# This section uses firmware from Lemariva's Micropython-camera-driver.
# for details, please refer to: https://github.com/lemariva/micropython-camera-driver
import picoweb
import utime
import camera
import gc
SSID = "Linksys03137" # Enter your WiFi name
PASSWORD = "wxgncdgfkf" # Enter your WiFi password
# Let ESP32 connect to wifi.
def wifi_connect():
import network
wlan = network.WLAN(network.STA_IF)
wlan.active(True)
if not wlan.isconnected():
print('connecting to network...')
wlan.connect(SSID, PASSWORD)
start = utime.time()
while not wlan.isconnected():
utime.sleep(1)
if utime.time()-start > 5:
print("connect timeout!")
break
if wlan.isconnected():
print('network config:', wlan.ifconfig())
# Initializing the Camera
def camera_init():
# Disable camera initialization
camera.deinit()
# Enable camera initialization
camera.init(0, d0=4, d1=5, d2=18, d3=19, d4=36, d5=39, d6=34, d7=35,
format=camera.JPEG, framesize=camera.FRAME_VGA,
xclk_freq=camera.XCLK_20MHz,
href=23, vsync=25, reset=-1, pwdn=-1,
sioc=27, siod=26, xclk=21, pclk=22, fb_location=camera.PSRAM)
camera.framesize(camera.FRAME_VGA) # Set the camera resolution
# The options are the following:
# FRAME_96X96 FRAME_QQVGA FRAME_QCIF FRAME_HQVGA FRAME_240X240
# FRAME_QVGA FRAME_CIF FRAME_HVGA FRAME_VGA FRAME_SVGA
# FRAME_XGA FRAME_HD FRAME_SXGA FRAME_UXGA
# Note: The higher the resolution, the more memory is used.
# Note: And too much memory may cause the program to fail.
camera.flip(0) # Flip up and down window: 0-1
camera.mirror(0) # Flip window left and right: 0-1
camera.saturation(0) # saturation: -2,2 (default 0). -2 grayscale
camera.brightness(0) # brightness: -2,2 (default 0). 2 brightness
camera.contrast(0) # contrast: -2,2 (default 0). 2 highcontrast
camera.quality(10) # quality: # 10-63 lower number means higher quality
# Note: The smaller the number, the sharper the image. The larger the number, the more blurry the image
camera.speffect(camera.EFFECT_NONE) # special effects:
# EFFECT_NONE (default) EFFECT_NEG EFFECT_BW EFFECT_RED EFFECT_GREEN EFFECT_BLUE EFFECT_RETRO
camera.whitebalance(camera.WB_NONE) # white balance
# WB_NONE (default) WB_SUNNY WB_CLOUDY WB_OFFICE WB_HOME
# HTTP Response Content
index_web="""
HTTP/1.0 200 OK\r\n
Video Streaming
Video Streaming Demonstration
"""
# HTTP Response
def index(req, resp):
# You can construct an HTTP response completely yourself, having
yield from resp.awrite(index_web)
# Send camera pictures
def send_frame():
buf = camera.capture()
# print(' -- buf:', len(buf))
yield (b'--frame\r\n'
b'Content-Type: image/jpeg\r\n\r\n'
+ buf + b'\r\n')
del buf
gc.collect()
# Video transmission
def video(req, resp):
yield from picoweb.start_response(resp, content_type="multipart/x-mixed-replace; boundary=frame")
while True:
yield from resp.awrite(next(send_frame()))
gc.collect()
ROUTES = [
# You can specify exact URI string matches...
("/", index),
("/video", video),
]
if __name__ == '__main__':
import ulogging as logging
logging.basicConfig(level=logging.INFO)
camera_init()
wifi_connect()
#Create an app object that contains two decorators
app = picoweb.WebApp(__name__, ROUTES)
app.run(debug=1, port=80, host="0.0.0.0")
print(' - end')
# debug values:
# -1 disable all logging
# 0 (False) normal logging: requests and errors
# 1 (True) debug logging
# 2 extra debug logging