diff options
| author | Blaise Thompson <blaise@untzag.com> | 2021-03-09 11:23:15 -0600 |
|---|---|---|
| committer | Blaise Thompson <blaise@untzag.com> | 2021-03-09 11:23:15 -0600 |
| commit | 3181af7dafebdd233306e81625d65f99ef24501c (patch) | |
| tree | 19915c53fc7c604b16b00ab7c09739af10ac134f | |
| parent | cdad1085690f269a96803e7f49413a89686d6cb6 (diff) | |
firmware version 1
| -rw-r--r-- | firmware/main.py | 24 | ||||
| -rw-r--r-- | firmware/settings.py.example | 2 |
2 files changed, 16 insertions, 10 deletions
diff --git a/firmware/main.py b/firmware/main.py index 37ce957..fe5273b 100644 --- a/firmware/main.py +++ b/firmware/main.py @@ -1,6 +1,7 @@ import settings import sys +import machine from machine import Pin, I2C, WDT import network import time @@ -23,7 +24,6 @@ class BME680(HomieNode): def __init__(self, name="bme680", device=None): super().__init__(id="bme680", name=name, type="sensor") - self.wdt = WDT() self.device = device self.i2c = I2C(scl=Pin(5), sda=Pin(4)) self.bme680 = BME680_I2C(i2c=self.i2c) @@ -80,8 +80,14 @@ class BME680(HomieNode): self.start = time.time() async def update_data(self): - while True: + # wait until connected + for _ in range(60): + await sleep_ms(1_000) if self.device.mqtt.isconnected(): + break + # loop forever + while True: + while self.device.mqtt.isconnected(): self.last_online = time.time() self.online_led.on() self.led.value(0) # illuminate onboard LED @@ -91,14 +97,16 @@ class BME680(HomieNode): self.gas.data = str(self.bme680.gas) self.uptime.data = self.get_uptime() self.led.value(1) # onboard LED off - for _ in range(15): - self.wdt.feed() - await sleep_ms(1000) - else: + await sleep_ms(15_000) + while not self.device.mqtt.isconnected(): + if time.time() - self.last_online > 300: # 5 minutes + machine.reset() self.online_led.off() - if time.time() - self.last_online < 60: - self.wdt.feed() + self.led.value(0) # illuminate onboard LED + await sleep_ms(100) + self.led.value(1) # onboard LED off await sleep_ms(1000) + machine.reset() # if lost connection, restart def get_uptime(self): diff = int(time.time() - self.start) diff --git a/firmware/settings.py.example b/firmware/settings.py.example index b603a0a..092e2ea 100644 --- a/firmware/settings.py.example +++ b/firmware/settings.py.example @@ -5,6 +5,4 @@ MQTT_BROKER = "mqtt.chem.wisc.edu" MQTT_USERNAME = "username" MQTT_PASSWORD = "password" -WDT_DELAY = 1_000_000 - DEVICE_ID = "id" |