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 all,
i want to know answer related to following question
1)what is use of uicr?
2)if i place some value in uicr and then change the image,then is there will be change...
It used to work, but now it says "Connected" but the rest of the GUI never changes and the mouse just shows a busy spinner. Here's the log file:
0;13:45:18.9900 [MainThread...
Hi. Can we develop and use our own firmware for any of the Nordic's beacon? Or do we need to mandatorily use firmware given by Nordic with beacon and modify them as much as...
I am using fds as my file system.
peer_manager is using file system too.
fds_register() is used to register callbacks. But how does the software know which callback is...
Hello
My nRF51 with S120 BLE stack is running as central. I want to connect 3 other nRF51 peripherals at the same time. So in the first step I did a scan and stored the...
Hi,
I'm developing an application based on the nRF52832 and I need a large throughput of over 100kbps, preferably over 200kbps.
I have managed to reach around 128kbps...
Hi
According to BT 4.2 Spec Vol 6, Part F, Section 3.2.9:-
" To write the entire value of an attribute larger than (ATT_MTU-3) octets, the prepare write request and...
hello,
i have a rather basic question concerning the design of the cycling power measurement value field.
how does a simple example for this value look like (variable...
What is the difference between SDK 8 and SDK 12 related to app_timer? I have used it like:
APP_TIMER_INIT(
APP_TIMER_PRESCALER, APP_TIMER_MAX_TIMERS,
APP_TIMER_OP_QUEUE_SIZE...
Hi Nordic,
I have a star network with 3 nodes and 2 channels. I go through the whole pairing process and start sending data without problem. Now I want to, from the master...
I would like to advertise two different sets of data in parallel, such that one ADV packet is ongoing (say, A), and then I switch to the other packet (say, B) with different...
I tried to make android app for nrf51822 hrm proj.The app flows like this: scan--connect--discover service-- setnotification for every characteristic. The Hrm char was firstly...
Hello,
Could you please advise where I can download an older versions of nRFgo Studio that supports nRF24LU1P? I've got a USB dongle, which I need to re-program.
Thanks...
Hi
I use ble_app_hrs_rscs_relay example with sdk12
and when the APP_ADV_TIMEOUT_IN_SECONDS is reach the nrf52 stop advertising but the on_adv_evt has no BLE_ADV_EVT_IDLE...
Recently I had some strange bugs in few production devices. I inspected newer device markings and they look a bit different:
Pin 1 marking is square not circle.
Build...
Is it safe to use a larger capacitor on the DEC4 pin when using the internal LDO only configuration? So instead of 1.0uF say 4.7uF? Just trying to remove one line item on...
Hi, I need to make a BLE system which sends ADC values from a chip to a receiver kit.
The example most closely resembling this functionality seemed to be the heart rate...
