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...
I'm using nRF52 + SDK11.0.0 + s132 and following this tutorial and this blog to make a Managed Make project using the ble_hrs esample.
As I was going through the directory...
Hi,
I want to use Timeslot API in order to gain uninterruptible period of time (1 second~) along with running Softdevice - just single one, not periodical.
I've changed...
Hi,
I'm building a low power application utilizing a MEMS accelerometer providing a data ready signal with configurable intervals. The intent is to use this signal as a...
I have to evaluate the results obtained for time synchronization in a piconet BTLE through the use of the RBS protocol. For this purpose I use a nRF52 DK as beacons to transmit...
what is the start_on_notify_cccd_handle in the ble_conn_params_init_t?
I don't know why use this variable.
It seems to be used for conn_params_negotiation()... but isn...
Hi,
I'm using "bootloader secure" example from sdk 12.2 and I modify it for instead of use button to enter in DFU, use a value written in a memory position.
As in other...
How do you do！
I now use the chip is nrf51822AC, RAM space size of 32K. The size of the RAM occupation of my current program is
8K, I would like to ask, why this time the...
Hello Everyone
I am really new to everything here, i just got nRF 52832 board,
Can anyone please tell me the step-by- step method on how to make a program in keil uVision...
Hello,
I'm stuck in DFU using HCI(serial)..
I'm using nrf51822 , softdevice s110 ver 6.0.0 . I used example code in
"nrf51_sdk_v6_0_0_43681\nrf51822\Board\nrf6310\device_firmware_updates...
Hi All,
I have a nrf52 PCA10040 Kit with me . I loaded the BLE app UART Central example binary into my Kit . The LED 1 is blinking (Scanning Indication) But am not getting...
I went though steps point here Everything went well. We create bootloader settings hex file base on our application hex file I'm a little confusing now. Should I always create...
Hi dev team,
in my design I am using the nRF52832.
On the GPIOs (P0.14,P0.15) I've connected a Darlington Array ( ST ULN2001 ).
My circuit is living of a super cap...
I coded following
BLE_GAP_CONN_SEC_MODE_SET_NO_ACCESS(&cccd_md.read_perm);
BLE_GAP_CONN_SEC_MODE_SET_NO_ACCESS(&cccd_md.write_perm);
char_md.char_props.notify = 1;...
Hi,
What does it means number 0x1D in p_ble_evt->header.evt_id in ble_db_discovery_on_ble_evt ?
I didn't get any error code, but service discovery is not completed.
Is...
I've noticed that Wireshark seems to occasionally report malformed data.
The malformed data seems to happen about 10% of the time and comes from all my smart beacons.
...
