I am getting get BLE_EVT_USER_MEM_REQUEST and BLE_GAP_EVT_CONN_PARAM_UPDATE event, when writing to ble device, sample code did not handle these event, and seems no document...
Hello:
Why do I erase SDK5.2 version of flash and read not, in SDK4.2 can. I tested nrf51_sdk_v5_2_0_39364\nrf51822\Board\nrf6310\flashwrite_example is a good example.However...
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,...
I have the eval board pca 10001. After compiling the demo app for nrf51822_xxaa (256k), keil displays "no cortex-m sw device found" when I trying to flash or debug from their...
Hi,
After provisioning a device using PB-GATT there is a 10 second delay after the PB-GATT connection is closed and the first Mesh Proxy Service advertisement is sent. ...
When I call:
zb_set_network_ed_role(ZB_TRANSCEIVER_ALL_CHANNELS_MASK);
to search for a network across all of the possible channels I can't connect. I can only connect...
Hi,
I'm wondering if it's possible to implement Wireless HART protocol using the nRF52?
If yes, can someone point me the right way (open-source libraries, etc)?
Much...
Hello,
Device NRF52 SDK15.3 SD 6.1 BLE_APP_UART
Host: IPAD mini 5th generation IOS 12.2
we are trying to configure BLE_APP_UART to communicate with IOS 12.2 device...
Hi,
In SDK15.3 USB MSC example can't work.
First, the computer does not recognize the USB MSC device and initializes it normally after calling nrfx_systick_init.
Secondly...
Hello,
What is the best way to prevent a client from writing wrong values into a characteristic? For example, I created a writable uint8 characteristic on a nRF52832 that...
I have a custom board SDK 15.2 API 6.1
I have a simple PWM going but it seems to just turn the low and set it high when i turn it on. It does not however seem to pulse according...
I've been trying to add a new BLE service to my device. I've followed the instructions in this tutorial , up to step 7 (so no characteristics or anything), but the device...
Hi all,
I have a theoretical question. What is the bearer layer? There are up to 4 bearers defined in the bearer layer: Advertising, GATT, PB-ADV, PB-GATT. How to make the...
I have gotten mqtt_simple working with iot.eclipse.org:1883. I am now trying to adapt it to use TLS. From other questions I have made the following changes:
diff --git a...
Hi
I had this problem. In my program, I send an archive with various data. I send the data using the notification. The central device is a smartphone with Android OS. If...
Hello,
I want to add another custom BLE service (custom 128 bit UUID) including its 4 characteristics (no separate 128 bit UUID / 20 byte characteristic value length), but...
Will Mesh DFU overwrite the mesh provisioning data on my device? Let's say I have a device that has been provisioned for my mesh network. If I issue Mesh DFU for the Bootloader...