def mqtt_post(httpClient, httpResponse):
"""
Send test message to MQTT server
"""
settings_dict = httpClient.ReadRequestContentAsJSON()
test_msg = ujson.dumps({'test-message': 200})
from mqtt_client import MQTT
try:
test_mqtt = MQTT(settings_dict)
test_mqtt.publish(test_msg)
except:
httpResponse.WriteResponseInternalServerError()
else:
httpResponse.WriteResponseOk()
def mqtt_post(httpClient, httpResponse):
"""
Send test message to MQTT server
"""
settings_dict = httpClient.ReadRequestContentAsJSON()
test_msg = {'test-message': 200}
str_data = ujson.dumps(test_msg)
from mqtt_client import MQTT
try:
client = MQTT(settings_dict)
client.publish(str_data)
except:
print('Failed to send the message to the MQTT broker.')
httpResponse.WriteResponseInternalServerError()
else:
print('The test message has been sent successfully.')
httpResponse.WriteResponseOk()
def main(ini):
loop = asyncio.get_event_loop()
broker = ini.get("MQTT", "broker")
certfile = ini.get("MQTT", "certfile")
mqtt = MQTT(loop, broker)
if certfile != "none":
mqtt.set_certfile(certfile)
dbHost = ini.get("postgres", "host")
dbName = ini.get("postgres", "dbname")
dbUser = ini.get("postgres", "user")
dbPasswd = ini.get("postgres", "password")
#run:
tasks = [
mqtt.main_coro(),
main_coro(mqtt, dbHost, dbName, dbUser, dbPasswd)
]
loop.run_until_complete(asyncio.gather(*tasks))
def main(ini):
loop = asyncio.get_event_loop()
broker = ini.get("MQTT", "broker")
certfile = ini.get("MQTT", "certfile")
mqtt = MQTT(loop, broker)
if certfile!="none":
mqtt.set_certfile(certfile)
sensorid = ini.getint("sensor", "ID")
gpio_port = ini.getint("sensor", "GPIO_BCM_Port")
#run:
tasks = [
mqtt.main_coro(debug=DEBUG, stopLoop=True),
sensor.maincoro(loop, mqtt, sensorid, gpio_port),
init(mqtt)
]
loop.run_until_complete(asyncio.gather(*tasks))#waits untill all tasks are complete
loop.close()
ap_ip_addr = wifi.get_ap_ip_addr()
logger.debug('AP IP address: ' + ap_ip_addr)
# get the Station IP of ESP32 in the WLAN which ESP32 connects to
if settings['wifi'].get('ssid'):
sta_ip_addr = wifi.sta_connect(settings['wifi']['ssid'],
settings['wifi']['pass'],
verify_ap=True)
if sta_ip_addr:
logger.debug('STA IP address: ' + sta_ip_addr)
# print current local date & time
logger.debug('Date: ' + rtc.get_localdate())
logger.debug('Time: ' + rtc.get_localtime())
# initialize the MQTT module
logger.debug('Initializing MQTT...')
mqtt = MQTT(settings)
# initialize the fermentation process
logger.debug('Initializing main process logic...')
main_process = Process(fermenter_temp_ctrl, process_tim, recovery, wifi, mqtt)
# Set up HTTP server
logger.debug('Initializing Web server...')
web = HttpServer(main_process, wifi, rtc, settings)
web.start()
utime.sleep(3)
if web.is_started():
logger.debug('HTTP service has started.')
led.set_color('green') # 初始化全部完成后设置为绿色，表示处于待机状态
# Set up DNS Server
sg = round(gravity, 3)
plato = round((-1 * 616.868) + (1111.14 * gravity) -
(630.272 * gravity**2) + (135.997 * gravity**3), 1)
if wifi.is_connected():
# 5.1. Send Specific Gravity data & battery level by MQTT
if send_data_to_mqtt:
from mqtt_client import MQTT
hydrometer_dict = {
'temperature': temp,
'sg': sg,
'plato': plato,
'battery': battery_voltage
}
mqtt_data = ujson.dumps(hydrometer_dict)
client = MQTT(settings)
client.publish(mqtt_data)
# 5.2. Send Specific Gravity data & battery level to Fermenter ESP32 by HTTP
else:
machine_id = int.from_bytes(machine.unique_id(), 'big')
hydrometer_dict = {
'name': settings.get('apSsid'),
'ID': machine_id,
'temperature': temp,
'angle': tilt,
'battery': battery_voltage,
'fahrenheit': round(temp * 1.8 + 32, 1),
'currentGravity': sg,
'currentPlato': plato,
'batteryLevel': battery_percent,
'updateIntervalMs': int(settings['deepSleepIntervalMs'])