Ah, yeah that would do it :-) Glad you figured it out!
> On Jan 7, 2019, at 4:36 AM, Amr Bekhit <[email protected]> wrote:
>
> Turns out the RE866 has an internal RF switch that is controlled by
> the nRF micro. If unconfigured, the switch passes the transmit side,
> which explains why the Join Requests messages were coming through but
> the Join Accept messages were rarely being detected. Once I enabled
> SX1272_HAS_ANT_SW and set the RXTX pin, it works fine now.
>
> On Sun, 6 Jan 2019 at 14:38, Amr Bekhit <[email protected]> wrote:
>>
>> Hi Will,
>>
>> Thanks for your response. In this case, both the end node and gateway
>> are configured as a public network
>> (https://github.com/amrbekhit/mynewt-lora-sandbox/blob/master/apps/lora_sandbox/syscfg.yml),
>> but it's still not working. The network is successfully receiving the
>> Join Request from the device, processing it and sending the Join
>> Accept back. On the gateway side, I can see this exchange happening in
>> the logs, so it appears that the packets are being sent and received.
>> With the end-device, however, it seems hit and miss as to whether or
>> not it receives the Join Accept message or not.
>>
>> Amr
>>
>>
>> On Fri, 4 Jan 2019 at 23:41, will sanfilippo <[email protected]> wrote:
>>>
>>> One thing you might want to check out is the lora public/private network
>>> setting. This uses different start words and occasionally the wrong start
>>> word will still work.
>>>
>>> The syscfg value for this is: LORA_NODE_PUBLIC_NWK and the default is 0
>>> (meaning it is default to private network)
>>>
>>>
>>>> On Jan 4, 2019, at 11:46 AM, Amr Bekhit <[email protected]> wrote:
>>>>
>>>> Hello all,
>>>>
>>>> I'm trying to use mynewt to develop a small LoRa end device using the
>>>> Telit RE866 module, which is basically an nRF52832 embedded with an
>>>> SX1272 radio. Unfortunately, I'm having a lot of trouble getting the
>>>> LoRa stack to consistently join the network successfully. I have my
>>>> own gateway and network server setup and have it working well with
>>>> another end device that I have, so I'm pretty confident the problem is
>>>> not in the backend.
>>>>
>>>> I've put together a simple mynewt application that attempts to join
>>>> the network. You can find it on github at
>>>> https://github.com/amrbekhit/mynewt-lora-sandbox.
>>>>
>>>> Most of the time, the device fails to join the network, but on rare
>>>> occasions will succeed. Here is the output of the ln_log command when
>>>> it fails:
>>>>
>>>> 001118 index=0 TX_SETUP phytxpwr=13 sf=12 bw=0 freq=868100000 cputime=40927
>>>> 001120 index=1 TX_START pwr=0 dr=0 chan=0 airtime=1483 cputime=41119
>>>> 001122 index=2 TX_DONE chan=0 done_time=1524076 cputime=1524104
>>>> 001124 index=3 RX_WIN1_SETUP dr=0 chan=0 timeout=7 cputime=6523114
>>>> 001125 index=4 RX_CFG bw=0 dr=0 sf=12 freq=868100000 cputime=6523118
>>>> 001127 index=5 RX_TIMEOUT chan=0 rxslot=0 cputime=6753310
>>>> 001128 index=6 RX_WIN2 rxslot=1 cont=0 freq=869525000 cputime=7523112
>>>> 001130 index=7 RX_CFG bw=0 dr=0 sf=12 freq=869525000 cputime=7523116
>>>> 001132 index=8 RX_TIMEOUT chan=0 rxslot=1 cputime=7753308
>>>>
>>>> Here it is when it succeeds:
>>>>
>>>> 002722 index=0 TX_SETUP phytxpwr=13 sf=12 bw=0 freq=868100000 cputime=40926
>>>> 002725 index=1 TX_START pwr=0 dr=0 chan=0 airtime=1483 cputime=41118
>>>> 002726 index=2 TX_DONE chan=0 done_time=1524073 cputime=1524101
>>>> 002728 index=3 RX_WIN1_SETUP dr=0 chan=0 timeout=7 cputime=6523111
>>>> 002730 index=4 RX_CFG bw=0 dr=0 sf=12 freq=868100000 cputime=6523115
>>>> 002731 index=5 RX_DONE chan=0 size=17 slot=0 machdr=20 cputime=7870616
>>>>
>>>> I recorded quite a few logs of success and failures, and I've pasted
>>>> them at the end of this email in case anyone wants to have a look. I
>>>> was examining them thinking that there might be an issue with the
>>>> timing of the RX Window1, but couldn't see any significant difference.
>>>>
>>>> Does anyone have this library working well? Are there perhaps any
>>>> configuration options that I missed?
>>>>
>>>> Thanks,
>>>>
>>>> Amr
>>>>
>>>>
>>>> --------------------------------------------
>>>> ln_log outputs below:
>>>> ==========WORKING LOGS==========
>>>> 002722 index=0 TX_SETUP phytxpwr=13 sf=12 bw=0 freq=868100000 cputime=40926
>>>> 002725 index=1 TX_START pwr=0 dr=0 chan=0 airtime=1483 cputime=41118
>>>> 002726 index=2 TX_DONE chan=0 done_time=1524073 cputime=1524101
>>>> 002728 index=3 RX_WIN1_SETUP dr=0 chan=0 timeout=7 cputime=6523111
>>>> 002730 index=4 RX_CFG bw=0 dr=0 sf=12 freq=868100000 cputime=6523115
>>>> 002731 index=5 RX_DONE chan=0 size=17 slot=0 machdr=20 cputime=7870616
>>>>
>>>> 008055 index=0 TX_SETUP phytxpwr=13 sf=12 bw=0 freq=868100000 cputime=40927
>>>> 008057 index=1 TX_START pwr=0 dr=0 chan=0 airtime=1483 cputime=41118
>>>> 008059 index=2 TX_DONE chan=0 done_time=1524073 cputime=1524101
>>>> 008061 index=3 RX_WIN1_SETUP dr=0 chan=0 timeout=7 cputime=6523111
>>>> 008062 index=4 RX_CFG bw=0 dr=0 sf=12 freq=868100000 cputime=6523115
>>>> 008064 index=5 RX_DONE chan=0 size=17 slot=0 machdr=20 cputime=7870607
>>>>
>>>> 002378 index=0 TX_SETUP phytxpwr=13 sf=12 bw=0 freq=868100000 cputime=40927
>>>> 002381 index=1 TX_START pwr=0 dr=0 chan=0 airtime=1483 cputime=41118
>>>> 002383 index=2 TX_DONE chan=0 done_time=1524073 cputime=1524101
>>>> 002384 index=3 RX_WIN1_SETUP dr=0 chan=0 timeout=7 cputime=6523111
>>>> 002386 index=4 RX_CFG bw=0 dr=0 sf=12 freq=868100000 cputime=6523115
>>>> 002388 index=5 RX_DONE chan=0 size=17 slot=0 machdr=20 cputime=7870608
>>>>
>>>> 002148 index=0 TX_SETUP phytxpwr=13 sf=12 bw=0 freq=868100000 cputime=40926
>>>> 002150 index=1 TX_START pwr=0 dr=0 chan=0 airtime=1483 cputime=41118
>>>> 002152 index=2 TX_DONE chan=0 done_time=1524073 cputime=1524101
>>>> 002154 index=3 RX_WIN1_SETUP dr=0 chan=0 timeout=7 cputime=6523111
>>>> 002155 index=4 RX_CFG bw=0 dr=0 sf=12 freq=868100000 cputime=6523115
>>>> 002157 index=5 RX_DONE chan=0 size=17 slot=0 machdr=20 cputime=7870615
>>>>
>>>> ==========NON WORKING LOGS==========
>>>> 001118 index=0 TX_SETUP phytxpwr=13 sf=12 bw=0 freq=868100000 cputime=40927
>>>> 001120 index=1 TX_START pwr=0 dr=0 chan=0 airtime=1483 cputime=41119
>>>> 001122 index=2 TX_DONE chan=0 done_time=1524076 cputime=1524104
>>>> 001124 index=3 RX_WIN1_SETUP dr=0 chan=0 timeout=7 cputime=6523114
>>>> 001125 index=4 RX_CFG bw=0 dr=0 sf=12 freq=868100000 cputime=6523118
>>>> 001127 index=5 RX_TIMEOUT chan=0 rxslot=0 cputime=6753310
>>>> 001128 index=6 RX_WIN2 rxslot=1 cont=0 freq=869525000 cputime=7523112
>>>> 001130 index=7 RX_CFG bw=0 dr=0 sf=12 freq=869525000 cputime=7523116
>>>> 001132 index=8 RX_TIMEOUT chan=0 rxslot=1 cputime=7753308
>>>>
>>>> 001462 index=0 TX_SETUP phytxpwr=13 sf=12 bw=0 freq=868100000 cputime=40925
>>>> 001464 index=1 TX_START pwr=0 dr=0 chan=0 airtime=1483 cputime=41117
>>>> 001466 index=2 TX_DONE chan=0 done_time=1524072 cputime=1524099
>>>> 001468 index=3 RX_WIN1_SETUP dr=0 chan=0 timeout=7 cputime=6523110
>>>> 001469 index=4 RX_CFG bw=0 dr=0 sf=12 freq=868100000 cputime=6523114
>>>> 001471 index=5 RX_TIMEOUT chan=0 rxslot=0 cputime=6753306
>>>> 001472 index=6 RX_WIN2 rxslot=1 cont=0 freq=869525000 cputime=7523108
>>>> 001474 index=7 RX_CFG bw=0 dr=0 sf=12 freq=869525000 cputime=7523112
>>>> 001476 index=8 RX_TIMEOUT chan=0 rxslot=1 cputime=7753306
>>>>
>>>> 001467 index=0 TX_SETUP phytxpwr=13 sf=12 bw=0 freq=868100000 cputime=40926
>>>> 001470 index=1 TX_START pwr=0 dr=0 chan=0 airtime=1483 cputime=41118
>>>> 001471 index=2 TX_DONE chan=0 done_time=1524072 cputime=1524100
>>>> 001473 index=3 RX_WIN1_SETUP dr=0 chan=0 timeout=7 cputime=6523110
>>>> 001475 index=4 RX_CFG bw=0 dr=0 sf=12 freq=868100000 cputime=6523114
>>>> 001476 index=5 RX_TIMEOUT chan=0 rxslot=0 cputime=6753307
>>>> 001478 index=6 RX_WIN2 rxslot=1 cont=0 freq=869525000 cputime=7523108
>>>> 001480 index=7 RX_CFG bw=0 dr=0 sf=12 freq=869525000 cputime=7523112
>>>> 001481 index=8 RX_TIMEOUT chan=0 rxslot=1 cputime=7753306
>>>>
>>>> 001420 index=0 TX_SETUP phytxpwr=13 sf=12 bw=0 freq=868100000 cputime=40924
>>>> 001422 index=1 TX_START pwr=0 dr=0 chan=0 airtime=1483 cputime=41115
>>>> 001424 index=2 TX_DONE chan=0 done_time=1524070 cputime=1524098
>>>> 001425 index=3 RX_WIN1_SETUP dr=0 chan=0 timeout=7 cputime=6523108
>>>> 001427 index=4 RX_CFG bw=0 dr=0 sf=12 freq=868100000 cputime=6523112
>>>> 001429 index=5 RX_TIMEOUT chan=0 rxslot=0 cputime=6753304
>>>> 001430 index=6 RX_WIN2 rxslot=1 cont=0 freq=869525000 cputime=7523106
>>>> 001432 index=7 RX_CFG bw=0 dr=0 sf=12 freq=869525000 cputime=7523110
>>>> 001434 index=8 RX_TIMEOUT chan=0 rxslot=1 cputime=7753304
>>>>
>>>> 001306 index=0 TX_SETUP phytxpwr=13 sf=12 bw=0 freq=868100000 cputime=40926
>>>> 001309 index=1 TX_START pwr=0 dr=0 chan=0 airtime=1483 cputime=41118
>>>> 001311 index=2 TX_DONE chan=0 done_time=1524075 cputime=1524103
>>>> 001312 index=3 RX_WIN1_SETUP dr=0 chan=0 timeout=7 cputime=6523113
>>>> 001314 index=4 RX_CFG bw=0 dr=0 sf=12 freq=868100000 cputime=6523117
>>>> 001316 index=5 RX_TIMEOUT chan=0 rxslot=0 cputime=6753310
>>>> 001317 index=6 RX_WIN2 rxslot=1 cont=0 freq=869525000 cputime=7523111
>>>> 001319 index=7 RX_CFG bw=0 dr=0 sf=12 freq=869525000 cputime=7523115
>>>> 001321 index=8 RX_TIMEOUT chan=0 rxslot=1 cputime=7753309
>>>>
>>>> 001202 index=0 TX_SETUP phytxpwr=13 sf=12 bw=0 freq=868100000 cputime=40924
>>>> 001204 index=1 TX_START pwr=0 dr=0 chan=0 airtime=1483 cputime=41116
>>>> 001206 index=2 TX_DONE chan=0 done_time=1524071 cputime=1524098
>>>> 001208 index=3 RX_WIN1_SETUP dr=0 chan=0 timeout=7 cputime=6523109
>>>> 001209 index=4 RX_CFG bw=0 dr=0 sf=12 freq=868100000 cputime=6523113
>>>> 001211 index=5 RX_TIMEOUT chan=0 rxslot=0 cputime=6753305
>>>> 001212 index=6 RX_WIN2 rxslot=1 cont=0 freq=869525000 cputime=7523107
>>>> 001214 index=7 RX_CFG bw=0 dr=0 sf=12 freq=869525000 cputime=7523111
>>>> 001216 index=8 RX_TIMEOUT chan=0 rxslot=1 cputime=7753304
>>>>
>>>> 001049 index=0 TX_SETUP phytxpwr=13 sf=12 bw=0 freq=868100000 cputime=40926
>>>> 001051 index=1 TX_START pwr=0 dr=0 chan=0 airtime=1483 cputime=41118
>>>> 001053 index=2 TX_DONE chan=0 done_time=1524075 cputime=1524102
>>>> 001055 index=3 RX_WIN1_SETUP dr=0 chan=0 timeout=7 cputime=6523113
>>>> 001056 index=4 RX_CFG bw=0 dr=0 sf=12 freq=868100000 cputime=6523117
>>>> 001058 index=5 RX_TIMEOUT chan=0 rxslot=0 cputime=6753311
>>>> 001060 index=6 RX_WIN2 rxslot=1 cont=0 freq=869525000 cputime=7523111
>>>> 001061 index=7 RX_CFG bw=0 dr=0 sf=12 freq=869525000 cputime=7523115
>>>> 001063 index=8 RX_TIMEOUT chan=0 rxslot=1 cputime=7753308
>>>
