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...
Hi, I am new to creating boards with RF capabilities, so excuse me if I get anything wrong or missed something. So, going over the reference layout for the QFN32 version of...
I am trying to use UART1 on nRF52840 to communicate with another device on a custom board. I am using Zephyr. I have successfully compiled code using the function uart_poll_out...
hello Nordic
i am using nrf52832, sdk 16.0,
i have a system which need to react to multiple external interrupts on multiple pins
i see that when ' nrf_drv_gpiote_in_init...
The nRF52 SDK is limiting the transfer size to 255 byte even if the HW supports bigger buffer.
This is due to a data type that is defined as uint8_t:
typedef uint8_t...
Hi,
I'm using nRF52-DK evaluation board, and ble_app_template_pca10040_s132 (from examples of nRF5_SDK_17.00.9d13099)
I'm designing an android smartphone as a central...
After moving to v1.3.0, my build fails, because the imgtool can't find the module cbor. I see some updates for zephyr that indicate cbor.py is now required, and it's included...
I would like to tightly integrate a nRF24L01+ with my microcontroller. I have read as much as I could, and copied as closely as I can, but the best layout required moving...
I have pretty much gotten my application fully ported and working on nRF52832. I am now looking at adding in DFU for OTA updates.
Can you confirm my understanding, based...
Hello,
We are trying to use the usb wakeup feature while also using the usbd as a serial port (over usb).
The rwu is registered on initialization in our firmware using...
Hello,
I am using a nRF52840 dongle to communicate between a laptop running Ubuntu and a phone running Android.
Right now I set up a UART-BLE communication using an...
Hi
I've been developing using an NRF52 DK and have moved onto my own design board, I have one small problem which I'm unable to replicate using the DK. On my own board,...
I have tried to study the behavior of the QSPI and the external flash. I noticed that the QSPI_CONFIG_READOC and QSPI_CONFIG_WRITEOC settings in sdk_config.h cannot be set...
Hello,
I'm developing AoA/AoD feature, accoring to manual, the nrf52833 uses S0CONF and S0MASK to automatically determine if the part S1 exists in the packet or not. I tried...
Hi everyone,
We are designing a low power PCB based on the nRF52840 BLE. At the moment the device is advertising with an interval of 1s and a timeout of 3min (advertising...
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...
