Reply To: Node-red Convert Hex number into signed floating number
Hi there, I have solved this by using following command. var battery = ((msg.payload).slice((msg.payload.length)-9,(msg.payload.length)-8)); var rBuf_battery = new Buffer(battery,'hex'); var...
View ArticleReply To: Microchip RN2483 – JOIN Failed
The answer is on this track http://www.multitech.net/developer/forums/topic/rn2483-cant-join-to-conduit/
View ArticlemDot running out of memory after around 800 frames
I’m using the ARM mbed IDE to code my mDot, and in my project I am using libmDot-mbed5 v2.0.15 with mbed-os v5.1.5. I was content with how my code worked and decided to run some endurance tests. The...
View ArticleReply To: mDot running out of memory after around 800 frames
Can you share the code in your main loop where you’re creating and populating the vector?
View ArticleReply To: mDot running out of memory after around 800 frames
std::vector<uint8_t> payload; int main() { /*--------LoRa Configuration-----------------*/ // Custom event handler for automatically displaying RX data RadioEvent events;...
View ArticleReply To: mDot running out of memory after around 800 frames
Forgot this little bit: void send_data(const std::vector<uint8_t>& data) { uint32_t ret = dot->send(data); if (ret != mDot::MDOT_OK) { logError("failed to send data to %s [%d][%s]",...
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Reply To: mDot running out of memory after around 800 frames
Can you try using libmdot-dev-mbed5? This reply was modified 1 hour, 3 minutes ago by Peter Ferland.
View ArticleReply To: mDot running out of memory after around 800 frames
I was originally using libmdot-dev-mbed5 and moved to the “not-dev” version, thinking that this might be an instability in the “dev” version. Although, I’m not sure I was using the mbed-OS version the...
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Reply To: mDot running out of memory after around 800 frames
They have been tested in similar conditions without failure. I have seen memory leaks in similar conditions in customer code but we have not been able to reproduce a problem with the library on our...
View ArticleNative compile on mLinux Conduit
I want to compile something on the gateway. Where can I download a pre-built compiler for the Conduit? I don’t want to use Bitbake and a cross-compile… Thanks, Mike
View ArticleReply To: Sending Array of objects to LORA o/p node.
Thanks Lawrence for your inputs. I am assuming the async node.send method is more efficient than sending it via an array object like i send it right now? Thanks, Ajay
View ArticleHttp In Node in node-red and cellular IP.
I am building a web api using the node-red “http in” node. Also my conduit is connected to the internet via cellular connection. I am able to send http requests using the http request node, but I am...
View ArticleReply To: Native compile on mLinux Conduit
All we provide pre-compiled is the toolchain for 64 bit AMD64. We do not have a native compiler. And usually one needs more than just the compiler. Here is access to the toolchain(SDK):...
View ArticleLTE connection problem
Hi, we have a Conduit model MTCDTIP-LEU1-220L-868-OP (LTE mLinux) and we encountered a problem while trying to set up the LTE connection. The /var/log/messages shows that it is unable to connect ppp0...
View ArticleReply To: Sending Array of objects to LORA o/p node.
Ajay not sure if it’s more efficient but it’s more obvious about what’s going on. E.g. you have to know about how NR processes arrays sent to an output. So it should be more maintainable for...
View ArticleReply To: mDot running out of memory after around 800 frames
Using mdot-library revision 2.0.16-7-ga61aab1 with mbed-os-5.3.4 I got to 1600+ frames (FCnt over 640) without any errors. Not bad so far! However, these 1600+ frames were sent with duty-cycle...
View ArticleReply To: Ultrasonic Sensor
The Maxbotix sensors have a number of interfaces, Analog, PWM, Serial or I2C. I’ve successfully used the Maxbotix sensors using the PWM option. The MB7137 uses I2C which will be fairly trivial to...
View ArticlexDot/mDot UART differences
Hi, Are there any differences in the mbed Serial library between the xDot and mDot version? I’m using the xDot UART1 to communicate with a serial device at 9600 baud. The same code, with a change in...
View ArticleReply To: Gateway not transmitting join confirm after OTAA
What is the 3rd party device? Is it listening on the correct channel for the join reply? Because the 915MHz conduit is a 8 channel, not a 64 channel gateway the device may be expecting a different...
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