why use 50ms and 400ms connection interval for testing the maximum data throughput(2M,247byte payload)?
Because 50ms can only send a pdu , and 400ms can send up to 8 pdu...
Hi,
I am using Keil IDE to develop nRF51822 project.
in main(), the command line
APP_SCHED_INIT(APP_SCHED_MAX_EVT_SIZE, APP_SCHED_QUEUE_SIZE);
has Error : L6218E...
Hello,
I'm new to the Nordic SDK and I would like to ask you for help with implementation of PORT events for revision < 3 in "low power" mode instead of "high power" mode...
Hi Nordic,
I've built a ble app with a custom protocol, but am struggling with storing bonds, when running under freeRtos.
What I see:
central app crashes (hardfault...
Hello All,
I am new to this forum, I have been using nRF51822 for a while, and its a great little BLE chip. I am usinga BLE keyboard to send a key to iphone and I captured...
I WANT COMMUNICATION BETWEEN A NRF51422 AND NRF528321 BOARDS, IN WHICH IN NRF51422 BOARD I WILL MEASURE PWM COUNT(IT IS PHERIPHERAL) AND SEND IT TO NRF528321 BOARD WHICH IS...
Hi,
I've been working on a way to detect and prevent replay attacks when beacons are used for sensor data. This is mostly used for home automation sensors, where I have BLE...
Hi,
The xQueueReceive function in FreeRTOS seems to be broken, when a non-zero timeout is specified.
Example, I'm trying to create and ordered output mechanism for the...
Hello there,
I managed successfuly to build the 'ble_app_hrs' of SDK10 on my NRF51 on GCC MARS 2.0 using these two guides combined:
devzone.nordicsemi.com/.../
devzone...
When i use the nrf_drv_adc with NRF_ADC_DEFAULT_CONFIG i get the following compile errors:
rf_drv_adc.h:127:27: error: 'ADC_CONFIG_IRQ_PRIORITY' undeclared here (not in...
I am developing a real-time system which triggers an interrupt every few milliseconds. That data is collected in the interrupt. When a memory buffer is full, the data is then...
Hi,
i am trying to start a RTC0 on nrf52 DK with SoftDevice (s132) enabled with project based on "ble_app_template". The problem is that a sd_softdevice_enable() (called...
Hi.
I am using the NRF52 Development board, on Keil uVision, to implement a C program that uses Dynamic Structs. The Structs re-size themselves ( by increasing their capacity...
Hello,
I have setup a development environment using Eclipse and GCC. This setup works nicely. Thanks!
devzone.nordicsemi.com/.../
I noticed different examples in...
Hello,
We are currently designing the hardware for a production run of our product using the nrf52832 chip and would still like to have debugging capabilities with breakpoints...
I have been learning GCC+ Make work flow to build and debug nRF51822 S110-only applications based on the examples from NRF51 SDK v10.0.0. I started with ble_app_beacon example...
I tried to work application.
But firmware stops at advertising_init(). When I exchange advertising_init() and services_init(), firmware does not stop.
why ?
S110 v8.0...
Hello,
My device is nRF51822 SD110 8.0.0.
The problem occured after firmware update in bootloader (own, not SDK) with readback protection enabled.
So bootloader connects...
Hello,
I am currently finishing my deploy script and I am currently using nrfjprog to write some custom UICR data. I have a contiguous region of memory to write but I do...
Dear Nordic team,
Beside other persistent issues with your proprietary DTM command for setting Tx Power (see here and here ) I've found that default Tx Power in ble_dtm...
How do I add multiple devices to a whitelist (as the central, adding peripherals), then use the white list for multiple connections? I have read both
devzone.nordicsemi...
I have nrf51822 QFACA1 and STM32f407VG. I'm programming nrf51822 QFACA1 using STM32f407VG SWD pings. And now I want programming BLE nrf51822 QFACA1 but I can't find any working...