Hi, my friend,
I've been with nrf905. I use a 16-bit CRC check.
But I encountered problems in use:
1.Nrf905 16-bit CRC check format is CRC-16(IBM):X16+X15+X2+1 or other...
I have two custom PCBs, each of which has a microcontroller and an nrf24L01+. Everything related to the transceiver in the designs are complete duplicates (with the exception...
Hello,
I've built a small BLE-device based on the nrf8001.
With my Iphone I can discover this device and I am able to connect to it and listen to notifications of the...
Our pcb is used for gps location data. We have a nrf24L01 nordic chip as the micro process or between the gps module and wireless module (2G). Our engineer needs to capture...
Hey folks,
I'm trying to modify the SPI Master loop back example into a 4 line SPI Master_Slave program. Whenever I change the Tx_Buffer_lenght from 10 to lsome other numbers...
Hi.
I am using S130 softdevice version.
Basically, I am using NUS Service and make a my own NUS central service as NUS_C.
It is correctly work at normal state.
When...
Hi All,
Please Reviwe for a attached circuit file(Chip ANT of nRF51822.pdf).
I also attach a datasheet of chip antenna applied for that circuit(SDBTPTR3015 Data Sheet...
Hi,
I test Whitelist function in the example ble_app_hids_keyboard_pca10040_s132 using SDK12.2.0.
I donnot understand the code in "case BLE_ADV_EVT_WHITELIST_REQUEST:" located...
Hi all,
I have some problems with GPIO Interrupts.
I'm using nrf52832, s132 and sdk 12.2
The error is totally random so I don't know why is generated. The case is...
Hi,
We are using the Secure DFU from SDK 12.2, with SD132 3.1.0, on a PCA10040.
As a DFU controller, we use a PCA10031 with a SD130 2.0.1 and a project derived from the...
Hello,
We are migrating from IAR 760 to IAR 8.10 compiler does not produce the same assembly for the SDK12 inline function nrf_delay_us.
The original C Function is :
...
Hi, i am working on RTLS project. In beacons i want to enable DFU service using SDK 13.0. But I could'nt find a gothrough process to do the same. Please give me some link...
I am using S132 4.0.2 and SDK 13, and I have theese questions:
I have an application where BLE node establishes multiple concurrent connections (several as central...
Hello,
I'm having systematically an HardFault interrupt ~10 seconds after calling sd_soft_device_enable(NULL, &fault_handler);
This occurs on my bootloader code, but...
Hallo Community,
I am doing the example ble_app_uart using Eclipse, a SDK 13.00 and a board 10040, When i compile the main file I´ve problems with scan params:
#if ...
#define UART_TX_BUF_SIZE 1024
#define UART_RX_BUF_SIZE 1024
Why to send and receive buffer length of the definition of 1024 bytes, increase the value, again if serial port...
Hi, I just bought the PCA10031 nRF51422 based USB dongle and PCA10028 nRF51422 based development board.
The difference between nRF51822 and nRF51422 was the ANT protocol...
Can I use below code to send data packets continuously over nus (>20 packets)
i=UserUart.RxBuf[1]+2;
index = 0;
while(i>0)
{
if(i>20)
{
while((err_code = ble_nus_string_send...
Hi,
I am using nRF52 chip with SDK13.0. MTU size 155.
I am connect with device using android phone. After sending 1 byte command device starting to send continuous notification...
hello there i think i need two uart in my application. i read datasheet of both nrf51 and nrf52
in both there is only one uart.
can anyone have implemented software uart...
Use this routine E:\nordic\nRF5_SDK_12.2.0_f012efa3\examples\proprietary_rf\gzll\experimental\gzp_desktop_emulator
To modify the can communicate with PC nrf24luep pairing...
Hi.
I'm troubled.
I use nRF52 preview DK v0.9.0 & Keil5.
i tried ble_app_hrs_c in example folder of nRF52_SDK.
This program stopped at
err_code = sd_softdevice_enable...
