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）...
Hello Nordic,
My development environment:
SDK>> NRF51822_SDK10, SoftDevice>> S130
Example>> ble_app_uart
I am looking forward to your reply!
Thanks.
Best Regards...
Dear friends,
according to "nRFConnect_BLE_User_Guide_v2.0", to set up a local device,i should complete the following steps:
Connect a development kit or dongle to...
Hello,
Is it possible to use easyDMA to transfer from GPIO to memory without involving the CPU? We need to read from a parallel bus for a short duration, without losing...
When setting up a 1Mhz square wave using NRF_PWM on the NRF52 or GPIOTE on the NRF51 while BLE is advertising, the PWM stops when the radio is active. The problem doesn't...
Hi,
I'm developing a BLE application for the nRF52 and I wish to use directed advertising and the whitelist.
I initialise the Bluetooth advertising using the following...
I have been using softdevice S130 version 2.0.0-7.alpha with SDK 11 in Keil using the pack installer. How do I change my project to work with the updated version that doesn...
Hi,
I believe there's a minor bug in low_power_pwm.c regarding pwm_state.
The routine low_power_pwm_start sets the pwm_state to NRF_DRV_STATE_POWERED_ON ; but it then...
I've a PCA10036 V1, I change the IC to nRF52822 QFAA-B016. With nRF5_SDK_11.0.0-2.alpha_bc3f6a0 and SD: s132_nrf52_2.0.0-7.alpha_softdevice, the programme started but if I...
I am troubling shooting some issues between my device and iPhone using nRF Sniffer.
One of the errors the sniffer captures is this:
Master to Slave: Rcvd Read By Type...
I will be using the nRF52 adc from -20C to 85C and am trying to determine if I need to calibrate and if so how much temperature difference I can have before it is time to...
Hi, I'm working on the nRF52 with S132 v2.0.0.
I am using a self-implemented "connection manager" that tries to establish bluetooth connections to pre-configured auxiliary...
Hi,
I am using 2 x AA batteries which gives 3V. Planning to enable all the internal LDOs (1.2V, 1.8V and Radio LDO).
VDD and AVDD are shorted on Board.
Will the device...
Is there a porting guide to this?
Custom hardware
Central device
SDK V11
I'm getting a reset in client_handling.c::ble_stack_init();
Right after I set the clock as...
Even I am writing BLE applications, but I don't totally understand these items:
In Characteristic Properties of GATT Characteristic metadata
We have read, write, notify...
I am trying to trigger some functions based on some pre-determined timings. I tried to do that using nrf_delay_us and also using timer0 interrupts, but both are giving me...
Hi,
I'm using nRF Master Control Panel to test a Phone Alert Profile (PASP) I've implemented. For this, in the app I configured a GATT server that exposes the Phone Alert...
Hi,
I am using nRF5_SDK_11.0.0 to learn how to use BLE stack to communicate.
For the BLE HRS app, I want to achieve sth. like this:
Central node can configure the sending...
