Add simple button example for Display and Explorer

micropython/examples/pico_display/buttons.py

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+# This example shows you a simple, non-interrupt way of reading Pico Display's buttons with a loop that checks to see if buttons are pressed.
+
+import picodisplay as display
+import utime
+
+# Initialise display with a bytearray display buffer
+buf = bytearray(display.get_width() * display.get_height() * 2)
+display.init(buf)
+display.set_backlight(0.5)
+
+# sets up a handy function we can call to clear the screen
+def clear():  
+    display.set_pen(0,0,0)
+    display.clear()
+    display.update()
+    
+while True:
+    clear()
+    if display.is_pressed(display.BUTTON_A):              # if a button press is detected then...
+        display.set_pen(255, 255, 255)                    # change the pen colour
+        display.text("Button A pressed", 10, 10, 240, 4)  # display some text on the screen
+        display.update()                                  # update the display
+        utime.sleep(1)                                    # pause for a sec
+    elif display.is_pressed(display.BUTTON_B):
+        display.set_pen(0, 255, 255)
+        display.text("Button B pressed", 10, 10, 240, 4)
+        display.update()
+        utime.sleep(1)
+    elif display.is_pressed(display.BUTTON_X):
+        display.set_pen(255, 0, 255)
+        display.text("Button X pressed", 10, 10, 240, 4)
+        display.update()
+        utime.sleep(1)
+    elif display.is_pressed(display.BUTTON_Y):
+        display.set_pen(255, 255, 0)
+        display.text("Button Y pressed", 10, 10, 240, 4)
+        display.update()
+        utime.sleep(1) 
+    utime.sleep(0.1)  # this number is how frequently the Pico checks for button presses
+    

micropython/examples/pico_explorer/buttons.py

@@ -0,0 +1,40 @@
+# This example shows you a simple, non-interrupt way of reading Pico Explorer's buttons with a loop that checks to see if buttons are pressed.
+
+import picoexplorer as display
+import utime
+
+# Initialise display with a bytearray display buffer
+buf = bytearray(display.get_width() * display.get_height() * 2)
+display.init(buf)
+display.set_backlight(0.5)
+
+# sets up a handy function we can call to clear the screen
+def clear():  
+    display.set_pen(0,0,0)
+    display.clear()
+    display.update()
+    
+while True:
+    clear()
+    if display.is_pressed(display.BUTTON_A):              # if a button press is detected then...
+        display.set_pen(255, 255, 255)                    # change the pen colour
+        display.text("Button A pressed", 10, 10, 240, 4)  # display some text on the screen
+        display.update()                                  # update the display
+        utime.sleep(1)                                    # pause for a sec
+    elif display.is_pressed(display.BUTTON_B):
+        display.set_pen(0, 255, 255)
+        display.text("Button B pressed", 10, 10, 240, 4)
+        display.update()
+        utime.sleep(1)
+    elif display.is_pressed(display.BUTTON_X):
+        display.set_pen(255, 0, 255)
+        display.text("Button X pressed", 10, 10, 240, 4)
+        display.update()
+        utime.sleep(1)
+    elif display.is_pressed(display.BUTTON_Y):
+        display.set_pen(255, 255, 0)
+        display.text("Button Y pressed", 10, 10, 240, 4)
+        display.update()
+        utime.sleep(1) 
+    utime.sleep(0.1)  # this number is how frequently the Pico checks for button presses
+