Merge pull request #4972 from microDev1/patch
Delete ports/nrf/examples directory
This commit is contained in:
Dan Halbert
GitHub
commit
53c01176e9
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from ubluepy import Peripheral, constants
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BLE_GAP_ADV_FLAG_LE_GENERAL_DISC_MODE = const(0x02)
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BLE_GAP_ADV_FLAG_BR_EDR_NOT_SUPPORTED = const(0x04)
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BLE_GAP_ADV_FLAGS_LE_ONLY_GENERAL_DISC_MODE = const(
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BLE_GAP_ADV_FLAG_LE_GENERAL_DISC_MODE | BLE_GAP_ADV_FLAG_BR_EDR_NOT_SUPPORTED
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)
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EDDYSTONE_FRAME_TYPE_URL = const(0x10)
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EDDYSTONE_URL_PREFIX_HTTP_WWW = const(0x00) # "http://www".
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EDDYSTONE_URL_SUFFIX_DOT_COM = const(0x01) # ".com"
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def string_to_binarray(text):
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b = bytearray([])
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for c in text:
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b.append(ord(c))
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return b
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def gen_ad_type_content(ad_type, data):
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b = bytearray(1)
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b.append(ad_type)
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b.extend(data)
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b[0] = len(b) - 1
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return b
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def generate_eddystone_adv_packet(url):
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# flags
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disc_mode = bytearray([BLE_GAP_ADV_FLAGS_LE_ONLY_GENERAL_DISC_MODE])
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packet_flags = gen_ad_type_content(constants.ad_types.AD_TYPE_FLAGS, disc_mode)
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# 16-bit uuid
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uuid = bytearray([0xAA, 0xFE])
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packet_uuid16 = gen_ad_type_content(
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constants.ad_types.AD_TYPE_16BIT_SERVICE_UUID_COMPLETE, uuid
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)
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# eddystone data
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rssi = 0xEE # -18 dB, approx signal strength at 0m.
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eddystone_data = bytearray([])
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eddystone_data.append(EDDYSTONE_FRAME_TYPE_URL)
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eddystone_data.append(rssi)
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eddystone_data.append(EDDYSTONE_URL_PREFIX_HTTP_WWW)
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eddystone_data.extend(string_to_binarray(url))
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eddystone_data.append(EDDYSTONE_URL_SUFFIX_DOT_COM)
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# service data
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service_data = uuid + eddystone_data
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packet_service_data = gen_ad_type_content(
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constants.ad_types.AD_TYPE_SERVICE_DATA, service_data
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)
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# generate advertisement packet
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packet = bytearray([])
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packet.extend(packet_flags)
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packet.extend(packet_uuid16)
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packet.extend(packet_service_data)
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return packet
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def start():
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adv_packet = generate_eddystone_adv_packet("micropython")
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p = Peripheral()
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p.advertise(data=adv_packet, connectable=False)
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from ubluepy import Scanner, constants
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def bytes_to_str(bytes):
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string = ""
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for b in bytes:
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string += chr(b)
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return string
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def get_device_names(scan_entries):
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dev_names = []
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for e in scan_entries:
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scan = e.getScanData()
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if scan:
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for s in scan:
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if s[0] == constants.ad_types.AD_TYPE_COMPLETE_LOCAL_NAME:
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dev_names.append((e, bytes_to_str(s[2])))
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return dev_names
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def find_device_by_name(name):
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s = Scanner()
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scan_res = s.scan(100)
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device_names = get_device_names(scan_res)
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for dev in device_names:
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if name == dev[1]:
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return dev[0]
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# >>> res = find_device_by_name("micr")
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# >>> if res:
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# ... print("address:", res.addr())
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# ... print("address type:", res.addr_type())
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# ... print("rssi:", res.rssi())
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# ...
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# ...
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# ...
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# address: c2:73:61:89:24:45
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# address type: 1
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# rssi: -26
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# This file is part of the MicroPython project, http://micropython.org/
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#
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# The MIT License (MIT)
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#
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# SPDX-FileCopyrightText: Copyright (c) 2017 Glenn Ruben Bakke
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE
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from pyb import LED
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from machine import RTC, Temp
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from ubluepy import Service, Characteristic, UUID, Peripheral, constants
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def event_handler(id, handle, data):
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global rtc
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global periph
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global serv_env_sense
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global notif_enabled
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if id == constants.EVT_GAP_CONNECTED:
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# indicated 'connected'
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LED(1).on()
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elif id == constants.EVT_GAP_DISCONNECTED:
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# stop low power timer
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rtc.stop()
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# indicate 'disconnected'
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LED(1).off()
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# restart advertisement
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periph.advertise(device_name="micr_temp", services=[serv_env_sense])
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elif id == constants.EVT_GATTS_WRITE:
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# write to this Characteristic is to CCCD
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if int(data[0]) == 1:
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notif_enabled = True
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# start low power timer
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rtc.start()
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else:
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notif_enabled = False
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# stop low power timer
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rtc.stop()
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def send_temp(timer_id):
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global notif_enabled
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global char_temp
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if notif_enabled:
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# measure chip temperature
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temp = Temp.read()
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temp = temp * 100
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char_temp.write(bytearray([temp & 0xFF, temp >> 8]))
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# start off with LED(1) off
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LED(1).off()
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# use RTC1 as RTC0 is used by bluetooth stack
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# set up RTC callback every 5 second
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rtc = RTC(1, period=5, mode=RTC.PERIODIC, callback=send_temp)
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notif_enabled = False
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uuid_env_sense = UUID("0x181A") # Environmental Sensing service
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uuid_temp = UUID("0x2A6E") # Temperature characteristic
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serv_env_sense = Service(uuid_env_sense)
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temp_props = Characteristic.PROP_NOTIFY | Characteristic.PROP_READ
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temp_attrs = Characteristic.ATTR_CCCD
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char_temp = Characteristic(uuid_temp, props=temp_props, attrs=temp_attrs)
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serv_env_sense.addCharacteristic(char_temp)
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periph = Peripheral()
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periph.addService(serv_env_sense)
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periph.setConnectionHandler(event_handler)
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periph.advertise(device_name="micr_temp", services=[serv_env_sense])
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