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4
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Last activity 2017-09-22 23:37:44 +0200 by alikob

Can I combine beacon code and HID keyboard code?

I need an application that always advertise the beacon information, such as RSSI and Major and Minor value. At the same time I would like to transmit HID keyboard code. Is it possible to combine these two code? I read ... (more)

15
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Last activity 2017-09-22 21:34:53 +0200 by Ed

how to enter "power down" mode in nrf52832

Hello,

I was using the nrf24LE1 where i used hal_nrf_set_power_mode() to set the radios' power down mode. Options are power-up and power-down. This is when i was using the HAL_NRF library.

Now I am migrating functionality to the nrf52832 in ... (more)

7
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Last activity 2017-09-22 20:55:23 +0200 by superpak

BPROT Protecting Bootloader nRF52832

nRF52832 SDK14.0

Hi, how can I protect the bootloader from being overwritten? Ideally, I would never be updating the bootloader so it will be a permanent part of the device. How can I make sure nothing can overwrite/erase ... (more)

7
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answers
Last activity 2017-09-22 20:45:08 +0200 by Tgage

Issue using NRF_DRV_TWI_XFER_DESC_TXRX TWI master driver

At the very end of this post from Nordic Info center I am doing the exact example at the very end.

http://infocenter.nordicsemi.com/inde...

This is the start to do a transmit read transaction ===>

nrf_drv_twi_xfer_desc_t xfer = NRF_DRV_TWI_XFER_DESC_TXRX(addr ... (more)

7
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answers
Last activity 2017-09-22 20:27:34 +0200 by John DeWitt flag of United States

Fstorage - fs_erase causes connection failure

Hello,

I'm encountering a very strange problem while attempting to run an fstorage fs_erase operation on my peripheral device when the central is connected. This is on a nRF52832, SDK 12.1.0, SoftDevice S132 v3.0.0 and ... (more)

10
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answers
Last activity 2017-09-22 17:02:22 +0200 by rtakaki

how to arm cross compile pc-ble-driver

Hi all,

I would like to know how to cross compile the pc-ble-driver-py for arm target. Do you please have a prooceding tutorial for this activity?

Thanks in advance and best regards,

7
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Last activity 2017-09-22 16:58:32 +0200 by rtakaki

pc-ble-driver arm cross compiling

Hi all,

I would like to know a proceeding to compile the pc-ble-driver-py for arm processors. could you please show me how to do that?

Thanks and best regards,

21
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Last activity 2017-09-22 16:41:26 +0200 by sijohans

Usage of Nordic Semiconductors proprietary UART service for commercial products

As stated in the topic. We use BLE to simulate UART. As for now, we have defined our own UUIDs but there would be more straight forward to use the well defined and used one by Nordic. However, is it ... (more)

25
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Last activity 2017-09-22 14:23:06 +0200 by supernovah

Printf on 52840 causes Hard Fault in _Balloc

Hey there,

I'm using the nRF52840 and have all sorts of problems trying to using dynamic memory allocation. I'm trying to develop on an example project from ./examples/ble_peripheral/ble_app_uart. Firstly I had to modify the project because ... (more)

11
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Last activity 2017-09-22 13:43:19 +0200 by StefanNoll

Intersection of PDM Module with TWI Module

Dear Nordic team,

I have a running NRF52 with a firmware based on the freeRTOS demo. To this demo I added the PDM Support Module and the TWI Module. As soon as both sensors are available, I get very random ... (more)

7
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Last activity 2017-09-22 12:37:52 +0200 by Dev

ERROR:Connection Request Failed, reason 7

I am using a NRF52-based platform and have BLE code based on the ble_app_hrs_c Hear rate monitor system.

Having set up for scan, I see many device (we have a lot of beacons around).

I can also see the device ... (more)

10
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Last activity 2017-09-22 12:16:54 +0200 by Abhinav

Implementing UART profile between NRF52832 (as central) and HM10 (as peripheral)

I am facing some issue, I am using HM10 ble module as peripheral and NRF52832 (Redbear NANO v2) as central device. I using SDK "nRF5_SDK_12.3.0_d7731ad" and example program "nRF5_SDK_12.3.0_d7731ad\nRF5_SDK_12.3.0_d7731ad\examples\ble_central\ble_app_uart_c". I ... (more)

8
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Last activity 2017-09-22 11:45:49 +0200 by All4here

Reading the Body Sensor Location characteristic

Hello i am using the nrf52840 with sdk 13. on the client side i saw you are catching the cccd_handle. for the heart rate characteristic. basically i am leaning the basic concept of data Transfer like characteristics.

how can read ... (more)

8
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answers
Last activity 2017-09-22 11:40:14 +0200 by Tron

Multilink Peripheral BLE Services

Hello,

for multilink client services Nordic introduced the *_EVT_DISCOVERY_COMPLETE events and the *_c_handles_assign functions. Like the BLE_BAS_C_EVT_DISCOVERY_COMPLETE event and the ble_bas_c_handles_assign function for the Batterie Client Service

What is the procedure for multilink server services like the Batterie Server Service ... (more)

13
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answers
Last activity 2017-09-22 09:49:51 +0200 by Hung Alan

sdk14 hids_keyboard error

I am working in sdk14 nrf52832 ble_app_hids_keyboard_pca10040_s132. I set the .allow_repairing flag to true :

static void pm_evt_handler(pm_evt_t const * p_evt) { case PM_EVT_CONN_SEC_CONFIG_REQ: { // Reject pairing request from an already bonded peer. pm_conn_sec_config_t conn_sec_config = {.allow_repairing = true}; pm_conn_sec_config_reply(p_evt->conn_handle, &conn_sec_config); } break; .....

Then ... (more)

18
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answers
Last activity 2017-09-22 07:19:27 +0200 by Amit

Invalid memory access fault during DFU

Hi, We are in the process of upgrading our firmware from SDK 13 to SDK 14. We are hitting an issue with DFU, where nrf_fstorage_erase function receives a fault (Fault id: 0x00001001) while erasing settings page.

Relevant snippet of the ... (more)

19
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answers
Last activity 2017-09-22 06:38:15 +0200 by prasanna

Issue with initializing pstorage twice ??

According to here , pstorage_init should not be initialized twice.It links to another thread and the documentation which says the same but does not mention downfalls of doing so.

In my scenario, my error handler re-initialises the whole stack including ... (more)

17
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answers
Last activity 2017-09-22 06:21:40 +0200 by Mitch996

BLE Mesh DFU - which bootloader to use with nrf5240?

Hello: I'm about to test out the ble mesh dfu, and to do that I need to flash my device, which is nrf52840, with precomped bootloaders.

Now here is the problem: Which one should I choose? They are device-specific ... (more)

21
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answers
Last activity 2017-09-22 01:50:28 +0200 by Dave_couling

High Idle Current using SAADC Low Power

I have a 3 channel setup on my SAADC module, which I sample according to a LFCLK timer. I notice after the first called to nrf_drv_saadc_sample() and receipt of the ADC results, it seems the HFCLK is not shutting off ... (more)

19
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answers
Last activity 2017-09-22 00:33:13 +0200 by ajc

issues loading and running with NRFgo

Hello,

I seem to be missing a fine point when attempting to erase and program the entire NRF52386 either from NRFgo or using the command line nrfjprog.

From NRFgo, I do the following:

  • erase chip
  • program softdevice
  • program bootloader
  • program ...
(more)

18
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answers
Last activity 2017-09-21 20:23:03 +0200 by tanekaf

Custom board & SDK v14 bootloader

Hi. We recently upgraded from SDK13 to SDK14. All was well until we integrated the bootloader. We are using Laird's BL652. We updated the bootloader's config to use NRF_CLOCK_LF_SRC_RC, NRF_SDH_CLOCK_LF_RC_CTIV = 16, NRF_SDH_CLOCK_LF_RC_TEMP_CTIV = 2, and NRF_SDH_CLOCK_LF_XTAL_ACCURACY = 7 to match ... (more)

23
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Last activity 2017-09-21 20:13:45 +0200 by Jerod

definition of clock parameters in SDK14 (sdk_config.h)

I ran into the issue where the clock definitions were defined in both the "board_pcaXXX.h" file and the sdk_config.h.

e.g. NRF_SDH_CLOCK_LF_XTAL_ACCURACY NRF_SDH_CLOCK_LF_SRC NRF_SDH_CLOCK_LF_RC_CTIV NRF_SDH_CLOCK_LF_RC_TEMP_CTIV

I didn't realize they had moved to sdk_config.h, and obviously, when ... (more)

19
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answers
Last activity 2017-09-21 18:33:39 +0200 by Mik

TIMER_TASKS_START increases power consumption when TWI is in use from 13uA to 450uA

Hi, i would like to implement a very low power counter and used the template from this post. I've modified the example and used TIMER2 in counter mode triggered by LPCOMP through PPI. This worked fine and results in ... (more)

17
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answers
Last activity 2017-09-21 16:56:07 +0200 by DavidC

Set up MTU and DLE with SD 132 ver 4

Hello community,

I have a central device which I implemeted, it is running with SD 132 v 4 ("NRF_SD_BLE_API_VERSION=4") ) the chip is a NRF52832, I have some movement sensors which are able to send 8,20 and 30 bytes ... (more)

48
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Last activity 2017-09-21 14:38:51 +0200 by Mariano

Problems to add more services next to NUS

Hi there,

In my SDK12- SD132 NRF52 app, I'm running NUS ok, and I want to add two more services. So, I made this changes at ble_stack init:

ble_enable_params.common_enable_params.vs_uuid_count =4;
ble_enable_params.gatts_enable_params.attr_tab_size = 2000;

In services_init function ... (more)

21
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answers
Last activity 2017-09-21 12:39:56 +0200 by pbn4

Examples decoding bv32fp

Hello,

Are there any examples of decoding sound stream using bv32fp? I try to play with thingy firmware and I'm able to easily change the codec, but I can not find a way to decode it on e.g ... (more)

25
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answers
Last activity 2017-09-21 10:19:08 +0200 by Jørgen Holmefjord flag of Norway

SDK14: determine what modules to link/enable

Hi!

I once set up a simple project using SDK 12 and the HRS example.

Now I tried porting it to SDK 14 and SD 5. That didn't work out well.

So I started things from scratch. I now ... (more)

27
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answers
Last activity 2017-09-21 09:37:23 +0200 by hiroponie flag of Japan

After disconnected, why does electric current increase ?

Now facing the problem "After disconnected, the electric current increases"...

I think softdevice is working hard even after disconnected when connecting once. Could you tell me how to back to the calm state of softdevice by sd function(s)

Is ... (more)

25
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answers
Last activity 2017-09-21 06:57:36 +0200 by honest_trefor

Thingy52 upload Sample Project OTA

Hi everyone,

I have moved from the cable connection firmware upgrade to the OTA-DFU using the nRF52 dev kit. I am able to download the firmware from nordic's website and upload the pre-zipped file without any issue. I start ... (more)

22
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answers
Last activity 2017-09-21 06:20:23 +0200 by Dave_couling

Power Optimized FreeRTOS? Any examples?

Are any of the freeRTOS examples Power Optimized? I've looked into other related posts but not sure anyone is seeing the same issues I'm seeing. I'm using a Rigado BMD300 and I can't get it to ... (more)

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