I am working on the proj that needed 2 MCU and nrf51822 work as slave.
I would like to know any ref on how to firmware upgrade on board without external tool?
We're looking for a Nordic nRF51822 based low profile/small USB dongle that we can use for our iBeacon software.
It would need to come complete with casing and the ability...
Hi all,
i want to establish connection between two threads in cmsis-rtos, can i use
1) semaphore to do this?
2)message queue should be used or any other ipcs can be...
Hi,
I have two CPU in our product. (STM32F2 and Nordic nrf51422).
I use serialization function to link those two CPU(refer to ble_s110_serialization sample)
But I find...
Hi,
My behavior is as follows
Turn on my device(use 51422) and advertising(2 Service and 3 Characteristic)
Turn on my cell phone(Samsung Note3),scan my device...
Hello:
I used analog IIC write MPU6050. Again after power download programs, mpu6050 can run up there ACK response. But the debug will not run. Simulation IIC because no...
Hello!
How can I communicate with my nRF24L01+ and nRF51822 at the same time. I can set up same channel, CRC-mode and I don't use ESB. But what about address? How do I set...
I have been using SDK 11.0.0 in a gcc/Eclipse environment successfully.
I can download the ble_app_hrs_pca10040_s132 example to the dev board and successfully run the HRS...
I am developing a script that runs on the nRF51822/ BLE nano to connect to other devices using blue tooth low energy. To do this currently I am looking at the heart rate example...
I am testing the ble_app_uart and nRF UART app. When I transmit the message from mobile phone to the module. The module can always receive the data and display on the terminal...
Here's the original error:
compiling app_util_platform.c...
C:\Keil_v5\Nordic_SDK\nRF5_SDK_12.1.0_0d23e2a\components\libraries\util\app_util_platform.c(17): error: #20...
am trying to use SPI with nRF 52832.
So I implemented spi_master.c which was used in nRF 51822.
However, it does not move hard.
The length set by SCLK does not come out...
Hi,
So I'm fairly new to programming the nrf51822 and using the Nordic platform.
I'm currently using the nrf51822 Waveshare DK. I have setup JLink5.1.2, nrf5_MDK_8_5_0...
Hello,
I am using SD 130 on nRF5 with SDK V12.1.0.
I want to write to a characteristic using the android debug app (nrf connect).
This is my code for the characteristic...
Greetings,
As mentioned in this blog post, GCC compiler -flto flag isn't mysteriously present since SDK 9.
devzone.nordicsemi.com/.../
Any specific reason for this...
Hello,
I use a SparkFun programmer to flash a nRF52832, once I flash my board (with the program below), I type in my terminal : "JLinkExe -device nRF52 -speed 4000 -if SWD...
I have many peripherals, dealing with each of them individually will be very ineffective. The peripheral has no buttons, but it has a display.
Questions :
For security...
Hi,
In my application of interfacing SD card with nrf52, I am using SAADC to sample the input signal at 1000 samples per seconds. These samples I am combining in 84 packets...
I have set up ble_app_uart along with gpiote and spi. When I first trigger the GPIOTE event the MCU is supposed to go to sleep after, but it seems to keep running in the main...
Hi Everybody!
I'm trying to integrate a buttonless dfu into my application but I'm not able to get even the provided example in SDK 12.2.0 "experimental_ble_app_buttonless_dfu...
Hi,
When calling app_sched_event_put inside the same hanler i am exit to main for(;;)
The main loop
for (;;)
{
nrf_drv_wdt_channel_feed(m_channel_id);
app_sched_execute...