M5Core2 display images through HTTP request

M5Core2-display-image.py

import urequests
import time
import wifiCfg
from m5stack import lv, rtc

wifiCfg.auto_connect()

ticks_ms = 0
old_tick = 0

scr = lv.scr_act()
scr.clean()

style = lv.style_t()
style.init()

img = lv.img(scr)
time_label = lv.label(scr)

style.set_text_color(lv.STATE.DEFAULT, lv.color_hex(0xff0000))
time_label.add_style(time_label.PART.MAIN, style)

style.set_text_font(lv.STATE.DEFAULT, lv.font_montserrat_20)
time_label.add_style(time_label.PART.MAIN, style)

while True:
    if wifiCfg.is_connected():
        ticks_ms = time.ticks_ms()
        if time.ticks_diff(ticks_ms, old_tick) > 40000:
            old_tick = ticks_ms
            try:
                # Only support PNG format image
                req = urequests.get("http://xxxxxx.xxxxxx.com/xxxxxxxx.png")
                if (req.status_code) == 200:
                    img_dsc = lv.img_dsc_t({"data_size": len(req.content),
                                            "data": req.content})
                    img.set_src(img_dsc)
                    rtc_time = list(rtc.printRTCtime())
                    time_label.set_text(''.join(rtc_time))
                    time_label.align(None, lv.ALIGN.IN_TOP_MID, 0, 0)
                    # Save to SD card.
                    # rtc_time[10] = '-'
                    # rtc_time[13] = '-'
                    # rtc_time[16] = '-'
                    # file_name = "/sd/timer-cam/" + ''.join(rtc_time[8:19]) + '.png'
                    # img_save = open(file_name, "wb")
                    # img_save.write(req.content)
                    # img_save.close()
                    del img_dsc
            except (KeyboardInterrupt, Exception) as e:
                print('caught exception {} {}'.format(type(e).__name__, e))
    else:
        wifiCfg.auto_connect()