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...
Hi,
I just noticed that my PTX and PRX projects use different assemblers and linkers -- not sure why. I got the sample projects from Nordic. What's the difference between...
I built my project on ble_app_uart peripheral example from SDK 12.2 and have added a display (Sharp LS044Q7DH01) using nRF52 as a SPI master to communicate. I think I have...
I have used NRF52840 and SDK 13.0.0. Module SPIM.
Library does not support buffer size more then 8 bit.
But I try write to register TXD.MAXCNT and I can't write value more...
Hi
I'm interfacing MMA8452Q with nrf51822 using TWI all read-write function working fine but when I try to read acceleration data nrf_drv_twi_rx & nrf_drv_twi_tx function...
I am porting our sdk 8 based firmware for the sdk 11. Now the code crashes at the code below:
err_code = sd_ble_gap_device_name_set(&sec_mode,
(const uint8_t *)name,...
We followed the instructions for the beacon example for nrf 52 dk.
Multiple attempts to change and reset the board, there was no change in the ad packet.
Can someone...
I'm using the nRF52832 chip without an external crystal. I configured it to use the internal RC with:
nrf_clock_lf_cfg_t clock_lf_cfg;
clock_lf_cfg.source = NRF_CLOCK_LF_SRC_RC;...
Hi,
I have tested ble_app_hids_keyboard for using whitelist.I find that this example is bond+whitelist. If bonded, the peer address will be added into whitelist. But when...
Hi,
I test Whitelist function in the example ble_app_hids_keyboard_pca10040_s132 using SDK12.2.0.
I donnot understand the code in "case BLE_ADV_EVT_WHITELIST_REQUEST:" located...
Hi all,
I have some problems with GPIO Interrupts.
I'm using nrf52832, s132 and sdk 12.2
The error is totally random so I don't know why is generated. The case is...
Hi,
We are using the Secure DFU from SDK 12.2, with SD132 3.1.0, on a PCA10040.
As a DFU controller, we use a PCA10031 with a SD130 2.0.1 and a project derived from the...
Hello,
We are migrating from IAR 760 to IAR 8.10 compiler does not produce the same assembly for the SDK12 inline function nrf_delay_us.
The original C Function is :
...
