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'm trying to decide whether to use FreeRTOS or simply build on the Scheduler. What are the risks and benefits of using freeRTOS or another RTOS on a wearable sensor device...
Is it possible to connected two separated antennas (single ended), one for RX and another for TX communications to the receiver and transmitter of the NRF51 or NRF52?
Thanks...
In other words, is it safe to assume that in various BLE events, conn_handle is either invalid (0xFFFF) or between 0 and (CENTRAL_LINK_COUNT + PERIPHERAL_LINK_COUNT - 1) ...
I'm digging my way through the examples, SDK code, etc, and I'm curious if it's possible to light an LED if the nRF52832 is reaching an error status. This is mainly so I can...
Hello,
I am seeing a strange problem with the nRF52 RADIO peripheral: sometimes a packet will be received that is corrupted, but the CRCSTATUS register indicates the CRC...
My company is developing an embedded product based on NRF52 and until now we are
using Master Control Panel (MCP) to test BLE communication. MCP is a great tool
but we need...
Hi,
when trying to connect to a 51822 target, using for example OOCD
I keep getting
....
Open On-Chip Debugger 0.10.0-rc1-dev-00001-gc404ff5-dirty (2016-12-29-19:45...
I use PPK wit ha stardard setup with all switches set to DK. Everything works fine, excepted that I have a little offset and the IDLE state is negative... which make the AVG...
I have designed a few PCBs using the NRF52 chip with a standard QFN48 pattern. On the first design, we had 8 PCB's made of which, only 2 worked correctly. The others all exhibited...
Hello,
I received BLE_ERROR_GATTS_SYS_ATTR_MISSING event during connection procedure. Tried to look inside and found
/**@brief Event structure for @ref BLE_GATTS_EVT_SYS_ATTR_MISSING...
In code:
case PM_EVT_BONDED_PEER_CONNECTED:
NRF_LOG_DEBUG("Connected to previously bonded device\r\n");
err_code = pm_peer_rank_highest(p_evt->peer_id);
i get...
Hello there,
We're getting an assert in the above code in Soft Device s110 sdk 8.0.3. Can you give us some info as to what that is and how we can address it? To give you...
(EN)
I'm afraid I might no be competent enough, so I look forward to your kind help.
I'm quite new to using nRF52832 WLCSP package(raytac MDBT42 blank module) on a custom...
Hello again,
fortunately I made some progress using the IoT-SDK v0.8.0 on nRF51. I extended the MQTT-example to my needs, but there are still some questions.
The final...
