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,
Setting the scene:
I have several sensors that are decoded via an external device that outputs UART serial data (115200 baud rate).
The data looks like this: Received...
I am building an non-secure app and have a few questions.
1. Looking at the DTS file for pca10090 the partition table has both non-secure and secure slots for mcuboot. Totalling...
I have recently upgraded FTD code which was based on nrf sdk for thread and zigbee v2.0.0 to nrf sdk for thread and zigbee v4.0.0
On compiling the FTD I am having the following...
Hello,
When CONFIG_PROVISION_CERTIFICATES is y and certificates are defined in certificates.h the program fails in provision_certificates() function, the modem_key_mgmt_delete...
Hi,
I am working on Bluetooth peripheral and pin_interrupt_change program in nrf51422 on sdk 12.3 .
so I added pin_interrupt_change program in the ble_app_uart program...
I'm attempting to synchronize/correlate measurements made by two separate nRF9160 devices and was hoping to use a timestamp to do so. Essentially I would like to measure the...
I am using GPIO interrupt event.
And I added the following code because I wanted to observe PA / LNA.
Adding this code stopped the GPIO interrupts. Can the two coexist...
Hi,
For nRF82540 dev board, the secure bootloader code has embedded many NRF_LOG_DEBUG(...). But they are not displayed or output to virtual COM port. Is there anyway to...
Hi all,
I'm looking to develop a proprietary start network that may support around 30 devices, with very low bandwidth (pretty much just a keep alive and a sensor state...
I just came upon a blog post from ARM about the use of the Cortex-M4's FPU:
https://community.arm.com/developer/ip-products/processors/b/processors-ip-blog/posts/10-useful...
Hi, I am looking for sample code that can reconnect to bonded devices and share the encryption keys with DFU-OTA.
I have worked using DFU-OTA (JUST_WORKS option); I question...
hi all,
i can't update new nrf cloud certificate
"There was an error generating the certificate: No Nordic product with device id nrf-xxxx...(imei)and ownershipCode...
Hi.
I have a Thingy91 that I will use as a remote wake up for another system. I am trying to estimate how long the system will be able to run on a single charge with the...