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...
Hi,
I have a similar problem as described in
devzone.nordicsemi.com/.../
I have eliminated my program to be:
int main(void) {
setupLEDPins();
BluetoothPeripheral...
We are having some trouble with battery percentage measurement. The battery percentage being reported, keeps fluctuating. Earlier the fluctuations were as large as 3% to 100...
Hi,
I recently made some changes to the code and noticed the following errors for the first time.
Error: L6406E: No space in execution regions with .ANY selector matching...
Hi, all!
I am rencently studying ota,and that is what I have done:
Program softdevice 6.0 into my nrf51822 chip.
Program bootloader(version in SDK5.2) into my nrf51822...
hello everyone,
I recently purchased the new nRF51 dongle. I could successfully load the blinky example with S110 soft device to it. But it is not working with the HRS example...
Hi, I am trying to use your new sd 8.0.0 but there are a lot of compilation errors due to the new APIs and removed section from security structs in SDK 7.2.0.
Are we to sole...
Hello
I have the nRF51822EK PCA10001 (V1.0) and PCA10000 (V1.0).
I'm working on a project where i'm going to send data from a custom board over to the PCA10000 dongle...
Hi all,
I have a small question. If a GATT server needs to send data to a GATT client(about 65 bytes), does it have to create a service first and then adds characteristic...
i am trying to make connections between s130 device and end node which have heart rate service.
according to the s130 document once if you press the button 0 it will automatically...
Hi
during setup of a peripheral at startup, I need to add some wait periods in between steps of the setup. Is there some function like waitMS(int time) or something, that...
I've gotten the experimental_ble_app_s130_example_c_pca10028 (BLE Dual role application) to work with my nRF51-DK (modified for my needs). It's an nrF51422 chipset.
I want...
Folks,
Newbie here with mbed, using nRF51-DK, but old hand with nRF51822, S110, SDK, J-Link, Keil MDK, etc. Trying to figure out how the mbed SDK API maps down onto the...
I have 25Q64 SPI flash chip connected to SPI bus. Unfortunately it works too slow even with using IRQ routine via SPI0_TWI0_IRQHandler (everything done like in example spi_master...
I was wondering if its possible to do a "Create new user" function, so the new bonded devices are accepted only if the first connected master tells the peripheral to.
For...
Hello,
I have taken the ble_app_beacon example and added a few things... I am looking to do something very simple like light up an LED on connection. So i added the on_ble_evt...
