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...
Trying to send 3 20-byte packets of data from nRF51822 (peripheral device) to a Samsung Galaxy S5 (central device) and send 1 20-byte packet back, all in less than 10ms. I...
Hello,
I'm looking to bootloader sources and i want to add a timeout if entering with a signal in DFU mode and no DFU detected for one hour.
There is a timers_init function...
I have a project that requires full-duplex voice comms (doesn't need to be high-quality). I'm evaluating the suitability of BTLE for the task. The new nRF52 has a PDM module...
I'm moving to Nordic from "another" BLE s.o.c. where the UUIDs, profiles, services and characteristics were defined in XML. With that product I could modify or examine or...
Hi
In nRFgo Studio there is an option to read the entire memory of a chip. In my case nRF24Le1 to a .mhex file.
The first lines of the .mhex file says:
Infopage:
Identifier...
I try to create a beacon which can receive dynamic UUID through UART and advertise with the received UUID.
Now I am working on the sample ble_app_uart, to replace the existed...
Hi,I have need to set TIMER2 interrupt at high priority because I need a interrupt at 0.5ms.
This interrupt must comes while Softdevice is enable and my device(nrf51822 beacon...
I've a query regarding the assert message that I see in the application.map file, when I use GNU Toolchain for building the application firmware for NRF51 SOC.
Environment...
Hello,
We avoid MITM attacks by using a static passkey. Does it mean that the attacker can decrypt the connection if attacker get the passkey? What I transfer or receive...
Keil uV5, nRF51822, TWI hardware version
I'm trying to use twi_hw_master.c and I have made one simple change to define the CLOCK and DATA pins to 1U and 2U for my target...
From reading the product specification and the reference manual, it appears that there is no accessable DMA controller. and since there is no EASY DMA for uart, how would...
Hi,
I'm trying to transition my application from SDK 7.2.0 to SDK_9.0.0 and am having some issues when including nrf_delay.h compiling with gcc:
Nordic/nRF51_SDK_9.0...
I have another problem ，when i debug s130 demo by jtag，set free run，the software running OK
，but when i set a breakpoint or stop running，then free run again，the software...
