I have used your example of a bootloader nAN_18. I can create a basic program, with new firmware, and also load my new bootloader program at the high end of memory.
My...
Hi,
I'm developing some projects with the nRF51822 chip and I am not able to debug them successfully any more. However, I have previously debugged correctly some projects...
Hi,
We've been seeing an intermittent connectivity issue in Yosemite in discovering BLE services, namely scanForPeripheralsWithServices does not return anything. The same...
Hi there is a problem in github.com/.../nrf51-UART-examples
any one can help?
I put empty loop in main, and comment off all ble related int. and I process uart_evt by...
Hi,everybody!
When i install master control panel 3.10.0.14, i can't find nrf.exe in " C:\Program Files\Nordic Semiconductor\Master Control Panel\3.10.0.14\nrf ". Only nrfutil...
Hi,
I've been using the nRF51 dev kit, and today it stopped mounting when I plug it in. It doesn't show up as MBED or BOOTLOADER.
I use both Mac OS X and Windows, though...
SDK_9.0.0
I was trying to implement 2 different UART connection parameters so I decide to use re-initialization.
My initial parameters included APP_UART_FLOW_CONTROL_LOW_POWER...
I am using the nRF52840 Preview DK with BLE 5.0. In the BLE ATT_MTU Throughput Example,I use several api such as sd_ble_gatts_value_get and so on,but i still can not read...
Hello,
I'm using several gpiote interrupts in SDK 12.0.1.
I want to know the max number of low power input pins.
My configuration in sdk_config.h is like below.
thanks...
Hi,
I need to read more than 3 or 4 Bluetooth Heart Rate Sensors (like chest strap, arm band, and so on)... I need to do this using Arduino and some library.
Could someone...
I'm using the ble_app_hrs_adc_battery_measurement example ADC code in my project
However, I don't understand what these lines do
github.com/.../main.c
As far as I...
I am trying to add spi communication to the twi_master_with_twis_slave project because I need to communicate with two different sensors. I have included nrf_drv_spi.h and...
Hi,
in the NRF52832 documentation the TX chain delay is 0.6 µs while the RX chain delay is 9.4µs.
Does that mean if transmitting two packets in a row to the same receiver...
Hello everyone,
I have been using nrf52 IoT SDK for MQTT implementation. Everything works fine as long as I am publishing or receiving only one character i.e.
param...
In Bluetooth Spec (CoreV5.0, Vol6, Chepter6, Section1) it is mentioned that the random private address is generated periodically by a timer handler. I could not find any mention...
1.specification says that we should trigger EP0STATUS task to initiate the status stage for control transfer(read/write).
actually nrf52840 will auto ack the OUT TOKEN...
In Eddystone example in SDK 12.2.0, APP_MAX_ADV_SLOTS parameter is by default 5, but if I try to use less than 5, an error appears in es_flash.c because in the code, 5 slots...
hello there i want to scan particular device. so i am using whitelist. i change in hear_rate center code. but its not working. other unwanted devices are also scanned. i am...
Hi,
We are working with the nrf51822 on mBed platform
We have created the following profile under deviceinformationservices
in main.c
uint8_t DataCounter = 100;...
Hi there!
I found out that there is some problem in the example ble_app_hrs_rscs_relay in nRF5_SDK_11.0.0_89a8197. I want to restart advertising when adv timeout. I did as...
I'm trying to use app_timer_cnt_get() to implement an RTC Calendar system on a Gigawit module (nRF51822).
I have a test app_timer that has presacler=0 and period=3 seconds...
This is no a question, but i was not sure where to post it.
I was trying to use the nrfjprog command with the new version of SEGGER JLink, but the terminal output was ...