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...
Dear,
Please, could help me ?
My knowledge in RF is basic.
I am developing a system to use 8 RF channels (nRF24L01 +) simultaneously.
I'm using Balum 2450BM14A0002...
Hi,
I’ve just ordered a few nrf51822 (from seedstudio ) and waiting for them to arrive.
They come preloaded with SoftDevice 6.0 or 7.0. with a pre-flashed OTA boot loader...
Hello, I am trying to connect a Nexus 6p running Android 6.0 to the NRF52 dev board. I have tried numerous ble examples in the SDK, but nothing ever appears in the nRF Master...
So if I start a program in debug mode some zero-inited static variables are non-zero.
ldr r1, =__etext
ldr r2, =__data_start__
ldr r3, =__data_end__
subs r3, r2...
I'm attempting to use the app_trace module. I've set it up as follows:
int main(void)
{
// Setup tracing. Also sets up UART.
app_trace_init();
app_trace_log(...
Hello,
I know that this question has been asked a few times, but I am a little desperate after trying to get debug logging over the Virtual COM Port to work. Here are the...
Hi,
I've recently got some brand new nRF51 Dongle, and used nRF51 DK. The problem is that DK is not recognized by mine PC. There's actually some example program (heart...
Is that bad to call RTT functions if there is no SEGGER connected?
I mean, if there is no RTT viewer connected, what the RTT library does with the message to transmit?...
Sorry for bothering you, but my nRf doesn't send anything at all, i check fifo_status reg, put data in TX fifo, then set CE pin four about 25 us, clear CE pin and check fifo_status...
Hello I saw a Nordic presentation where they state that the plugin for nrf51 can export services from Bluetooth Developer Studio for nrf52 but when I include the generated...
Hello,
I have enough experience for ARM MCUs but I am newbie to BLE technology.
I am thinking of a project about using NRF51822 beacon to unlock door when in range.
I am...
Ok, so please bear with me as I'm quite a greenhorn both in embedded world as in nRF series chips. My aim is to understand how deep sleep works. I might use wrong terminology...
Debug Logger without softdevice, and the define ENABLE_DEBUG_LOG_SUPPORT to my project in the C/C++ tab.
i just test, very simple , but cannot get debug log..
int main...
Hello,
We use DFU Service with nrf51 with sdk 9.0.0.
GATT 0x1543 characteristics can be found on DFU Serivce. But the descriptions are not found on documents.
infocenter...
