Try print again

Author: me-no-dev

Diff for: libraries/WiFiProv/src/WiFiProv.cpp

@@ -182,6 +182,60 @@ bool WiFiProvClass::disableAutoStop(uint32_t cleanup_delay) {
 
 // Copied from IDF example
 
+#if __has_include("qrcode.h")
+static const char *lt[] = {
+  /* 0 */ "  ",
+  /* 1 */ "\u2580 ",
+  /* 2 */ " \u2580",
+  /* 3 */ "\u2580\u2580",
+  /* 4 */ "\u2584 ",
+  /* 5 */ "\u2588 ",
+  /* 6 */ "\u2584\u2580",
+  /* 7 */ "\u2588\u2580",
+  /* 8 */ " \u2584",
+  /* 9 */ "\u2580\u2584",
+  /* 10 */ " \u2588",
+  /* 11 */ "\u2580\u2588",
+  /* 12 */ "\u2584\u2584",
+  /* 13 */ "\u2588\u2584",
+  /* 14 */ "\u2584\u2588",
+  /* 15 */ "\u2588\u2588",
+};
+
+static Print *qr_out = NULL;
+
+static void _qrcode_print_console(esp_qrcode_handle_t qrcode) {
+  int size = esp_qrcode_get_size(qrcode);
+  int border = 2;
+  unsigned char num = 0;
+
+  if (qr_out == NULL) {
+    return;
+  }
+
+  for (int y = -border; y < size + border; y += 2) {
+    for (int x = -border; x < size + border; x += 2) {
+      num = 0;
+      if (esp_qrcode_get_module(qrcode, x, y)) {
+        num |= 1 << 0;
+      }
+      if ((x < size + border) && esp_qrcode_get_module(qrcode, x + 1, y)) {
+        num |= 1 << 1;
+      }
+      if ((y < size + border) && esp_qrcode_get_module(qrcode, x, y + 1)) {
+        num |= 1 << 2;
+      }
+      if ((x < size + border) && (y < size + border) && esp_qrcode_get_module(qrcode, x + 1, y + 1)) {
+        num |= 1 << 3;
+      }
+      qr_out->print(lt[num]);
+    }
+    qr_out->print("\n");
+  }
+  qr_out->print("\n");
+}
+#endif
+
 void WiFiProvClass::printQR(const char *name, const char *pop, const char *transport, Print &out) {
   if (!name || !transport) {
     log_w("Cannot generate QR code payload. Data missing.");
@@ -204,12 +258,12 @@ void WiFiProvClass::printQR(const char *name, const char *pop, const char *trans
     );
   }
 #if __has_include("qrcode.h")
-  if (out) {
-    esp_qrcode_config_t cfg = ESP_QRCODE_CONFIG_DEFAULT();
-    out.printf("Scan this QR code from the provisioning application for Provisioning.\n");
-    esp_qrcode_generate(&cfg, payload);
-    out.printf("If QR code is not visible, copy paste the below URL in a browser.\n%s?data=%s\n", "https://rainmaker.espressif.com/qrcode.html", payload);
-  }
+  esp_qrcode_config_t cfg = ESP_QRCODE_CONFIG_DEFAULT();
+  out.printf("Scan this QR code from the provisioning application for Provisioning.\n");
+  qr_out = &out;
+  esp_qrcode_generate(&cfg, payload);
+  qr_out = NULL;
+  out.printf("If QR code is not visible, copy paste the below URL in a browser.\nhttps://rainmaker.espressif.com/qrcode.html?data=%s\n", payload);
 #else
   out.println("If you are using Arduino as IDF component, install ESP Rainmaker:\nhttps://github.com/espressif/esp-rainmaker");
 #endif