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...
I am trying to communicate with a MLX90615 temperature sensor via I2C and I am able to get the desired response from the sensor, verified with a logic analyser.
I am now...
Hi all,
I am working on nRF52-DK using the light client example under Mesh 2.1.1
I am trying to start and stop the listening for provisioning packets as the idea is to...
I've implemented a Battery Service and battery_level characteristic in my application (0x180F and 0x2A19 respectively) however, when reading the value of this characteristic...
Hi,
I am using one of peripheral examples ble_app_hids_keyboard from nordic SDK for understanding the re connection mechanism. I am using nrfConnect app. I have a few questions...
I am trying to use app_timer library with the provisioner example but I get this linker error.
The multiple definition error is due to nrf_nvic_state being present in...
Hi,
By taking a look at the source code in https://github.com/NordicSemiconductor/pc-nrfconnect-rssi.git, I found the following patch file under fw/src/usbd.patch. It mentions...
We use nRF52840-PDK (PCA10056) with MCU revision Q1AAAA. Given example of secured DFU bootloader (s140) works good. Then we changed MCU on this board to the MCU with Q1AAC0...
Hi to all,
i am working on a project that in it i want use nrf51822 as a peripheral device. i implemented a code but i have a problem, central(cc2540) and peripheral(nrf51822...
Hi,
I am trying to write 16bit, 16Khz, 2 channel PCM data to I2S. nRF52840 DK board is connected to speaker via I2S player/decoder board. I am able to hear audio but it...
How can I determine the correct value pull-up resistor to be used on the TWIM port?
The nRF52832 reference documentation mention an internal 13k pull-up however I've always...
I would like to create a program that was a mix of ble_app_multilink_central and peripheral_temperature. The program would work as follows: when the button1 of central is...
I am trying to migrate a blocking SPI transfer code to a non-blocking SPI Manager schedule call. I have 16 transfers queued up in one transaction.
When I launch it, the...
What is the best way to advertise a custom service and allow BLE connections from a mobile device in a Mesh SDK version 2.0.1 application. Previously I had an application...
Initially I had a project in Mesh 1.0. Everything (provisioning, send&receive) was working fine.
Since upgrade to the Mesh 2.1 there is an issue: provisioning still works...
