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...
Yet another app_uart_fifo question.
I'm using SDK 11 with uVision.
It is my expectation that, if using HW flow control and a FIFO to RX, no received characters should be...
I am writing drivers for external ADC and I need to write my own SPIM driver using hal of NRF52 SPIM. However, after trying for a day I am not able to see my waveform in my...
Hi,
I am using ble_app_blinky_c_pca10040_s132 project, but I found it cannot output log, by using NRF_LOG_INFO. I have tried some ways, but it didn't work. I need your help...
Hi,
I'm in the process of porting code from a PCA10000 rev2 board to a custom board, using the ISP130301 integrated MCU (contains a rev3 nrf51822 IC). I'm using nrf51 SDK...
Hello,
I'm using a modified version of the serial example of the SDK 13.0.0 with a PCA10056.
The modification are that i use nrf_serial_read in non-blocking mode (timeout...
I am using SD132 V5 and SDK 14.1
I found the sd_ble_gatts_characteristic_add() is being used in most of the example projects, but I suddenly found the characteristic_add...
I have nRF52 on both central and peripheral. I'm getting the RSSI value on the central by looking at the RSSI field in the ADV_REPORT event. I see the RSSI values has a wide...
Dear Thread-experts,
I have troubles with your Thread CoAP Cloud example. I am using:
Thread SDK V0.11.0
Border Router V0.11.0, ethernet (not Wi-Fi)
cloud_coap_client...
Hi Folks, I am playing with uart ble example described in this link ( devzone.nordicsemi.com/tutori...).
I would like to make BLE uses a unique AA (Access Address) rather...
Hi,
for my sound application, I want to get the amplitude, or dB, of the PDM samples.
Are there any existing function implemented? If not, how can I code it on my own...
Hi, I just started using the nRF52 dev. kit. I am trying to familiarize with the BLE examples.
I have downloaded the nRF Connect...and I can detect the device.
The SDK...
Hi,
I added one more timer. As soon as the timer expires and it runs the event handler, and then advertising stops, and the firmware crashes.
Could someone please tell...
I've recently discovered the power consumption issue with FreeRTOS and SDK12.3:
devzone.nordicsemi.com/.../
So, I am now using SDK12.3 with SDK13.1 FreeRTOS files.
...
