I saw that the app_timer uses the SWI0. Could you explain what it does and what the advantage is compared to "timer_list_handler_sched()" calling "timer_list_handler()" directly...
Hi, I used the sample code "Master Emulator->2.1.7.8226->Example code->nRFUart"
to develop a new project, and encounter some questions...
we update nRF6310...
Hello,
How many RX buffers are in S110 SoftDevice? I know there are 6 TX buffers (so you can send 6 packets per Connection Interval).
How is it on receiving?
Is it e...
My sensor is off-standard,so I have to use gpio to read and write my sensor.
Gpio IIC will take about 0.5ms to get data.
My app need send data every 7.5ms,it seems that...
Hi,
My android Proximity application fails on service discovery only for the very first time it connects with the devices(nrf51822 evaluation kit with sdk 5.2.0). Actually...
Has anyone converted the app note AN34 DTM Python script to C# or C/C++ ?
The Python DTM script is works OK with the setup specified in the app note AN34 figure 2, which...
Hi,
I have a serious problem, when I use uart of NRF51822 QFAAC0 to receive data from another MCU, I found that it will lost one bit at same position everytime. my SDK is...
This is the second part of the problem firstly exposed in this question .
I have the problem that, with a Blend Micro Arduino board from Red Bear Lab after a while (randomly...
Hi,
I want to implement BLE based access control application. I have developed nRF51822 based Peripheral device & iOS application based central device to pair with the...
I've finally completed a BLE transmission using tips about connection interval, slave latency and supervision timeout given here . I checked it with Master Control Panel app...
We are trying out nRF51822. My colleague has a top of the line Lenovo running Ubuntu and is able to detect the module when scanned. However, my macbook pro Mid 2014 (Which...
I asked this question ( devzone.nordicsemi.com/.../) to get an answer that I needed to apply for getting the Apple iBeacon certification.
Now I applied for Apple iBeacon...
I'm wondering (hoping) if there is something that I'm not doing correctly ...
We have a BLE application on the nRF51822 which has been working nicely.
It is a custom BLE...
What might be the reason that sd_softdevice_is_enabled fails? I've been programming with the S130 for some time now. And now I am in the process of adapting the bootloader...
For the S310 stack the bootloader does not set a SD_MBR_COMMAND_INIT_SD command. What needs to be done for the S130 ?
#ifndef S310_STACK
sd_mbr_command_t com = {SD_MBR_COMMAND_INIT_SD...
[PLEASE READ THE EDIT FIRST]
So, first of all, I am new to bluethoot development and I am not 100% familiar with all the inner workings of the protocol.
I am trying...
I have looked over the entire site and can not figure out what is needed to change the Smart Beacon Kit firmware and uploaded it to the beacon.
Is there a way to recompile...
Hello ,
I'm working since few days on nRF51 dongle with SofDevice S310 and most things seem to be ok.
But when I follow the System OFF and wake-up sample supplyed on GitHub...
The v3 nrf51822 and nrf51422 power efficiency was improved.
What were the improvements? How much effect should we expect to see in various operating modes. System OFF,...
In the Nordic code at this github example
there is a reference to UICR.CLEN0 .
#define CODE_REGION_1_START 0x00020000 \\
/**< This field should correspond to the size...
What is the main difference between HW controlled TWI master driver and SW controlled TWI master driver?
What is their advantages and disadvantage?
Can they switch between...