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...
Hello!
How can I communicate with my nRF24L01+ and nRF51822 at the same time. I can set up same channel, CRC-mode and I don't use ESB. But what about address? How do I set...
Hello everyone,
I've got strange behavior coming out of my app timer.
I'm using the timer to periodically turn on or off some LED's and since each LED pattern is different...
I can make the RTC work with interrupts and __WFI(). I absolutely can't get events and __RFE() to work for the RTC. However, it works if I replace the __RFE() with __NOP(...
All of the FDS examples I have seen seem to ignore the fact that fds_record_write() just queues a write, and therefore the data pointed to by p_record.data.p_data needs to...
Hello,
I am having a strange issue. We are currently in pre-production with our product which uses the NRF51822. Just for context, the production tests use the UART peripheral...
Hi all,
I currently need to implement 3 channels of analog inputs on my nrf52, but when I attempt to compile the project, I get the following errors:
undefined reference...
Hi,
I am using pc_ble_driver_py package to test BLE for my proejct with nrf dongle
I need to get rssi in dongle side and I found ble_gap_rssi_start and ble_gap_rssi_stop...
Hi,
Is it possible to write/read the flash memory, from within the interrupt handler of GPIO? I used an push button connected to a GPIO to wake up the ble chip, then read...
Hi,
Does nRF5340 (or any other nRF52XX) support natively ISO7816-3 (SmartCard)?
"Natively" means using USART or any other way(hardware of official software) other than...
I am reading the PPI Example at the Infocenter as shown by the link below: -
https://infocenter.nordicsemi.com/index.jsp?topic=%2Fcom.nordic.infocenter.sdk5.v11.0.0%2Fppi_example...
Hello Nordic,
I worked with the interactive PyACI during several months by using my PC (running the interactive PyACI) connected through usb to a DK used as provisioner...
Hello,
We've recently migrated from SDK version 15.2.0 to 17.0.0 and noticed an anomaly with the clock driver. If the watchdog is started, then after any soft reset (through...
Hello! How can I measure the heap size (total and free space) at runtime?
Right now I'm working with some legacy code that makes a call to mallinfo()
That call returns...
I am testing "nRF5_SDK_17.0.0_9d13099\examples\ble_peripheral\experimental\ble_app_cli" example.
Do I need 2 boards to run this example ???
What I got from the infocenter...
Hi
I am using SDK17. I am running the app_pwm example and i get an error with the "nrf_drv_state_t", it is not defined and the "NRF_DRV_STATE_POWERED_ON" is not defined...
