This question has to do with the observed "recursivity" of the calls to "app_sched_execute" in SDK13 as described in the previously asked question below:
devzone.nordicsemi...
hi.
How do i do ble_app beacon advertisement to one device(Android phone) whose bluetooth address is known ?? I want that beacons should only be seen in nrf_connect app of...
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...
Hi
I ran the example " ble_app_hrs ". the consumption is 1.5mA, when I hold SWCLK and nRESET low,the consumption is fall to 0.9mA. how I could reduce the consumpion??
I can input "hello" in win8.1 with button 0
==
before text in iphone5
I change
#define MIN_CONN_INTERVAL MSEC_TO_UNITS(16, UNIT_1_25_MS)
#define MAX_CONN_INTERVAL...
Hello,
I am searching for an exampleproject to learn how to connect to motherboards (or an evaluation board)
over bluetooth:
I try to send data from on chip (nrf51822...
It seems that is not possible to rewrite data on a block ?
I want to persist some data. The first time (after erasing all the flash memory) I store a data on a block, it...
Hi,
I use the nrf51422 chip.I want to know if the ANT establish link between chips,where can I get the matching configuration (like device type、channel ID).I mean is...
Hi all,
I noticed that there are some instructions for testing keyboard on win8.1 or USB dongle.
Can I test it on my iPhone5s which is iOS7.0.4 now?
Regards,
Aaro...
when I use nRF51822 ESB Protocol,I set retransmit delay = 600us,anything else is working
good,communication is very well,but the minimal Tx period is 1.2ms,not 600us,why...
Is there a way to recieve more than one write callback for a given characteristic, per radio session? It seems like I can rx 1 time per attribute per radio session and tx...
I want to generate a pulse signal with PPI, timer2 and gpiote. But it doesn't work. Anything wrong with my code?
void init_timer1()
{
NRF_TIMER1->PRESCALER = 1;
NRF_TIMER1...
I'm working on a product that integrates an nrF51822 talking over SPI to an external display. The display protocol involves a series of alternating 10 us sleeps and SPI sends...
Hi,
Is it possible to skip a advertising channel by maximizing the advertising interval?
I can measure the current consumption of my device through CRO as specified in Evaluation...
My code:
uint32_t err_code;
uint8_t randomBytes[6];
err_code = sd_rand_application_vector_get(randomBytes, sizeof(randomBytes));
When this function is called...
Dear Sir,
What is effect, if I change the Heap Size from 2048 to 1024 in arm_startup_nrf51.s file?
On my project, my device (nrf51822) connect iphone with ANCS, sometime...
Generic Access (0x1800)
General Attribute (0x1801)
can them be removed? if they can't be removed, can we use it instead of customer service? my purpose is to reduce advertising...