kopia lustrzana https://github.com/micropython/micropython
109 wiersze
2.7 KiB
Python
109 wiersze
2.7 KiB
Python
# Test of a ESPnow echo server and client transferring data.
|
|
# This test works with ESP32 or ESP8266 as server or client.
|
|
|
|
try:
|
|
import network
|
|
import random
|
|
import espnow
|
|
except ImportError:
|
|
print("SKIP")
|
|
raise SystemExit
|
|
|
|
# Set read timeout to 5 seconds
|
|
timeout_ms = 5000
|
|
default_pmk = b"MicroPyth0nRules"
|
|
sync = True
|
|
|
|
|
|
def echo_server(e):
|
|
peers = []
|
|
i = 0
|
|
while True:
|
|
peer, msg = e.irecv(timeout_ms)
|
|
i += 1
|
|
if i % 10 == 0:
|
|
print("OK:", i)
|
|
if peer is None:
|
|
return
|
|
if peer not in peers:
|
|
peers.append(peer)
|
|
e.add_peer(peer)
|
|
|
|
# Echo the MAC and message back to the sender
|
|
if not e.send(peer, msg, sync):
|
|
print("ERROR: send() failed to", peer)
|
|
return
|
|
|
|
if msg == b"!done":
|
|
return
|
|
|
|
|
|
def echo_test(e, peer, msg, sync):
|
|
try:
|
|
if not e.send(peer, msg, sync):
|
|
print("ERROR: Send failed.")
|
|
return
|
|
except OSError as exc:
|
|
# Don't print exc as it is differs for esp32 and esp8266
|
|
print("ERROR: OSError:")
|
|
return
|
|
|
|
p2, msg2 = e.irecv(timeout_ms)
|
|
if msg2 != msg:
|
|
print("ERROR: Received != Sent")
|
|
|
|
|
|
def echo_client(e, peer, msglens):
|
|
for sync in [True]:
|
|
for msglen in msglens:
|
|
msg = bytearray(msglen)
|
|
if msglen > 0:
|
|
msg[0] = b"_"[0] # Random message must not start with '!'
|
|
for i in range(1, msglen):
|
|
msg[i] = random.getrandbits(8)
|
|
echo_test(e, peer, msg, sync)
|
|
|
|
|
|
def init(sta_active=True, ap_active=False):
|
|
wlans = [network.WLAN(i) for i in [network.STA_IF, network.AP_IF]]
|
|
e = espnow.ESPNow()
|
|
e.active(True)
|
|
e.set_pmk(default_pmk)
|
|
wlans[0].active(sta_active)
|
|
wlans[1].active(ap_active)
|
|
wlans[0].disconnect() # Force esp8266 STA interface to disconnect from AP
|
|
return e
|
|
|
|
|
|
# Server
|
|
def instance0():
|
|
e = init(True, False)
|
|
multitest.globals(PEERS=[network.WLAN(i).config("mac") for i in (0, 1)])
|
|
multitest.next()
|
|
print("Server Start")
|
|
echo_server(e)
|
|
print("Server Done")
|
|
e.active(False)
|
|
|
|
|
|
# Client
|
|
def instance1():
|
|
e = init(True, False)
|
|
multitest.next()
|
|
peer = PEERS[0]
|
|
e.add_peer(peer)
|
|
echo_test(e, peer, b"ping", True)
|
|
gc.collect()
|
|
mem_start = gc.mem_alloc()
|
|
for i in range(10):
|
|
echo_client(e, peer, [250] * 10)
|
|
print("OK:", (i + 1) * 10)
|
|
echo_test(e, peer, b"!done", True)
|
|
gc.collect()
|
|
mem_end = gc.mem_alloc()
|
|
if mem_end - mem_start < 1024:
|
|
print("OK: Less than 1024 bytes consumed")
|
|
else:
|
|
print("Error: Memory consumed is", mem_end - mem_start)
|
|
e.active(False)
|