Dear nordic employee
my purpose is send a data the length is from 150 to 273
when my server device send data by sd_ble_gatts_hvx(the send length is fixed 10 bytes) ...
Dear nordic employee:
The service I want to find is the sound service of the thing52 thingy sound service
I tried to modify the HRT_central_client project to find the...
When I was using the device as peripheral, I was wondering when the Softdevice notified BLE_GAP_EVT_SEC_PARAMS_REQUEST and BLE_EVT_SEC_INFO_REQUEST:
1, when peripheral...
hi dear nordic employee:
I tried to build the project ble_app_hrs_c(pca10040) by keil5
but I get an error :
._build\nrf52832_xxaa.sct(7): error: L6236E: No section...
Hi,
I am a bit confused about power consumption when using app_uart_fifo. To save power I put MCU to sleep in between each sent and received byte by using __WFE and __SEV...
Hi! I am building an android app for my project. I am using Proximity , UART and DFU from nrfToolbox app. I have 3 buttons on my home screen dedicated for each of them. I...
Dear Nordic employee:
1、 what do I have?
I have a thingy52 develop kit(nrf52832)
2、what is my purpose?
the quality of thingy52 audio demo is not good(iphone7)...
Hi,
IAR ARM 7.60.2
Nrf52
Softdevice 132 v3.0
SDK 11
I am trying to use SPI with easy DMA. I have implemented the PAN 58 workaround for sending 1 byte but it fails...
I got started with bluetooth learning. But it's too hard to understand ble protocol. Do I have to learn BLE protocol even If my purpose is only ble communication with simple...
Hi,
Could someone help me about the following questions?
Q1: What are the connection parameters set by the Android app nRF Connect? Can I change them?
Q2: How can...
I have a bit of a strange problem.
I am designing a signal Gazell signal repeater.
It listens in host mode then sets itself as a device to pass the data along.
However...
Is it possible to put the nRF52 into recieve only mode (say through direct test mode) so that the input impedance can be measured using a VNA? Is the input impedance of the...
When I initialize PPI after timer1 has been initialized I get a fatal error (and reset).
Code:
const nrf_drv_timer_t timer1 = NRF_DRV_TIMER_INSTANCE(1);
nrf_ppi_channel_t...
Hello,
we were measuring sleep modes and it consumes around 1.3uA which is correct.
But when we needed to be woken up on edge we found out it consumes extra 8uA! Are you...
Are there any nRF51 demo firmware implementing paring function that the central and peripheral devices will connect automatically without user interaction when they come ...
i am working using NRF52, s132, sdk11, freertos.
for fft , i used "arm_rfft_fast_f32(...)" in cmsis-dsp library.
and i inserted a fpu interrupt.
NVIC_SetPriority...
Hi.
I'm using PCA10040.
I'm trying to control GPIO.
But I can't control PIN 09, 10.
Let me show you my source code.
int main(void)
{
/* Configure LED-pins as outputs...
Hello!
I have encountered an interesting issue:
When I use compiler flags (GCC CFLAGS) -Os or -O0 together with -flto the pstorage function pstorage_block_identifier_get...
After I combined the Timer example and ble_app_uart, the program is hanged at below function when init the timer. Please tell me why
__STATIC_INLINE void nrf_timer_event_clear...
I need to turn off a GPIO after 8 hours of it being triggered.
I was reading about changing the prescaler to allot for 8 hours. I did the calculations and came up with a...