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...
Hi all,
i want to know answer related to following question
1)what is use of uicr?
2)if i place some value in uicr and then change the image,then is there will be change...
It used to work, but now it says "Connected" but the rest of the GUI never changes and the mouse just shows a busy spinner. Here's the log file:
0;13:45:18.9900 [MainThread...
We are fine tuning our manufacturing process placing the nRF52840 and would like to know what surface finish is used on the chip. I was not able to find this in the spec.
It seems like a similar IAR debugging problem has been solved but after a day of trying everything...
BLE application with SDK 6.1 and SD 310 1.0 running IAR 8.1 (and identical...
Hi!
Thank you for providing an SDK for BT mesh so early. I'm wondering if you also provide an Android (or perhaps iOS) mobile app that interacts with BT mesh, e.g. by acting...
Hello,
i'm a french student so i'll try to do my best to talk in english with you. I'm trying to use and understand the nRF51822 in order to transmit data to a smartphone...
Hi Expert,
why BLE_APP_UART example can use button 1 to button 4 to wakeup from sleep?
I checked source code I only saw the BTN_ID_WAKEUP is 0.
#define BTN_ID_WAKEUP...
Hi, according to the Bluetooth Mesh Glossary , there are 4 features supported:
1. Relay;
2. Proxy (GATT);
3. Low power;
4. Friend.
Questions:
- Which of these...
We are releasing a firmware update which adds an additional bluetooth profile. Since we do not want or can retest the entire stack, we use a Previously Qualified Design (51744...
I'm using NRF51822 with soft device version 6.0.
I'm trying to create an event which should be triggered every 24 Hours. In the current implementation in our code base...
I saw the demo of nRF52832 connected 20 peripheral devices and control the light in the peripheral.I would like to know the more deatil of the whole operation in chip/SD....
I've searched and the majority of answers seem to be years old.
I have an existing app_timer event handler that works perfectly, blinking LEDs.
I will soon have another...
Hi! I'm using two RedBear Nano v2 and I'm trying to read a long characteristic from one of the two devices. As I read in other posts in the forum, I need to invoke the read...
If I'm not mistaken, both S110 and S130 support OTA DFU right?
I understand that nordic semi most likely recommend S130 over S110, but please understand that
my current...
I have previously developed on the nRF24LU1+. This device would have a CHIPID in the InfoPage, This ID would have guaranteed it does not violate the requirements for ESB addresses...
Hi, im using NRF52832 whit SDK 12.3.0, when i compile this error appear, "undefined reference to `nrf_drv_spi_init", i included the "nrf_drv_spi.h" file.
also try to include...
Hi everyone,
I'm working with nrf52832 and i'm trying to send data over BLE for communicate with a mobile app. I saw that we could pass data with the function ble_nus_string_send...
