import ugfx, gc, wifi, badge, deepsleep, utime, appglue, sys, easyrtc from time import * import urequests as requests # Make sure WiFi is connected wifi.init() badge.init() badge.vibrator_init() badge.leds_init() ugfx.init() CHECKUP_INTERVAL = 10 MESSAGE_DISPLAY_TIME = 5 LED_SIGNAL_PATTERN = bytes([0, 0, 0, 0, 0, 0, 154, 1, 77, 91, 219, 1, 126, 44, 82, 1, 154, 66, 73, 1, 185, 6, 57, 1, 255, 255, 255, 255, 255, 255, 255]) WIFI_LOST_LED_PATTERN = bytes([255, 0, 0, 255, 0, 0, 255, 0, 0, 255, 0, 0, 255, 0, 0, 255, 0, 0]) LED_OFF_PATTERN = bytes([1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]) next_checkup = easyrtc.time.time() + CHECKUP_INTERVAL message_displayed_flag = False def connect_wifi(show_screen): """Wait for WiFi connection""" if show_screen: ugfx.clear(ugfx.WHITE) ugfx.string(10, 10, "Waiting for wifi...", "Roboto_Regular12", 0) ugfx.string(15, 70, "Press START to exit", "Roboto_Regular12", 0) ugfx.flush() else: # show wifi interruption badge.leds_send_data(WIFI_LOST_LED_PATTERN) # try to reconnect while not wifi.sta_if.isconnected(): sleep(0.1) pass if not show_screen: badge.leds_send_data(LED_OFF_PATTERN) def home(): """return to launcher""" badge.eink_busy_wait() appglue.home() def message_signal(enable): """blink led's to signal incomming messages""" print("blink " + str(enable)) if enable: badge.leds_send_data(LED_SIGNAL_PATTERN) for i in range(0, 3): badge.vibrator_activate(255) sleep(0.3) badge.vibrator_activate(0) else: badge.leds_send_data(LED_OFF_PATTERN) def display_message(title, content): ugfx.clear() ugfx.string(15, 5, title, "Roboto_Regular12", 0) if len(content) <= 22: ugfx.string(15, 30, content, "Roboto_Regular22", 0) elif len(content) <= 44: ugfx.string(15, 30, content[0:21], "Roboto_Regular22", 0) ugfx.string(15, 55, content[21:len(content)], "Roboto_Regular22", 0) else: ugfx.string(15, 30, content[0:21], "Roboto_Regular22", 0) ugfx.string(15, 55, content[21:43], "Roboto_Regular22", 0) ugfx.string(15, 75, content[43:len(content)], "Roboto_Regular22", 0) ugfx.string(15, 100, "Press START to exit", "Roboto_Regular12", 0) ugfx.flush(ugfx.LUT_FULL) # set cancel button ugfx.input_init() ugfx.input_attach(ugfx.BTN_START, lambda pressed: home()) connect_wifi(True) # loading screen ugfx.clear(ugfx.WHITE) ugfx.string(10, 10, "Getting latest updates from the Travellers Village ...", "Roboto_Regular12", 0) ugfx.string(15, 70, "Press START to exit", "Roboto_Regular12", 0) ugfx.flush() # fetching data data = [] newdata = [] next_message_timestamp = sys.maxsize while True: print("time " + str(easyrtc.time.time())) print("next message timestamp " + str(next_message_timestamp)) print("messages saved "+ str(len(data))) # displaying data if next message timestamp is now or in the past and messages are saved if next_message_timestamp <= easyrtc.time.time() and not len(data) <= 0: print("messages to display") # find youngest message youngest_message_ind, youngest_message_showAt = (0, sys.maxsize) for ind, message in enumerate(data): if message["showAt"] < youngest_message_showAt: youngest_message_ind, youngest_message_showAt = (ind, message["showAt"]) message_to_display = data[youngest_message_ind] print("display message index " + str(youngest_message_ind) + " at " + str(youngest_message_showAt)) print("content " + message_to_display["title"]) # display youngest message display_message(message_to_display["title"], message_to_display["content"]) message_signal(True) sleep(MESSAGE_DISPLAY_TIME) message_signal(False) message_displayed_flag = True next_message_timestamp = sys.maxsize # remove youngest message del data[youngest_message_ind] elif not message_displayed_flag: # display "no new messages" if no message is due ugfx.clear() ugfx.string(15, 5, "No new messages", "Roboto_Regular22", 0) ugfx.string(15, 70, "Press START to exit", "Roboto_Regular12", 0) ugfx.flush(ugfx.LUT_FULL) message_displayed_flag = False try: # get new messages url = "http://badge.jonasleitner.de" r = requests.get(url) gc.collect() newdata = r.json() r.close() except: print("connection failed!") """ugfx.clear(ugfx.WHITE) ugfx.string(10, 10, "Failed to retrieve message!", "Roboto_Regular12", 0) ugfx.string(15, 70, "Press START to exit", "Roboto_Regular12", 0) ugfx.flush() sleep(0.5) """ connect_wifi(False) # message_displayed_flag = False continue print("got data") if newdata: print("got newdata") if newdata["messages"]: print("got messages") # only save data if it is not empty, else keep old data data = newdata["messages"] # ugfx.clear() # ugfx.string(15, 5, "Got new messages", "Roboto_Regular22", 0) # ugfx.string(15, 70, str(len(data)), "Roboto_Regular12", 0) # ugfx.flush(ugfx.LUT_FULL) # find and save next message timestamp for message in data: if message["showAt"] < next_message_timestamp: next_message_timestamp = message["showAt"] print("next message time stamp: " + str(next_message_timestamp)) else: next_message_timestamp = sys.maxsize # calculate sleep time sleep_until = easyrtc.time.time() + CHECKUP_INTERVAL sleep_time = CHECKUP_INTERVAL if next_message_timestamp < sleep_until: sleep_time = max(next_message_timestamp - easyrtc.time.time(), 1) print("sleep time " + str(sleep_time)) # ugfx.clear() # ugfx.string(15, 5, "Sleeping for " + str(sleep_time), "Roboto_Regular22", 0) # ugfx.string(15, 70, "Sleeping till " + str(sleep_until), "Roboto_Regular12", 0) # ugfx.flush(ugfx.LUT_FULL) sleep(sleep_time) #badge.eink_busy_wait() #deepsleep.start_sleeping(5000)