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...
Hello,
I use EV-board PCA10040 and run I2C demo on path nRF5_SDK_11.0.0_89a8197\examples\peripheral\twi_sensor\pca10040. I measured the current over 5.7mA .if modifing the...
Hi.
I've got little problem with the uart connection to one peripheral. It's a normal 2-line connection without HW flow control. I'm using app_uart_fifo. HW is nRF52 with...
Hello,
i have a problem with the PCA10040. I try to set up a ANT Transmit Channel.
If "ant_channel_init" is called from main everything works fine.
But if it's called...
Hello,
I am developing in NRF52 with SDK v11. Initially I want to use CMSIS DSP library for statistic and FFT functions. However, I read that CMSIS Pack is not supported...
Hi,
I wrote a functional firmware which has been tested and valited on a nrf51822 QFAA, but unfortunately I need more RAM to fit the requirements of my application so I...
In the Android version of the Master Control Panel I'm sure that earlier versions of it hid the 'Connect' button for non-connectable devices. It seems they all have it now...
I'm starting to get things moved over to Peer Manager in SDK11 and when I call pm_conn_secure I get NRF_ERROR_NO_MEM. When reading the manual it states that this error means...
I'm using sdk10, I tried the bonding feature using device_manager and it's working. but then when I perform DFU, the bonding information is erased. I can't modify the bootlader...
There's a note in the migration guide which says .. very ominously ...
Applications must not modify the SEVONPEND flag in the SCR register when running in priority level...
In the MCP app, if I have the following service data for an Eddystone beacon:
0x10, // Eddystone-URL type
0x00, // TX power in dBm. This is a signed integer so 0xEE ...
Dear Sir
In nRF51822 xxAA (Ram is 16kB),
softdevice(s120) is using RAM (address: 0x2000_0000 ~ RAM_R1_BASE).
I think that SoftdDevice region is used, after sd_softdevice_enable...
Hello,
It just a diode drop away from 3.9 to 4.2, and 20% typical of a Lipo discharge, just wondering whether the IC design and process is really that tight. The nRF52...
I recently tried to add security features (encryption, no MITM) to my application, and I am using nRF Sniffer to verify. nRF Master Control Panel gives me the request for...
Hi,
I'm newbie in the RF Design. For my project nRF52832 chip is being used for BLE and NFC. Have a query regarding the NFC section which is listed below-
Please refer...
