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...
Hey guys,
I'm just being very lazy today and I just skimmed the datasheet for <nRF52832_PS_v1.0.pdf> but didn't manage to find if there are any "pin-muxing" limitations...
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...