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Last activity 2017-04-21 16:30:15 +0200 by run_ar

How to read 0x1801 gerneric attribute service in iOS ?

Hi,

I have changed in my services so I have added 0x2A05 (service changed) characteristic in my 0x1801 service. But I am not able to read the service.

In didDiscoverServices I have below code.

- (void)peripheral:(CBPeripheral *)peripheral didDiscoverServices:(NSError ...
(more)

68
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1
vote
1
answer
Last activity 2017-04-19 12:55:41 +0200 by ToTo

high current in System off [closed]

I don't understand why i have a current consumption of 0.535mA in system off. In my soft i use PWM, SPI a Button,, I put all things off before i go to system off but still not understanding ... (more)

27
views
1
vote
1
answer
Last activity 2017-04-11 08:31:07 +0200 by Jørgen Holmefjord flag of Norway

Do I have any restriction with HW Pinout Peripheral when using s130?

if I use softdevice 130 Enabled, then do I have any restriction with using all of the pinout of NRF51xxx?

Or if I use Nrf-51 DK, Do I have any restriction with nrf 51xxx's full pinout functionality?

To Make ... (more)

203
views
2
votes
1
answer
Last activity 2017-04-08 12:37:25 +0200 by endnode

Can I get BLE Other Signal Indicator not just RSSI?

I'd like to collect other device's Signal information for more delicate communication.

For example, Some Peripheral device which is just next to Smartphone (which can interfere signal -> RSSI value changes capriciously) might be scanned by central, but it ... (more)

50
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1
vote
1
answer
Last activity 2017-04-05 05:32:59 +0200 by Daniel T. Lee

does UART is interrupted by BLE SEQUENCE?

Q0. What IRQ Priority does BLE Has? and also what IRQ Priority does UART can have?

I'm guessing that from s130's document P65, Exception Model, It says,
Softdevice Timing Critical has Cortex M0 priority 0,
Application Interrupt priority ...

(more)

51
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1
vote
1
answer
Last activity 2017-03-31 17:15:54 +0200 by Prasad

Data base discovery fails for vendor specific service when DFU included

Edit 1

To narrow down I did this... Below is ble_dfu_init() from ble_dfu.c.

uint32_t ble_dfu_init(ble_dfu_t * p_dfu, const ble_dfu_init_t * p_dfu_init)
{
    uint32_t      err_code;
    ble_uuid_t    ble_uuid;
    ble_uuid128_t nus_base_uuid = BLE_DFU_BASE_UUID;

    VERIFY_PARAM_NOT_NULL(p_dfu);
    VERIFY_PARAM_NOT_NULL(p_dfu_init);

    p_m_dfu = p_dfu; // TODO: find a nicer solution to ...
(more)

51
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3
votes
1
answer
Last activity 2017-03-30 11:37:49 +0200 by Jørgen Holmefjord flag of Norway

SAADC callback

I have this working and producing good and accurate results, but I'm still puzzled by some of the examples in the SDK and the documentation.

I am using the processor to call for the saadc sample (i.e, not ... (more)

52
views
no
votes
1
answer
Last activity 2017-03-28 13:17:37 +0200 by Kristin flag of Norway

nrf51822 advertising packet not detected

Hi,

I would like to ask your support for a very unusual problem that I'm facing with a project based on nrf51822.

The board under test is based on nrf51822, SDK12.1, softdevice S130. The nordic example used for ... (more)

38
views
3
votes
1
answer
Last activity 2017-03-28 11:29:56 +0200 by run_ar

How can I enable gatt_cccd notification automatically?

I've searched for enabling notification, but there are some points that I can't understand.

GATT characteristic attributes and characteristic cccd values are dedicated to GATT_S.

Q1. To Enable my GATT_S characteristic notification, which device is responsible for enabling ... (more)

41
views
3
votes
1
answer
Last activity 2017-03-28 09:56:55 +0200 by Prasad

HardFault_Handler() called when NRF_LOG_ENABLED is disabled

In my application when I disable NRF_LOG_ENABLED, HardFault_Handler() is getting called. To debug this issue I defined a HardFault_Handler() in my code and inserted a break point in it. Below is the backtrace

#0  HardFault_Handler () at main.c:165
#1 ...
(more)

27
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no
votes
1
answer
Last activity 2017-03-26 16:43:57 +0200 by endnode

How to fetch peer's base uuid?

Hi experts,

I have just tried lbs example. I saw in the ble_lbs_c.h, the base uuid and service uuid are defined for the peripheral peers who are going to be connected. However, if I don't know these uuids ... (more)

45
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no
votes
1
answer
Last activity 2017-03-22 11:02:26 +0200 by Jørgen Holmefjord flag of Norway

Beacon and Central

Good afternoon.

I have 2 boards NRF51:

  • One as beacon (SDK 9), use example code "nRF51_SDK_9.0.0\examples\ble_peripheral\ble_app_beacon".

  • The other as central (SDK10, softdevice s130), use example code "nRF5_SDK_10.0.0\examples\ble_central\ble_app_uart_c" to read beacons ...

(more)

34
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no
votes
no
answers
Last activity 2017-03-22 10:54:04 +0200 by Hung Bui

Bonding issue in SDK11 with ANCS

Hi I am using SDK11 with S130, NRF51822 that using ANCS and facing bonding problems after reach the max bonds. Reference to nRF51-ble-peripheral-bond-handling example, I use the ble_app_ancs_c project example and add app_bond.c and app_bond.h to the project ... (more)

71
views
1
vote
1
answer
Last activity 2017-03-20 13:56:34 +0200 by Kristin flag of Norway

Does SoftDevice S130 V.2 have limitation in L2CAP_MTU size by 23 bytes?

Hello,

I want to clarify one thing related to the limitaion in SoftDevice S130 V.1 of L2CAP_MTU size by 23 bytes. Is any way to extended it?

Because I see that changes BLE_L2CAP_MTU_DEF higher than 23 follows that sd_ble_l2cap_tx ... (more)

55
views
1
vote
1
answer
Last activity 2017-03-20 11:09:37 +0200 by endnode

How can I found out my NRF51's device Address? (with Softdevice using Random static address?)

How can I found out my NRF51's device Address? (with Softdevice using Random static address?)

Does Softdevice has any API for fetching my device's BLE Address?

As I Know, default Softdevice address has Random static address, and It ... (more)

57
views
1
vote
1
answer
Last activity 2017-03-15 09:44:11 +0200 by Daniel T. Lee

How to save data persistently(non-volatile) to nRF51 core not effected by powering off and on?

How to save data persistently(non-volatile) to nRF51 core not effected by powering off and on?

(How to save static data persistently without deleted when the core is turned off and on?)

I think there is some kind of an ... (more)

79
views
no
votes
1
answer
Last activity 2017-03-14 20:26:03 +0200 by endnode

Communication between nrf52

hi, i was looking for example of two nrf52 communication. One is central of course and other one is peripheral. But i have following doubts. 1. If one is central then how peripheral device will connect to central? Are we ... (more)

113
views
1
vote
no
answers
Last activity 2017-03-14 12:00:08 +0200 by max

SDK12.2 nrf_delay_us 32MHz

Hi,

I use nrf51822 with HF XTAL Frequency of 32 MHz

I am migrating from SDK9 S110 to SDK 12.2 S130 and have a problem that the code stop on nrf_delay_us.

#ifndef CLOCK_ENABLED
#define CLOCK_ENABLED 1
#endif
#if  CLOCK_ENABLED ...
(more)

64
views
2
votes
1
answer
Last activity 2017-03-14 08:40:42 +0200 by endnode

About Change UUID

Hello, I want to bring some data by UUID. I know the ble_nus_init() can set UUID and I know it was set by sd_ble_uuid_vs_add(). But this way only change the UUID while chip start up. If I want change UUID ... (more)

69
views
1
vote
1
answer
Last activity 2017-03-13 10:12:09 +0200 by Jørn flag of Norway

why most of the examples of sdk 12's sdk config file has diffrent options?

why most of the examples of sdk 12's sdk config file has different options?

I'm trying to build an application that has Central and Peripheral Role application (and it needs to relay between two role), but when I ... (more)

45
views
1
vote
1
answer
Last activity 2017-03-12 22:14:37 +0200 by endnode

How to change Peripheral Role to Central Role without having concurrent Role?

How to change Peripheral Role to Central Role without having concurrent Role?

I know S130 Can have 8 Concurrent Role as Central, Peripheral, Observer, Broadcaster.

But I'd like to make one Single Role, not as an concurrent Role.

For ... (more)

29
views
no
votes
1
answer
Last activity 2017-03-08 12:59:57 +0200 by Gili Elias

Multi packets in SDK 7.2.0 bootloader

Hi, We are doing DFU updates through a nrf51422 dongle (data passing from UART to BLE), using our own code, based on the multilink central example.

The DFU peripherals are nrf51822, s110 7.0.0, SDK 7.2.0. The ... (more)

38
views
no
votes
1
answer
Last activity 2017-03-07 09:32:29 +0200 by Jørgen Holmefjord flag of Norway

NRF_DRV_ADC_DEFAULT_CHANNEL compiling error

Hi, When compiling my program on SEGGER embedded studio I get the error:

  Compiling ‘main.c’
    main.c
    expected expression before '{' token
    in expansion of macro 'NRF_DRV_ADC_DEFAULT_CHANNEL'

In the code:

    #define ADC_RIGHT   ADC_CONFIG_PSEL_AnalogInput2
    #define ADC_DOWN    ADC_CONFIG_PSEL_AnalogInput3
    #define ADC_LEFT    ADC_CONFIG_PSEL_AnalogInput4
    #define ...
(more)

130
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1
vote
1
answer
Last activity 2017-03-06 20:55:11 +0200 by Tarik

sd_ble_enable returns NRF_ERROR_NO_MEM

Hi, I am working on the examples\ble_peripheral\ble_app_uart sdk 12 example on SES.

I was first setting:

FLASH_START=0x1B000
SRAM_START=0x20001EB0

Then tried with app_ram_base value, which is:

FLASH_START=0x1B000
SRAM_START=0x20001FE0

In both cases the function sd_ble_enable returns ... (more)

61
views
no
votes
2
answers
Last activity 2017-03-01 14:49:31 +0200 by Tarik

Flash and debug using eclipse and GNU

Hi,

I used the code ble_app_uart_c on board 10028 as a base for my custom board.

My board is nrf51822 QFAA based so I changed all occurances of nrf51422 to nrf51822 and xxac to xxaa on the makefile. I also ... (more)

43
views
1
vote
1
answer
Last activity 2017-02-27 17:32:59 +0200 by tyler

Ble_app_hrs configuring serial monitor

I have a project that I am updating from nordic sdk 8.1 to 12.2. I was using the ble_app_hrs when on 8.1 and am now using it as a base in 12.2 also. In 8.1 ... (more)

282
views
1
vote
1
answer
Last activity 2017-02-24 12:13:10 +0200 by Sourabh Barve

won't reset chip after dfu

Hi,

I am using keil uvision 5.17, SD 130, nRF 51822, dualbank bootloader.


I have programmed own application and merged bootloader, application, soft device.

I can do dfu as many as I want,

but the problem is I should ...

(more)

89
views
1
vote
1
answer
Last activity 2017-02-21 14:32:22 +0200 by Kapil Singh Rawat flag of India

fs_store data lost after power off

Hi

I'm using fs_storage function to read and write in flash memory. Value successfully stored in evt->store.p_data but after power off it value become 0

switch(evt->id)
    {
        case FS_EVT_STORE:
            if(result == FS_SUCCESS)
            {
                stored_data = evt->store.p_data ...
(more)

29
views
no
votes
1
answer
Last activity 2017-02-20 16:42:51 +0200 by Jørgen Holmefjord flag of Norway

does s130 multilink support non-nordic ble peripherals

hi experts, I want to build a ble center based on s130 to collect sensor data from several peripheral devices. Some of them may not be from nordic solution, such as TI. so, i wonder if it's supported to ... (more)

34
views
1
vote
1
answer
Last activity 2017-02-17 15:12:32 +0200 by Definitely Confused

Reject when whitelist empty [closed]

Is there a way to reject requests when the whitelist is empty? I support clearing out the whitelist, but after clearing out the whitelist I would still like to reject connection requests. Is there a way I can do this ... (more)

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