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, i'm using a code to save 4 bytes on the flash memory and it works. In, fact i checked the data address concerned using the keil and i see the changes when i write and...
I can send a CR terminated string through the UART using tx fifo OK.
BUT, if I receive a string from the UART rx OK first, and then try to send a string, only the 1st character...
Canyou please tell me how to do , to save correctly 4 bytes in my program that uses flash memory for bonfing. i have how to save 4 bytes function seperatly, and my program...
Ported the hrs_rscs relay central-peripheral app with peer mgr to custom platform with mutliple peripheral devices, and it has been working very well. The last step is to...
Hi,
I have a app that using a constantly blinking LED started at power-up, however I am having some trouble stopping the timer.. (Yes, I know it's simple.. but i still...
Dear support team,
I have problem with recovering the nrf52dk board.I check devzone.nordicsemi.com for issue, but nothing solve the problem. Board need to be recoverd...
I want to use nrf52832 to communicate with my sensors , but my three sensors should use spis to communicate, the others use TWI ,so in sampling , I need to switch between...
Is there a schedule to release an up to date version of the "nrf51-ble-driver_win_0.5.0" package, including the compiled serialization dll?
The package is a download for...
Hi,
I am burning the same code on two sets of chips nrf51882 and nrf51442. The nrf51882 chip is with 16kb RAM and 128kb of flash memory while the nrf51442 chip is with...
Hi,
I took a example (ble Peripheral : ble_app_uart) and enabled bonding and whitelist as per the tutorial devzone.nordicsemi.com/.../ and followed these link ( devzone.nordicsemi...
Hi. I'm using SDK 11, SD s130, gcc, nRF51822. My application is a peripheral that advertises OK and gets a connection from our mobile app OK, but then gets a PM_EVT_ERROR_UNEXPECTED...
Hi ,
I have designed a beacon using nrf51422 nordic chip. But when I checked the antenna frequency , i came to know that its above 2.45 Ghz. I tried by the changing the...
Hello:
I open nrf51-ble-tutorial-service-master\SDK 11.0.0\nrf5-ble-tutorial-service\pca10040\s132\arm5_no_packs\nrf52-ble-tutorial-service.uvprojx and compike then find...
hello:
I open nrf51-ble-tutorial-service-master\SDK 11.0.0\nrf5-ble-tutorial-service\pca10040\s132\arm5_no_packs\ nrf52-ble-tutorial-service.uvprojx, and compile ,the result...
Hello,
I am developing custom driver for TWIM. I am facing a problem with DNACK and ANACK which hangs my application. SCL and SDA lines are monitored through Saleale logic...
