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Our product relies heavily in the TWI Bus, we use it to communicate with different sensors periodically. The most "important" one is read once every 4 ms.
Additionally we have a TWI controlled IO expander, which has ... (more)
I am trying to use the serial bootloader to upgrade nrf52 application, but I get verification failure.
I am using nrf52832 with SDK 13.0.0 & S132 SoftDevice v4.0.2. I have loaded experimental_bootloader_secure_serial project to the device ... (more)
I am trying to create an 80ms pulse by setting a GPIO high, starting an application timer with 80ms timeout and then setting the GPIO low in the timer ISR. I am aware that it is a common problem when ... (more)
I have a problem using ble_advertising_restart_without_whitelist(). According to the documentation (as I understood) it should start advertising without whitelist even if a whitelist exists (hence it skips BLE_ADV_EVT_WHITELIST_REQUEST). In the next call of ble_advertising_start() advertising should use the whitelist again ... (more)
Hello, I am investigating the possibility of integrating the DTM functionality into our app (which uses the softdevice) to allow us to use a single image for production testing and deployment. What I am hoping to achieve is to allow ... (more)
Programming the bootloader How the MBR knows the start address of the bootloader?
pape says : This start address is defined in UICR.BOOTLOADERADDR, which is located at address 0x10001014 (see NRF_UICR_BOOTLOADER_START_ADDRESS),how to write number to the address 0x10001014. thank you!
When I change ATT_MTU size and add the following code: #define CONN_CFG_TAG 1
// Configure the maximum ATT MTU. memset(&ble_cfg, 0x00, sizeof(ble_cfg)); ble_cfg.conn_cfg.conn_cfg_tag = CONN_CFG_TAG; ble_cfg.conn_cfg.params.gatt_conn_cfg.att_mtu = NRF_BLE_GATT_MAX_MTU_SIZE; err_code = sd_ble_cfg_set(BLE_CONN_CFG_GATT, &ble_cfg, ram_start); APP_ERROR_CHECK(err_code ...
After working with NRF51822, I decided to go for NRF52832, and I bought some modules that have NRF52. I am using GCC and SDK13. I installed the S132 soft device which is in "sdk13\components\softdevice\s132\hex" using NRFGo ... (more)
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)
I am working on a custom design for NRF52832. The schematic and pcb layout are as follows. However, it seems that I can not get the signal working correctly. Would you please take a look and give me some ... (more)
I am developing an application in which my device will have multiple android phones connected to it. Currently I have it working with one peripheral and after having upgraded to SDK13, I am looking at adding more peripherals.
My device ... (more)
Hi. I'm dfu test for sdk13.
NRF52832 EVM board nrfutil version : nrfutil version 3.2.0
D:\nordic_nrf52832>**nrfutil.exe dfu ble -ic NRF52 -f -pkg dfu_test_app_hrm_s132.zip -p COM8** No target selected. Default device name: DfuTarg is used ...
I've looked through the Devzone, but couldn't find an answer to my question.
We are looking to automate the OTA process. When our nRF52 device is charging, it advertises as being ready for DFU. We can then connect ... (more)
Ported my FreeRTOS application on NRF52 from SDK 12.2.0 to SDK 13.0.0 .My application is using freertos apptimer for timestamping and waking up of device which was working without any issues on SDK 12.2 ... (more)
Hi, I'm using nRF52832 with sdk 13.0.0(softdevice 4.0.2). I had trouble to connect nRF52 and some android 7.0(or upper version) smart device. I tested samsung galaxy tap 10.1 A6 (android 7 ... (more)
I'm having some trouble using the secure DFU bootloader and buttonless DFU service in my application. The code for both of these has been taken from their respective examples in the 13.0.0 SDK. Our application code ... (more)
hello , I am new to SPI protocol.I am using NRF52 DK &nRF5_SDK_13.0.0_04a0bfd( pca10040) using keil-5. I want spi master example code. Can any one suggested me where I find the spi master example code, Because I have ... (more)
Hi. When i
use ble_app_uart i have problem with my device over uart. It does not response to my commands.
I'm using custom pcb based on
nrf UART v2.0 android app.
Is there something i'm missing?
As Bootloader IROM starting address 0x78000 and size 0x6000 is same in SDK 13.0 and 12.2.0 expecting to update Device firmware (BL+SD+APP) from 12.2.0 to 13.0.0 SDK.But in my case ... (more)
I can update firmware in my nRF52 nodes using DFU where on the other end I have Android phone or nRF Connect (PC/Windows)+PCA10040. Everything works fine. But in my application I want to use nRF52 based node ("central ... (more)
I would appreciate some suggestions on a good development flow to go from an Example to end application
I have nrf52832 on a custom PCB. I tested several sdk13.0.0 examples with 10040 and s132 I worked through the ... (more)
In the BLE Characteristics, a beginner's tutorial
Martin mentions: Since this is a beginners tutorial we will keep it simple and leave the doors wide open. No security, encryption, or passkey needed.
Is there an example to add security ... (more)
Can I create Characteristic with Notification only, no Read, no Write
I can remove the //char_md.char_props.write = 1; and only the Read and Notify Properties show up in MCP (or the iPhone)
When I comment out the char_md.char_props ... (more)
I noticed some suggestions to add Static Passkey.
I have 10040 nrf52832 sdk13.0.0 s132
The server has no IO, so cannot enter passkey from it. 1) Is there an example to add PIN to the server, even though ... (more)
I'm working on migration from project based on SDK12.1.0, 132SD3.0.0 (calling A project) to the one based on SDK13.0.0, 132SD4.0.2 (calling B project). I developed the project by adding codes ... (more)
Hey guys. We are using the NRF52 with SDK 22.214.171.124-alpha. If we connect the NRF52 to our own android or iOS APP we have some timing problems with notifications. When the smartphone is connected to the NRF ... (more)
Where can I find the completed source code for the BLE Services, a beginner's tutorial
I keep having trouble advertising, so either I am missing something, or have incorrect IAR setting.
Any help appreciated https://devzone.nordicsemi.com/tutori...
i use the example experimental_ble_app_buttonless_dfu of nRF5_SDK_13.0.0_04a0bfd, on the PCA10040 board,Now,i'm sure that I am flashed Softdevice,app,and bootloader,and the board work in the app.and well,the nRF connect ... (more)
I'm migrating to the new 13.0.0 SDK and I'm wondering what are the benefits of using nrf_serial over app_uart (if any) and what steps I would need to take to switch over if I choose to.
Hi, I'm using nRF52832 Software Development Kit, PCA10040, S132.
In nRFgo Studio, I erased all my SDK. In nRFConnect, I selected serial port which SDK connected. And I saw a confirm message: No connectivity firmware was detected. Do you ... (more)