Merge pull request #105 from rennancockles/main

fix qrcode and add more options

src/modules/others/qrcode_menu.cpp

@@ -4,47 +4,73 @@
 #include "core/mykeyboard.h"
 
 
-struct QRCODESTR {
-  char name[19];
-  String url;
-};
+uint16_t crc_ccitt_update(uint16_t crc, uint8_t data) {
+    crc = (uint8_t)(crc >> 8) | (crc << 8);
+    crc ^= data;
+    crc ^= (uint8_t)(crc & 0xff) >> 4;
+    crc ^= crc << 12;
+    crc ^= (crc & 0x00ff) << 5;
+    return crc;
+}
+
+
+String calculate_crc(String input) {
+    size_t len = input.length();
+    uint8_t *data = (uint8_t *)input.c_str();
+    uint16_t crc = 0xffff;
+
+    for (size_t i = 0; i < len; i++) {
+        crc = crc_ccitt_update(crc, data[i]);
+    }
+
+    String crc_str = String(crc, HEX);
+    crc_str.toUpperCase();
+    while (crc_str.length() < 4) crc_str = "0" + crc_str; // Pad with zeros if needed
+
+    return crc_str;
+}
+
 
 void qrcode_display(String qrcodeUrl) {
-    // Fetch current brightness
-    EEPROM.begin(EEPROMSIZE);
-    int oldBrightness = EEPROM.read(2);
-    EEPROM.end(); // Free EEPROM memory
-    QRcode qrcode (&tft);
+    QRcode qrcode(&tft);
     qrcode.init();
 
-    tft.fillScreen(TFT_WHITE);
-    // Set max brightness for better readability
-    setBrightness(100);
-
     qrcode.create(qrcodeUrl);
-    while(!checkEscPress() and !checkSelPress()) {
-        delay(100);
-    }
+    while(!checkEscPress() && !checkSelPress()) delay(100);
     tft.fillScreen(BGCOLOR);
+}
 
-    // Restore user brightness config
-    setBrightness(oldBrightness);
+void custom_qrcode() {
+    String message = keyboard("", 100, "QRCode text:");
+    return qrcode_display(message);
 }
 
-void qrcode_menu() {
-    options = {};
-    QRCODESTR qrcodes[] = {
-        { "Bruce AP", "WIFI:T:WPA;S:BruceNet;P:brucenet;;"},
-        { "Rickroll", "https://youtu.be/dQw4w9WgXcQ" },
-        { "HackerTyper", "https://hackertyper.net/" },
-        { "ZomboCom", "https://html5zombo.com/" },
-    };
+void pix_qrcode() {
+    String key = keyboard("", 25, "PIX Key:");
+    String key_length = key.length() >= 10 ? String(key.length()) : "0" + String(key.length());
+    String amount = keyboard("1000.00", 10, "Int amount:");
+    amount = String(amount.toFloat());
+    String amount_length = amount.length() >= 10 ? String(amount.length()) : "0" + String(amount.length());
 
-    for(int i=0; i<4; i++) {
-        options.push_back({qrcodes[i].name, [&]() { qrcode_display(qrcodes[i].url); }});
-    }
+    String data0 = "0014BR.GOV.BCB.PIX01" + key_length + key;
 
-    options.push_back({"Main menu", [=]() { backToMenu(); }});
+    String pix_code = "00020126" + String(data0.length()) + data0 + "52040000530398654" + amount_length + amount + "5802BR5909Bruce PIX6014Rio de Janeiro62070503***6304";
+    String crc = calculate_crc(pix_code);
+
+    return qrcode_display(pix_code + crc);
+}
+
+void qrcode_menu() {
+    options = {
+        {"Bruce AP",    [=]() { qrcode_display("WIFI:T:WPA;S:BruceNet;P:brucenet;;"); }},
+        {"Bruce Repo",  [=]() { qrcode_display("https://github.com/pr3y/Bruce"); }},
+        {"Rickroll",    [=]() { qrcode_display("https://youtu.be/dQw4w9WgXcQ"); }},
+        {"HackerTyper", [=]() { qrcode_display("https://hackertyper.net/"); }},
+        {"ZomboCom",    [=]() { qrcode_display("https://html5zombo.com/"); }},
+        {"PIX",         [=]() { pix_qrcode(); }},
+        {"Custom",      [=]() { custom_qrcode(); }},
+        {"Main menu",   [=]() { backToMenu(); }},
+    };
 
     delay(200);
     loopOptions(options);

src/modules/others/qrcode_menu.h

@@ -1,2 +1,4 @@
 void qrcode_display(String qrcodeUrl);
+void custom_qrcode();
+void pix_qrcode();
 void qrcode_menu();