } else {
+    Serial.println("Time not set");
+    tft.fillScreen(TFT_RED);
+      tft.setTextColor(TFT_BLACK, TFT_WHITE);
+      tft.drawCentreString(" Stoerung NTP Server ", 160, 110, fontNum = 4);
+      for(int a = 0; a < 20; a++){
+        tft.invertDisplay(a % 2);
+        delay(500);
+      } 
+    WiFi.disconnect();
+    ESP.restart();
+  }
+  lastNTPtime = time(&now);
+
+
+//--------------------------------------------------------
+
+  init_HTU21();
+  init_MCP9808();
+  Init_BMP280();
+  if (F_MCP9808 == true){
+    valTemp = getTemperature_MCP9808();
+  }
+
+  x = 320 /2;
+  y += 32;
+  tft.setTextColor(TFT_BLUE, TFT_BLACK);
 }
 
+void printTouchToDisplay(TS_Point p) {
+
+  // Clear screen first
+  tft.fillScreen(TFT_BLACK);
+  tft.setTextColor(TFT_WHITE, TFT_BLACK);
+
+  int x = 320 / 2; // center of display
+  int y = 100;
+  int fontSize = 2;
+
+  String temp = "Pressure = " + String(p.z);
+  tft.drawCentreString(temp, x, y, fontSize);
+
+  y += 16;
+  temp = "X = " + String(p.x);
+  tft.drawCentreString(temp, x, y, fontSize);
+
+  y += 16;
+  temp = "Y = " + String(p.y);
+  tft.drawCentreString(temp, x, y, fontSize);
+}
+
+
+void printTouchToSerial(TS_Point p) {
+  Serial.print("Pressure = ");
+  Serial.print(p.z);
+  Serial.print(", x = ");
+  Serial.print(p.x);
+  Serial.print(", y = ");
+  Serial.print(p.y);
+  Serial.println();
+}
+
+void printTouchToSerial2(int x, int y, int z) {
+  Serial.print("Pressure = ");
+  Serial.print(z);
+  Serial.print(", x = ");
+  Serial.print(x);
+  Serial.print(", y = ");
+  Serial.print(y);
+  Serial.println();
+}
 int Minuten, MintenOld = 99;
 float test;
+int ts_x, ts_y, ts_z;
+#define SCREEN_WIDTH 320
+#define SCREEN_HEIGHT 240
 
 void loop() {
+  
+  if (ts.tirqTouched() && ts.touched()) {
+    TS_Point p = ts.getPoint();
+    //printTouchToSerial(p);
+    ts_x = map(p.x, 200, 3700, 1, SCREEN_WIDTH);
+    ts_y = map(p.y, 240, 3800, 1, SCREEN_HEIGHT);
+    ts_z = p.z;
+    printTouchToSerial2(ts_x, ts_y, ts_z);
+    
+    if((ts_x >= 300) && (ts_y >= 220)){
+      Serial.printf(" Gefunden bei: %i : %i : %i \t", p.y, p.x, p.z);
+    } else {
+      printTouchToDisplay(p);
+    }
+    
+  }
   getNTPtime(10);
   tft.setTextColor(TFT_WHITE, TFT_BLACK);
-  zeigeZeit(timeinfo, 210, 0);
+  zeigeZeit(timeinfo, 215, 0);
   Minuten = timeinfo.tm_min;
   if (Minuten != MintenOld){
     MintenOld = Minuten;
     tft.setTextColor(TFT_BLUE, TFT_BLACK);
     x = 100;
-    test = read_HTU21D();
+    read_HTU21D();
     getTemperature_MCP9808();
     read_BMP_280();
     if (Minuten % SAVE_INTERVAL == 0){
-      sprintf(ausgabe, "%s;%f\n", szZeit, test);
+      sprintf(ausgabe, "%s;%f;%f\n", szZeit, htuData.t, htuData.h);
       appendFile(SD, "/daten.csv", ausgabe);
-      Serial.print("SAVE ----> "); Serial.println(szZeit);
+      Serial.print("SAVE ----> "); Serial.println(ausgabe);
     }
   }
   
@@ -363,7 +466,7 @@ void showTime(tm localTime) {
   }
 
 void zeigeZeit(tm localTime, int x = 0, int y = 0){
-  sprintf(szZeit,"%02d:%02d:%02d\n",
+  sprintf(szZeit,"%02d:%02d:%02d",
   localTime.tm_hour,
   localTime.tm_min,
   localTime.tm_sec);