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Last activity 2017-11-21 14:38:10 +0200 by Martin Børs-Lind flag of Norway

Shall i use Doubler circuit using MCP1640 with single AA battery power supply for nRF52832?

Hello Sir,

I have developed small and compact product using nRF52832 Soc. Due to size limitation and device is portable. I have attached snap shot of power supply circuit as per this circuit this switch is use only for ON ... (more)

32
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no
votes
1
answer
Last activity 2017-11-08 15:11:08 +0200 by samer

running arm-none-eabi-dgb on nRF52 with soft device

Hi,

I'm trying to run the gdb on the nRF52 with softdevice s132 and in the begining it runs ok but after some time when I run (gdb) list I get: "Line number 435 out of range; main.c ... (more)

56
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no
votes
1
answer
Last activity 2017-10-31 09:05:04 +0200 by Jørgen Holmefjord flag of Norway

SPI Example Symbol cannot be resolved

I'm trying to set up SPI example from SDK12.3, but I get error at line 53 of main.c

static const nrf_drv_spi_t spi = NRF_DRV_SPI_INSTANCE(SPI_INSTANCE);

It's saying

Symbol "NRF_SPI0" could not be resolved

Symbol "SPI0_TWI0_IRQn" could not ... (more)

84
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1
vote
1
answer
Last activity 2017-10-27 11:30:59 +0200 by Jørgen Holmefjord flag of Norway

Problems to manage SPI pins to communicate with the slave.

Hi to everyone!

I'm trying to use the nRF52832 board as master to use an external device (as slave) through SPI. I take the example peripheral/SPI to start to learn how to work with this. In the example ... (more)

141
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no
votes
1
answer
Last activity 2017-10-13 17:42:36 +0200 by sosse

SHT10 temperature and humidity sensor library for nRF52832

Hi,

I'm building a project with nRF52832 dev kit and the SHT10 temperature and humidity sensor, I'm searching for a library/example project of this sensor and the nRF52. So far I didn't find one, are you ... (more)

89
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answers
Last activity 2017-10-06 18:17:06 +0200 by Anesh

sd_ble_uuid_vs_add () returns err_code = 16 (#define NRF_ERROR_INVALID_ADDR (NRF_ERROR_BASE_NUM + 16) ///< Bad Memory Address)

Hi, I am using nRF52832 with S132 softdevice and SDK version 11. I am getting bad memory address error code.

err_code = sd_ble_uuid_vs_add (&base_uuid, &ble_service->uuid_type);
if (err_code != NRF_SUCCESS){
SEGGER_RTT_printf(0, "err_code: %d \n", err_code);
return err_code;
}

Can anybody help me ... (more)

43
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1
vote
1
answer
Last activity 2017-10-06 11:41:08 +0200 by Jørgen Holmefjord flag of Norway

Sending via NFC, after NFC Wake Up on SD132

Hello there,

my goal is to wake up via NFC from POWER_OFF Mode (sd_power_system_off). Then right after the nfc wake up sending some information (e.g. UUID) via the NFC module.

There seems to be a bunch of complications.

1 ... (more)

69
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no
votes
1
answer
Last activity 2017-09-27 06:06:43 +0200 by cswanson420

Halting at SVCall(SD_SOFTDEVICE_ENABLE, ...)

Hi,

I'm trying to write unit tests and have arrived at the point to write tests for ble characteristic addition to a service.

To offer some background, I have written a test harness called Yoke that will flash an ... (more)

60
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no
votes
1
answer
Last activity 2017-09-14 11:28:39 +0200 by Jørgen Holmefjord flag of Norway

LED1/2/3/4 are ON

I am running example: nrf5-ble-tutorial-advertising on a nRF52-DK. with SDK 11 and s132_nrf52_2.0.0 softdevice. When I flash the code to the nRF52-DK, LED1, LED2, LED3 and LED4 are ON. My Main.c code is:

/** @file
 *
 * @defgroup ble_sdk_app_template_main main ...
(more)

93
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no
votes
1
answer
Last activity 2017-09-13 09:17:56 +0200 by Jørgen Holmefjord flag of Norway

ble app uart problems

hi i have a problem with ble app uart.i used nRF5_SDK_12.3.0_d7731ad and Eclipse Mars 2. I had build main.c in hex ble_app_uart\pca10040\s132 . And after that a maked mergehex with s132_nrf52_3.0.0_softdevice.hex.i ... (more)

78
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no
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no
answers
Last activity 2017-09-12 16:03:42 +0200 by Petter Myhre flag of Norway

no logs in terminal for ble_app_uart_c

I am using the nRF52832 in Rigado BMD-301 module. Updated to s132_nrf52_5.0.0 and nRF5_SDK_14.0.0_3bcc1f7, built the ble_app_uart_c without any changes and programmed it on the board using nRFgo Studio. The problem is that i cannot see ... (more)

110
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no
votes
2
answers
Last activity 2017-09-06 13:05:51 +0200 by tla22

Update packet info in radio_event_handler

I work with gcc on nordic nrf52 SDK13.0.0. I see the post: https://devzone.nordicsemi.com/questi...

But if I try to change the packet in the radio_event_handler in active state, with ble_advdata_set(), I got a HardFault_Handler() interrupt.

Why?

155
views
no
votes
1
answer
Last activity 2017-08-31 11:02:17 +0200 by Petter Myhre flag of Norway

cannot transfer 100 bytes everytime (s132_nrf52_5.0.0+nRF5_SDK_14.0.0_3bcc1f7+ble_app_uart)

hi,everyone!

we use the example

"nRF5_SDK_14.0.0_3bcc1f7\examples\ble_peripheral\ble_app_uart\pca10040\s132"ble_app_uart,

we also defined

"#define NRF_SDH_BLE_GATT_MAX_MTU_SIZE 103" in the sdk_config.h,but we can only transfer 20 bytes everytime.

we want to transfer 100 bytes everytime ... (more)

55
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no
votes
1
answer
Last activity 2017-08-30 09:38:06 +0200 by Martin Børs-Lind flag of Norway

Writing in SD card at fixed time-intervals by reading from ADC

Hi,

I have successfully sampled my signal using SAADC example at a sampling frequency of 10 Hz. I am using a flag in the saadc_callback() function which I read from the main() function and accordingly instruct to write the sampled ... (more)

59
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no
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no
answers
Last activity 2017-08-22 17:26:56 +0200 by vishal

How to read ADC channel one and then Second then third? [closed]

Hello sir, I am using nRF52832 board and interface with 3 axis accelerator reading ADC for 3 Channel. I have use sample code for controlling in timer/RTC mode. My ADC is in scan mode. So sir my question is ... (more)

35
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no
votes
no
answers
Last activity 2017-08-21 16:20:22 +0200 by ndarkness

Does setting down SPIS_CSN_PIN for one SPI instance affect the other?

Hello,

I have a brief question regarding to SPI, I have two instances of SPI, SPI0 and SPI1, I was wondering whether or not changing the value of SPIS_CSN_PIN to SPI0 would affect to SPI1 and viceversa. Could you enlighten ... (more)

96
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1
vote
1
answer
Last activity 2017-08-21 12:29:07 +0200 by Jørgen Holmefjord flag of Norway

How do I specify my register address for SPI driver interface?

Hello,

I am using SPI interface to communicate with a sensor BMI160, looking into the driver for BMI160 I can see how the low level functions for reading/writting are used like this

read(dev->id, reg_addr, data, len);

However ... (more)

56
views
1
vote
1
answer
Last activity 2017-08-18 11:52:50 +0200 by ndarkness

Can I use same handler for two different SPI's interfaces?

HEllo,

I was wondering whether or not is advisable to use the same handler to handle transmission/reception of data over SPI0 and SPI1 interfaces.

I have two sensors connected each one to each SPI, let's say sensorA to ... (more)

238
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1
vote
1
answer
Last activity 2017-08-08 11:27:07 +0200 by Hung Bui

SDK13 NRF_ERROR_NO_MEM at sd_ble_gatts_characteristic_add()

Hello, when starting a new project I took the nice Heart-Rate-Example which works fine at my PCA10040. Then I started to add services and characteristics by copying and adapting the HRS - I know that I will have to declare them ... (more)

45
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no
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no
answers
Last activity 2017-08-07 22:07:18 +0200 by Renix

Setting in IAR to program nrf52832 without Power cycling

Is there a Setting in IAR to program nrf52832 without Power cycling

nrf52832 does not start after programming from IAR IDE, using J-Link

But.. For both With J-Link EDU, and J-Link Standard, it works if I use SEGGER J-Flash Lite ... (more)

68
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no
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no
answers
Last activity 2017-08-07 15:29:55 +0200 by DMS

nRF blinky application button press

We am improvising nrf blinky application, we have got stuck in a problem, after button is pressed from nrf52-dk code goes into forever loop and after a while connection is lost.

74
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no
votes
1
answer
Last activity 2017-08-03 10:48:41 +0200 by endnode

Connect two NRF52 board over BLE and display data to Terminal

Hi everyone , I am trying connect two NRF52832 board over Bluetooth then display on Terminal over UART . Pls , give me an example for this problem . Regard.

110
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no
votes
no
answers
Last activity 2017-08-02 17:02:06 +0200 by muyang

GPIOTE interrupt

hi, I used gpiote to capture an external interrupt when I found an anomaly.           I configured the interrupt input io, burn the program can be normal operation, when I power down the device, and then re-power, found that the equipment ... (more)

58
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no
votes
2
answers
Last activity 2017-08-01 12:53:19 +0200 by Sigurd flag of Norway

usage of crypto example

Hi team,

I have seen the example of crypto in the SDK_12.3.0. I want to learnt it. But I don't know how to use it, because there is not keil project file, and I hadn't search ... (more)

93
views
1
vote
2
answers
Last activity 2017-07-31 18:02:17 +0200 by Hung Bui

Getting own bluetooth address of device

Hello,

I have migrated from SoftDevice S130 2.0.1 to SoftDevice S132 3.0.0 and found one mismathing in ble_gap_evt_connected_t structure.

There is absent an own_addr field which excites in previous version. I used that field to get ... (more)

2k
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no
votes
1
answer
Last activity 2017-07-31 16:49:01 +0200 by Bjørn Spockeli flag of Norway

Porting from SDK11 to SDK13.

Hi Team,

We are using board PCA10040 wtih nRF52832 SDK 11. We got nRF5_SDK_11.0.0_freertos_dfu_060516.zip Production SDK which is working fine for me. I am using project "ble_app_hrs_freertos".

Now we are planning to Port it to SDK 13 ... (more)

1k
views
no
votes
1
answer
Last activity 2017-07-31 13:16:55 +0200 by Bjørn Spockeli flag of Norway

PPK Question [closed]

Hello,

We encounter the problem after upgraded the PPK software. There are different results when using PPK v1.0.0 and v1.1.0.

  1. Using PPK v1.0.0 image description

  2. Using PPK v1.1.0 image description

(The highlighted spikes are active by ... (more)

64
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no
votes
no
answers
Last activity 2017-07-31 06:11:35 +0200 by cswanson420

APP UART COMMUNICATION ERROR eror code list

Where is the list of error codes associated with this: APP UART COMMUNICATION ERROR?

I am getting a 12 and I have no idea what that means?

I've looked through the questions and there only seems to be answers ... (more)

201
views
4
votes
1
answer
Last activity 2017-07-30 15:51:20 +0200 by Ameer.Sheik

lightcontrol demo in Bluetooth Mesh SDK v0.9.1-alpha, why is there "Not in RUNNING state" on RTT?

Hi there, I have four nRF52 DKs, 52832 board. I make one board as client and three boards as server. After flashing corresponding softdevice and application firmware, they can start to run. But after provisioning, I tried to press button ... (more)

46
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no
votes
no
answers
Last activity 2017-07-28 17:49:46 +0200 by developer

Searching for a UUID when trying to connect to a peripheral

I am trying to connect to a peripheral device advertising f0000000-0114-4000-B000-000000000000 as the UUID. The peripheral adds it to the stack via sd_ble_uuid_vs_add after making it a ble_uuid128_t value. On the central device I want to hard code it so ... (more)

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