# SPDX-FileCopyrightText: 2023 Jeff Epler for Adafruit Industries
# SPDX-FileCopyrightText: 2023 Limor Fried for Adafruit Industries
#
# SPDX-License-Identifier: Unlicense
import ssl
import os
import time
import socketpool
import adafruit_requests
import rtc
import adafruit_ntp
import wifi
import bitmaptools
import displayio
import gifio
import ulab.numpy as np
import adafruit_pycamera
# Wifi details are in settings.toml file, also,
# timezone info should be included to allow local time and DST adjustments
# # UTC_OFFSET, if present, will override TZ and DST and no API query will be done
# UTC_OFFSET=-25200
# # TZ="America/Phoenix"
UTC_OFFSET = os.getenv("UTC_OFFSET")
TZ = os.getenv("TZ")
print(f"Connecting to {os.getenv('CIRCUITPY_WIFI_SSID')}")
SSID = os.getenv("CIRCUITPY_WIFI_SSID")
PASSWORD = os.getenv("CIRCUITPY_WIFI_PASSWORD")
if SSID and PASSWORD:
wifi.radio.connect(
os.getenv("CIRCUITPY_WIFI_SSID"), os.getenv("CIRCUITPY_WIFI_PASSWORD")
)
if wifi.radio.connected:
print(f"Connected to {os.getenv('CIRCUITPY_WIFI_SSID')}!")
print("My IP address is", wifi.radio.ipv4_address)
pool = socketpool.SocketPool(wifi.radio)
if UTC_OFFSET is None:
requests = adafruit_requests.Session(pool, ssl.create_default_context())
response = requests.get("http://worldtimeapi.org/api/timezone/" + TZ)
response_as_json = response.json()
UTC_OFFSET = response_as_json["raw_offset"] + response_as_json["dst_offset"]
print(f"UTC_OFFSET: {UTC_OFFSET}")
ntp = adafruit_ntp.NTP(
pool, server="pool.ntp.org", tz_offset=UTC_OFFSET // 3600
)
print(f"ntp time: {ntp.datetime}")
rtc.RTC().datetime = ntp.datetime
else:
print("Wifi failed to connect. Time not set.")
else:
print("Wifi config not found in settintgs.toml. Time not set.")
pycam = adafruit_pycamera.PyCamera()
# pycam.live_preview_mode()
settings = (
None,
"resolution",
"effect",
"mode",
"led_level",
"led_color",
"timelapse_rate",
)
curr_setting = 0
print("Starting!")
# pycam.tone(200, 0.1)
last_frame = displayio.Bitmap(pycam.camera.width, pycam.camera.height, 65535)
onionskin = displayio.Bitmap(pycam.camera.width, pycam.camera.height, 65535)
timelapse_remaining = None
timelapse_timestamp = None
while True:
if pycam.mode_text == "STOP" and pycam.stop_motion_frame != 0:
# alpha blend
new_frame = pycam.continuous_capture()
bitmaptools.alphablend(
onionskin, last_frame, new_frame, displayio.Colorspace.RGB565_SWAPPED
)
pycam.blit(onionskin)
elif pycam.mode_text == "GBOY":
bitmaptools.dither(
last_frame, pycam.continuous_capture(), displayio.Colorspace.RGB565_SWAPPED
)
pycam.blit(last_frame)
elif pycam.mode_text == "LAPS":
if timelapse_remaining is None:
pycam.timelapsestatus_label.text = "STOP"
else:
timelapse_remaining = timelapse_timestamp - time.time()
pycam.timelapsestatus_label.text = f"{timelapse_remaining}s / "
# Manually updating the label text a second time ensures that the label
# is re-painted over the blitted preview.
pycam.timelapse_rate_label.text = pycam.timelapse_rate_label.text
pycam.timelapse_submode_label.text = pycam.timelapse_submode_label.text
# only in high power mode do we continuously preview
if (timelapse_remaining is None) or (
pycam.timelapse_submode_label.text == "HiPwr"
):
pycam.blit(pycam.continuous_capture())
if pycam.timelapse_submode_label.text == "LowPwr" and (
timelapse_remaining is not None
):
pycam.display.brightness = 0.05
else:
pycam.display.brightness = 1
pycam.display.refresh()
if timelapse_remaining is not None and timelapse_remaining <= 0:
# no matter what, show what was just on the camera
pycam.blit(pycam.continuous_capture())
# pycam.tone(200, 0.1) # uncomment to add a beep when a photo is taken
try:
pycam.display_message("Snap!", color=0x0000FF)
pycam.capture_jpeg()
except TypeError as e:
pycam.display_message("Failed", color=0xFF0000)
time.sleep(0.5)
except RuntimeError as e:
pycam.display_message("Error\nNo SD Card", color=0xFF0000)
time.sleep(0.5)
pycam.live_preview_mode()
pycam.display.refresh()
pycam.blit(pycam.continuous_capture())
timelapse_timestamp = (
time.time() + pycam.timelapse_rates[pycam.timelapse_rate] + 1
)
else:
pycam.blit(pycam.continuous_capture())
# print("\t\t", capture_time, blit_time)
pycam.keys_debounce()
# test shutter button
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
try:
pycam.display_message("Snap!", color=0x0000FF)
pycam.capture_jpeg()
except TypeError as e:
pycam.display_message("Failed", color=0xFF0000)
time.sleep(0.5)
except RuntimeError as e:
pycam.display_message("Error\nNo SD Card", color=0xFF0000)
time.sleep(0.5)
pycam.live_preview_mode()
if pycam.mode_text == "GBOY":
try:
f = pycam.open_next_image("gif")
except RuntimeError as e:
pycam.display_message("Error\nNo SD Card", color=0xFF0000)
time.sleep(0.5)
continue
with gifio.GifWriter(
f,
pycam.camera.width,
pycam.camera.height,
displayio.Colorspace.RGB565_SWAPPED,
dither=True,
) as g:
g.add_frame(last_frame, 1)
if pycam.mode_text == "GIF":
try:
f = pycam.open_next_image("gif")
except RuntimeError as e:
pycam.display_message("Error\nNo SD Card", color=0xFF0000)
time.sleep(0.5)
continue
i = 0
ft = []
pycam._mode_label.text = "RECORDING" # pylint: disable=protected-access
pycam.display.refresh()
with gifio.GifWriter(
f,
pycam.camera.width,
pycam.camera.height,
displayio.Colorspace.RGB565_SWAPPED,
dither=True,
) as g:
t00 = t0 = time.monotonic()
while (i < 15) or not pycam.shutter_button.value:
i += 1
_gifframe = pycam.continuous_capture()
g.add_frame(_gifframe, 0.12)
pycam.blit(_gifframe)
t1 = time.monotonic()
ft.append(1 / (t1 - t0))
print(end=".")
t0 = t1
pycam._mode_label.text = "GIF" # pylint: disable=protected-access
print(f"\nfinal size {f.tell()} for {i} frames")
print(f"average framerate {i / (t1 - t00)}fps")
print(f"best {max(ft)} worst {min(ft)} std. deviation {np.std(ft)}")
f.close()
pycam.display.refresh()
if pycam.mode_text == "JPEG":
pycam.tone(200, 0.1)
try:
pycam.display_message("Snap!", color=0x0000FF)
pycam.capture_jpeg()
pycam.live_preview_mode()
except TypeError as e:
pycam.display_message("Failed", color=0xFF0000)
time.sleep(0.5)
pycam.live_preview_mode()
except RuntimeError as e:
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 e:
print("Retrying!", e)
time.sleep(0.5)
else:
pycam.display_message("SD Card\nFailed!", color=0xFF0000)
time.sleep(0.5)
pycam.display.refresh()
if pycam.up.fell:
print("UP")
key = settings[curr_setting]
if key:
print("getting", key, getattr(pycam, key))
setattr(pycam, key, getattr(pycam, key) + 1)
if pycam.down.fell:
print("DN")
key = settings[curr_setting]
if key:
setattr(pycam, key, getattr(pycam, key) - 1)
if pycam.right.fell:
print("RT")
curr_setting = (curr_setting + 1) % len(settings)
if pycam.mode_text != "LAPS" and settings[curr_setting] == "timelapse_rate":
curr_setting = (curr_setting + 1) % len(settings)
print(settings[curr_setting])
# new_res = min(len(pycam.resolutions)-1, pycam.get_resolution()+1)
# pycam.set_resolution(pycam.resolutions[new_res])
pycam.select_setting(settings[curr_setting])
if pycam.left.fell:
print("LF")
curr_setting = (curr_setting - 1 + len(settings)) % len(settings)
if pycam.mode_text != "LAPS" and settings[curr_setting] == "timelaps_rate":
curr_setting = (curr_setting + 1) % len(settings)
print(settings[curr_setting])
pycam.select_setting(settings[curr_setting])
# new_res = max(1, pycam.get_resolution()-1)
# pycam.set_resolution(pycam.resolutions[new_res])
if pycam.select.fell:
print("SEL")
if pycam.mode_text == "LAPS":
pycam.timelapse_submode += 1
pycam.display.refresh()
if pycam.ok.fell:
print("OK")
if pycam.mode_text == "LAPS":
if timelapse_remaining is None: # stopped
print("Starting timelapse")
timelapse_remaining = pycam.timelapse_rates[pycam.timelapse_rate]
timelapse_timestamp = time.time() + timelapse_remaining + 1
# dont let the camera take over auto-settings
saved_settings = pycam.get_camera_autosettings()
# print(f"Current exposure {saved_settings=}")
pycam.set_camera_exposure(saved_settings["exposure"])
pycam.set_camera_gain(saved_settings["gain"])
pycam.set_camera_wb(saved_settings["wb"])
else: # is running, turn off
print("Stopping timelapse")
timelapse_remaining = None
pycam.camera.exposure_ctrl = True
pycam.set_camera_gain(None) # go back to autogain
pycam.set_camera_wb(None) # go back to autobalance
pycam.set_camera_exposure(None) # go back to auto shutter
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