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 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...
Hi,
I would like to read and update value of the characteristic received from AD pin AIN0. I already tested the following code, where I got very weird results (value is...
I am using Keil MDK v5.2 to compile ble_app_uart example using the project in examples\ble_peripheral\ble_app_uart\pca10028\s130\arm5_no_packs
I am using the latest nRF5_SDK_11...
I would like to use the capsense example with a Bluetooth application. But as it's not compatible with softdevice, I want to modify it. Two questions:
1 – As anyone already...
HI,
I have very basic question: I plan to connect two devices on i2c to the nrf52. Can they both be connected to the same pins, and configured by software to select one...
I have been analyzing the Bluetooth snoop file on several Android devices, where the Android device is the Central (Client) and the peer device (nRF51822 with S130) is the...
Hi,
I am new to MCUs and I am trying to send information from NRF51 via UART (not BLE UART) to Putty. No matter what I try I can't seem to print anything on Putty. I started...
Hello!
I was copy template project from preinstalled folder to the desire one. When I opened program in new folder, the translate operation work fine. But when I pressed...
I would like to configure the connection timeout with the S130v1. This timeout is described in the following sequence diagram: infocenter.nordicsemi.com/.../group___b_l_e___g_a_p___c_e_n_t_r_a_l___c_o_n_n___m_s_c...
Hi there,
In the process of moving from SDK 10 to SDK 11, I've also been migrating an accelerometer driver over from using straight nrf_drv_twi code to the higher level...
Hello,
Is it possible to use easyDMA to transfer from GPIO to memory without involving the CPU? We need to read from a parallel bus for a short duration, without losing...
When setting up a 1Mhz square wave using NRF_PWM on the NRF52 or GPIOTE on the NRF51 while BLE is advertising, the PWM stops when the radio is active. The problem doesn't...
Hi,
I'm developing a BLE application for the nRF52 and I wish to use directed advertising and the whitelist.
I initialise the Bluetooth advertising using the following...
I have been using softdevice S130 version 2.0.0-7.alpha with SDK 11 in Keil using the pack installer. How do I change my project to work with the updated version that doesn...
Hi,
I believe there's a minor bug in low_power_pwm.c regarding pwm_state.
The routine low_power_pwm_start sets the pwm_state to NRF_DRV_STATE_POWERED_ON ; but it then...
