First time here? Check out the Tour!
I have a problem with compiling the blinky example from SDK 12.3.0. I have installed latest arm gcc cross compiler, version 6.3.1. Make command works but on compiling file system_nrf52.c it stucks. System memory usage ... (more)
I'm looking for an answer as to how to know the source files that I need to mention in the Makefile if I'm writing my program from scratch. Are there some bare essentials? If so where can I ... (more)
How to enable semihosting in sdk11 examples?
This works, but I can't port it to examples/periferal/template_project :(
LDFLAGS += --specs=rdimon.specs -Wl,--start-group -lgcc -lc -lc -lm -lrdimon -Wl,--end-group
The question has been answered before, but the answer references a document called nAN-29 at this link: http://www.nordicsemi.com/eng/nordic/.... Which doesn't seem to be working. I really need to know how to start from a ... (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)
Attempting to use a sample app from the 13.0.0 SDK for a pointing (mouse) device I'm prototyping, located at ...\nRF5_SDK_13.0.0_04a0bfd\examples\ble_peripheral\ble_app_hids_mouse
Loader says the code weighs in at 39KB. Sigh... Looks like ... (more)
Hi. I’m developing software on nRF51822 with SoftDevice s130-v2.0.1 and SDK v12.3.
I want to apply RTX to the software. In the case of building it using arm-gcc, the software stops before reaching main(). I set ... (more)
Hello! I have a problem when scanning and advertising at the same time with a NRF51822 and S130 v.2.0.0. (SDK11).
I can start both scanning and advertising without any problem and they seem to work fine, but ... (more)
hi Nordic Team,
我這邊遇到一個問題，我建一個project將現有的CODE都放進去後build時都是正常的，但是沒有build出來的HEX檔案，這邊我該如何解決呢?? 我使用的是nRF52832的PCA10040 V1.1.0 EVB
I have been following BLE Services, a beginner's tutorial to add a service to my ble_app_template project. But tutorial was written for SDK 11 and I'm using SDK 12 (s130 & pca10028 kit).
It's compiling and flashing fine ... (more)
Two years ago I develop a board with a nrf51822. Right now I'm trying to use the same board again. I installed the new SDK 12.3.0, GCC ARM, nrf command line tools and JLink to setup ... (more)
Hi guys. I am struggling to get buttonless DFU to work in my owm application. I am using SDK12.2 with gcc on a pca10040 board with S132.
I have successfully followed this tutorial to get the buttonless DFU example ... (more)
On the radio_test example, the functions
printf are heavily used, however, I haven't found where they are defined. This example is reading the data from the UART port, but there doesnt seem to be any ... (more)
startup_nrf51.s I found something like this.
#ifdef __STACK_SIZE .equ Stack_Size, __STACK_SIZE #else .equ Stack_Size ...
Story Short: When trying to run the ble_app_uart example on a custom board with a nRF51822QFAAH0 chip, the code faults and resets at the point in tries to call sd_softdevice_enable.
What are the prerequisites for running the examples of the ... (more)
Assuming SDK 12.x
For those people that want to integrate the Buttonless DFU service to their app, which uses already one custom base 128bit UUID, please make sure to:
softdevice_handler.c (located at
I am using a nRF52-DK board to receive data from the USB port using Serial, and transmitting it using ESB to a second board. If I use either Serial or ESB individually, it works fine. I have a ... (more)
I've got an nRF52 application which is based on the nRF OpenMesh https://github.com/NordicSemiconducto... but has been vastly customised. The application either acts as a mesh device and allows a single connection (peripheral device) or acts as ... (more)
When using GCC and Eclipse with SDK 13.0.0 to program an nRF52832 with the Serial and ESB libraries, are there any limitations as to where you can put event handlers? Do they have to be in ... (more)
I am new to the nRF processors (but not new to embedded progarming). Trying to use the evaluation board with the examples on the SDK. After realizing the freeware Keil can't link most of the due to ... (more)
I came across interesting problem I couldn't find answer to.
In my project bss size printed by arm-none-eabi-size is larger than the value that can be calculated basing on *.map file. Using arm-gcc 4.9 2015q3 + NRF SDK10 ... (more)
I am trying to implement a Single Bank DFU over Bluetooth for my nRF51822 (256KB / 16KB RAM) using SDK v7.1 and Softdevice 110. I am using GCC to compile the bootloader and in order to switch from dual ... (more)
I am using NRF52DK and trying to debug an SPI transfer, using SEGGER_RTT.h to print. However, printing of the logs are not consistent. Some debug lines do no appear in the JLinkRTTClient.
I have put
SEGGER_RTT_printf(0,"SPI Tranfer ... (more)
I am programming a beacon, first I had some problems using
sd_ble_gap_adv_start() so I changed to
Now I have a problem when compiling:
_build/nrf52832_xxaa_main.c.o: In function `advertising_start': /Users/.../pca10040/s132/armgcc/../../../main.c:388: undefined reference ...
I have been struggling with Eclipse for a couple of days. I created the pwm_driver project via the File/New/Makefile with existing code option. After initializing the appropriate Build and Preprocessor properties along with manually entering the GNU ... (more)
I connected 74CH595 shift registers to nRF52DK board. When I built and upload my code with Keil everything works just fine, but if I compliled it with GCC and upload with nrfjprog, the 74CH595 cannot act properly. I need ... (more)
Hello, I would like to stream sensor data from the Bosch IMU sensor over BLE at a maximum rate. I can collect data over I2C from the sensor but would like to know if there is an example that I ... (more)
I need to have a Central device physically connected (via UART) to a sensor. Data is collected from the sensor and sent to a number of Peripheral devices which use the data to perform a task.
So far I have ... (more)
I am trying to get the ble_app_uart project to build in Eclipse for the PCA10036 nRF52 board. I have followed the Tutorial titled " Development with GCC and Eclipse" and successfully built the ble_app_hrs in both Eclipse and command line. Now ... (more)
I'm trying to implement DFU support to our application on nRF52832. I got it working fine with SDK11 SD2.0, but now SDK12.2 SD3.0 is causing "gray hairs". I used the file "nrf_dfu_flash_buttonless.c" from examples ... (more)