add basic_camera code

For JP per Limor

Author: TheKitty

examples/basic_camera/code.py

@@ -0,0 +1,67 @@
+# SPDX-FileCopyrightText: Copyright (c) 2023 john park for Adafruit Industries
+#
+# SPDX-License-Identifier: MIT
+''' simple point-and-shoot camera example. No bells! Zero whistles! '''
+
+import time
+import adafruit_pycamera # pylint: disable=import-error
+
+pycam = adafruit_pycamera.PyCamera()
+pycam.mode = 0  # only mode 0 (JPEG) will work in this example
+
+# User settings - try changing these:
+pycam.resolution = 8    # 0-12 preset resolutions:
+#                      0: 240x240, 1: 320x240, 2: 640x480, 3: 800x600, 4: 1024x768,
+#                      5: 1280x720, 6: 1280x1024, 7: 1600x1200, 8: 1920x1080, 9: 2048x1536,
+#                      10: 2560x1440, 11: 2560x1600, 12: 2560x1920
+pycam.led_level = 1  # 0-4 preset brightness levels
+pycam.led_color = 0  # 0-7  preset colors: 0: white, 1: green, 2: yellow, 3: red,
+#                                          4: pink, 5: blue, 6: teal, 7: rainbow
+pycam.effect = 0  # 0-7 preset FX: 0: normal, 1: invert, 2: b&w, 3: red,
+#                                  4: green, 5: blue, 6: sepia, 7: solarize
+
+print("Simple camera ready.")
+pycam.tone(800, 0.1)
+pycam.tone(1200, 0.05)
+
+while True:
+    pycam.blit(pycam.continuous_capture())
+    pycam.keys_debounce()
+
+    if pycam.shutter.short_count:
+        print("Shutter released")
+        pycam.tone(1200, 0.05)
+        pycam.tone(1600, 0.05)
+        try:
+            pycam.display_message("snap", color=0x00DD00)
+            pycam.capture_jpeg()
+            pycam.live_preview_mode()
+        except TypeError as exception:
+            pycam.display_message("Failed", color=0xFF0000)
+            time.sleep(0.5)
+            pycam.live_preview_mode()
+        except RuntimeError as exception:
+            pycam.display_message("Error\nNo SD Card", color=0xFF0000)
+            time.sleep(0.5)
+
+    if pycam.card_detect.fell:
+        print("SD card removed")
+        pycam.unmount_sd_card()
+        pycam.display.refresh()
+
+    if pycam.card_detect.rose:
+        print("SD card inserted")
+        pycam.display_message("Mounting\nSD Card", color=0xFFFFFF)
+        for _ in range(3):
+            try:
+                print("Mounting card")
+                pycam.mount_sd_card()
+                print("Success!")
+                break
+            except OSError as exception:
+                print("Retrying!", exception)
+                time.sleep(0.5)
+        else:
+            pycam.display_message("SD Card\nFailed!", color=0xFF0000)
+            time.sleep(0.5)
+        pycam.display.refresh()