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...
Guys
I came over from the Arduino forums, I am searching for a new RF chip to use for a project i am working on but dont know which chip to pick. My application requires...
I want use uart to debug my ble program ,
In the devzone I found this and this to meet my need , but when I conditional compilation UART code into hex, I can not find my...
Hi All,
I am trying to use the HRM_RX sample code with my Linux PC side application. but i am not able to receive any UART RXD interrupt on nRf51422. I checked PC is sending...
We are developing a BTLE perihperal product using nRF51822 chip. But we would like our product can be up-gradable. So we will need a Bootloader (by UART or other interface...
while creating a Makefile for DFU, for BLE DualBank only, I'm getting some odd errors:
../bootloader_util_arm.c:19:1: error: 'at' attribute directive ignored [-Werror=attributes...
SDK v5.1 /v4.4.2
Keil 4.73/Keil 5.1
delay function seems doesn't work well in new version of keil. But I need it to bebug and flash nRF51822 with new keil.Need your help...
I would like to use an nRF8002 in a proximity detection application.
I would like to be able to send a request/command to the device to start a continuous or rapid transmit...
This may be an obvious question, but I wanted to make sure that my assumptions are correct.
The nRF51822 is able to use an external 32kHz crystal oscillator for its low...
In the 51422 Prod Spec v2.0 it states that “high performance RF capacitors” for the X7R decoupling caps should be used.
Is High performance RF equivalent to a “High...
Hi,
I am trying the Direct Test Mode (DTM) function integrated into the nRFgo application. I am using the nAN-34, Dev Kit User guide, and help (F1) in nRFgo as documents...
I use DK usb dongle to catch data from my ble device , but I can only catch the broadcast data . When the ble device is connected to PC ble dongle , I can't catch data any...
I have Olimex Mod-nRF 8001 Module which i bought it from here . It has break out the RDYN,REQN,MISO,MOSI,SCK and reset pins. My question is can i connect RDYN and REQN lines...
I used the Nexus 5 with android OS 4.4 and try to
use both the "Master control panel" and "Toolbox" Apps to upload firmware.(DFU)
When I use the "Master control panel" App...
