Get short & long presses on the shutter button

short+long: focus, then capture
long: focus only
short: capture only

sel is now free for another use, such as adjusting LEDs

Author: jepler

adafruit_pycamera.py

@@ -4,7 +4,7 @@
 import struct
 import board
 from digitalio import DigitalInOut, Direction, Pull
-from adafruit_debouncer import Debouncer
+from adafruit_debouncer import Debouncer, Button
 import bitmaptools
 import busio
 import adafruit_lis3dh
@@ -177,7 +177,7 @@ def __init__(self) -> None:
 
         self.shutter_button = DigitalInOut(board.BUTTON)
         self.shutter_button.switch_to_input(Pull.UP)
-        self.shutter = Debouncer(self.shutter_button)
+        self.shutter = Button(self.shutter_button)
 
         print("reset camera")
         self._cam_reset = DigitalInOut(board.CAMERA_RESET)

examples/camera/code.py

@@ -1,7 +1,3 @@
-
-
-
-
 import os
 import sys
 import time
@@ -37,9 +33,13 @@
 
     pycam.keys_debounce()
     # test shutter button
-    if pycam.shutter.fell:
-        print("Shutter pressed")
-
+    if pycam.shutter.long_press:
+        print("FOCUS")
+        print(pycam.autofocus_status)
+        pycam.autofocus()
+        print(pycam.autofocus_status)
+    if pycam.shutter.short_count:
+        print("Shutter released")
         if pycam.mode_text == "STOP":
             pycam.capture_into_bitmap(last_frame)
             pycam.stop_motion_frame += 1
@@ -98,9 +98,6 @@
             except RuntimeError as e:
                 pycam.display_message("Error\nNo SD Card", color=0xFF0000)
                 time.sleep(0.5)
-    if pycam.shutter.rose:
-        print("Shutter released")
-
     if pycam.card_detect.fell:
         print("SD card removed")
         pycam.unmount_sd_card()
@@ -148,8 +145,5 @@
         #pycam.set_resolution(pycam.resolutions[new_res])
     if pycam.select.fell:
         print("SEL")
-        print(pycam.autofocus_status)
-        pycam.autofocus()
-        print(pycam.autofocus_status)
     if pycam.ok.fell:
         print("OK")