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...
Hi,
How can i wake up(interrupt) the nrf51822 device from "air" (from my iPhone application)?
For example after i paired iphone with nrf51822 i want to put the nrf to sleep...
I am using SDK 7.1 and I am attempting to use the Makefile.common found in sdk_7.1->components->toolchain->gcc->Makefile.common. However, the Makefile.common appears to contain...
I'm trying to send multiple 20byte notifications per interval through the NUS usart service to iOS 7.0, 30ms conn. interval in the UART demo app. It seems I cannot tx more...
Hello,
I'm working on a project with SoftDevice s120. I played with the project ble_app_multilink_central. The maximum number of characteristics per service supported by...
Our application includes a 32.768 kHz crystal oscillator with a nominal +/- 20 PPM accuracy. When I factor in aging over 10 years and worst case variation due to temperature...
Hi !
In questions question1 & question2 Petter Myhre gave a complete answers about count of max characteristic per service in s120 and how to resolve this restriction....
Hi,
I am now developing the BLE with our company's own sensor, so we are not using the motherboard. There always a problem when we use it. I am using the PCA10004 board and...
SourceCode_SSDI_BTLE_BeaconReceiver.zip I am starting to use the Nordic chips, and have a PCA10004 board running. I have modified the experimental_ble_app_multiactivity_beacon...
Hi Nordic,
I am a hardware/firmware guy without App development skills and I also lack the time to acquire these skills. I enjoyed your UART App during my development,...
Hi all,
First of all, I'd like to express how pleased I am using this development kit. The easiest ever to start with, well documented and most importantly I can use the...
hii...
am using nrf tool box app in my iphone. i have tried to use dfu feature.i flashed softdevice and bootloader hex file to he evaluation board and in i phone app i...
In the "NRF51 Series Reference Manual" (v3.0) it states:
The LPCOMP shares registers and other resources with peripherals that have the same ID as the LPCOMP.
You must...
I have a timer that wakes up every 20ms to read twi.
Unfortunately it takes 4.4mA for the CPU to execute code from flash.
I would like to reduced the current consumption...
I am develop in Android BLE , I have no idea about Auto reconnect to BLE device in android when it is in range and starts advertising
I have reference the Android BLE Connect...
