fix word wrap helper, allow use without a URL (no internet usage), touchscreen pins

Author: ladyada

adafruit_pyportal.py

@@ -189,7 +189,7 @@ def __init__(self, *, url=None, json_path=None, regexp_path=None,
         esp32_cs = DigitalInOut(board.ESP_CS)
         spi = busio.SPI(board.SCK, board.MOSI, board.MISO)
 
-        if not self._uselocal:
+        if url and not self._uselocal:
             self._esp = adafruit_esp32spi.ESP_SPIcontrol(spi, esp32_cs, esp32_ready,
                                                          esp32_reset, esp32_gpio0)
             #self._esp._debug = 1
@@ -229,7 +229,7 @@ def __init__(self, *, url=None, json_path=None, regexp_path=None,
 
         if self._debug:
             print("Init display")
-        self.splash = displayio.Group(max_size=5)
+        self.splash = displayio.Group(max_size=15)
         board.DISPLAY.show(self.splash)
 
         if self._debug:
@@ -305,10 +305,8 @@ def __init__(self, *, url=None, json_path=None, regexp_path=None,
         if self._debug:
             print("Init touchscreen")
         # pylint: disable=no-member
-        self.touchscreen = adafruit_touchscreen.Touchscreen(microcontroller.pin.PB01,
-                                                            microcontroller.pin.PB08,
-                                                            microcontroller.pin.PA06,
-                                                            microcontroller.pin.PB00,
+        self.touchscreen = adafruit_touchscreen.Touchscreen(board.TOUCH_XL, board.TOUCH_XR,
+                                                            board.TOUCH_YD, board.TOUCH_YU,
                                                             calibration=((5200, 59000),
                                                                          (5800, 57000)),
                                                             size=(320, 240))
@@ -805,7 +803,9 @@ def wrap_nicely(string, max_chars):
         the_line = ""
         for w in words:
             if len(the_line+' '+w) <= max_chars:
-                the_line += ' '+w
+                if the_lines:
+                    the_line += ' '
+                the_line += w
             else:
                 the_lines.append(the_line)
                 the_line = ''+w