before i write the flash, it has been erased.so ,its value is all 0xff.
when i write 0x00 to flash address 0x0001,the value read out is not 0x00 but 0x01,and the value in...
I'm looking for a way to use the nordic uart service ( devzone.nordicsemi.com/.../ble_sdk_app_nus_eval.html) from Linux using the native Linux BLE Stack (BlueZ). My application...
Hi,
I've created an application using the S110 experimental ANCS demo. I successfully implemented ANCS and then began to structure my application around it. At some point...
Hello,
In an ongoing company project we use a couple of nRF51 transceivers forming a beacon enabled wireless sensor network consisting of one base station and multiple...
I want to count clocks in order to implement a watch. I use the RTC0 as my time-base and count mainly with this device. As it has just 24 bits it would not last for long,...
Hi,
how long does it take time if i would wake up a nrf51422 rev2 (ANT and BLE) in deepest possible sleep mode ?
And how long does it tai if after wakeup it had to communicate...
I saw that the app_timer uses the SWI0. Could you explain what it does and what the advantage is compared to "timer_list_handler_sched()" calling "timer_list_handler()" directly...
Hi,
I am able to transfer data from my custom peripheral device with nRF52840, but data is moving much slower than it should.
I am writing 244 bytes into NUS within...
Hi,
I am trying to use Cbor library provided the SDK version 1.3.0, I have added the module in my prj.conf file, however the documentation (at the top of cborencoder.c)...
This is the name that is advertised when the device is in DFU bootloader mode.
I've copied the bootloader_secure_ble from /examples/dfu/ but I cannot find where to change...
Hi every body,
My system was able to wake up on gpio on dev kit but after adjusting pin , my custom board is not able to wake up.
I'm in debug mode, it was also working...
Hello,
I am trying to send a single adv packet when a certain condition in the application is met. To do this I am calling ADV_start for the initial adv packet and then...
These questions are in the context of using an nRF52840 in a serialization application. But I don't believe this will impact the information I am trying to understand. The...
I want to program the firmware into a nrf52840 on our custom board to be the NCP and do the DFU over thread. I can not use the DK board and have the nrfutil load the firmware...
Hi,
Our application uses MQTT over TLS to talk to a MQTT broker.
The MQTT APIs used are like in the 'mqtt_simple' sample code.
When mqtt_connect is called with invalid...
Hi,
I'm designing an application using SEGGER Studio for the nRF52832. I have based my application on the template peripheral example.
What I want to do is to trigger...
Hi--
I tried to implement an internally managed RTC using the app timer library, but came to find the error on that is too much for an RTC (~25 min lost over a few days...
I want to know which pins serve the purpose of TX and RX in nRF51822. I suspect its the ANT1 and ANT2 but i want to confirm and also if the following would be a good way to...
I just buy nrf52840 Dongle.
I connect nrf52840 Dongle to my USB port and open nrf Connect.
I look at guide https://devzone.nordicsemi.com/nordic/short-range-guides/b/getting...
Im using sdk 15.2 with 2 nrf52840 boards, i would like the server to connect to a particular client. How to add the devices to whitelist in sdk 15.2 ?. I have gone through...
Hello,
I am working on a scanner code, I have initialize my scanner with this parameters.
and in nrf_ble_scan_init()
It is getting reset once in the beginning like...
Hi,
without any obvious reason one of our nRF52840 DKs stopped being visible over the USB (J2) interface. The nRF52840 is still functional and can be programmed from another...