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...
Hello, after getting my nRF52-DK I first tried to program it using Arduino IDE according to this guide. Everything worked perfectly as I was able to flash new firmware into...
Hi, Does BLE IPSP profile limits the maximum channels a one? I tried to change BLE_IPSP_MAX_CHANNELS to two, but it results code crashing at nrf_sdh_ble_enable() API. Is soft...
I'm finding some issues in sending data from nRF52832 using UART.
I need to send a string of length more than 100 characters.but when i
try to send,only 94 characters...
hi, I am switch from sdk 12.2.0 to sdk 14.2.0, I could not find softdevice_ble_evt_handler_set() and softdevice_sys_evt_handler_set(). what should I do with these two? and...
Hi,
I'm trying to develop something for nrf52832 and was trying to use the s130 softdevice. Using Kiel uVision 5 i added all the necessary packs, but when I add s130 to...
Hi,
I have two devices and one host. When they are in close area both of them are pairing to one host. When I switch off host, both devices looks like paired to each other...
Having gotten through the hurdles of getting my IAR project to compile and run on Segger Embedded Studio, I am now seeing different behavior between the two IDEs while debugging...
Hello,
In my application (based on app_nus_uart example, with two NRF52832 boards), one of the cases is uploading/downloading files with sizes up to 10MBytes.
In my app...
Can someone explain the reasons/benefits of using the single vs dual bank BLE boot loader?
Actually, why isn't there a single bank BLE bootloader in the example project...
I have following code which should start the app_timer and blink the LED_1.
When flashed, the LED_0 turns on and I can see the "Started." log. But the LED_1 is not blinking...
Hello,
I use nrfutil to generate the dfu .zip file, the error log is listed below. what is the reason? the softdevice is s140. thanks.
>>nrfutil pkg generate --hw-version...
ble_app_uart_c_pca10056_s140 fails with an assertion - I have downloaded nRF5_SDK_14.2.0_17b948a. For the example project examples\ble_central\ble_app_uart_c\pca10056\s140...
Hi,
I am trying to write a 120 byte data through ble to raspberrypi from my android app(I increased the MTU to the required limit). But all I am able to transfer is first...
