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jeplerjepler
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stating new ipcam example
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‎examples/ipcam2/code.py

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import espcamera
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import os
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import sys
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import time
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import struct
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import board
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import adafruit_pycamera
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import displayio
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import gifio
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import ulab.numpy as np
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import bitmaptools
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import socketpool
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import wifi
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from adafruit_httpserver import Server, Request, Response, GET, POST
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pycam = adafruit_pycamera.PyCamera()
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pycam.autofocus_init()
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if wifi.radio.ipv4_address:
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# use alt port if web workflow enabled
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port = 8080
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else:
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# connect to wifi and use standard http port otherwise
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wifi.radio.connect(os.getenv("WIFI_SSID"), os.getenv("WIFI_PASSWORD"))
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port = 80
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print(wifi.radio.ipv4_address)
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pool = socketpool.SocketPool(wifi.radio)
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server = Server(pool, debug=True)
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@server.route("/lcd", [GET, POST])
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def property(request: Request) -> Response:
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pycam.blit(pycam.continuous_capture())
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return Response(request, "")
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@server.route("/jpeg", [GET, POST])
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def property(request: Request) -> Response:
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pycam.camera.reconfigure(
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pixel_format=espcamera.PixelFormat.JPEG,
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frame_size=pycam.resolution_to_frame_size[pycam._resolution]
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)
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try:
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jpeg = pycam.camera.take(1)
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if jpeg is not None:
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return Response(request, bytes(jpeg), content_type="image/jpeg")
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else:
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return Response(request, "", content_type="text/plain", status=INTERNAL_SERVER_ERROR_500)
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finally:
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pycam.live_preview_mode()
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@server.route("/property", [GET, POST])
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def property(request: Request) -> Response:
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enctype = request.query_params.get("enctype", "text/plain")
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key = request.form_data.get("k")
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value = request.form_data.get("v", None)
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try:
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current_value = getattr(pycam, key, None)
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except Exception as e:
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return Response(request, str(e), status=NOT_FOUND_404)
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if value is None:
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return Response(request, str(current_value))
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else:
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try:
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current_value_type = type(current_value)
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if current_value_type is bool:
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setattr(pycam, key, value not in ('False', '0', 'no', 'n', 'off', ''))
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else:
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setattr(pycam, key, current_value_type(value))
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return Response(request, "")
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except Exception as e:
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return Response(request, str(e), status=BAD_REQUEST_400)
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server.serve_forever(str(wifi.radio.ipv4_address), port)
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server = Server(pool, debug=True)
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last_frame = displayio.Bitmap(pycam.camera.width, pycam.camera.height, 65535)
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onionskin = displayio.Bitmap(pycam.camera.width, pycam.camera.height, 65535)
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while True:
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if (pycam.mode_text == "STOP" and pycam.stop_motion_frame != 0):
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# alpha blend
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new_frame = pycam.continuous_capture()
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bitmaptools.alphablend(onionskin, last_frame, new_frame,
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displayio.Colorspace.RGB565_SWAPPED)
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pycam.blit(onionskin)
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else:
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pycam.blit(pycam.continuous_capture())
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#print("\t\t", capture_time, blit_time)
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pycam.keys_debounce()
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print(f"{pycam.shutter.released=} {pycam.shutter.long_press=} {pycam.shutter.short_count=}")
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# test shutter button
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if pycam.shutter.long_press:
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print("FOCUS")
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print(pycam.autofocus_status)
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pycam.autofocus()
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print(pycam.autofocus_status)
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if pycam.shutter.short_count:
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print("Shutter released")
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if pycam.mode_text == "STOP":
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pycam.capture_into_bitmap(last_frame)
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pycam.stop_motion_frame += 1
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try:
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pycam.display_message("Snap!", color=0x0000FF)
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pycam.capture_jpeg()
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except TypeError as e:
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pycam.display_message("Failed", color=0xFF0000)
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time.sleep(0.5)
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except RuntimeError as e:
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pycam.display_message("Error\nNo SD Card", color=0xFF0000)
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time.sleep(0.5)
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pycam.live_preview_mode()
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if pycam.mode_text == "GIF":
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try:
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f = pycam.open_next_image("gif")
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except RuntimeError as e:
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pycam.display_message("Error\nNo SD Card", color=0xFF0000)
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time.sleep(0.5)
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continue
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i = 0
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ft = []
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pycam._mode_label.text = "RECORDING"
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pycam.display.refresh()
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with gifio.GifWriter(f, pycam.camera.width, pycam.camera.height,
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displayio.Colorspace.RGB565_SWAPPED, dither=True) as g:
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t00 = t0 = time.monotonic()
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while (i < 15) or (pycam.shutter_button.value == False):
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i += 1
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_gifframe = pycam.continuous_capture()
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g.add_frame(_gifframe, .12)
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pycam.blit(_gifframe)
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t1 = time.monotonic()
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ft.append(1/(t1-t0))
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print(end=".")
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t0 = t1
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pycam._mode_label.text = "GIF"
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print(f"\nfinal size {f.tell()} for {i} frames")
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print(f"average framerate {i/(t1-t00)}fps")
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print(f"best {max(ft)} worst {min(ft)} std. deviation {np.std(ft)}")
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f.close()
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pycam.display.refresh()
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if pycam.mode_text == "JPEG":
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pycam.tone(200, 0.1)
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try:
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pycam.display_message("Snap!", color=0x0000FF)
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pycam.capture_jpeg()
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pycam.live_preview_mode()
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except TypeError as e:
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pycam.display_message("Failed", color=0xFF0000)
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time.sleep(0.5)
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pycam.live_preview_mode()
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except RuntimeError as e:
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pycam.display_message("Error\nNo SD Card", color=0xFF0000)
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time.sleep(0.5)
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if pycam.card_detect.fell:
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print("SD card removed")
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pycam.unmount_sd_card()
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pycam.display.refresh()
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if pycam.card_detect.rose:
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print("SD card inserted")
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pycam.display_message("Mounting\nSD Card", color=0xFFFFFF)
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for _ in range(3):
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try:
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print("Mounting card")
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pycam.mount_sd_card()
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print("Success!")
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break
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except OSError as e:
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print("Retrying!", e)
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time.sleep(0.5)
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else:
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pycam.display_message("SD Card\nFailed!", color=0xFF0000)
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time.sleep(0.5)
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pycam.display.refresh()
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if pycam.up.fell:
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print("UP")
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key = settings[curr_setting]
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if key:
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setattr(pycam, key, getattr(pycam, key) + 1)
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if pycam.down.fell:
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print("DN")
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key = settings[curr_setting]
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if key:
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setattr(pycam, key, getattr(pycam, key) - 1)
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if pycam.left.fell:
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print("LF")
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curr_setting = (curr_setting + 1) % len(settings)
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print(settings[curr_setting])
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#new_res = min(len(pycam.resolutions)-1, pycam.get_resolution()+1)
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#pycam.set_resolution(pycam.resolutions[new_res])
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pycam.select_setting(settings[curr_setting])
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if pycam.right.fell:
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print("RT")
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curr_setting = (curr_setting - 1 + len(settings)) % len(settings)
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print(settings[curr_setting])
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pycam.select_setting(settings[curr_setting])
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#new_res = max(1, pycam.get_resolution()-1)
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#pycam.set_resolution(pycam.resolutions[new_res])
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if pycam.select.fell:
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print("SEL")
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if pycam.ok.fell:
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print("OK")
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