I'm using Softedevice 6.0.0 and SDK 5.2. and Keil 4.7.
I Modified bootloader project so it compiles with both ble and hci transports. Currently I use button_0 and button_1...
I am working on the proj that needed 2 MCU and nrf51822 work as slave.
I would like to know any ref on how to firmware upgrade on board without external tool?
We're looking for a Nordic nRF51822 based low profile/small USB dongle that we can use for our iBeacon software.
It would need to come complete with casing and the ability...
Hi all,
i want to establish connection between two threads in cmsis-rtos, can i use
1) semaphore to do this?
2)message queue should be used or any other ipcs can be...
Hi,
I have two CPU in our product. (STM32F2 and Nordic nrf51422).
I use serialization function to link those two CPU(refer to ble_s110_serialization sample)
But I find...
Hi,
My behavior is as follows
Turn on my device(use 51422) and advertising(2 Service and 3 Characteristic)
Turn on my cell phone(Samsung Note3),scan my device...
Hello:
I used analog IIC write MPU6050. Again after power download programs, mpu6050 can run up there ACK response. But the debug will not run. Simulation IIC because no...
Hi everyone,
I am looking the ble_app_template_pca10056_s140 example and I have a question regarding the advertising_start(erase_bonds) function in main();
When you call...
Hello,
We are in the final stages of our product development and we would like to add a feature used during assembly to give some sort of confirmation that everything is...
Am trying to evaluate the nRF9160 + nRF52840 combo as in the thingy, we want to send an sms to the device and reveice back its GPS location. SMS is spectically requested for...
Hello,
I want to prevent a scenario where I successfully perform a DFU with a faulty firmware image. I have a bootloader that handles firmware updates both for the NRF5...
Hello all,
I am working on low power sensor development with nRF52833 as target. I have some questions but I'm not sure it this was addressed in some other posts.
1. I...
Hi,
I'm integrating some c++ code using ble_app_uart example as base. The code has some cout << "text"; kind of outputs that seem to go to uart by default configuration...
Hi. I'm trying to find out the real consuption of the nrf52832. I have two questions after consulting part "7.2.1 CPU performance" of the datasheet.
1- Is there a difference...
Hello,
I have recently used the new toolchain manager to upgrade to ncs v1.3.0. Now I am using Segger Embedded Studio to flash an nRF9160 with the at_client sample. My issue...
Hi ,
I have an Android app that acts as a Central mode and Nordic nRF9160 as peripheral mode.
Once the connection is established , App will read the characteristics...
Dear all,
Pushing the hardware to the limits, I came up with a question about the architecture of the microcontroller itself: Can two different instances of SPIM start...
Hello,
I am experiencing some strange behaviour through DFU process when build with GCC -O2 optimisation.
The upgrade process seems to complete successfully but after...
I got a device with a secure bootloader, but I lost the private key and the firmware got corrupted somehow. Is it possible to flash a new bootloader via BLE or is it bricked...
I am trying to understand the following, hopefully someone can explain:
AFAIK, BLE advertising is stopped as soon as the limit of the SD is reached, AKA the PERIPHERAL_LINK_COUNT...
Hello, I am I'm a novice at developing NRF 51822. My Development Environment sdk : 12.3 IDE: KEIL v5 SoftDevices : s130
It's being developed in this environment. Q1 .NRF...
Hi. I am struggling to build the DFU secure bootloader example for the n52 DK development kit. Using SEGGER embedded studio.
I get the following error;
cannot find .....