CC2650: How to send data from Arduino to CC2650 over UART

I entered serial.begin(115200); when I try(Not 15200 ) as above.But didn't worked.

Hi sir,

I'm new to this.I'm not getting what you are asking. I just followed the instructions of above blog and edited udp-client.c and udp-server.c and just uploaded using flash Smart RF programmer 2.I can give inputs to launchpad using computer keyboard. Just like that I need to input from an arduino. to cc 2650...When inputing from computer keyboard we have to press ctrl+enter(type input and press ctrl+enter). So when I inputting integer values cc2650 not reading them.That's my question.

I can give computer keyboard inputs to ccc2650.It's working.My question is when using arduino to give input it's not reading.Is there any way to input them.

ARDUINO board's Tx LED is working.

sir,I also look arduino's serial monitor.It also okay.I checked the code .  "if(ev == serial_line_event_message && data != NULL) {"..............   this" if "condition works when pressing ctrl+enter. Please correct me if i'm wrong..Thank you very much sir for your continuous helps. Looking forward a reply from you.

Thank you very much sir. I will check. You mean there is no problem with"0x0A" character right?? I thought I have to send this character from arduino to launchpad at the end of each input .

Sir ,

I tried your example project https://sunmaysky.blogspot.com/2016/04/contiki-cc2650-adc-demo-using-dio23-as.html.

But in teraterm only this appears.

But according to your comments Teraterm should give continuous volatages at dio 23 pin.Can you know the what is the wrong.I simply replaced the code above for hello-world.c I think loop is not running.

Thank you sir.It's working!!!!

Sir,

Can we read the payloads of udp-clients after implementing 6lbr Through it's web-interface.(Just like udp-server reading it's clients payloads)???Or in 6lbr web interface is there any option to view payloads of recieved packets???

We are currently implementing 6LBR,but not finished yet. That's why asked.

Basically, every node in 6lbr network work like an IPv6 device. It means you create a server like COAP/HTTP/UDP for any client to access data. The data won’t go to 6lbr unsolicitedly.

This is when inputing "isuru" as pc keyboard input to cc2650 launchpad.

Above is when connected arduino tx to cc2650 tx. So it seems no problem with arduino..But when connected arduino tx to cc2650 rx the input is not getting.Sir do you know what's wrong??

I tried with 3 launchpads.I think it is not a problem with cc2650 rx pin functionality.

When arduino tx connected to cc2650 rx the serial monitor values of arduino also disappears.

I suggest you to use scope to check what the difference is.

Should I use any level shifter to convert 5V to 3.3V ???when connecting to cc2650 rx??

Thanks sir!!serial read also working!!!!

Sir,

Through Udp-client now I serially read inputs and dio 23 analog value. The tera term log as follows,

I put serial input and dio pin 23 analog value to the payload and sent to udp-server.Serial input data is correctly shown,but analog values are not displyong correctly at usp-server tera term print.

I put dio 23 analog readings to udp-client payload, but when receiving it shows a long number. Do you know what is  happened????

I suggest you to check raw data in your payload first.

Sir,

Raw data is printing correctly as integer values at udp client. I used your code on github to read analog reading dio pin 23(hello world) and pasted inside the serial input reading loop. It works fine and displays analog reading of dio 23 pin when serial input receiving .

So in the void loop of udp-client I just added singleSample( which is analog  value) to "printf " statement.In the first photo you can see it is okay and printing those values.Then I added 'singleSample'  to "sprintf" statemwnt which is payload in udp-client.

When I receive with udp-server those payloads the analog value become a identical large interger value with all payloads.But I think udp-server should receive that as it is %d integer value.

Do the analog reading also need a hex conversion when adding to payload just like serial input reading???

Yes.Thanks sir.Now it's working correctly.I only shifted the place of "singleSample" value position at  the sprintf statement. But if I put "singleSample" at the end of sprintf statement it will give garbage values. Only I needed to change variable position at the statement.

Sir,

How to read cc2650 input analog voltage readings to real voltages.

Ex- If teraterm displays 1200  how to convert it??

Please correct if I'm wrong.

Cc2650 pin voltages =3.3V

Adc input size = 12 bits

Real value =( 3.3/4096)*1200

Is this correct ??

The ADC reading in my example is in mV scale.

Thanks . I use ASC712 current sensor module to sense the current.The Vout of that connected to dio 23 of cc2650 and I read voltages through teraterm(using  your code).

To calculate the current,

Can I directly  use your mV and refer asc712 datasheet and observe current values ??

Or

After conversion I have to refer datasheet ??

(3.3*1000)*1200/4096 and refer the datasheet to measure real current value???

I am not familiar with asc712 but I suppose you can use mV and refer asc712 datasheet to observe current values.

sir,

How to implement SNMP protocol in udp-client,border router environment. Please share your knowledge on this?? Can this possible??

Sorry, I don’t have experience on this topic.

It's okay sir. You helped me a lot. Thanks again.

Sir,

Do you know a current sensor which can measure mA range currents???

Try to refer to

Dear YK sir,

Do you know how to extract application layer data through border-router.c code ???    We need to extract application layer data just like udp-server does!!!  Through the 6lbr we can see packets are receiving.But we can't extract the data.

Thanks.

I couldn’t understand your question. Can you elaborate?

How to read incoming packet's payload through 6lbr(slip radio+rasberry pi) ?

( just like from udp-server we read all incoming packets to it) In udp- server" appdata" is the packet's payload  and we can print into a log using teraterm like tool. Just like that we need to read payloads of packets at 6lbr.

Basically, 6lowPAN is IP based service so you should run some services such as UDP or COAP server on device and you can create UDP or COAP client on 6lbr to request data from device.

Dear sir,

when making cc26xx web-demo.bin file this error is coming. I didn't made any changes to default web-demo.c file..(here rusiricoap.c= web-demo.c). I need to solve this issue.

Can you build original cc26xx-web-demo example successfully without any modification?

Dear sir,

when making cc26xx web-demo.bin file this error is coming. I didn't made any changes to default web-demo.c file..(here rusiricoap.c= web-demo.c). I need to solve this issue.

If you don’t rename web-demo.c to rusiricoap.c, do you see the proble?

Yes.Same issue if I make cc26xx-web-demo.c original file to bin

It seems that you overwrite something and cause this building issue. I suggest you to git a brand new source code to try again.

Yes.Sir. now I installed contiki-ng from github  and followed all steps. But now compiling it creates this error.  I searched on the web on this.It says the spaces between words in the command should be put using "TAB" ,not using space bar.But in my termial I can't use "tab" as space.Even I press TAB nothing happens.

I just try to git latest contiki-ng source codes and can build the example successfully by running "make TARGET=cc26x0-cc13x0 BOARD=launchpad/cc2650".

Sir,

I solved that problem. If "missing seperator error"pops we have to change like this,

"make ^ITARGET=cc26x0-cc13x0 ^IBOARD=launchpad/cc2650"

here ^I represents tab space..

Is the new version of contiki-ng's web-demo example get dio 23 pins input as a sensor reading and read it using coap???

https://sunmaysky.blogspot.com/2017/02/how-to-add-coap-resource-to-read-adc.html   or Do we have to follow the instructions of your blog???