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Last activity 2017-11-15 11:34:50 +0200 by Sigurd flag of Norway

Linker error Error[Lt009]: Inconsistent wchar_t size

Hi! I have download nRF5_SDK_14.1.0, and I have IAR Embedded Workbench IDE ARM 8.20.1

I want compile ble_app_eddystone.eww from examples, but have error:

Error[Lt009]: Inconsistent wchar_t size occ_lib_occ_curve25519.c.o(occ_lib_nrf52_iar.a) and 4 ...

(more)

45
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1
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Last activity 2017-10-31 11:09:14 +0200 by Jørgen Holmefjord flag of Norway

nRF52832 flash erase problem:cannot erase the third page

Hi,

Now I test flashwrite example using nRF52832 with software version V12.2.0. I want to erase all memory pages with the code bellow:

for(pg_num=0;pg_num<=pg_total_num;pg_num++)
   {
       addr = (uint32_t *)(pg_size * pg_num);  //pg_size=4096 Bytes
       flash_page_erase(addr ...
(more)

34
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1
answer
Last activity 2017-10-26 12:56:10 +0200 by Enero

nrf52832 DK PCA10040 ble cannot connect with linux (hcitool neither gatttool)

Hi,

I'm using Uart exemple to post data over BLE. Everything works fine as long as I'm connecting with my phone with BLE apps.

I would like to connect using a linux system to log data and execute ... (more)

49
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1
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1
answer
Last activity 2017-10-24 11:00:03 +0200 by Bjørn Kvaale

My sleep current is 20 micro Amps, How will I decrease to less consumption?

I am using power_manage function to keep low power sleep mode. And I used below peripherals in code, 1. SPI master, SPI master is disabling when ever I am not using. 2. Timer given in the example codes, i.e ... (more)

28
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Last activity 2017-10-24 09:04:33 +0200 by Santosh Tangudu

What is the reason behind to small power consumption peaks at every 6 milliseconds when CPU is in low power Sleep mode

When I am using power manage function to keep device low power mode, for every 6 milliseconds I am getting small spike of ~300 micro Amp and average current of 300 micro Amp for 400 micro Seconds. I attached images ... (more)

75
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2
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Last activity 2017-10-12 14:32:29 +0200 by Krzysztof Zaraska

Measuring elapsed microseconds between 12 successive rising edges on 12 GPIOS on NRF52832 DK

Hi everyone,

I'm new with nrf52832, and I need to measure elapsed time in microsecond between rising edges of 12 different Gpios. I have 12 piezoelectric sensors filtered, amplified, getting a 0V-3.3V Logic level in input. Once one ... (more)

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1
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Last activity 2017-09-28 08:53:54 +0200 by Jørgen Holmefjord flag of Norway

which pins of nRF52832 can support PWM and how many pins can support.

i need to connect 8 DC motors to it,using PWM channel.It is possible to connect with it

44
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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)

240
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1
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2
answers
Last activity 2017-08-04 21:09:51 +0200 by jsheaney

BLE_GATTS_EVT_RW_AUTHORIZE_REQUEST vs BLE_GATTS_EVT_WRITE

My goal is to have a writeable characteristic that I can reject on my peripheral, based on the state of the application.

In my test application, based on the nus uart service example, I initially received the BLE_GATTS_EVT_WRITE event and ... (more)

42
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2
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1
answer
Last activity 2017-08-01 19:29:29 +0200 by endnode

nrf52832 Radio Rx operation on sfotdevice

Hello all, Accordingly with nrf52832 product especitifation when radio Rx is active there's a additional 5.4mA consumption. My doubt is how softdevice s132 handles the Rx channel activation/deactivation. By simply setting adv parameters struct to BLE_GAP_ADV_TYPE_ADV_IND or ... (more)

85
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Last activity 2017-07-26 22:56:37 +0200 by tolab

Using "ble_nus_c_string_send" to send a long hex number

I am running a modified version of the app_uart_c example on a nRF52832 using softdevice 132.

I want to send a large hex number to the peripheral I'm connected to. Is it enough to break up the entire hex ... (more)

123
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no
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1
answer
Last activity 2017-07-24 16:49:42 +0200 by endnode

Creating a custom UART connection over BLE

I would like to use the ble_app_uart_c example, found here, to connect to a custom peripheral. What values should I change in the central device code in order to connect to a device, service, and characteristic of my choice?

I ... (more)

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