kopia lustrzana https://github.com/micropython/micropython
docs/library/network: Move specific network classes to their own file.
All concrete network classes are now moved to their own file (eg network.WLAN.rst) and deconditionalised (remove ..only:: directives). This makes the network documentation the same for all ports. After this change there are no more "..only::" directives for different ports, and the only difference among ports is the very front page of the docs.pull/4193/head
Damien George
rodzic
b3eadf3f3d
commit
217566b764
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@ -0,0 +1,89 @@
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.. currentmodule:: network
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.. _network.CC3K:
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class CC3K -- control CC3000 WiFi modules
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=========================================
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This class provides a driver for CC3000 WiFi modules. Example usage::
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import network
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nic = network.CC3K(pyb.SPI(2), pyb.Pin.board.Y5, pyb.Pin.board.Y4, pyb.Pin.board.Y3)
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nic.connect('your-ssid', 'your-password')
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while not nic.isconnected():
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pyb.delay(50)
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print(nic.ifconfig())
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# now use socket as usual
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...
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For this example to work the CC3000 module must have the following connections:
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- MOSI connected to Y8
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- MISO connected to Y7
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- CLK connected to Y6
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- CS connected to Y5
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- VBEN connected to Y4
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- IRQ connected to Y3
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It is possible to use other SPI busses and other pins for CS, VBEN and IRQ.
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Constructors
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------------
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.. class:: CC3K(spi, pin_cs, pin_en, pin_irq)
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Create a CC3K driver object, initialise the CC3000 module using the given SPI bus
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and pins, and return the CC3K object.
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Arguments are:
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- *spi* is an :ref:`SPI object <pyb.SPI>` which is the SPI bus that the CC3000 is
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connected to (the MOSI, MISO and CLK pins).
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- *pin_cs* is a :ref:`Pin object <pyb.Pin>` which is connected to the CC3000 CS pin.
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- *pin_en* is a :ref:`Pin object <pyb.Pin>` which is connected to the CC3000 VBEN pin.
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- *pin_irq* is a :ref:`Pin object <pyb.Pin>` which is connected to the CC3000 IRQ pin.
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All of these objects will be initialised by the driver, so there is no need to
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initialise them yourself. For example, you can use::
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nic = network.CC3K(pyb.SPI(2), pyb.Pin.board.Y5, pyb.Pin.board.Y4, pyb.Pin.board.Y3)
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Methods
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-------
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.. method:: CC3K.connect(ssid, key=None, \*, security=WPA2, bssid=None)
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Connect to a WiFi access point using the given SSID, and other security
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parameters.
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.. method:: CC3K.disconnect()
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Disconnect from the WiFi access point.
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.. method:: CC3K.isconnected()
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Returns True if connected to a WiFi access point and has a valid IP address,
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False otherwise.
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.. method:: CC3K.ifconfig()
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Returns a 7-tuple with (ip, subnet mask, gateway, DNS server, DHCP server,
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MAC address, SSID).
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.. method:: CC3K.patch_version()
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Return the version of the patch program (firmware) on the CC3000.
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.. method:: CC3K.patch_program('pgm')
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Upload the current firmware to the CC3000. You must pass 'pgm' as the first
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argument in order for the upload to proceed.
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Constants
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---------
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.. data:: CC3K.WEP
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.. data:: CC3K.WPA
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.. data:: CC3K.WPA2
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security type to use
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@ -0,0 +1,71 @@
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.. currentmodule:: network
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.. _network.WIZNET5K:
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class WIZNET5K -- control WIZnet5x00 Ethernet modules
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=====================================================
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This class allows you to control WIZnet5x00 Ethernet adaptors based on
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the W5200 and W5500 chipsets. The particular chipset that is supported
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by the firmware is selected at compile-time via the MICROPY_PY_WIZNET5K
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option.
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Example usage::
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import network
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nic = network.WIZNET5K(pyb.SPI(1), pyb.Pin.board.X5, pyb.Pin.board.X4)
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print(nic.ifconfig())
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# now use socket as usual
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...
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For this example to work the WIZnet5x00 module must have the following connections:
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- MOSI connected to X8
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- MISO connected to X7
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- SCLK connected to X6
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- nSS connected to X5
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- nRESET connected to X4
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It is possible to use other SPI busses and other pins for nSS and nRESET.
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Constructors
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------------
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.. class:: WIZNET5K(spi, pin_cs, pin_rst)
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Create a WIZNET5K driver object, initialise the WIZnet5x00 module using the given
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SPI bus and pins, and return the WIZNET5K object.
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Arguments are:
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- *spi* is an :ref:`SPI object <pyb.SPI>` which is the SPI bus that the WIZnet5x00 is
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connected to (the MOSI, MISO and SCLK pins).
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- *pin_cs* is a :ref:`Pin object <pyb.Pin>` which is connected to the WIZnet5x00 nSS pin.
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- *pin_rst* is a :ref:`Pin object <pyb.Pin>` which is connected to the WIZnet5x00 nRESET pin.
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All of these objects will be initialised by the driver, so there is no need to
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initialise them yourself. For example, you can use::
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nic = network.WIZNET5K(pyb.SPI(1), pyb.Pin.board.X5, pyb.Pin.board.X4)
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Methods
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-------
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.. method:: WIZNET5K.isconnected()
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Returns ``True`` if the physical Ethernet link is connected and up.
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Returns ``False`` otherwise.
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.. method:: WIZNET5K.ifconfig([(ip, subnet, gateway, dns)])
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Get/set IP address, subnet mask, gateway and DNS.
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When called with no arguments, this method returns a 4-tuple with the above information.
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To set the above values, pass a 4-tuple with the required information. For example::
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nic.ifconfig(('192.168.0.4', '255.255.255.0', '192.168.0.1', '8.8.8.8'))
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.. method:: WIZNET5K.regs()
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Dump the WIZnet5x00 registers. Useful for debugging.
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@ -0,0 +1,132 @@
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.. currentmodule:: network
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.. _network.WLAN:
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class WLAN -- control built-in WiFi interfaces
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==============================================
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This class provides a driver for WiFi network processors. Example usage::
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import network
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# enable station interface and connect to WiFi access point
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nic = network.WLAN(network.STA_IF)
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nic.active(True)
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nic.connect('your-ssid', 'your-password')
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# now use sockets as usual
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Constructors
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------------
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.. class:: WLAN(interface_id)
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Create a WLAN network interface object. Supported interfaces are
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``network.STA_IF`` (station aka client, connects to upstream WiFi access
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points) and ``network.AP_IF`` (access point, allows other WiFi clients to
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connect). Availability of the methods below depends on interface type.
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For example, only STA interface may `WLAN.connect()` to an access point.
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Methods
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-------
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.. method:: WLAN.active([is_active])
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Activate ("up") or deactivate ("down") network interface, if boolean
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argument is passed. Otherwise, query current state if no argument is
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provided. Most other methods require active interface.
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.. method:: WLAN.connect(ssid=None, password=None, \*, bssid=None)
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Connect to the specified wireless network, using the specified password.
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If *bssid* is given then the connection will be restricted to the
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access-point with that MAC address (the *ssid* must also be specified
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in this case).
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.. method:: WLAN.disconnect()
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Disconnect from the currently connected wireless network.
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.. method:: WLAN.scan()
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Scan for the available wireless networks.
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Scanning is only possible on STA interface. Returns list of tuples with
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the information about WiFi access points:
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(ssid, bssid, channel, RSSI, authmode, hidden)
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*bssid* is hardware address of an access point, in binary form, returned as
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bytes object. You can use `ubinascii.hexlify()` to convert it to ASCII form.
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There are five values for authmode:
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* 0 -- open
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* 1 -- WEP
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* 2 -- WPA-PSK
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* 3 -- WPA2-PSK
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* 4 -- WPA/WPA2-PSK
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and two for hidden:
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* 0 -- visible
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* 1 -- hidden
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.. method:: WLAN.status([param])
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Return the current status of the wireless connection.
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When called with no argument the return value describes the network link status.
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The possible statuses are defined as constants:
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* ``STAT_IDLE`` -- no connection and no activity,
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* ``STAT_CONNECTING`` -- connecting in progress,
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* ``STAT_WRONG_PASSWORD`` -- failed due to incorrect password,
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* ``STAT_NO_AP_FOUND`` -- failed because no access point replied,
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* ``STAT_CONNECT_FAIL`` -- failed due to other problems,
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* ``STAT_GOT_IP`` -- connection successful.
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When called with one argument *param* should be a string naming the status
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parameter to retrieve. Supported parameters in WiFI STA mode are: ``'rssi'``.
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.. method:: WLAN.isconnected()
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In case of STA mode, returns ``True`` if connected to a WiFi access
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point and has a valid IP address. In AP mode returns ``True`` when a
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station is connected. Returns ``False`` otherwise.
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.. method:: WLAN.ifconfig([(ip, subnet, gateway, dns)])
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Get/set IP-level network interface parameters: IP address, subnet mask,
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gateway and DNS server. When called with no arguments, this method returns
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a 4-tuple with the above information. To set the above values, pass a
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4-tuple with the required information. For example::
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nic.ifconfig(('192.168.0.4', '255.255.255.0', '192.168.0.1', '8.8.8.8'))
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.. method:: WLAN.config('param')
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.. method:: WLAN.config(param=value, ...)
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Get or set general network interface parameters. These methods allow to work
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with additional parameters beyond standard IP configuration (as dealt with by
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`WLAN.ifconfig()`). These include network-specific and hardware-specific
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parameters. For setting parameters, keyword argument syntax should be used,
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multiple parameters can be set at once. For querying, parameters name should
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be quoted as a string, and only one parameter can be queries at time::
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# Set WiFi access point name (formally known as ESSID) and WiFi channel
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ap.config(essid='My AP', channel=11)
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# Query params one by one
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print(ap.config('essid'))
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print(ap.config('channel'))
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Following are commonly supported parameters (availability of a specific parameter
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depends on network technology type, driver, and `MicroPython port`).
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============= ===========
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Parameter Description
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============= ===========
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mac MAC address (bytes)
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essid WiFi access point name (string)
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channel WiFi channel (integer)
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hidden Whether ESSID is hidden (boolean)
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authmode Authentication mode supported (enumeration, see module constants)
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password Access password (string)
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dhcp_hostname The DHCP hostname to use
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============= ===========
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@ -0,0 +1,161 @@
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.. currentmodule:: network
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.. _network.WLANWiPy:
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class WLANWiPy -- WiPy specific WiFi control
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============================================
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.. note::
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This class is a non-standard WLAN implementation for the WiPy.
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It is available simply as ``network.WLAN`` on the WiPy but is named in the
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documentation below as ``network.WLANWiPy`` to distinguish it from the
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more general :ref:`network.WLAN <network.WLAN>` class.
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This class provides a driver for the WiFi network processor in the WiPy. Example usage::
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import network
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import time
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# setup as a station
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wlan = network.WLAN(mode=WLAN.STA)
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wlan.connect('your-ssid', auth=(WLAN.WPA2, 'your-key'))
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while not wlan.isconnected():
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time.sleep_ms(50)
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print(wlan.ifconfig())
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# now use socket as usual
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...
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Constructors
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------------
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.. class:: WLANWiPy(id=0, ...)
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Create a WLAN object, and optionally configure it. See `init()` for params of configuration.
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.. note::
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The ``WLAN`` constructor is special in the sense that if no arguments besides the id are given,
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it will return the already existing ``WLAN`` instance without re-configuring it. This is
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because ``WLAN`` is a system feature of the WiPy. If the already existing instance is not
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initialized it will do the same as the other constructors an will initialize it with default
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values.
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Methods
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-------
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.. method:: WLANWiPy.init(mode, \*, ssid, auth, channel, antenna)
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Set or get the WiFi network processor configuration.
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Arguments are:
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- *mode* can be either ``WLAN.STA`` or ``WLAN.AP``.
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- *ssid* is a string with the ssid name. Only needed when mode is ``WLAN.AP``.
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- *auth* is a tuple with (sec, key). Security can be ``None``, ``WLAN.WEP``,
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``WLAN.WPA`` or ``WLAN.WPA2``. The key is a string with the network password.
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If ``sec`` is ``WLAN.WEP`` the key must be a string representing hexadecimal
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values (e.g. 'ABC1DE45BF'). Only needed when mode is ``WLAN.AP``.
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- *channel* a number in the range 1-11. Only needed when mode is ``WLAN.AP``.
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- *antenna* selects between the internal and the external antenna. Can be either
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``WLAN.INT_ANT`` or ``WLAN.EXT_ANT``.
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For example, you can do::
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# create and configure as an access point
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wlan.init(mode=WLAN.AP, ssid='wipy-wlan', auth=(WLAN.WPA2,'www.wipy.io'), channel=7, antenna=WLAN.INT_ANT)
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or::
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# configure as an station
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wlan.init(mode=WLAN.STA)
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.. method:: WLANWiPy.connect(ssid, \*, auth=None, bssid=None, timeout=None)
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Connect to a WiFi access point using the given SSID, and other security
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parameters.
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- *auth* is a tuple with (sec, key). Security can be ``None``, ``WLAN.WEP``,
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``WLAN.WPA`` or ``WLAN.WPA2``. The key is a string with the network password.
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If ``sec`` is ``WLAN.WEP`` the key must be a string representing hexadecimal
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values (e.g. 'ABC1DE45BF').
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- *bssid* is the MAC address of the AP to connect to. Useful when there are several
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APs with the same ssid.
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- *timeout* is the maximum time in milliseconds to wait for the connection to succeed.
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.. method:: WLANWiPy.scan()
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Performs a network scan and returns a list of named tuples with (ssid, bssid, sec, channel, rssi).
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Note that channel is always ``None`` since this info is not provided by the WiPy.
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.. method:: WLANWiPy.disconnect()
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Disconnect from the WiFi access point.
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.. method:: WLANWiPy.isconnected()
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In case of STA mode, returns ``True`` if connected to a WiFi access point and has a valid IP address.
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In AP mode returns ``True`` when a station is connected, ``False`` otherwise.
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.. method:: WLANWiPy.ifconfig(if_id=0, config=['dhcp' or configtuple])
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With no parameters given returns a 4-tuple of *(ip, subnet_mask, gateway, DNS_server)*.
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if ``'dhcp'`` is passed as a parameter then the DHCP client is enabled and the IP params
|
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are negotiated with the AP.
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If the 4-tuple config is given then a static IP is configured. For instance::
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wlan.ifconfig(config=('192.168.0.4', '255.255.255.0', '192.168.0.1', '8.8.8.8'))
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.. method:: WLANWiPy.mode([mode])
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Get or set the WLAN mode.
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.. method:: WLANWiPy.ssid([ssid])
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Get or set the SSID when in AP mode.
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.. method:: WLANWiPy.auth([auth])
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Get or set the authentication type when in AP mode.
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.. method:: WLANWiPy.channel([channel])
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Get or set the channel (only applicable in AP mode).
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.. method:: WLANWiPy.antenna([antenna])
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Get or set the antenna type (external or internal).
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.. method:: WLANWiPy.mac([mac_addr])
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Get or set a 6-byte long bytes object with the MAC address.
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.. method:: WLANWiPy.irq(\*, handler, wake)
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Create a callback to be triggered when a WLAN event occurs during ``machine.SLEEP``
|
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mode. Events are triggered by socket activity or by WLAN connection/disconnection.
|
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|
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- *handler* is the function that gets called when the IRQ is triggered.
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- *wake* must be ``machine.SLEEP``.
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Returns an IRQ object.
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Constants
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---------
|
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.. data:: WLANWiPy.STA
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.. data:: WLANWiPy.AP
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selects the WLAN mode
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.. data:: WLANWiPy.WEP
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.. data:: WLANWiPy.WPA
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.. data:: WLANWiPy.WPA2
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selects the network security
|
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.. data:: WLANWiPy.INT_ANT
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.. data:: WLANWiPy.EXT_ANT
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selects the antenna type
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|
|
@ -139,465 +139,35 @@ parameter should be `id`.
|
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print(ap.config('essid'))
|
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print(ap.config('channel'))
|
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|
||||
.. only:: port_pyboard
|
||||
Specific network class implementations
|
||||
======================================
|
||||
|
||||
class CC3K
|
||||
==========
|
||||
|
||||
This class provides a driver for CC3000 WiFi modules. Example usage::
|
||||
|
||||
import network
|
||||
nic = network.CC3K(pyb.SPI(2), pyb.Pin.board.Y5, pyb.Pin.board.Y4, pyb.Pin.board.Y3)
|
||||
nic.connect('your-ssid', 'your-password')
|
||||
while not nic.isconnected():
|
||||
pyb.delay(50)
|
||||
print(nic.ifconfig())
|
||||
|
||||
# now use socket as usual
|
||||
...
|
||||
|
||||
For this example to work the CC3000 module must have the following connections:
|
||||
|
||||
- MOSI connected to Y8
|
||||
- MISO connected to Y7
|
||||
- CLK connected to Y6
|
||||
- CS connected to Y5
|
||||
- VBEN connected to Y4
|
||||
- IRQ connected to Y3
|
||||
|
||||
It is possible to use other SPI busses and other pins for CS, VBEN and IRQ.
|
||||
|
||||
Constructors
|
||||
------------
|
||||
|
||||
.. class:: CC3K(spi, pin_cs, pin_en, pin_irq)
|
||||
|
||||
Create a CC3K driver object, initialise the CC3000 module using the given SPI bus
|
||||
and pins, and return the CC3K object.
|
||||
|
||||
Arguments are:
|
||||
|
||||
- *spi* is an :ref:`SPI object <pyb.SPI>` which is the SPI bus that the CC3000 is
|
||||
connected to (the MOSI, MISO and CLK pins).
|
||||
- *pin_cs* is a :ref:`Pin object <pyb.Pin>` which is connected to the CC3000 CS pin.
|
||||
- *pin_en* is a :ref:`Pin object <pyb.Pin>` which is connected to the CC3000 VBEN pin.
|
||||
- *pin_irq* is a :ref:`Pin object <pyb.Pin>` which is connected to the CC3000 IRQ pin.
|
||||
|
||||
All of these objects will be initialised by the driver, so there is no need to
|
||||
initialise them yourself. For example, you can use::
|
||||
|
||||
nic = network.CC3K(pyb.SPI(2), pyb.Pin.board.Y5, pyb.Pin.board.Y4, pyb.Pin.board.Y3)
|
||||
|
||||
Methods
|
||||
-------
|
||||
|
||||
.. method:: cc3k.connect(ssid, key=None, \*, security=WPA2, bssid=None)
|
||||
|
||||
Connect to a WiFi access point using the given SSID, and other security
|
||||
parameters.
|
||||
|
||||
.. method:: cc3k.disconnect()
|
||||
|
||||
Disconnect from the WiFi access point.
|
||||
|
||||
.. method:: cc3k.isconnected()
|
||||
|
||||
Returns True if connected to a WiFi access point and has a valid IP address,
|
||||
False otherwise.
|
||||
|
||||
.. method:: cc3k.ifconfig()
|
||||
|
||||
Returns a 7-tuple with (ip, subnet mask, gateway, DNS server, DHCP server,
|
||||
MAC address, SSID).
|
||||
|
||||
.. method:: cc3k.patch_version()
|
||||
|
||||
Return the version of the patch program (firmware) on the CC3000.
|
||||
|
||||
.. method:: cc3k.patch_program('pgm')
|
||||
|
||||
Upload the current firmware to the CC3000. You must pass 'pgm' as the first
|
||||
argument in order for the upload to proceed.
|
||||
|
||||
Constants
|
||||
---------
|
||||
|
||||
.. data:: CC3K.WEP
|
||||
.. data:: CC3K.WPA
|
||||
.. data:: CC3K.WPA2
|
||||
|
||||
security type to use
|
||||
|
||||
class WIZNET5K
|
||||
==============
|
||||
|
||||
This class allows you to control WIZnet5x00 Ethernet adaptors based on
|
||||
the W5200 and W5500 chipsets. The particular chipset that is supported
|
||||
by the firmware is selected at compile-time via the MICROPY_PY_WIZNET5K
|
||||
option.
|
||||
|
||||
Example usage::
|
||||
|
||||
import network
|
||||
nic = network.WIZNET5K(pyb.SPI(1), pyb.Pin.board.X5, pyb.Pin.board.X4)
|
||||
print(nic.ifconfig())
|
||||
|
||||
# now use socket as usual
|
||||
...
|
||||
|
||||
For this example to work the WIZnet5x00 module must have the following connections:
|
||||
|
||||
- MOSI connected to X8
|
||||
- MISO connected to X7
|
||||
- SCLK connected to X6
|
||||
- nSS connected to X5
|
||||
- nRESET connected to X4
|
||||
|
||||
It is possible to use other SPI busses and other pins for nSS and nRESET.
|
||||
|
||||
Constructors
|
||||
------------
|
||||
|
||||
.. class:: WIZNET5K(spi, pin_cs, pin_rst)
|
||||
|
||||
Create a WIZNET5K driver object, initialise the WIZnet5x00 module using the given
|
||||
SPI bus and pins, and return the WIZNET5K object.
|
||||
|
||||
Arguments are:
|
||||
|
||||
- *spi* is an :ref:`SPI object <pyb.SPI>` which is the SPI bus that the WIZnet5x00 is
|
||||
connected to (the MOSI, MISO and SCLK pins).
|
||||
- *pin_cs* is a :ref:`Pin object <pyb.Pin>` which is connected to the WIZnet5x00 nSS pin.
|
||||
- *pin_rst* is a :ref:`Pin object <pyb.Pin>` which is connected to the WIZnet5x00 nRESET pin.
|
||||
|
||||
All of these objects will be initialised by the driver, so there is no need to
|
||||
initialise them yourself. For example, you can use::
|
||||
|
||||
nic = network.WIZNET5K(pyb.SPI(1), pyb.Pin.board.X5, pyb.Pin.board.X4)
|
||||
|
||||
Methods
|
||||
-------
|
||||
|
||||
.. method:: wiznet5k.isconnected()
|
||||
The following concrete classes implement the AbstractNIC interface and
|
||||
provide a way to control networking interfaces of various kinds.
|
||||
|
||||
Returns ``True`` if the physical Ethernet link is connected and up.
|
||||
Returns ``False`` otherwise.
|
||||
.. toctree::
|
||||
:maxdepth: 1
|
||||
|
||||
.. method:: wiznet5k.ifconfig([(ip, subnet, gateway, dns)])
|
||||
|
||||
Get/set IP address, subnet mask, gateway and DNS.
|
||||
|
||||
When called with no arguments, this method returns a 4-tuple with the above information.
|
||||
|
||||
To set the above values, pass a 4-tuple with the required information. For example::
|
||||
|
||||
nic.ifconfig(('192.168.0.4', '255.255.255.0', '192.168.0.1', '8.8.8.8'))
|
||||
|
||||
.. method:: wiznet5k.regs()
|
||||
|
||||
Dump the WIZnet5x00 registers. Useful for debugging.
|
||||
network.WLAN.rst
|
||||
network.WLANWiPy.rst
|
||||
network.CC3K.rst
|
||||
network.WIZNET5K.rst
|
||||
|
||||
.. _network.WLAN:
|
||||
Network functions
|
||||
=================
|
||||
|
||||
.. only:: port_esp8266
|
||||
The following are functions available in the network module.
|
||||
|
||||
Functions
|
||||
=========
|
||||
.. function:: phy_mode([mode])
|
||||
|
||||
.. function:: phy_mode([mode])
|
||||
Get or set the PHY mode.
|
||||
|
||||
Get or set the PHY mode.
|
||||
If the *mode* parameter is provided, sets the mode to its value. If
|
||||
the function is called without parameters, returns the current mode.
|
||||
|
||||
If the *mode* parameter is provided, sets the mode to its value. If
|
||||
the function is called without parameters, returns the current mode.
|
||||
The possible modes are defined as constants:
|
||||
* ``MODE_11B`` -- IEEE 802.11b,
|
||||
* ``MODE_11G`` -- IEEE 802.11g,
|
||||
* ``MODE_11N`` -- IEEE 802.11n.
|
||||
|
||||
The possible modes are defined as constants:
|
||||
* ``MODE_11B`` -- IEEE 802.11b,
|
||||
* ``MODE_11G`` -- IEEE 802.11g,
|
||||
* ``MODE_11N`` -- IEEE 802.11n.
|
||||
|
||||
class WLAN
|
||||
==========
|
||||
|
||||
This class provides a driver for WiFi network processor in the ESP8266. Example usage::
|
||||
|
||||
import network
|
||||
# enable station interface and connect to WiFi access point
|
||||
nic = network.WLAN(network.STA_IF)
|
||||
nic.active(True)
|
||||
nic.connect('your-ssid', 'your-password')
|
||||
# now use sockets as usual
|
||||
|
||||
Constructors
|
||||
------------
|
||||
.. class:: WLAN(interface_id)
|
||||
|
||||
Create a WLAN network interface object. Supported interfaces are
|
||||
``network.STA_IF`` (station aka client, connects to upstream WiFi access
|
||||
points) and ``network.AP_IF`` (access point, allows other WiFi clients to
|
||||
connect). Availability of the methods below depends on interface type.
|
||||
For example, only STA interface may `connect()` to an access point.
|
||||
|
||||
Methods
|
||||
-------
|
||||
|
||||
.. method:: wlan.active([is_active])
|
||||
|
||||
Activate ("up") or deactivate ("down") network interface, if boolean
|
||||
argument is passed. Otherwise, query current state if no argument is
|
||||
provided. Most other methods require active interface.
|
||||
|
||||
.. method:: wlan.connect(ssid=None, password=None, \*, bssid=None)
|
||||
|
||||
Connect to the specified wireless network, using the specified password.
|
||||
If *bssid* is given then the connection will be restricted to the
|
||||
access-point with that MAC address (the *ssid* must also be specified
|
||||
in this case).
|
||||
|
||||
.. method:: wlan.disconnect()
|
||||
|
||||
Disconnect from the currently connected wireless network.
|
||||
|
||||
.. method:: wlan.scan()
|
||||
|
||||
Scan for the available wireless networks.
|
||||
|
||||
Scanning is only possible on STA interface. Returns list of tuples with
|
||||
the information about WiFi access points:
|
||||
|
||||
(ssid, bssid, channel, RSSI, authmode, hidden)
|
||||
|
||||
*bssid* is hardware address of an access point, in binary form, returned as
|
||||
bytes object. You can use `ubinascii.hexlify()` to convert it to ASCII form.
|
||||
|
||||
There are five values for authmode:
|
||||
|
||||
* 0 -- open
|
||||
* 1 -- WEP
|
||||
* 2 -- WPA-PSK
|
||||
* 3 -- WPA2-PSK
|
||||
* 4 -- WPA/WPA2-PSK
|
||||
|
||||
and two for hidden:
|
||||
|
||||
* 0 -- visible
|
||||
* 1 -- hidden
|
||||
|
||||
.. method:: wlan.status([param])
|
||||
|
||||
Return the current status of the wireless connection.
|
||||
|
||||
When called with no argument the return value describes the network link status.
|
||||
The possible statuses are defined as constants:
|
||||
|
||||
* ``STAT_IDLE`` -- no connection and no activity,
|
||||
* ``STAT_CONNECTING`` -- connecting in progress,
|
||||
* ``STAT_WRONG_PASSWORD`` -- failed due to incorrect password,
|
||||
* ``STAT_NO_AP_FOUND`` -- failed because no access point replied,
|
||||
* ``STAT_CONNECT_FAIL`` -- failed due to other problems,
|
||||
* ``STAT_GOT_IP`` -- connection successful.
|
||||
|
||||
When called with one argument *param* should be a string naming the status
|
||||
parameter to retrieve. Supported parameters in WiFI STA mode are: ``'rssi'``.
|
||||
|
||||
.. method:: wlan.isconnected()
|
||||
|
||||
In case of STA mode, returns ``True`` if connected to a WiFi access
|
||||
point and has a valid IP address. In AP mode returns ``True`` when a
|
||||
station is connected. Returns ``False`` otherwise.
|
||||
|
||||
.. method:: wlan.ifconfig([(ip, subnet, gateway, dns)])
|
||||
|
||||
Get/set IP-level network interface parameters: IP address, subnet mask,
|
||||
gateway and DNS server. When called with no arguments, this method returns
|
||||
a 4-tuple with the above information. To set the above values, pass a
|
||||
4-tuple with the required information. For example::
|
||||
|
||||
nic.ifconfig(('192.168.0.4', '255.255.255.0', '192.168.0.1', '8.8.8.8'))
|
||||
|
||||
.. method:: wlan.config('param')
|
||||
.. method:: wlan.config(param=value, ...)
|
||||
|
||||
Get or set general network interface parameters. These methods allow to work
|
||||
with additional parameters beyond standard IP configuration (as dealt with by
|
||||
`wlan.ifconfig()`). These include network-specific and hardware-specific
|
||||
parameters. For setting parameters, keyword argument syntax should be used,
|
||||
multiple parameters can be set at once. For querying, parameters name should
|
||||
be quoted as a string, and only one parameter can be queries at time::
|
||||
|
||||
# Set WiFi access point name (formally known as ESSID) and WiFi channel
|
||||
ap.config(essid='My AP', channel=11)
|
||||
# Query params one by one
|
||||
print(ap.config('essid'))
|
||||
print(ap.config('channel'))
|
||||
|
||||
Following are commonly supported parameters (availability of a specific parameter
|
||||
depends on network technology type, driver, and `MicroPython port`).
|
||||
|
||||
============= ===========
|
||||
Parameter Description
|
||||
============= ===========
|
||||
mac MAC address (bytes)
|
||||
essid WiFi access point name (string)
|
||||
channel WiFi channel (integer)
|
||||
hidden Whether ESSID is hidden (boolean)
|
||||
authmode Authentication mode supported (enumeration, see module constants)
|
||||
password Access password (string)
|
||||
dhcp_hostname The DHCP hostname to use
|
||||
============= ===========
|
||||
|
||||
|
||||
|
||||
.. only:: port_wipy
|
||||
|
||||
class WLAN
|
||||
==========
|
||||
|
||||
This class provides a driver for the WiFi network processor in the WiPy. Example usage::
|
||||
|
||||
import network
|
||||
import time
|
||||
# setup as a station
|
||||
wlan = network.WLAN(mode=WLAN.STA)
|
||||
wlan.connect('your-ssid', auth=(WLAN.WPA2, 'your-key'))
|
||||
while not wlan.isconnected():
|
||||
time.sleep_ms(50)
|
||||
print(wlan.ifconfig())
|
||||
|
||||
# now use socket as usual
|
||||
...
|
||||
|
||||
Constructors
|
||||
------------
|
||||
|
||||
.. class:: WLAN(id=0, ...)
|
||||
|
||||
Create a WLAN object, and optionally configure it. See `init()` for params of configuration.
|
||||
|
||||
.. note::
|
||||
|
||||
The ``WLAN`` constructor is special in the sense that if no arguments besides the id are given,
|
||||
it will return the already existing ``WLAN`` instance without re-configuring it. This is
|
||||
because ``WLAN`` is a system feature of the WiPy. If the already existing instance is not
|
||||
initialized it will do the same as the other constructors an will initialize it with default
|
||||
values.
|
||||
|
||||
Methods
|
||||
-------
|
||||
|
||||
.. method:: wlan.init(mode, \*, ssid, auth, channel, antenna)
|
||||
|
||||
Set or get the WiFi network processor configuration.
|
||||
|
||||
Arguments are:
|
||||
|
||||
- *mode* can be either ``WLAN.STA`` or ``WLAN.AP``.
|
||||
- *ssid* is a string with the ssid name. Only needed when mode is ``WLAN.AP``.
|
||||
- *auth* is a tuple with (sec, key). Security can be ``None``, ``WLAN.WEP``,
|
||||
``WLAN.WPA`` or ``WLAN.WPA2``. The key is a string with the network password.
|
||||
If ``sec`` is ``WLAN.WEP`` the key must be a string representing hexadecimal
|
||||
values (e.g. 'ABC1DE45BF'). Only needed when mode is ``WLAN.AP``.
|
||||
- *channel* a number in the range 1-11. Only needed when mode is ``WLAN.AP``.
|
||||
- *antenna* selects between the internal and the external antenna. Can be either
|
||||
``WLAN.INT_ANT`` or ``WLAN.EXT_ANT``.
|
||||
|
||||
For example, you can do::
|
||||
|
||||
# create and configure as an access point
|
||||
wlan.init(mode=WLAN.AP, ssid='wipy-wlan', auth=(WLAN.WPA2,'www.wipy.io'), channel=7, antenna=WLAN.INT_ANT)
|
||||
|
||||
or::
|
||||
|
||||
# configure as an station
|
||||
wlan.init(mode=WLAN.STA)
|
||||
|
||||
.. method:: wlan.connect(ssid, \*, auth=None, bssid=None, timeout=None)
|
||||
|
||||
Connect to a WiFi access point using the given SSID, and other security
|
||||
parameters.
|
||||
|
||||
- *auth* is a tuple with (sec, key). Security can be ``None``, ``WLAN.WEP``,
|
||||
``WLAN.WPA`` or ``WLAN.WPA2``. The key is a string with the network password.
|
||||
If ``sec`` is ``WLAN.WEP`` the key must be a string representing hexadecimal
|
||||
values (e.g. 'ABC1DE45BF').
|
||||
- *bssid* is the MAC address of the AP to connect to. Useful when there are several
|
||||
APs with the same ssid.
|
||||
- *timeout* is the maximum time in milliseconds to wait for the connection to succeed.
|
||||
|
||||
.. method:: wlan.scan()
|
||||
|
||||
Performs a network scan and returns a list of named tuples with (ssid, bssid, sec, channel, rssi).
|
||||
Note that channel is always ``None`` since this info is not provided by the WiPy.
|
||||
|
||||
.. method:: wlan.disconnect()
|
||||
|
||||
Disconnect from the WiFi access point.
|
||||
|
||||
.. method:: wlan.isconnected()
|
||||
|
||||
In case of STA mode, returns ``True`` if connected to a WiFi access point and has a valid IP address.
|
||||
In AP mode returns ``True`` when a station is connected, ``False`` otherwise.
|
||||
|
||||
.. method:: wlan.ifconfig(if_id=0, config=['dhcp' or configtuple])
|
||||
|
||||
With no parameters given returns a 4-tuple of *(ip, subnet_mask, gateway, DNS_server)*.
|
||||
|
||||
if ``'dhcp'`` is passed as a parameter then the DHCP client is enabled and the IP params
|
||||
are negotiated with the AP.
|
||||
|
||||
If the 4-tuple config is given then a static IP is configured. For instance::
|
||||
|
||||
wlan.ifconfig(config=('192.168.0.4', '255.255.255.0', '192.168.0.1', '8.8.8.8'))
|
||||
|
||||
.. method:: wlan.mode([mode])
|
||||
|
||||
Get or set the WLAN mode.
|
||||
|
||||
.. method:: wlan.ssid([ssid])
|
||||
|
||||
Get or set the SSID when in AP mode.
|
||||
|
||||
.. method:: wlan.auth([auth])
|
||||
|
||||
Get or set the authentication type when in AP mode.
|
||||
|
||||
.. method:: wlan.channel([channel])
|
||||
|
||||
Get or set the channel (only applicable in AP mode).
|
||||
|
||||
.. method:: wlan.antenna([antenna])
|
||||
|
||||
Get or set the antenna type (external or internal).
|
||||
|
||||
.. method:: wlan.mac([mac_addr])
|
||||
|
||||
Get or set a 6-byte long bytes object with the MAC address.
|
||||
|
||||
.. method:: wlan.irq(\*, handler, wake)
|
||||
|
||||
Create a callback to be triggered when a WLAN event occurs during ``machine.SLEEP``
|
||||
mode. Events are triggered by socket activity or by WLAN connection/disconnection.
|
||||
|
||||
- *handler* is the function that gets called when the IRQ is triggered.
|
||||
- *wake* must be ``machine.SLEEP``.
|
||||
|
||||
Returns an IRQ object.
|
||||
|
||||
Constants
|
||||
---------
|
||||
|
||||
.. data:: WLAN.STA
|
||||
.. data:: WLAN.AP
|
||||
|
||||
selects the WLAN mode
|
||||
|
||||
.. data:: WLAN.WEP
|
||||
.. data:: WLAN.WPA
|
||||
.. data:: WLAN.WPA2
|
||||
|
||||
selects the network security
|
||||
|
||||
.. data:: WLAN.INT_ANT
|
||||
.. data:: WLAN.EXT_ANT
|
||||
|
||||
selects the antenna type
|
||||
Availability: ESP8266.
|
||||
|
|
|
|||
Ładowanie…
Reference in New Issue