8000 BLE - OSError: connection refused · Issue #15 · pycom/pycom-micropython-sigfox · GitHub
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BLE - OSError: connection refused #15

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Bucknalla opened this issue May 31, 2017 · 2 comments
< 8000 svg aria-hidden="true" height="16" viewBox="0 0 16 16" version="1.1" width="16" data-view-component="true" class="octicon octicon-issue-closed flex-items-center mr-1"> Closed

BLE - OSError: connection refused #15

Bucknalla opened this issue May 31, 2017 · 2 comments

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@Bucknalla
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(sysname='LoPy', nodename='LoPy', release='1.6.13.b1', version='v1.8.6-607-g9c8a0e9e on 2017-05-01', machine='LoPy with 
ESP32', lorawan='1.0.0') 

Attempting to connect from one LoPy to another LoPy device:

from network import Bluetooth
import binascii
bluetooth = Bluetooth()

# scan until we can connect to any BLE device around
bluetooth.start_scan(-1)
adv = None
while True:
    adv = bluetooth.get_adv()
    if adv:
        try:
            print(binascii.hexlify(adv.mac))
            bluetooth.connect(adv.mac)
        except:
            # start scanning again
            bluetooth.start_scan(-1)
            continue
        break
print("Connected to device with addr = {}".format(binascii.hexlify(adv.mac)))

Error arises after the connecting LoPy finds the address of the advertising device and attempts to connect.

b'240ac40061fa'
Traceback (most recent call last):                                                                                      
  File "<stdin>", line 50, in <module>                                                                                  
OSError: connection already closed

                                                                         
Thanks!
@grandcat
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grandcat commented Jun 1, 2017

Maybe try bluetooth.init() after bluetooth = Bluetooth()

@danicampora
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Solved on the latest release.

iwahdan88 pushed a commit that referenced this issue Feb 8, 2019
esp32/mphal: Fix issue causing Device crash when safe booting (CTRL-F…
733cf7e 
…) while BLE/Wlan enabled (#15)
iwahdan88 pushed a commit that referenced this issue Feb 8, 2019
Squashed commit of the following:
323205c 
commit a3a8dec
Author: iwahdan88 <islam@pycom.io>
Date:   Fri Feb 8 20:37:05 2019 +0100

    esp32/modlte: minor fix

commit 52ece9c
Author: iwahdan88 <islam@pycom.io>
Date:   Fri Feb 8 20:13:19 2019 +0100

    Updated Pybytes scripts + updated pycom version

commit 2b28d49
Author: Islam Wahdan <islam@pycom.io>
Date:   Fri Feb 8 19:19:45 2019 +0100

    esp32/make: Fix Makefile bug where SIPY FIPY and LOPY4 excluded secure boot + fix bug in may-build-check.sh (#18)

commit e078fcc
Author: Catalin Ioana <catalin.ioana@pycom.io>
Date:   Fri Feb 8 20:18:11 2019 +0200

    Pymesh feature added from Pygo to Lopy (#16)

    * Squashed all openthread commits into a single one.

    esp32/mesh: saving settings in NVM; RSSI is computed considering SNR

    lora-mesh: forced Lora MAC as 802.15.4 Extended Address (not random anymore)

    esp32/lora: openthread socket UPD packets are 512B max, and 8 are buffered

    esp32/lora: added lora.mstatus, role, neighbors, routers micropy commands

    esp32/lora: increased mesh task priority (6), delay just 1ms, lora deinit

    esp32/lora: added mesh rx callback, increased mpy isr stack; removed server task

    esp32/mods added machtouch, frozen python scripts for oled, pytrack and msgpack

    esp32: openthread synch'ed with branch openthread_1_Nov from pycom-esp-idf

    sigfox task not started, some micropy wrapper for busy channel

    Lora sleep time decreased

    Lora LBT implemented

    openthread: 14 Dev 2018, fixed NVS usage, RSSI without SNR

    esp32: openthread cli fixed

    esp32: modlora added Border Router

    * Squashed all openthread commits into a single one.

    esp32/mesh: saving settings in NVM; RSSI is computed considering SNR

    lora-mesh: forced Lora MAC as 802.15.4 Extended Address (not random anymore)

    esp32/lora: openthread socket UPD packets are 512B max, and 8 are buffered

    esp32/lora: added lora.mstatus, role, neighbors, routers micropy commands

    esp32/lora: increased mesh task priority (6), delay just 1ms, lora deinit

    esp32/lora: added mesh rx callback, increased mpy isr stack; removed server task

    esp32/mods added machtouch, frozen python scripts for oled, pytrack and msgpack

    esp32: openthread synch'ed with branch openthread_1_Nov from pycom-esp-idf

    sigfox task not started, some micropy wrapper for busy channel

    Lora sleep time decreased

    Lora LBT implemented

    openthread: 14 Dev 2018, fixed NVS usage, RSSI without SNR

    esp32: openthread cli fixed

    esp32: modlora added Border Router

    * esp32/application.mk: added group of lora openthread files, buit only if OPENTHREAD flag is enable (yes by default)

    * esp32: added modmesh.c as micropy wrapper for mesh commands from modlora.c

    * esp32/mods/modmesh: added Mesh.deinit command, removed debug, made functions static

    * esp32/lib: updated idf libraries, from idf_v3.1

    * esp32/modmesh: modmesh task is started dinamically at Lora.Mesh() and erased at Lora.Mesh.deinit()

commit ad55267
Author: Islam Wahdan <islam@pycom.io>
Date:   Fri Feb 8 18:11:37 2019 +0100

    esp32/modlte: Added factory modem reset option , method to check UE coverage and Bug fixes (#17)

commit 98000bb
Author: Martijn Thé <martijnthe@users.noreply.github.com>
Date:   Fri Feb 1 17:15:07 2019 +0100

    build config: make openthread over lora a build-time configuration option (#253)

    Adds a make variable to disable openthread. By default it's still enabled.
    To disable it, add `OPENTHREAD=off` to the `make` invocation.
    This shaves off 160KB of the .bin, making the firmware fit in the old OTA slot of 1536KB.

commit 1eb354a
Author: Géza Husi <husigeza91@gmail.com>
Date:   Thu Jan 31 10:30:12 2019 +0100

    esp32/mods/modusocket.c: adding do_handshake for non-blocking sockets (#13)

commit 733cf7e
Author: Islam Wahdan <islam@pycom.io>
Date:   Thu Jan 31 10:28:33 2019 +0100

    esp32/mphal: Fix issue causing Device crash when safe booting (CTRL-F) while BLE/Wlan enabled (#15)

commit 7ce6f7e
Author: Géza Husi <husigeza91@gmail.com>
Date:   Wed Jan 30 21:27:10 2019 +0100

    esp32/mpthreadport.c: fix an issue in cleaning up user threads during of soft-reset (#14)

    Fixes issue [PYFW-197]

commit a83e360
Author: iwahdan88 <islam@pycom.io>
Date:   Mon Jan 28 19:14:23 2019 +0100

    Esp32/frozen/MQTTlib: Gracefully handle EAGAIN return of Socket.write

commit f2a33ba
Author: iwahdan88 <islam@pycom.io>
Date:   Wed Jan 23 18:41:12 2019 +0100

    Fix linking Issue

commit 622a235
Merge: b886f41 1058d3b
Author: iwahdan88 <islam@pycom.io>
Date:   Wed Jan 23 18:24:58 2019 +0100

    Merge remote-tracking branch 'public/release-candidate'

    # Conflicts:
    #	esp32/pycom_version.h

commit b886f41
Author: iwahdan88 <islam@pycom.io>
Date:   Tue Jan 22 11:17:41 2019 +0100

    IDF v3.1 update

commit a6ebe1e
Author: iwahdan88 <islam@pycom.io>
Date:   Mon Jan 21 10:27:22 2019 +0100

    Merge HEAD of release-candidate 1.20.0

commit 87f2d8b
Author: iwahdan88 <islam@pycom.io>
Date:   Sat Jan 19 15:09:59 2019 +0100

    esp32/ltepp: bug fix for lteppp suspend

commit 0b6307f
Author: iwahdan88 <islam@pycom.io>
Date:   Sat Jan 19 14:25:06 2019 +0100

    Merge of Public repo [release-candidate] Head.

commit c16daf9
Author: iwahdan88 <islam@pycom.io>
Date:   Fri Jan 18 18:40:25 2019 +0100

    esp32: Updated Pypytes scripts

commit a7a2e9e
Author: iwahdan88 <islam@pycom.io>
Date:   Fri Jan 18 17:58:26 2019 +0100

    esp32: help- Removed CRTL-D from PYBYTES build + minor fixes

commit bda5261
Author: iwahdan88 <islam@pycom.io>
Date:   Fri Jan 18 17:04:01 2019 +0100

    esp32: On Boot wifi AP defaults now to DEFAULT wifi ssid and Password

commit ff3b397
Author: iwahdan88 <islam@pycom.io>
Date:   Fri Jan 18 16:54:18 2019 +0100

    esp32: updated version

commit 42f4108
Author: Islam Wahdan <islam@pycom.io>
Date:   Fri Jan 18 16:06:33 2019 +0100

    Update to LTE module (#12)

    * Update modlte.c

    * esp32/modlte: Refactoring

commit 81573b3
Author: iwahdan88 <islam@pycom.io>
Date:   Wed Jan 16 13:30:54 2019 +0100

    esp32/lteppp: updated PPP Suspend mechanism

commit d9085a4
Author: iwahdan88 <islam@pycom.io>
Date:   Tue Jan 15 21:51:40 2019 +0100

    esp32/lteppp: improving lteppp suspend/resume mechanism

commit c887d32
Author: iwahdan88 <islam@pycom.io>
Date:   Mon Jan 14 20:19:19 2019 +0100

    esp32/lteppp: added suspen/resume functinality to lteppp

commit 0650a29
Author: iwahdan88 <islam@pycom.io>
Date:   Thu Jan 17 20:02:19 2019 +0100

    esp32: Minor bug fix for Secure Boot

commit d8769fd
Author: iwahdan88 <islam@pycom.io>
Date:   Wed Jan 16 17:46:45 2019 +0100

    esp32: Removed CRTL-D function in PyBytes Firmware + minor bug fix

    - Removed CRTL-D function in PyBytes Firmware
    - Fixed `mpy-build-check.sh` and 'size_check.sh' scripts to handle PyBytes Build Directory

commit 215fcd2
Author: iwahdan88 <islam@pycom.io>
Date:   Wed Jan 16 14:23:43 2019 +0100

    esp32/sdkconfig.h: synced with IDF v3.1

commit a541954
Author: Christian Ehlers <cehlers@pycom.io>
Date:   Tue Jan 15 12:35:19 2019 +0100

    Update sqnsupgrade (#11)

    From sqnsupgrade master

commit d586893
Merge: 9e091a5 1b5eba3
Author: iwahdan88 <islam@pycom.io>
Date:   Mon Jan 14 22:17:24 2019 +0100

    Merge branch 'attach-legacy'

commit 9e091a5
Author: Christian Ehlers <cehlers@pycom.io>
Date:   Mon Jan 14 21:59:23 2019 +0100

    esp32/modlte: updated

    * Setting APN with corresponding IP Protocol  [IP / IPV6]

    * No more exception when calling `LTE.connect` when already connected

    * Setting Connection ID in Init function

    * Renamed `lte.dettach` to `lte.detach` with backward compatibility

    * Setting Connection ID and IP protocol type in attach method

commit 1b5eba3
Author: iwahdan88 <islam@pycom.io>
Date:   Mon Jan 14 17:22:03 2019 +0100

    esp32/modlte: Added flag for legacy attachment method

commit dd002a2
Author: Géza Husi <husigeza91@gmail.com>
Date:   Sun Jan 13 12:52:25 2019 +0100

    esp32/modnetwork.c: fix a linking issue for WIPY, LOPY, SIPY

commit 12dcbdb
Author: iwahdan88 <islam@pycom.io>
Date:   Fri Jan 11 15:14:05 2019 +0100

    esp32/modnetwork: fixed wrong nic selection in case of AF_INET

commit b3e3a8c
Author: Christian Ehlers <cehlers@pycom.io>
Date:   Mon Jan 7 23:49:57 2019 +0100

    Update modusocket.c

    Small updates & bugfixes

commit 258876e
Author: iwahdan88 <islam@pycom.io>
Date:   Mon Jan 7 20:47:04 2019 +0100

    esp32/modusocket:Added mpy API to get/se/clear DNS Servers Ipv4

commit 6144e6d
Merge: afcb3c4 38428ff
Author: iwahdan88 <islam@pycom.io>
Date:   Mon Jan 7 16:49:52 2019 +0100

    Merge branch 'master' of https://github.com/pycom/Firmware-Development

commit afcb3c4
Merge: 4a859e2 978c9bb
Author: iwahdan88 <islam@pycom.io>
Date:   Mon Jan 7 16:48:56 2019 +0100

    Merged changes from v1.20.0 release-candidate

commit 38428ff
Author: Géza Husi <husigeza91@gmail.com>
Date:   Mon Jan 7 14:44:22 2019 +0100

    mods/machspi.c: Fix the bug in pybspi_transfer() (#9)

    The parameter write=.. in spi.read() was ignored. Instead always 0x55 was sent.

commit 4a859e2
Author: iwahdan88 <islam@pycom.io>
Date:   Mon Jan 7 13:36:04 2019 +0100

    esp32/modlte: Enabled suspention of Mesh task in modem upgrade task

commit 036a6d1
Author: iwahdan88 <islam@pycom.io>
Date:   Mon Jan 7 13:24:55 2019 +0100

    es32/lib: updated IDF libs

commit e3ca985
Author: iwahdan88 <islam@pycom.io>
Date:   Mon Jan 7 13:19:30 2019 +0100

    esp32/frozen: updated MQTTMsgHandler.py

commit adeebf1
Author: Daniel Campora <danielc@pycom.io>
Date:   Thu Jan 3 17:49:40 2019 +0100

    esp32: Fixes in order to get the US915 certification passing.

commit 9df2333
Author: Christian Ehlers <cehlers@pycom.io>
Date:   Mon Dec 17 19:26:10 2018 +0100

    Update pycom_config.h

    Cosmetic fix (pointer name)

commit 0372114
Author: iwahdan88 <islam@pycom.io>
Date:   Fri Dec 14 01:05:16 2018 +0200

    esp32/micropython: correction to keyboard interrupts exposure

Merge of Dev/master
iwahdan88 pushed a commit that referenced this issue Feb 8, 2019
esp32/mphal: Fix issue causing Device crash when safe booting (CTRL-F…
fc91a12 
…) while BLE/Wlan enabled (#15)

# Conflicts:
#	esp32/mods/modwlan.c
iwahdan88 pushed a commit that referenced this issue Feb 8, 2019
Merging Fixes and updates from dev/master #262
07a52e4 
* esp32/modlte: Added factory modem reset option , method to check UE coverage and Bug fixes (#17)

* Esp32/frozen/MQTTlib: Gracefully handle EAGAIN return of Socket.write

* esp32/mpthreadport.c: fix an issue in cleaning up user threads during of soft-reset (#14)

Fixes issue [PYFW-197]
# Conflicts:
#	esp32/mpthreadport.c

* esp32/mphal: Fix issue causing Device crash when safe booting (CTRL-F) while BLE/Wlan enabled (#15)

# Conflicts:
#	esp32/mods/modwlan.c

* esp32/modlte: minor fix

* esp32/make: Fix makefile bug excluding SIPY FIPY LOPY4 from secure Boot process
X-Ryl669 pushed a commit to X-Ryl669/pycom-micropython-sigfox that referenced this issue May 12, 2023
esp32/mphal: Fix issue causing Device crash when safe booting (CTRL-F…
ac069e9 
…) while BLE/Wlan enabled (pycom#15)
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3 participants
@grandcat @Bucknalla @danicampora
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