I'm using Softedevice 6.0.0 and SDK 5.2. and Keil 4.7.
I Modified bootloader project so it compiles with both ble and hci transports. Currently I use button_0 and button_1...
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...
Hi,
I am trying to program an NRF51 DK to read ADC signals at 1kHz with a S130 soft device. I am completely new to programming MCUs and would you recommend using keil or...
Hello,
I'm working with a proprietary chip that has a nRF51822. I want to configure it as a BLE peripheral. I'm using ble_ app_uart example to achieve this.
I tried...
main.c
I am new to nordic devices and currently working on MPR121 touch sensor via I2C on nRF52 device. Using an existing example "twi_master_using_app_twi" as a base,...
Hi
I want to start a new app with the nrf52 to port our app running on the nrf51.
I took as a starting point ble_app_template_s132_pca10040, renamed it, and changed...
Hi!
I get the RAM adjustment warnings when running my nRF52 system:
RAM START ADDR 0x20004000 should be adjusted to 0x20001FE8
RAM SIZE should be adjusted to 0xE018
...
In my application I send a characteristic notification from inside a timer callback function. This causes a restart of my application if I am connected to the board. But my...
It has developed a eddystone-url in nrf52 device based on the current nrf5-sdk-for-eddystone project.
But I would like to know the Nordic's policy about this.
In other...
Hello Everyone,
I wrote the simple software for long push 3 sec and long long push for 5 sec and it is working fine as expected but can anyone suggest me how to create...
Hi there.
I'd like to start measuring the current consumed by a custom board with an nRF51822 on it in various states using a scope. I've read the DK user guide advice...
Hi,
We've developed a prototype for a client and just received the nRF51 chips for production. Problem is that the chips that just arrived is an older revision than the...
Hello, I Preparing the KC (korea-certification. about bluetooth)
KC requirements as follows:
Set Test Modes
Set Continuous modulation mode
Set Unmodulated Continuous...
Hi all,
I'm having a tight deadline upcoming and have run into an anoying problem.
I'm using this NRF51 breakout board: ohtcom.com/.../nrf51-m0-module
I ordered a...
HI I am trying to make 5 characteristics on Nordic and my program does not compile for NRF51822 QF AA or AB. but compiles fine for QF AC. what could be the matter. I get an...
Hi,
At command, I'm sampling ADC for a short period of time. What I noticed is that the current consumption of the chip goes up 2mA, even after the sampling is stopped...
