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 everyone,
I am using the nRF51 SDK 10.0 with the Rigado BMD-200 Evaluation Kit and want to print debug messages to UART or something similar.
I am trying from main...
GOAL: To send one 20-byte data packet from an Android Galaxy S5 to nrf51822 and send three 20-byte packets from the nrf51822 to the S5 in a single connection interval of 10...
I followed the instructions from here developer.nordicsemi.com/.../a00081.html
to make my application support DFU OTA. Despite of some errors in the instructions I managed...
Now I am using hid mouse example to develop a project which requiring bond process. Everything is OK but the question: I need report the btn number which trigger the system...
I copied the example "ble_app_hrs_s110_pac10028(nRF51 PCA10028)"in the nRF51 sdk 10.0.0. I Changed the configuration to make it run on BOARD_PCA10001. But the program keep...
Hi,
I need to update the Min and Max connection parameters run time.
Is it possible to do so?
Also can i update the Min and Max connection parameters through an iOS app...
Hi,
I am using app_pwm in low power application on nRF51822 with soft device S110. Today I measured power consumption and found the current was ~1.5mA during advertising...
Hello,
There are two problems on nRF52 ble uart example code.
I would like to know is there any misunderstanding or mistake I made?
or anyone met the problem too.
1...
Hi All,
I am starting the process of getting our product Bluetooth RF PHY tested, and our lab has asked an interesting question.
What is the image frequency of the nRF51822...
Note: I am using v8.0.0 of the s110 softdevice on the nrf51822.
I am developing an application with the nrf51822 that uses pstorage, bluetooth, and SPI reads/writes.
...
I was looking at the nrf52 startup code and noticed something.
The handlers for UsageFault, MemoryManagement and BusFault are there.
But they are not available in the vector...
Hello,
are there some known reasons why S120 can reset the system while BLE connection to S110 peer is lost? I have S120 and two S110 connected. When i take one of S110's...
Hi, I'm trying to work out, why p08 stops working as DO if mbed Serial is used.
Code is pretty minimalistic:
#include "mbed.h"
int main() {
//Serial pc(p15, p16...
Can someone please provide detail on the clock source for the SysTick in the nRF52? Is it clocked by the processor clock or an additional clock source? I'm trying to understand...
what's the difference between app_timer api an nrf_drv_timer
are they using separate timers or the same timers?
if they are using the same timers, can app_timer_create...
