def main_enter_start(obj):
lcd.setColor(lcd.WHITE, lcd.BLACK)
lcd.setCursor(0, 0)
network.WLANcallback(None)
mainstate.stop()
if not exists('main.py'):
if exists('_main.py'):
os.rename('_main.py', 'main.py')
gc.collect()
import network, utime
start_time = utime.ticks_ms()
# ----------------------------------------------------------
# Define callback function used for monitoring wifi activity
# ----------------------------------------------------------
def wifi_cb(info):
if (info[2]):
msg = ", info: {}".format(info[2])
else:
msg = ""
print("{} [WiFi] event: {} ({}){}".format(utime.ticks_diff(utime.ticks_ms(), start_time), info[0], info[1], msg))
# Enable callbacks
network.WLANcallback(wifi_cb)
# --------------------------------------------------------------------
# Create two WLAN objects
# one will be used in STA (Station) mode, one in AP (acces point mode)
# --------------------------------------------------------------------
print("\n=== Create WLAN instance objects ===\n")
sta_if = network.WLAN(network.STA_IF)
ap_if = network.WLAN(network.AP_IF)
# Start STA WiFi interface
print("\n=== Activate STA ===================\n")
sta_if.active(True)
# Connect to access point
print("\n=== Connect to access point ========\n")
def wlan_evnet_cb(info):
print("[WiFi] event: {} ({})".format(info[0], info[1]))
if (info[2]):
print(" info: {}".format(info[2]))
event = info[0]
if event == 7: # Station got IP from connected AP
import m5go_cloud
m5go_cloud.mqtt.start()
elif event == 15: # Station connected to soft-AP
lcd.image(0, 0, '/flash/img/4-2.jpg')
lcd.qrcode('http://192.168.4.1', 126, 46, 175)
network.WLANcallback(wlan_evnet_cb)
def read_wificonfig():
ssid = ''
password = ''
data = ''
try:
with open('wificonfig.json') as f:
data = json.loads(f.read())
ssid = data['wifi']['ssid']
password = data['wifi']['password']
except:
return ['', '']
else:
return [ssid, password]
def main_enter_start(obj): lcd.setColor(lcd.WHITE, lcd.BLACK) lcd.setCursor(0, 0) network.WLANcallback(None) mainstate.stop() gc.collect()