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main.py
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main.py
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"""
Progress Bar. Takes a pico W and a light strip to make a physical progress bar.
Proof of Concept. Fork the repository and make it better
Copyright (C) 2023 Veeb Projects https://veeb.ch
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>
"""
from phew import access_point, connect_to_wifi, is_connected_to_wifi, dns, server
from phew.template import render_template
from random import choice
import machine
import _thread
import utime
import time
import network
import config
import urequests
import neopixel
import math
import os
import json
import re
import gc
# Time with daylight savings time and time zone factored in, edit this to fit where you are
worldtimeurl = "https://timeapi.io/api/TimeZone/zone?timezone=" + config.TIMEZONE
# The ID of the public Google Calendar to be used
calendar = config.CALENDAR
# The API key for google... Not sure why it is needed, but it seems to be
api_key = config.APIKEY
n = config.PIXELS # Number of pixels on strip
p = config.GPIOPIN # GPIO pin that data line of lights is connected to
barcolourlist = config.BARCOL # RGB for bar color
eventcolourlist = config.EVENTCOL # RGB for event color
schedule = config.SCHEDULE # Working hours in config file (only used if google calendar not used)
flip = config.FLIP
googlecalbool = config.GOOGLECALBOOL
ignorehardcoded = config.IGNORE_HARDCODED
led = machine.Pin("LED", machine.Pin.OUT)
led.off()
led.on()
time.sleep(1)
checkevery = config.REFRESH # Number of seconds for interval refreshinag neopixel
checkgoogle = config.GOOGLE_REFRESH
AP_NAME = "veebprojects"
AP_DOMAIN = "pipico.net"
AP_TEMPLATE_PATH = "ap_templates"
WIFI_FILE = "wifi.json"
twocolor = config.TWOCOL
overcol = tuple(map(lambda x: min(255, int(2*sum(x)/len(x))), zip(*[barcolourlist[0], eventcolourlist[0]])))
delwifi = config.DELWIFI
displayevents = config.DISPLAY_EVENTS
if (ignorehardcoded) & (googlecalbool == False):
print('incompatible options, setting ignorehardcoded to False')
ignorehardcoded = False
def machine_reset():
time.sleep(1)
print("Resetting...")
machine.reset()
def get_today_appointment_times(calendar_id, api_key, tz):
# Get the date from the RTC
rtc = machine.RTC()
year, month, day, _, hour, minute, _, _ = rtc.datetime()
# Format the date
date = "{:04d}-{:02d}-{:02d}".format(year, month, day)
# Format the request URL
url = f"https://www.googleapis.com/calendar/v3/calendars/{calendar_id}/events"
url += f"?timeMin={date}T00:00:00Z&timeMax={date}T23:59:59Z&timeZone={tz}&key={api_key}"
# Send the request
response = urequests.get(url)
data = response.json()
# Extract the appointment times
appointment_times = []
cancelled_times = []
for item in data.get("items", []):
if item["status"] == "cancelled":
start = item["originalStartTime"].get("dateTime", item["originalStartTime"].get("date"))
cancelled_times.append(start)
for item in data.get("items", []):
if item["status"] == "cancelled":
continue
start = item["start"].get("dateTime", item["start"].get("date"))
if start in cancelled_times:
continue
appointment_times.append(start)
end = item["end"].get("dateTime", item["end"].get("date"))
appointment_times.append(end)
array = appointment_times
for x in range(len(array)):
array[x]=re.sub('.*T','',array[x])
array=sorted(array)
for x in array:
print(x)
return array
def whatday(weekday):
dayindex = int(weekday)
nameofday = [
'monday',
'tuesday',
'wednesday',
'thursday',
'friday',
'saturday',
'sunday']
day = nameofday[dayindex]
return day
def set_time(worldtimeurl):
print('Grab time: ', worldtimeurl)
try:
response = urequests.get(worldtimeurl)
except:
print('Problem with ', worldtimeurl)
# parse JSON
parsed = response.json()
datetime_str = str(parsed["currentLocalTime"])
year = int(datetime_str[0:4])
month = int(datetime_str[5:7])
day = int(datetime_str[8:10])
hour = int(datetime_str[11:13])
minute = int(datetime_str[14:16])
second = int(datetime_str[17:19])
offset = int(parsed["currentUtcOffset"]["seconds"])/3600
# update internal RTC
machine.RTC().datetime((year,
month,
day,
0,
hour,
minute,
second,
0))
dow = time.localtime()[6]
return dow,offset
def bar(np, upto, clockin, clockout, event):
barupto = hourtoindex(upto, clockin, clockout)
if event and twocolor is False:
colourbar = barcolourlist[1]
else:
colourbar = barcolourlist[0]
for i in range(barupto):
np[i] = colourbar
def eventnow(hoursin, googletimes):
# This returns whether you're currently in a meeting and will be used to change the colour of the bar
event = False
try:
for i in range(0,len(googletimes)-1,2):
hourstart = timetohour(googletimes[i])
hourend = timetohour(googletimes[i+1])
if ((hourstart <= hoursin) & (hourend >= hoursin)):
event = True
print('EventNow')
except:
pass
return event
def flipit(np, n):
temp=[0]*n
for i in range(n):
temp[i]=np[i]
for i in range(n):
np[i]=temp[n-1-i]
return np
def timetohour(time_string):
# Extract the time portion from the string
if time_string.count('-') == 0:
time_part = time_string.split("+")[0]
else:
time_part = time_string.split("-")[0]
# Split the time into hours, minutes, and seconds
hours, minutes, seconds = time_part.split(":")
parsed_time = int(hours)+int(minutes)/60+int(seconds)/3600
return parsed_time
def addevents(np, response, clockin, clockout):
indexes = []
for x in response:
hour = timetohour(x)
index = hourtoindex(hour, clockin, clockout)
if valid(index):
indexes.append(index)
#pop out pairs of values and paint in meetings
try:
index = 0
while True:
end = indexes.pop()
start= indexes.pop()
for i in range(start,end):
if valid(i):
np[i] = eventcolourlist[index % len(eventcolourlist)]
index = (index + 1)
except:
pass
def valid(index):
valid = False
if index <= n and index >= 0:
valid = True
return valid
def off(np):
print('Turn off all LEDs')
for i in range(n):
np[i] = (0, 0, 0)
np.write()
def hourtoindex(hoursin, clockin, clockout):
index = int(math.floor(n*(hoursin - clockin)/(clockout-clockin)))
if index < 0 or index > n:
index = -1
return index
def wheel(pos):
# Input a value 0 to 255 to get a color value.
# The colours are a transition r - g - b - back to r.
if pos < 0 or pos > 255:
r = g = b = 0
elif pos < 85:
r = int(pos * 3)
g = int(255 - pos * 3)
b = 0
elif pos < 170:
pos -= 85
r = int(255 - pos * 3)
g = 0
b = int(pos * 3)
else:
pos -= 170
r = 0
g = int(pos * 3)
b = int(255 - pos * 3)
return (r, g, b)
def rainbow_cycle(np):
print ('Rainbow!')
for j in range(255):
for i in range(n):
pixel_index = (i * 256 // n) + j
np[i] = wheel(pixel_index & 255)
np.write()
def atwork(clockin, clockout, time):
work = False
if (time >= clockin) & (time < clockout):
work = True
return work
def anim_restore(np, hoursin, clockin, clockout):
ledindex = hourtoindex(hoursin, clockin, clockout)
for i in range(n):
np[i] = (0, 0, 0)
for i in range(ledindex):
np[i] = barcolourlist[0]
if flip: flipit(np, n)
np.write()
if flip: flipit(np, n)
time.sleep(0.01)
if flip: flipit(np, n)
def get_progress(hoursin, times):
googletimes = times
for i in range(0, len(googletimes)-1, 2):
hourstart = timetohour(googletimes[i])
hourend = timetohour(googletimes[i+1])
if hourstart <= hoursin <= hourend:
barupto = hourtoindex(hoursin, hourstart, hourend)
eventpixel = [0]*n
for i in range(barupto):
eventpixel[i] = 1
if flip:
eventpixel = reversed(eventpixel)
return eventpixel
def draw_overlay(np, hoursin, googletimes):
eventprogress = get_progress(hoursin, googletimes)
for i in range(n):
if eventprogress[i] == 1:
if np[i] == barcolourlist[0]:
np[i] = overcol
else:
np[i] = eventcolourlist[0]
return True
def remove_overlay(np, upto, clockin, clockout):
loop = range(n)
barupto = hourtoindex(upto, clockin, clockout)
rbarupto = n - barupto
for i in range(n):
np[i] = eventcolourlist[0]
if flip:
rev = True
for i in range(rbarupto+1, n): np[i] = overcol
else:
loop = reversed(loop)
rev = False
for i in range(barupto-1): np[i] = overcol
for i in loop:
if i <= barupto and rev == False:
np[i] = barcolourlist[0]
elif i >= rbarupto and rev == True:
np[i] = barcolourlist[0]
else:
np[i] = (0, 0, 0)
np.write()
time.sleep(0.01)
def progress_bar(np):
print("Entering Progress Bar Display Mode")
# When you plug in, update rather than wait until the stroke of the next minute
print("Connected to WiFi")
np[0] = (0, 10, 10)
np.write()
# Set time and initialise variables
dow, offset = set_time(worldtimeurl)
np[0] = (0, 10, 0)
np.write()
clockin = 0
clockout = 0
eventbool = False
lastloopwork = False
lastevent = False
appointment_times = []
check = checkgoogle
while True:
try:
# wipe led clean before adding the pixels that represent the bar
for i in range(n):
np[i] = (0, 0, 0)
now = time.gmtime()
hoursin = float(now[3])+float(now[4])/60 + float(now[5])/3600 # hours into the day
dayname = whatday(int(now[6]))
if ignorehardcoded == False:
clockin = float(schedule[dayname][0]['clockin'])
clockout = float(schedule[dayname][0]['clockout'])
if googlecalbool:
try:
if check >= checkgoogle:
check = 0
print('Updating from Google Calendar')
appointment_times = get_today_appointment_times(calendar, api_key, config.TIMEZONE)
eventbool = eventnow(hoursin, appointment_times)
if ignorehardcoded == True:
clockin = timetohour(appointment_times[0])
clockout = timetohour(appointment_times[len(appointment_times)-1])
except:
print('Scheduling issues / No calendar entries')
check += 1
working = atwork(clockin, clockout, hoursin)
print(f"Working={working}, clock-in={clockin}, clock-out={clockout}, hours in={hoursin}")
if working: # These only need to be added to the bar if you're working
if lastloopwork == False: anim_restore(np, hoursin, clockin, clockout)
bar(np, hoursin, clockin, clockout, eventbool)
if googlecalbool:
if twocolor:
if eventbool == False:
if lastevent:
remove_overlay(np, hoursin, clockin, clockout)
lastevent = False
if displayevents: addevents(np, appointment_times, clockin, clockout)
else: lastevent = draw_overlay(np, hoursin, appointment_times)
elif displayevents: addevents(np, appointment_times, clockin, clockout)
if flip: np = flipit(np, n)
np.write()
gc.collect() # clean up garbage in memory
if (lastloopwork) & (working == False):
# For event animations, use interrupts so that the time is exactly right
rainbow_cycle(np)
time.sleep(1)
off(np)
led.off()
machine_reset() # You were working last cycle, now you aren't - it's hometime
lastloopwork = working
time.sleep(checkevery)
except Exception as e:
print('Exception: ', e)
off(np)
time.sleep(1)
machine.reset()
except KeyboardInterrupt:
off(np)
def wifi_setup_mode():
print("Entering setup mode...")
def ap_index(request):
if request.headers.get("host") != AP_DOMAIN:
return render_template(f"{AP_TEMPLATE_PATH}/redirect.html", domain=AP_DOMAIN)
return render_template(f"{AP_TEMPLATE_PATH}/index.html")
def ap_configure(request):
print("Saving wifi credentials...")
with open(WIFI_FILE, "w") as f:
json.dump(request.form, f)
f.close()
# Reboot from new thread after we have responded to the user.
_thread.start_new_thread(machine_reset, ())
return render_template(f"{AP_TEMPLATE_PATH}/configured.html", ssid=request.form["ssid"])
def ap_catch_all(request):
if request.headers.get("host") != AP_DOMAIN:
return render_template(f"{AP_TEMPLATE_PATH}/redirect.html", domain=AP_DOMAIN)
return "Not found.", 404
server.add_route("/", handler=ap_index, methods=["GET"])
server.add_route("/configure", handler=ap_configure, methods=["POST"])
server.set_callback(ap_catch_all)
ap = access_point(AP_NAME)
ip = ap.ifconfig()[0]
dns.run_catchall(ip)
server.run()
# Figure out which mode to start up in...
def main():
np = neopixel.NeoPixel(machine.Pin(p), n)
np[0] = (0, 0, 10)
np.write()
try:
os.stat(WIFI_FILE)
# File was found, attempt to connect to wifi...
with open(WIFI_FILE) as f:
wifi_credentials = json.load(f)
ip_address = connect_to_wifi(wifi_credentials["ssid"], wifi_credentials["password"])
if not is_connected_to_wifi():
# Bad configuration, delete the credentials file, reboot
# into setup mode to get new credentials from the user.
print("Bad wifi connection!")
print(wifi_credentials)
if delwifi: os.remove(WIFI_FILE)
np[0] = (10, 0, 0)
np.write()
machine_reset()
print(f"Connected to wifi, IP address {ip_address}")
progress_bar(np) # Contains all the progress bar code
except Exception:
# Either no wifi configuration file found, or something went wrong,
# so go into setup mode
np[0] = (10, 10, 0)
np.write()
wifi_setup_mode()
if __name__ == "__main__":
main()