def reset(spi1, cs, force=False, reply=5):
if force == False and __class__.isconnected():
return True
try:
# create wiznet5k nic
__class__.nic = network.WIZNET5K(spi=spi1, cs=cs)
# time.sleep_ms(500) # wait at ready to connect
except Exception as e:
print(e)
return False
return True
def main():
import network, pyb
nic = network.WIZNET5K(pyb.SPI(1), pyb.Pin.board.A3, pyb.Pin.board.A4)
while not nic.isconnected():
pass
nic.active(1)
nic.ifconfig(
('192.168.178.135', '255.255.255.0', '192.168.178.1', '192.168.178.1'))
ip_address_v4 = nic.ifconfig()[0]
s = socket.socket()
ai = socket.getaddrinfo(ip_address_v4, 80)
print("Bind address info:", ai)
addr = ai[0][-1]
print("IP Address: ", addr)
s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
s.bind(addr)
s.listen(5)
print("Listening, connect your browser to http://<this_host>:80/")
counter = 0
while True:
sock, addr = s.accept()
#s.setblocking(False)
print("Client address:", addr)
stream = sock.makefile("rwb")
req = stream.readline().decode("ascii")
method, path, protocol = req.split(" ")
print("Got", method, "request for", path)
while True:
h = stream.readline().decode("ascii").strip()
if h == "":
break
print("Got HTTP header:", h)
stream.write((CONTENT % counter).encode("ascii"))
stream.close()
sock.close()
counter += 1
print()
版本：v1.0
日期：2019.11
作者：01Studio
说明：通过Socket编程实现pyBoard+W5500以太网模块连接网络。
'''
import network, usocket, pyb
from machine import I2C, Pin
from ssd1306 import SSD1306_I2C
#初始化相关模块，OLED引脚换成了Y9、Y10
i2c = I2C(sda=Pin('Y10'), scl=Pin('Y9'))
oled = SSD1306_I2C(128, 64, i2c, addr=0x3c)
#以太网模块初始化
nic = network.WIZNET5K(pyb.SPI(2), 'Y5', 'Y4')
nic.active(True)
nic.ifconfig('dhcp')
#判断网络是否连接成功
if nic.isconnected():
print(nic.ifconfig()) #打印IP信息
#OLED数据显示
oled.fill(0) #清屏背景黑色
oled.text('IP/Subnet/GW:', 0, 0)
oled.text(nic.ifconfig()[0], 0, 20)
oled.text(nic.ifconfig()[1], 0, 38)
oled.text(nic.ifconfig()[2], 0, 56)
oled.show()
#######################################
addr = (server_ip, server_port)
spi1 = SPI(4,
mode=SPI.MODE_MASTER,
baudrate=600 * 1000,
polarity=0,
phase=0,
bits=8,
firstbit=SPI.MSB,
sck=WIZNET5K_SPI_SCK,
mosi=WIZNET5K_SPI_MOSI,
miso=WIZNET5K_SPI_MISO)
# create wiznet5k nic
nic = network.WIZNET5K(spi=spi1, cs=WIZNET5K_SPI_CS)
print("Static IP: ", nic.ifconfig())
############################# UDP Test ##############################
# The server must first know the client's IP and port number through the message sent by the client before it send the message to the client
sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
sock.settimeout(5)
while True:
sock.sendto("Client send: hello UDP\n".encode(), addr)
try:
data, addr1 = sock.recvfrom(10)
print("Recv from server: ", data)
except Exception as e:
pass
time.sleep_ms(500)
def init_network(self):
self._log.debug("Hal: Init")
ip_address_v4 = None
#connect to database
_dbc.connect()
#Get network record key
try:
network = db.networkTable.getrow()
except (OSError, StopIteration):
network = None
self._log.debug("Hal: Network Table StopIteration")
# check for network record
if network:
self._log.debug("Hal: init, network record present")
else:
self._log.debug("Hal: init, network record missing")
_dbc.close()
if self._utils.get_platform() == 'linux':
self._log.debug("Hal: linux")
if network: return True
else: return False
elif self._utils.get_platform() == 'pyboard':
self._log.debug("Hal: pyboard")
import pyb, network as ethernet
if network:
board = self.board()
if network['spi'] == 0:
self._log.debug(
"Hal: pyboard, spi is empty: trying default!")
if board == "PYBv3 with STM32F405RG":
# connect to default setup
core._nic = ethernet.WIZNET5K(pyb.SPI(1),
pyb.Pin.board.A3,
pyb.Pin.board.A4)
# wait to connect
import utime
cnt = 0
while not core._nic.isconnected():
if cnt > 10: break
cnt += 1
utime.sleep(1)
if not core._nic.isconnected():
self._log.debug(
"Hal: pyboard, spi is empty: no default setup!"
)
return False
else:
self._log.debug(
"Hal: pyboard, spi is empty: unknown board: " +
board)
return False
if not core._nic:
if board == "PYBv3 with STM32F405RG":
core._nic = ethernet.WIZNET5K(pyb.SPI(network['spi']),
network['pin_cs'],
network['pin_rst'])
else:
self._log.debug("Hal: pyboard, unknown board: " +
board)
return False
while not core._nic.isconnected():
pass
#core._nic.active(1)
self._nic = core._nic
if network['ip']:
self._nic.ifconfig((network['ip'], network['subnet'],
network['gateway'], network['dns']))
else:
try:
self._nic.ifconfig('dhcp')
except OSError as e:
self._log.debug("Hal: pyboard network init OSError: " +
repr(e))
return False
ip_address_v4 = self._nic.ifconfig()[0]
self._log.debug("Hal: pyboard, ip: " + ip_address_v4)
else:
self._log.debug("Hal: pyboard, network record empty")
return False
elif self._utils.get_platform() == 'esp32':
self._log.debug("Hal: esp32")
if network:
import network as wifi
# AP mode
self._nic = wifi.WLAN(wifi.STA_IF)
core._nic = self._nic
self._nic.active(True)
# SSID already set?
if not network['ssid']:
self._log.debug("Hal: esp32, ssid empty")
# No ssid set yet, let's connect to the strongest unencrypted wifi ap possible
wlan_list = self._nic.scan()
# parse list, find the strongest open network
strength = -500
wlan_ap = None
for wlan in wlan_list:
self._log.debug("Hal: esp32, Scan: Ssid found: " +
str(wlan[0], 'utf8') + " Strength: " +
str(wlan[3]) + ' dBm' + " Security: " +
str(wlan[4]))
if wlan[3] > strength and wlan[4] == 0:
strength = wlan[3]
wlan_ap = str(wlan[0], 'utf8')
self._log.debug(
"Hal: esp32, Scan: Open ssid found: " +
wlan_ap)
if wlan_ap == None:
return False
else:
#Activate station
if not self._nic.isconnected():
self._nic.connect(wlan_ap)
while not self._nic.isconnected():
pass
else:
#Activate station
if not self._nic.isconnected():
self._nic.connect(network['ssid'], network['key'])
while not self._nic.isconnected():
pass
ip_address_v4 = self._nic.ifconfig()[0]
self._log.debug("Hal: esp32, ip: " + ip_address_v4)
#deactivate AP
ap_if = wifi.WLAN(wifi.AP_IF)
ap_if.active(False)
elif self._utils.get_platform() == 'esp8266':
if network:
if not network['ssid']:
self._log.debug("Hal: esp8266, ssid empty")
return False
import network as wifi
#Activate station
self._nic = wifi.WLAN(wifi.STA_IF)
core._nic = self._nic
if not self._nic.isconnected():
self._nic.active(True)
self._nic.connect(network['ssid'], network['key'])
while not self._nic.isconnected():
pass
ip_address_v4 = self._nic.ifconfig()[0]
self._log.debug("Hal: esp8266, ip: " + ip_address_v4)
#deactivate AP
ap_if = wifi.WLAN(wifi.AP_IF)
ap_if.active(False)
else:
self._log.debug("Hal: failure")
self._nic = None
return False
if ip_address_v4:
self._log.debug("Hal: nic present")
return True
else:
self._log.debug("Hal: nic not present")
return False
import machine
import utime as time
import network
import pyb
from pyb import Timer, Pin, I2C
import uasyncio as asyncio
nic = network.WIZNET5K(machine.SPI(1), machine.Pin('A4', machine.Pin.OUT),
machine.Pin('C5', machine.Pin.OUT))
nic.ifconfig(('192.168.1.42', '255.255.255.0', '192.168.1.1', '8.8.8.8'))
backplaneI2C = I2C(1, I2C.MASTER, baudrate=200000)
robotI2C = I2C(2, I2C.MASTER, baudrate=200000)
blueLed = machine.Pin('B4', machine.Pin.OUT)
greenLed = machine.Pin('A15', machine.Pin.OUT)
def getTime():
return time.ticks_ms()
class Sensor:
def __init__(self, collectFunction):
self.data = 0
self.lastCollectionTime = 0
self.cacheDuration = 100
self.collectFunction = collectFunction
def value(self):
if time.ticks_diff(getTime(),
说明：通过Socket编程实现pyBoard+W5500以太网模块与电脑服务器助手建立TCP连接，相互收发数据。
'''
import network,usocket,pyb
from machine import I2C,Pin
from ssd1306 import SSD1306_I2C
#初始化相关模块
i2c = I2C(sda=Pin('Y10'), scl=Pin('Y9'))
oled = SSD1306_I2C(128, 64, i2c, addr=0x3c)
#socket数据接收中断标志位
socket_node = 0
#初始化以太网模块
nic = network.WIZNET5K(pyb.SPI(2), pyb.Pin.board.Y5, pyb.Pin.board.Y4)
nic.active(True)
nic.ifconfig('dhcp')
#判断网络是否连接成功
if nic.isconnected():
print(nic.ifconfig()) #打印IP信息
#OLED数据显示
oled.fill(0) #清屏背景黑色
oled.text('IP/Subnet/GW:',0,0)
oled.text(nic.ifconfig()[0], 0, 20)
oled.text(nic.ifconfig()[1],0,38)
oled.text(nic.ifconfig()[2],0,56)
oled.show()
# wizntp
# ntp time base is 1900, posix 1970, micropython 2000
import pyb
import network
import struct
import time
nic = network.WIZNET5K(pyb.SPI(1), pyb.Pin.board.X5, pyb.Pin.board.X4)
#nic.ifconfig(('192.168.1.16', '255.255.255.0', '192.168.1.1', '75.75.75.75'))
#pyb.delay(300) # wait for ifconfig
rtc = pyb.RTC()
# now use socket as usual
from socket import *
TIME2000 = 3155702400 - 4 * 3600 # timezone
client = socket(AF_INET, SOCK_DGRAM)
query = bytearray(48)
query[0] = 0x1b
client.sendto(query, ('192.168.1.4', 123))
data, address = client.recvfrom(1024)
t = struct.unpack('!I', data[40:]) # hack unpack for micropy
t = t[0] - TIME2000
d = time.localtime(t)
rtc.datetime(
(d[0], d[1], d[2], 1, d[3], d[4], d[5], 0)) # set rtc day of week bogus
print('rtc', rtc.datetime())
pyb.delay(5000)
print('rtc', rtc.datetime())
def init_network(self, mode = core.NET_STA):
self._log.debug("Hal: Init")
ip_address_v4 = None
#connect to database
_dbc.connect()
#Get network record key
try:
network = db.networkTable.getrow()
except (OSError, StopIteration):
network = None
self._log.debug("Hal: Network Table StopIteration")
return False
# check for network record
if network:
self._log.debug("Hal: init, network record present")
else:
self._log.debug("Hal: init, network record missing")
return False
_dbc.close()
if self._utils.get_platform() == 'linux':
self._log.debug("Hal: linux")
core.initial_upyeasywifi = core.NET_ETH
if network: return True
else: return False
elif self._utils.get_platform() == 'pyboard':
self._log.debug("Hal: pyboard")
import pyb, network as ethernet
if network:
# run in ethernet mode
core.initial_upyeasywifi = core.NET_ETH
# get board type
board = self.board()
if network['spi'] == 0:
self._log.warning("Hal: pyboard, spi is empty: trying default!")
if board == "PYBv3 with STM32F405RG":
# connect to default setup
core._nic = ethernet.WIZNET5K(pyb.SPI(1), pyb.Pin.board.A3, pyb.Pin.board.A4)
# wait to connect
import utime
cnt = 0
while not core._nic.isconnected():
if cnt > 10: break
cnt += 1
utime.sleep(1)
if not core._nic.isconnected():
self._log.error("Hal: pyboard, spi is empty: no default setup!")
return False
else:
self._log.error("Hal: pyboard, spi is empty: unknown board: "+ board)
return False
if not core._nic:
if board == "PYBv3 with STM32F405RG":
self._log.debug("Hal: Board: "+ board)
core._nic = ethernet.WIZNET5K(pyb.SPI(network['spi']), network['cs'], network['rst'])
else:
self._log.error("Hal: pyboard, unknown board: "+ board)
return False
while not core._nic.isconnected():
pass
core._nic.active(1)
self._nic = core._nic
if network['ip']:
self._nic.ifconfig((network['ip'], network['subnet'], network['gateway'], network['dns']))
else:
try:
self._nic.ifconfig('dhcp')
except (OSError, TypeError) as e:
self._log.error("Hal: pyboard network init Error: "+repr(e))
return False
ip_address_v4 = self._nic.ifconfig()[0]
self._log.debug("Hal: pyboard, ip: "+ip_address_v4)
else:
self._log.error("Hal: pyboard, network record empty")
return False
elif self._utils.get_platform() == 'esp32':
self._log.debug("Hal: esp32")
if network:
import network as wifi
# SSID already set?
if network['mode'] == core.NET_AP or (network['mode'] == core.NET_STA and not network['ssid']):
self._log.error("Hal: esp32, ssid empty")
# No ssid set yet, goto AP mode!
self._log.warning("Hal: init esp32 network: AP mode")
self._nic = wifi.WLAN(wifi.AP_IF)
core._nic = self._nic
self._nic.active(True)
machinename = self._utils.get_upyeasy_name()
if machinename == core.initial_upyeasyname:
ssidname = "{}-{}".format(core.initial_upyeasyname,self._utils.get_machine_id())
else:
ssidname = "{}-{}".format(core.initial_upyeasyname,machinename)
self._nic.config(essid=ssidname)
ip_address_v4 = self._nic.ifconfig()[0]
core.initial_upyeasywifi = core.NET_AP
else:
# STA mode
self._log.debug("Hal: init esp32 network: STA mode")
self._nic = wifi.WLAN(wifi.STA_IF)
core._nic = self._nic
self._nic.active(True)
#Activate station
if not self._nic.isconnected():
self._nic.connect(network['ssid'], network['key'])
# get start time
nicstart = self.get_time_sec()
import utime
# wait until connected or 30s timeout
while not self._nic.isconnected():
# wait 1sec
utime.sleep(1)
# get current sec time
nicnow = self.get_time_sec()
# timeout reached?
if nicnow > nicstart+30:
break
if self._nic.isconnected():
# if ip address set: use it!
if network['ip']:
self._nic.ifconfig((network['ip'], network['subnet'], network['gateway'], network['dns']))
# get ip address
ip_address_v4 = self._nic.ifconfig()[0]
# network mode STA+AP
if network['mode']=='STA+AP':
self._log.debug("Hal: init esp32 network: STA+AP mode")
self._apnic = wifi.WLAN(wifi.AP_IF)
self._apnic.active(True)
machinename = self._utils.get_upyeasy_name()
if machinename == core.initial_upyeasyname:
ssidname = "{}-{}".format(core.initial_upyeasyname,self._utils.get_machine_id())
else:
ssidname = "{}-{}".format(core.initial_upyeasyname,machinename)
self._apnic.config(essid=ssidname)
core.initial_upyeasywifi = core.NET_STA_AP
else:
core.initial_upyeasywifi = core.NET_STA
else:
self._log.warning("Hal: esp32, wifi connect attempts unsuccesfull, going to AP mode")
# disconnect nic to prevent endless wifi connect trials
self._nic.disconnect()
# goto AP mode!
self._log.debug("Hal: init esp32 network: AP mode")
self._nic = wifi.WLAN(wifi.AP_IF)
core._nic = self._nic
self._nic.active(True)
machinename = self._utils.get_upyeasy_name()
if machinename == core.initial_upyeasyname:
ssidname = "{}-{}".format(core.initial_upyeasyname,self._utils.get_machine_id())
else:
ssidname = "{}-{}".format(core.initial_upyeasyname,machinename)
self._nic.config(essid=ssidname)
ip_address_v4 = self._nic.ifconfig()[0]
core.initial_upyeasywifi = core.NET_AP
self._log.debug("Hal: esp32, ip: "+ip_address_v4)
else:
self._log.error("Hal: esp32 network db record not available")
elif self._utils.get_platform() == 'esp8266':
if network:
if not network['ssid']:
self._log.debug("Hal: esp8266, ssid empty")
return False
import network as wifi
#Activate station
self._nic = wifi.WLAN(wifi.STA_IF)
core._nic = self._nic
if not self._nic.isconnected():
self._nic.active(True)
self._nic.connect(network['ssid'], network['key'])
while not self._nic.isconnected():
pass
ip_address_v4 = self._nic.ifconfig()[0]
self._log.debug("Hal: esp8266, ip: "+ip_address_v4)
#deactivate AP
ap_if = wifi.WLAN(wifi.AP_IF)
ap_if.active(False)
else:
self._log.error("Hal: failure")
self._nic = None
return False
if ip_address_v4:
self._log.debug("Hal: nic present")
return True
else:
self._log.error("Hal: nic not present")
return False
def init_network(self):
self._log.debug("Hal: Init")
ip_address_v4 = None
#connect to database
_dbc.connect()
#Get network record key
try:
network = db.networkTable.getrow()
except (OSError, StopIteration):
network = None
self._log.debug("Hal: Network Table StopIteration")
# check for network record
if network:
self._log.debug("Hal: init, network record present")
else:
self._log.debug("Hal: init, network record missing")
_dbc.close()
if self._utils.get_platform() == 'linux':
self._log.debug("Hal: linux")
if network: return True
else: return False
elif self._utils.get_platform() == 'pyboard':
self._log.debug("Hal: pyboard")
import pyb, network as ethernet
if network:
board = self.board()
if network['spi'] == 0:
self._log.debug(
"Hal: pyboard, spi is empty: trying default!")
if board == "PYBv3 with STM32F405RG":
# connect to default setup
core._nic = ethernet.WIZNET5K(pyb.SPI(1),
pyb.Pin.board.A3,
pyb.Pin.board.A4)
# wait to connect
import utime
cnt = 0
while not core._nic.isconnected():
if cnt > 10: break
cnt += 1
utime.sleep(1)
if not core._nic.isconnected():
self._log.debug(
"Hal: pyboard, spi is empty: no default setup!"
)
return False
else:
self._log.debug(
"Hal: pyboard, spi is empty: unknown board: " +
board)
return False
if not core._nic:
if board == "PYBv3 with STM32F405RG":
core._nic = ethernet.WIZNET5K(pyb.SPI(network['spi']),
network['cs'],
network['rst'])
else:
self._log.debug("Hal: pyboard, unknown board: " +
board)
return False
while not core._nic.isconnected():
pass
#core._nic.active(1)
self._nic = core._nic
if network['ip']:
self._nic.ifconfig((network['ip'], network['subnet'],
network['gateway'], network['dns']))
else:
try:
self._nic.ifconfig('dhcp')
except (OSError, TypeError) as e:
self._log.debug("Hal: pyboard network init Error: " +
repr(e))
return False
ip_address_v4 = self._nic.ifconfig()[0]
self._log.debug("Hal: pyboard, ip: " + ip_address_v4)
else:
self._log.debug("Hal: pyboard, network record empty")
return False
elif self._utils.get_platform() == 'esp32':
self._log.debug("Hal: esp32")
if network:
import network as wifi
# SSID already set?
if not network['ssid']:
self._log.debug("Hal: esp32, ssid empty")
# No ssid set yet, goto AP mode!
self._nic = wifi.WLAN(wifi.AP_IF)
core._nic = self._nic
self._nic.active(True)
self._nic.config(essid="uPyEasy")
core.initial_upyeasywifi = "AP"
else:
# STA mode
self._nic = wifi.WLAN(wifi.STA_IF)
core._nic = self._nic
self._nic.active(True)
#Activate station
if not self._nic.isconnected():
self._nic.connect(network['ssid'], network['key'])
while not self._nic.isconnected():
pass
# if ip address set: use it!
if network['ip']:
self._nic.ifconfig(
(network['ip'], network['subnet'],
network['gateway'], network['dns']))
core.initial_upyeasywifi = "STA"
ip_address_v4 = self._nic.ifconfig()[0]
self._log.debug("Hal: esp32, ip: " + ip_address_v4)
elif self._utils.get_platform() == 'esp8266':
if network:
if not network['ssid']:
self._log.debug("Hal: esp8266, ssid empty")
return False
import network as wifi
#Activate station
self._nic = wifi.WLAN(wifi.STA_IF)
core._nic = self._nic
if not self._nic.isconnected():
self._nic.active(True)
self._nic.connect(network['ssid'], network['key'])
while not self._nic.isconnected():
pass
ip_address_v4 = self._nic.ifconfig()[0]
self._log.debug("Hal: esp8266, ip: " + ip_address_v4)
#deactivate AP
ap_if = wifi.WLAN(wifi.AP_IF)
ap_if.active(False)
else:
self._log.debug("Hal: failure")
self._nic = None
return False
if ip_address_v4:
self._log.debug("Hal: nic present")
return True
else:
self._log.debug("Hal: nic not present")
return False
from pyb import SPI, Pin
import network
nic = network.WIZNET5K( SPI(1), Pin.board.X5, Pin.board.X4 )
print( "Activate")
nic.active( True )
# Fixing static IP
# nic.ifconfig(('10.0.0.77', '255.255.255.0', '10.0.0.240', '8.8.8.8'))
print( "Querying DHCP for address" )
nic.ifconfig('dhcp')
print( "getting IP config" )
print( nic.ifconfig() )
# returns ('192.168.1.60', '255.255.255.0', '192.168.1.1', '192.168.1.1')
print( nic.isconnected() )
# returns True
<p>Hello #%d from uPyEasy!</p>
</body>
</html>
"""
app = picoweb.WebApp(__name__)
@app.route("/")
def index(req, resp):
yield from picoweb.start_response(resp)
yield from resp.awrite(CONTENT)
class plugins(object):
def __init__(self) :
print("init")
async def asyncdevices(self):
print("async")
import network,pyb
nic = network.WIZNET5K(pyb.SPI(1), pyb.Pin.board.A3, pyb.Pin.board.A4)
while not nic.isconnected():
pass
nic.active(1)
nic.ifconfig(('192.168.178.100', '255.255.255.0', '192.168.178.1', '192.168.178.1'))
loop = asyncio.get_event_loop()
_plugins = plugins()
loop.create_task(_plugins.asyncdevices())
app.run(host="0.0.0.0", port=80,debug=False)
