Add QR code to softAP

include/lv_conf.h

@@ -396,7 +396,7 @@ typedef uint8_t  lv_obj_user_data_t;
 #define LV_USE_CALENDAR (LV_HIGH_RESOURCE_MCU)
 
 /*Canvas (dependencies: lv_img)*/
-#define LV_USE_CANVAS   (LV_HIGH_RESOURCE_MCU)
+#define LV_USE_CANVAS   1 // needed for QR code
 
 /*Check box (dependencies: lv_btn, lv_label)*/
 #define LV_USE_CB       1

lib/lv_lib_qrcode/lv_qrcode.c

@@ -14,7 +14,7 @@
 /*********************
  *      DEFINES
  *********************/
-#define QR_SIZE 140
+#define QR_SIZE 150
 
 /**********************
  *      TYPEDEFS
@@ -52,7 +52,6 @@ lv_obj_t * lv_qrcode_create(lv_obj_t * parent, lv_coord_t size, lv_color_t dark_
     if(buf == NULL) return NULL;
 
     lv_obj_t * canvas = lv_canvas_create(parent, NULL);
-    if(canvas == NULL) return NULL;
 
     lv_canvas_set_buffer(canvas, buf, size, size, LV_IMG_CF_INDEXED_1BIT);
     lv_canvas_set_palette(canvas, 0, dark_color);
@@ -73,6 +72,7 @@ lv_res_t lv_qrcode_update(lv_obj_t * qrcode, const void * data, uint32_t data_le
     lv_color_t c;
     c.full = 1;
     lv_canvas_fill_bg(qrcode, c, 0);
+    // lv_canvas_zoom();
 
     if(data_len > qrcodegen_BUFFER_LEN_MAX) return LV_RES_INV;
 

src/hasp.cpp

@@ -8,6 +8,7 @@
 #include "lv_conf.h"
 #include "lv_theme_hasp.h"
 #include "lv_objx/lv_roller.h"
+#include "lv_qrcode.h"
 
 #include "hasp_conf.h"
 
@@ -652,6 +653,34 @@ void haspReconnect()
         lv_obj_set_hidden(obj, true);*/
 }
 
+void haspDisplayAP(const char * ssid, const char * pass)
+{
+    String txt((char *)0);
+    txt.reserve(64);
+
+    char buffer[64];
+    sprintf_P(buffer, PSTR("WIFI:S:%s;T:WPA;P:%s;;"), ssid, pass);
+
+    lv_obj_t * qr = lv_qrcode_create(lv_disp_get_layer_sys(NULL), 150, LV_COLOR_BLACK, LV_COLOR_WHITE);
+    lv_obj_align(qr, NULL, LV_ALIGN_CENTER, 0, 20);
+    lv_qrcode_update(qr, buffer, strlen(buffer));
+
+    lv_obj_t * panel = lv_cont_create(lv_disp_get_layer_sys(NULL), NULL);
+    lv_obj_set_style(panel, &lv_style_pretty);
+    lv_obj_align(panel, qr, LV_ALIGN_OUT_TOP_MID, 0, 10);
+    lv_label_set_align(panel, LV_LABEL_ALIGN_CENTER);
+    lv_cont_set_fit(panel, LV_FIT_TIGHT);
+    lv_cont_set_layout(panel, LV_LAYOUT_COL_M);
+
+    txt                = String(LV_SYMBOL_WIFI) + String(ssid);
+    lv_obj_t * network = lv_label_create(panel, NULL);
+    lv_label_set_text(network, ssid);
+
+    lv_obj_t * password = lv_label_create(panel, NULL);
+    txt                 = String(LV_SYMBOL_WIFI) + String(pass);
+    lv_label_set_text(password, txt.c_str());
+}
+
 /**
  * Create a demo application
  */

src/hasp.h

@@ -87,6 +87,7 @@ void haspParseJson(String & strPayload);
 
 void haspReconnect(void);
 void haspDisconnect(void);
+void haspDisplayAP(const char * ssid, const char * pass);
 
 bool haspGetConfig(const JsonObject & settings);
 bool haspSetConfig(const JsonObject & settings);

src/hasp_wifi.cpp

@@ -144,7 +144,7 @@ void wifiSetup(JsonObject settings)
         debugPrintln(buffer);
         sprintf_P(buffer, PSTR("WIFI: AP IP address : %s"), IP.toString().c_str());
         debugPrintln(buffer);
-
+        haspDisplayAP(apSsdid.c_str(), "haspadmin");
         httpReconnect();
         return;
     }