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 there i want to interface nrf51 dk with ds3234 using spi. i see spi master example. how to assign SPI I/O pins. can you tell me how to do it?? i find SPIMO_SCK_PIN....
Hello,
I am trying to work with the nrf51sdkv10 and trying to install arm-gnu-gcc toolchain on my MAC-OSx (El-Capitan). I downloaded the 4.9.3 version and installed in the...
For nrf51, the current consumption is more than 1mA when GPIOTE is used since 16MHz clock is always on. Is this fixed for nrf52? or nrf52 still has the same level current...
Migration document is great - I'd be lost without it. I'm just trying to be sure I understand the two changes for "GATT Server Authorizable Write Commands" and "GATT Server...
Hi,
My S130 based BLE implementation, when scanning, seems to receive BLE advertisements out of order, when the traffic is high. I wonder why. Could it be so that the callback...
Hi,
I would like to misuse the SDK by creating an communications systems based on advertising. From several Q&A posts, e.g. this one ), I understand that the current S130...
Hi,
I am writing an application on top of NRF51, using a S130 Softdevice. I wonder about the concurrenceness (?) of the code I write, and especially if I need to use critical...
How do I make sure, the GATT server running on the BLE peripheral client connects only to a specific app based central/GATT client app, which has been authenticated via web...
Hi everybody!
I am working on ANCS and I found a problem that: At the first time I connect my Iphone to the dev kit, the pair request appeared on the Iphone. If I ignore...
Hi,
I have been having a lot of problems communicating with an Atmel SAM D09 as a slave, and an nrf51422 as a master.
I seem to have two problems, hopefully solving...
Hi all,
I design the kb based on the SDK6.1 and SD7.1 with 51822, and doing the PTS certification now, but meet some problem on TC_CON_BV_01_C, ATT Write error, such as...
