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
this is my timers_init(); func
static void timers_init(void)
{
uint32_t err_code;
// Initialize timer module.
APP_TIMER_INIT(APP_TIMER_PRESCALER, APP_TIMER_MAX_TIMERS...
I am writing an App for the Central/Master side using the s130 v1.0.0 SD. I am connecting to the soft device using the python wrappers for the nRF51-BLE-Driver-Win 0.5.0....
I want to write a program in Keil by SPP for communicating with a thermal printer that uses SPP
but I can't find source code about that.
Is this possible to do this with...
Hello
i have nrf52 PAC10036 dev Board.
i am using the visualgdb.
when i try to create the instance of the TWI.
i got the error
please check image for detail.
How i can...
I want to turn off BLE-peripheral Advertising for 8 hours but I want to use another timer with period of 50ms to scan GPIO ,
when I change prescale of
APP_TIMER_INIT(APP_TIMER_PRESCALER...
Hello,
is there a good documenation or introduction about the Programmable Peripheral Interconnect Feature? I read the short part in the Objective Product Specification...
Hi everyone,
I need to use an nRF51822 (MBH7BLZ07-109033) mounted on a custom board.
I want to develop my firmware application on the custom board in such a way I can...
Hello,
I am using nrf51822 doing projects. I met an issuse which is that at the first 6 minutes, it can normaly go into UART interrupt and run subroutine successfully....
I'm testing out TWI on pins 24/25 and I get a crash when I attempt to do a TWI transfer and I find myself in: WDT_IRQHandler ()
I'm using much of the example code:
APP_TWI_INIT...
Hello, I have a few nRF devices, and I am unsure as to which revision the ICs are. Here are the three HWIDs:
0x00AE,
0x0086, and
0x0077
I tried looking into the nRF51_Series_Compatibility_Matrix_v2...
Hi,
I need to sample 2 inputs at 200Hz and send it on an app. Can I send the data at this speed using UART service? I was trying to do it using HRM example but could not...
Hi, I am trying to compile the code
github.com/.../main.c.
I need to include the header file uart_confg.h, can someone tell me where I can find it in the sdk 10 component...
Hi,
I wrote a program that uses ESB communication between two nodes. On both sides I use the same ESB configuration and the same ESB init function, the difference is only...
Hello,
Environment: nRF51DK + SDK8
We've developed the beacon application but the advertising interval is set to 5 seconds. The beacon can be discovered by nRF Connect...
I have searched here on the DevZone, and also around the web, and don't see this issue mentioned elsewhere. I really appreciate any help finding a solution.
I tried following...
