1 | #include <WiFi.h>
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2 | #include <Wire.h>
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3 | #include <LiquidCrystal_I2C.h>
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4 | #include "FS.h"
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5 | #include "SPIFFS.h"
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6 |
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7 | LiquidCrystal_I2C lcd(0x3F, 16, 2); //Init Display
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8 |
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9 | const char* ssid = "ESP32AP";
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10 | const char* password = "12345678";
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11 |
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12 | String header;
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13 |
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14 | WiFiServer server(80);
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15 |
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16 | void setup()
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17 | {
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18 |
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19 | SPIFFS.begin();
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20 | SPIFFS.format();
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21 |
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22 | Serial.begin(115200);
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23 | pinMode(5, OUTPUT); // set the LED pin mode
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24 | lcd.begin();
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25 | lcd.backlight();
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26 | lcd.clear();
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27 | delay(10);
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28 |
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29 | // We start by connecting to a WiFi network
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30 |
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31 | Serial.println();
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32 | Serial.println();
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33 | Serial.print("Setting up ");
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34 | Serial.println(ssid);
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35 |
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36 | WiFi.softAP(ssid, password);
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37 |
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38 | /*while (WiFi.status() != WL_CONNECTED) {
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39 | delay(500);
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40 | Serial.print(".");
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41 | }*/
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42 |
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43 | Serial.println("");
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44 | Serial.println("WiFi connected.");
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45 | Serial.println("IP address: ");
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46 | Serial.println(WiFi.softAPIP());
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47 |
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48 | lcd.print(WiFi.softAPIP());
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49 | lcd.setCursor(0, 1);
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50 | server.begin();
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51 |
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52 | }
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53 |
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54 | int value = 0;
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55 | int i = 0;
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56 |
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57 |
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58 | void loop() {
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59 | WiFiClient client = server.available(); // listen for incoming clients
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60 | lcd.setCursor(i, 1);
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61 | lcd.print(".");
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62 | i++;
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63 | if (i > 9)
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64 | {
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65 | i = 0;
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66 | lcd.setCursor(0, 1);
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67 | lcd.print(" ");
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68 |
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69 | }
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70 | // delay(100);
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71 | if (client) {
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72 | int indikator = 0; // if you get a client,
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73 | Serial.println("New Client."); // print a message out the serial port
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74 | String currentLine = ""; // make a String to hold incoming data from the client
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75 |
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76 | //variable um festzustellen ob erster schleifendurchlauf oder nicht
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77 | while (client.connected()) { // loop while the client's connected
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78 |
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79 | if (client.available()) { // if there's bytes to read from the client,
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80 |
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81 | char c = client.read(); // read a byte, then
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82 | //Serial.write(c);
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83 |
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84 | header += c; //Empfangene Daten zwischenspeichern
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85 |
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86 | }
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87 | }
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88 |
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89 | client.stop(); // close the connection:
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90 | //Serial.println("\nClient Disconnected.");
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91 |
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92 | int index = header.indexOf(":10"); //Anfang der Programmdaten suchen
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93 | Serial.print("Index: ");
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94 | Serial.println(index);
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95 |
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96 | String header2 = header.substring(index);
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97 |
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98 | //Datei schreiben
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99 | File f1 = SPIFFS.open("/datei.hex", "w"); //Datei öffnen Modus: Schreiben
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100 | if (!f1) {
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101 | Serial.println("file open failed");
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102 | }
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103 |
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104 | while (f1.available()) {
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105 |
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106 | f1.print(header2); //Dateiinhalte schreiben
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107 | }
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108 | f1.close();
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109 |
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110 | String debugLogData;
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111 |
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112 | //Datei lesen
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113 | File f2 = SPIFFS.open("/datei.hex", "r"); //Datei öffnen Modus: Lesen
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114 | if (!f2) {
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115 | Serial.println("file open failed");
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116 | }
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117 |
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118 | while (f2.available()) {
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119 |
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120 | debugLogData += char(f2.read()); //Dateiinhalte lesen
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121 | }
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122 | f2.close();
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123 |
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124 | Serial.println("_-_STRING HEADER_-_");
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125 | Serial.print(debugLogData);
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126 |
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127 | header = ""; //Inhalt der Header Variable löschen
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128 |
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129 | }
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130 | }
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