'''
ESPNow Receiver

Receives 6 floats for ESPNow and prints the result to the serial port

2026-01-31 mchris
'''
import network
import espnow
import struct
import time

# A WLAN interface must be active to send()/recv()
sta = network.WLAN(network.WLAN.IF_STA)
sta.active(True)
sta.disconnect()   # Because ESP8266 auto-connects to last Access Point
print('MAC:', ':'.join(['%02x' % b for b in sta.config('mac')]))

e = espnow.ESPNow()
e.active(True)

print("timestamp, temperature, pressure, humidity, vbat, counter")

while True:
    host, msg = e.recv()
    if msg:             # msg == None if timeout in recv()
        #print(host, msg)
        floats = struct.unpack('<5f', msg)
        t = time.localtime()
        timestamp = "{:02d}:{:02d}:{:02d}".format(t[3], t[4], t[5])
        txt=timestamp
        for f in floats:
            txt=txt+", "+str(f)            
        print(txt)
        if msg == b'end':
            break