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,
I have been attempting to get the watchdog timer working in my project without any success. I have read through all of the watch dog related threads that I could...
The S120 is a pure Central softdevice, and hence it can connect only to other Peripheral devices. Does it means that s120 cannot be used as a peripherial device?
Hello all,
I have been using nrf905 for about 5 years without problems.
now I would like to ask if is there any way to use an external PA? I am not a RF engineer and i...
Hello,
I've an issue only on IOS. My custom service is recognized as immediate alert and crash when we want to use it. It works fine on android and with Master Control...
Hi - I'm trying to use the pure-gcc make files and I've got my project building and the code is running, but when I try to launch startdebug gdb it reports no debugging symbols...
Hi
I cannot find the answers from your documents. Please help me answer them. Thanks.
DC supply voltage of core cell of nRF51822 chip?
DC supply voltage of IO pad...
I am using a modified sample of your rangedemo example and can get it to work. To test if I am switching to 915MHz I change the HFREQ to 1 but the receiver that is set to...
Hello
Im starting a new project and i wanted to save time by asking if there is a list of providers or company that produces sensors that will have an easy compatibility...
Hi,
I need to store an image of size 40kB to internal flash memory. Actually i tried to store it from the address like 0x28400 and 0x2E984 (memory addresses after softdevice...
Hi, I am developing an BLE application using nRF51822.
This question is from my previous question:
devzone.nordicsemi.com/.../question-about-adc-power-consumption
...
i have purchased one of the modules. i need to interface with other modules of the same kind but how will i start programming it ,can u people suggest me the IDE ? do i need...
Hi,
I try to modify 51822 device_firmware_updates code for 51422.
But I have a problem.
When I run my code, my cell phone can connect to 51422. I can click DFU button...
According to Page5 of nWP-018, if we compare QFAA G0 to C0, G0 doesn't have a valid version reference design with the right balun. But G0 and C0 have the same valid reference...
