To be able to upgrade FW through UART, a bootloader for nrf51822 is required in my project. I have tried out the example bootloader in SDK. But this example is using softdevice...
I followed the forum posts and nan-29 to get eclipse 4.3.2 to successfully connect to JLinkGDBServer via a Segger J-Link EDU on Ubuntu Linux.
I can start the GDB server...
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...
I use nrf51822 by example ble_peripheral/ble_app_uart with with SoftDevice 8.1.0, at the same time, I use pwm driver library, But it does not work well, What I need to do...
Hello,
I have a problem with db_discovery_event_handler execution when having multiple S110 peripherials present when turning S120 central on. I have two different types...
I am seeing three things I don't understand in a modified ble_app_rscs codebase. I'm hopeful that someone else can recognize my symptoms and tell me what I'm doing wrong....
I've got a project that works perfectly on the PCA10028 DK. But the behavior is quite different when downloaded to my nRF51822 production target. My target is connected to...
Hi
I use nRF51822 of Gazell mode and RXF2401C(PA)
PA's TXEN has been pulled, what RXEX in there enbale and disable it?
(Host and Device must be)
Thank you!
Hi everyone,
My question is how much current it´s capable to sink an I/O pin configured as output ´0´ ?
In my case I have to discharge a capacitor throught an output...
I am using sd_power_system_off() to enter System Off. It is my understanding that all peripherals are off in System Off, but that GPIO configuration is retained. I have a...
I have the following code
// Initialize timer module, making it use the scheduler
APP_TIMER_APPSH_INIT(APP_TIMER_PRESCALER, APP_TIMER_MAX_TIMERS, APP_TIMER_OP_QUEUE_SIZE...
In the ANT Message Protocol doc, section 7.1.1.1, and in example code, the Device Number is treated as a uint16_t and shown as a two byte field in the flagged extended data...
Hi,
Will something interesting happen when the text segment on a nRF51 DK exceeds 64k? I am using Eclipse/gcc for developing, based on the tutorial provided by Nordic....
Hi,
I am developing a program on a Nordic nRF51 DK, using Eclipse/gcc, and am using J-Link RTT for a debug command line interface. This has worked very well for some time...
Hello,
I've been looking a bit into the nRF52 product specification and I was just wondering how powerful EasyDMA is under extreme conditions.
Let's assume the following...
I am currently working on a device using a nRF905. We want to use the device in Region 2 (USA).
This means that we need to use frequency hopping between 902 and 928 Mhz....
Hi,
I'm implementing a simple bootloader which will not use BLE.
Application will transfer the data from mobile devices using BLE and this data will be stored to...
