# 121 questions

Tagged
• x
236
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## IAR 8.11 - Issue when compiling ble_app_uart example

Hello,

I get two errors when compiling examples\ble_peripheral\ble_app_uart with IAR 8.11. I have ble_app_uart_pca10040_s132 - nrf52832_xxaa as the active project.

I get the following errors: Error[Pe235]: variable "__stdout" was declared with a never-completed type D:\Projects\Nordic ... (more)

41
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## Device not connecting after DFU OTA

Hi,

I am running the BLE DFU example. I am able to perform the DFU OTA implementation successfully. The problem I am facing is that, once the application has been updated successfully, the device gets disconnected and starts advertising with ... (more)

55
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1
vote
1

## Implementing DFU OTA for beacon

Hi Nordic,

I am trying to extend DFU feature to my beacon application. Please help me with how to go about it. I went through the given tutorials on DFU/OTA, but I haven't got a clear idea on ... (more)

45
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no
1

## how to convert IAR project file to KEIL uVision Project file?

Another programmer developed the nRF52832 source code using IAR. But I want to use Keil uVision.

So please tell me how to convert IAR project file to KEIL uVision Project file. please.

50
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1

## Problem with running BLE DFU example

Dear Nordic,

I am trying to run the BLE DFU example code. I followed the steps as instructed in the infocentre http://infocenter.nordicsemi.com/inde...

This is the way I followed your instructions, please correct me if I am ... (more)

113
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1
vote
1

## Connection problems with Android 7 and SDK12.1

We have problems when connecting to a device running softdevice S132 version 3.0 with a tablet running Android 7.0.

When we use tablet and nRF Connect, we get Error 8 (0x8): GATT CONN TIMEOUT and Error 133 (0x85 ... (more)

32
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## Have you used the IAR Simulator with nRF52?

Hi,

I'm trying to evaluate the IAR simulator, and I'm using it w/ nRF52 samples. Besides getting errors due to the errata and system init, I'm not sure what are the use cases for this simulator. If ... (more)

83
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1

## SoftDevice s140 5 nRF52840 Preview DK Issues

Hello,

I am trying to migrate to the latest S140 SoftDevice, but the migration document leaves a lot to be desired and is missing information. I've had issues running standard applications with s140_nrf52840_5.0.0-3.alpha where it just ... (more)

56
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1

## Example Project ble_app_hrs_freertos in SDK 13.0 & 13.1 for nRF52832 S132 does not work

Hi;

I was trying to run example project ble_app_hrs_freertos from SDK 13.1 (softdevice 4.0) using the IAR project files (compiler 8.11), and the ble output does not yield the same result as ble_app_hrs project file; In fact ... (more)

32
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no

## 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)

166
views
1
vote
2

## 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)

29
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2
1

## 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)

104
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Hi all,

I'm trying to write a custom bootloader that must works in this way:

1. The new image to flash is received by a uBlox GPRS modem that communicates with the nRF52832 using the SPI;
2. Through SPI, I'm ...
(more)

28
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1

## bsp_event handler not seeing button presses

I'm running the app_uart_c example on a nRF52832 with softdevice 132 installed.

I'm trying to alter it so that the board only searches for peripheral devices upon a button press. However, it doesn't seem to register when ... (more)

65
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## 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)

86
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no
1

## 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)

63
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1

## How to compile sample project from SDK for nRF52 successfully after importing it to IAR workbench

Right now I am facing a problem as mentioned below: I downloaded nRF52 SDK version 12.3.0. It contains lot of example code. I found .eww file in each example project folder. I was able to open the project ... (more)

133
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1
vote
3

I'm having some issues getting any of the provided experimental Thread examples to compile with IAR version 8.11.2. I'm using an nRF52840-PDK with the SDK for Thread version 0.10.0. Please see the following image ... (more)

75
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1

## IAR MDK With Multiple IAR Versions Installed

A while ago I asked this question https://devzone.nordicsemi.com/questi....

Yesterday I re-installed MDK 8.11 after a computer crash and I had IAR version 7.60.1 and version 8.11.2 installed. When I ran the ... (more)

168
views
1
vote
1

## SDK13 Buttonless DFU Service doesnt change into Bootloader

Hi to everybody,

I am working with a custom board based on the nrf52832, while trying to integrate to my existing application the DFU functionality I am having problems when I try to change from app to bootloader through Buttonless ... (more)

81
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1

## How to overcome linker error when linking NFC samples in SDK 13.1?

IAR EW 8.11.1 does not link the nfc samples from sdk 13.1. There are different sizes for wchar_t:

Error[Lt009]: Inconsistent wchar_t size nfc_t2t_lib.o(nfc_t2t_lib_iar.a) has wchar_t size 16 bits app_error.o and 38 other ... (more)

91
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1
vote
1

## IAR nrf52832_xxab.icf error

Hello,

I noticed the linker file we were using was for the nRF52832_xxAA so I got the nrf52832_xxab.icf from C:\Program Files (x86)\IAR Systems\Embedded Workbench 8.0\arm\config\linker\NordicSemi\nrf52832_xxab.icf.

After switching linker files ... (more)

85
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2
1

## Problem jumping to application in serial DFU

I am having a strange issue with the serial DFU in SDK 11, s132v2, specifically running either dfu_dual_bank_serial or dfu_single_bank_serial. My goal is to simply get the demo up and running, but I seem to get stuck when the bootloader ... (more)

112
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## In the MPU6050 module, when the ACC, GYRO data update, INT pin can not produce interrupt signal

NRF52832 S132 MPU6050 TWI

I want to finish the function:

1. When the ACC, GYRO data update, the INT pin to generate an interrupt, and then in the P026 pin configuration falling edge trigger GPIOTE interrupt,and then read the ACC ...
(more)

92
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1
vote
1

## Send more than 255 bytes on SPI slave on nrf52832

Is it possible to send more than 255 bytes on SPI when nrf52832 is used as slave. A few solutions use SPI Master with easyDMA and ArrayList to do this. Will the same solution work for SPI slave?

93
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no

## Stack usage, IAR

Hello,

I have a question about stack usage. I use nRF51822 SoC, 12.2 SDK & IAR 7.60.1. I am interested in stack usage. Have you done any estimations? Or may be you have any recommendations?

IAR has two ... (more)

2k
views
19
1

## what are nrf51 SDK 10.0 known issues

On SDK 10.0 only

• Do not judge the quality of SDK based on number of entries here. This thread should be considered part of Nordic effort to main the quality of the release.

221
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2
2

## How to set memory in IAR, including How to set ram size in IAR

I know the Project options can be configured in the iar_nRF5x.icf file, but there is no option for ram size. If the RAM start and end is given, I guess that is the ram size.

Also, it is not ... (more)

237
views
1
vote
2

## Warning: Stack pointer is setup to incorrect alignment. Stack addr = 0xFFFFFFFF

Dear all,

I have been working with a nRF51422 device for about two weeks, and everything went good. This morning, out of nothing, i got this error in IAR: Warning: Stack pointer is setup to incorrect alignment. Stack addr = 0xFFFFFFFF ... (more)

275
views
4
1

## IAR 8.10 produce bugs when compiling nrf_delay_us()

Hello, We are migrating from IAR 760 to IAR 8.10 compiler does not produce the same assembly for the SDK12 inline function nrf_delay_us. The original C Function is :

__STATIC_INLINE void nrf_delay_us(uint32_t number_of_us) {
const uint32_t clock16MHz = CLOCK_FREQ_16MHz;
if (number_of_us ...
(more)

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