fix espfs image alignment issue

pio-genespfs.py

@@ -15,7 +15,9 @@ buf = BytesIO()
 espfsimg = mkespfs(dir, buf)
 
 fd = Path(espfile).open(mode='w')
-fd.write("unsigned char espfs_image[] __attribute__((section(\".irom.text\"))) = {");
+fd.write("unsigned char espfs_image[] ");
+fd.write("__attribute__((aligned(4))) ");
+fd.write("__attribute__((section(\".irom.text\"))) = {");
 for i, b in enumerate(buf.getbuffer()):
     if i%16 == 0: fd.write("\n")
     fd.write(" 0x{:02x},".format(b))

src/main.c

@@ -189,10 +189,9 @@ user_init(void) {
   // Wifi
   wifiInit();
   // init the flash filesystem with the html stuff
-  espFsInit(espLinkCtx, espfs_image, ESPFS_MEMORY);
+  EspFsInitResult res = espFsInit(espLinkCtx, espfs_image, ESPFS_MEMORY);
+  os_printf("espFsInit %s (%d)\n", res?"ERR":"ok", res);
 
-  //EspFsInitResult res = espFsInit(&_binary_espfs_img_start);
-  //os_printf("espFsInit %s\n", res?"ERR":"ok");
   // mount the http handlers
   httpdInit(builtInUrls, 80);
 #ifdef WEBSERVER