Merge pull request #1041 from pimoroni/examples/rp2350-display-pack

Display Pack: Make button example work with RP2350 boards

Author: helgibbons

micropython/examples/pico_display/button_test.py

@@ -2,7 +2,7 @@
 # If you have a Display Pack 2.0" or 2.8" use DISPLAY_PICO_DISPLAY_2 instead of DISPLAY_PICO_DISPLAY
 
 import time
-from pimoroni import Button
+from machine import Pin
 from picographics import PicoGraphics, DISPLAY_PICO_DISPLAY, PEN_P4
 from pimoroni import RGBLED
 
@@ -12,10 +12,10 @@
 display.set_backlight(0.5)
 display.set_font("bitmap8")
 
-button_a = Button(12)
-button_b = Button(13)
-button_x = Button(14)
-button_y = Button(15)
+button_a = Pin(12, Pin.IN, Pin.PULL_UP)
+button_b = Pin(13, Pin.IN, Pin.PULL_UP)
+button_x = Pin(14, Pin.IN, Pin.PULL_UP)
+button_y = Pin(15, Pin.IN, Pin.PULL_UP)
 
 # Set up the RGB LED For Display Pack and Display Pack 2.0":
 led = RGBLED(6, 7, 8)
@@ -43,31 +43,32 @@ def clear():
 clear()
 
 while True:
-    if button_a.read():                                   # if a button press is detected then...
+    # button logic is reversed as we're using pull-ups
+    if button_a.value() == 0:                             # if a button press is detected then...
         clear()                                           # clear to black
         display.set_pen(WHITE)                            # change the pen colour
         led.set_rgb(255, 255, 255)                        # set the LED colour to match
         display.text("Button A pressed", 10, 10, 240, 4)  # display some text on the screen
         display.update()                                  # update the display
         time.sleep(1)                                     # pause for a sec
         clear()                                           # clear to black again
-    elif button_b.read():
+    elif button_b.value() == 0:
         clear()
         display.set_pen(CYAN)
         led.set_rgb(0, 255, 255)
         display.text("Button B pressed", 10, 10, 240, 4)
         display.update()
         time.sleep(1)
         clear()
-    elif button_x.read():
+    elif button_x.value() == 0:
         clear()
         display.set_pen(MAGENTA)
         led.set_rgb(255, 0, 255)
         display.text("Button X pressed", 10, 10, 240, 4)
         display.update()
         time.sleep(1)
         clear()
-    elif button_y.read():
+    elif button_y.value() == 0:
         clear()
         display.set_pen(YELLOW)
         led.set_rgb(255, 255, 0)