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Content ### Upcoming events Egg ### Author: Frans Faase, Renze Nicolai ### License: GPLv3 import ugfx, badge, gc, wifi, utime, appglue import urequests as requests schedule = {} # DRAW def draw_msg(title, desc): ugfx.clear(ugfx.WHITE) ugfx.string(0, 0, title, "PermanentMarker22", ugfx.BLACK) ugfx.string(0, 25, desc, "Roboto_Regular12", ugfx.BLACK) ugfx.set_lut(ugfx.LUT_FASTER) ugfx.flush() # BACK TO HOME def start_home(pushed): if(pushed): appglue.home() def nothing(pressed): ugfx.flush() pass # SCREEN: EVENT def screen_event_back(pressed): if (pressed): screen_eventselect() def screen_event_flip_left(pressed): if (pressed): screen_event() def screen_event_flip_right(pressed): if (pressed): screen_event_detail() def split_and_draw(x,y,text,max_lines,skip_lines): words = text.split() line = "" lc = 0 tl = 0 for i in range(0,len(words)): if len(words[i])>=50: print("What the?!?! This word is "+str(len(words[i]))+" characters long: "+words[i]) tl += 2 if skip_lines>0: skip_lines -= 1 elif lc<max_lines: ugfx.string(x, y, line, "Roboto_Regular12", ugfx.BLACK) y += 13 lc += 1 if skip_lines>0: skip_lines -= 1 elif lc<max_lines: ugfx.string(x, y, words[i], "Roboto_Regular12", ugfx.BLACK) y += 13 lc += 1 line = "" elif len(line+' '+words[i])<50: line += ' '+words[i] else: tl += 1 if skip_lines>0: skip_lines -= 1 elif lc<max_lines: ugfx.string(x, y, line, "Roboto_Regular12", ugfx.BLACK) y += 13 lc += 1 line = words[i] tl += 1 if skip_lines>0: skip_lines -= 1 elif lc<max_lines: ugfx.string(x, y, line, "Roboto_Regular12", ugfx.BLACK) return tl def screen_event_scroll(): ugfx.area(0,34,ugfx.width(),ugfx.height()-15-34,ugfx.WHITE) global scrollPos global schedule_event split_and_draw(0,35,schedule_event['abstract'],6,scrollPos) ugfx.flush() def screen_event_scroll_up(pressed): if pressed: global scrollPos if scrollPos>0: scrollPos -= 1 screen_event_scroll() def screen_event_scroll_down(pressed): if pressed: global scrollPos global scrollMax if scrollPos<scrollMax-6: scrollPos += 1 screen_event_scroll() def screen_event(): print("> Screen event") global schedule_event ugfx.clear(ugfx.WHITE) ugfx.string(0, 0, schedule_event['title'], "Roboto_Regular18", ugfx.BLACK) ugfx.string(0, 20, schedule_event['subtitle'], "Roboto_Regular12", ugfx.BLACK) ugfx.line(0,33,295,33, ugfx.BLACK) global scrollPos scrollPos = 0 global scrollMax scrollMax = split_and_draw(0,35,schedule_event['abstract'],6,0) ugfx.line(0,ugfx.height()-14,295,ugfx.height()-14, ugfx.BLACK) ugfx.string(0, ugfx.height()-12, "B: Back | START: Home | >: Details", "Roboto_Regular12", ugfx.BLACK) ugfx.input_attach(ugfx.JOY_UP, screen_event_scroll_up) ugfx.input_attach(ugfx.JOY_DOWN, screen_event_scroll_down) ugfx.input_attach(ugfx.JOY_LEFT, screen_event_flip_left) ugfx.input_attach(ugfx.JOY_RIGHT, screen_event_flip_right) ugfx.input_attach(ugfx.BTN_SELECT, nothing) ugfx.input_attach(ugfx.BTN_A, nothing) ugfx.input_attach(ugfx.BTN_B, screen_event_back ) ugfx.flush() def screen_event_detail(): print("> Screen event detail") global schedule_event ugfx.clear(ugfx.WHITE) ugfx.string(0, 0, schedule_event['title'], "Roboto_Regular18", ugfx.BLACK) ugfx.string(0, 20, schedule_event['subtitle'], "Roboto_Regular12", ugfx.BLACK) ugfx.line(0,33,295,33, ugfx.BLACK) ugfx.string(0, 35, "Type: "+schedule_event['type'], "Roboto_Regular12", ugfx.BLACK) if (schedule_event['do_not_record']): ugfx.string(0, 35+13, "Recording is not allowed!", "Roboto_Regular12", ugfx.BLACK) else: ugfx.string(0, 35+13, "Recording is allowed ("+schedule_event['recording_license']+").", "Roboto_Regular12", ugfx.BLACK) ugfx.string(0, 35+13*2, "Language: "+schedule_event['language'], "Roboto_Regular12", ugfx.BLACK) ugfx.string(0, 35+13*3, "Room: "+schedule_event['room'], "Roboto_Regular12", ugfx.BLACK) #Timezone correction localtimestamp = schedule_event['timestamp'] + (2*60*60) [year, month, day, hour, minute, second, weekday, yearday] = utime.localtime(localtimestamp) when = "%d-%d-%d %d:%d"% (day, month, year, hour, minute) ugfx.string(0, 35+13*4, "When: "+when, "Roboto_Regular12", ugfx.BLACK) ugfx.string(0, 35+13*5, "Duration: "+schedule_event['duration'], "Roboto_Regular12", ugfx.BLACK) ugfx.line(0,ugfx.height()-14,295,ugfx.height()-14, ugfx.BLACK) ugfx.string(0, ugfx.height()-12, "B: Back | START: Home | <: Abstract", "Roboto_Regular12", ugfx.BLACK) ugfx.input_attach(ugfx.JOY_UP, nothing) ugfx.input_attach(ugfx.JOY_DOWN, nothing) ugfx.input_attach(ugfx.JOY_LEFT, screen_event_flip_left) ugfx.input_attach(ugfx.JOY_RIGHT, screen_event_flip_right) ugfx.input_attach(ugfx.BTN_SELECT, nothing) ugfx.input_attach(ugfx.BTN_A, nothing) ugfx.input_attach(ugfx.BTN_B, screen_event_back ) ugfx.flush() def load_event(guid): draw_msg("Loading...", "Downloading JSON...") gc.collect() try: data = requests.get("https://badge.sha2017.org/schedule/event/"+guid+".json") except: draw_msg("Error", "Could not download JSON!") utime.sleep(5) screen_eventselect() return try: global schedule_event schedule_event = data.json() except: data.close() draw_msg("Error", "Could not decode JSON!") utime.sleep(5) screen_eventselect() return data.close() draw_msg("Loading...", "Rendering list...") screen_event() def program_main(): ugfx.init() ugfx.input_init() draw_msg("Welcome!","Starting app...") ugfx.input_attach(ugfx.BTN_START, start_home) draw_msg("Loading...", "WiFi: starting radio...") wifi.init() ssid = badge.nvs_get_str('badge', 'wifi.ssid', 'SHA2017-insecure') draw_msg("Loading...", "WiFi: connecting to '"+ssid+"'...") timeout = 100 while not wifi.sta_if.isconnected(): utime.sleep(0.1) timeout = timeout - 1 if (timeout<1): draw_msg("Error", "Timeout while connecting!") utime.sleep(5) start_home(True) break else: pass draw_msg("Loading...", "Downloading JSON...") gc.collect() try: data = requests.get("https://badge.sha2017.org/schedule/upcoming.json") except: draw_msg("Error", "Could not download JSON!") utime.sleep(5) start_home(True) if data.status_code == 404: draw_msg("Error", "Data not available on server") utime.sleep(5) start_home(True) unsorted_schedule = [] try: unsorted_schedule = data.json() except: data.close() draw_msg("Error", "Could not decode JSON!") utime.sleep(5) start_home(True) # sort schedule hy start time ignoring events that start before now global schedule schedule = [] [year, month, day, hour, minute, second, weekday, yearday] = utime.localtime(utime.time()) from_start = '{:02d}:{:02d}'.format(hour, minute) while True: next_start = "" for event in range(0, len(unsorted_schedule)): evstart = unsorted_schedule[event]['start'] if evstart > from_start and (next_start == "" or evstart < next_start): next_start = evstart if next_start == "": break; for event in range(0, len(unsorted_schedule)): evstart = unsorted_schedule[event]['start'] if evstart == next_start: schedule.append(unsorted_schedule[event]) from_start = next_start data.close() screen_eventselect() def screen_eventselect(): print("> Screen eventselect") global schedule global options ugfx.clear(ugfx.WHITE) title = "Select an event" ugfx.string(0, 0, title, "Roboto_Regular12", ugfx.BLACK) options = ugfx.List(0,15,ugfx.width(),ugfx.height()) for event in range(0, len(schedule)): #print("Adding event "+str(event)) evstart = schedule[event]['start'] evtitle = schedule[event]['title'] evroom = schedule[event]['room'] title = evstart + " " + evroom + ": " + evtitle if (len(title)>55): title = title[0:52]+"..." options.add_item("%s" % title) ugfx.input_attach(ugfx.JOY_UP, nothing) ugfx.input_attach(ugfx.JOY_DOWN, nothing) ugfx.input_attach(ugfx.JOY_LEFT, nothing) ugfx.input_attach(ugfx.JOY_RIGHT, nothing) ugfx.input_attach(ugfx.BTN_SELECT, nothing) ugfx.input_attach(ugfx.BTN_A, screen_eventselect_submit) ugfx.input_attach(ugfx.BTN_B, nothing ) ugfx.flush() def screen_eventselect_submit(pressed): if (pressed): global options option_id = options.selected_index() options.destroy() global schedule event = schedule[option_id] print("> load event: "+event['title']+" ("+event['guid']+")") load_event(event['guid']) # Start main application program_main()