main-pyboard-http-get-sample.py

"""
COPYRIGHT

This code is licensed under the MIT license. 
<https://opensource.org/licenses/MIT>

Copyright (c) 2017 Switch Science, inc.

Permission is hereby granted, free of charge, 
to any person obtaining a copy of this software and 
associated documentation files (the "Software"), to 
deal in the Software without restriction, including 
without limitation the rights to use, copy, modify, 
merge, publish, distribute, sublicense, and/or sell 
copies of the Software, and to permit persons to whom 
the Software is furnished to do so, 
subject to the following conditions:

The above copyright notice and this permission notice 
shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES 
OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR 
ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
"""

import pyb
import network
import machine
import usocket
import utime

spi = pyb.SPI(1)
cs = machine.Pin(pyb.Pin.board.X5, machine.Pin.OUT)

# USR button
btn = machine.Pin(pyb.Pin.board.X17, machine.Pin.IN, machine.Pin.PULL_UP)

def setMacAddress(address):
    cs.low()
    # address of the register of the mac address
    spi.send(0x00)
    spi.send(0x09)
    # write action
    spi.send(0x80)
    # 6 byte of datasize
    spi.send(0x06)
    # mac address
    for add in address:
        spi.send(add)
    # not sure if this needed
    utime.sleep(1)
    cs.high()

# init network driver
nic = network.WIZNET5K(spi, pyb.Pin.board.X5, pyb.Pin.board.X4)

nic.ifconfig(('192.168.0.10', '255.255.255.0', '192.168.0.1', '8.8.8.8'))
print(nic.ifconfig())

# set mac address
setMacAddress([0x00, 0x00, 0x00, 0x00, 0x00, 0x00])
print(nic.regs())

# http get
def btnpushed(p):
    host = 'xxxxxxxxxxxx.com'
    path = '/xxxxxxxxxxx.txt'
    addr = usocket.getaddrinfo(host, 80)[0][-1]
    s = usocket.socket()
    s.connect(addr)
    s.send(b'GET %s HTTP/1.1\r\nHost: %s\r\n\r\n' % (path, host))
    data = s.recv(1000)
    s.close()
    print(data)

# set interrupt
btn.irq(handler=btnpushed, trigger=machine.Pin.IRQ_FALLING)