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,
My behavior is as follows
Turn on my device(use 51422) and advertising(2 Service and 3 Characteristic)
Turn on my cell phone(Samsung Note3),scan my device...
Hello:
I used analog IIC write MPU6050. Again after power download programs, mpu6050 can run up there ACK response. But the debug will not run. Simulation IIC because no...
Hi, I'm developing custom board with nrf52832
The problem is that when saadc returns negative value, all values that saadc returns after are max possible values from config...
PLease, could anyone provide me a code exaple on which i can learn how to use sd_flash_write & sd_flash_erease ? I tried to use them but keil give me this : .\_build\nrf51822_xxac...
Hello Dev Zone.
thanks for watching mt ask.
I need help.
I have 2 question.
1. I need use saadc continuous sampling
in SDK example, is it continuous Mode?
...
For RAM locations, I've looked at the getting started guide that discusses using debugging to find the RAM address. https://devzone.nordicsemi.com/nordic/short-range-guides...
I know one of nRF52840 SPI instances supports direct DCX signal drive but I can't seem to find any mention to this feature in nRF52832 so I am assuming none of its instances...
Hi Sir,
As check the ref. schematic of CKAA, the pin count shows 94.
But in the below table shows the pin count is 93
Is there a typo in the datasheet (V1.1)?
...
We are using nrf52832 and S132 Softdevice. The app starts from 0x26000 and we want to change to some other location may be from 0x27000. We could see that SD is using the...
Hello !
is possible turn off my system using sd_power_system_off when the Watch dog is enabled?
After I called sd_power_system_off my device is restarting and initialize...
I can not find where to change the default pins to connect the nrf52840 to the rpi over SPI. The default pins are SPI pin Raspberry Pi pin nRF52833, nRF52840 or nRF52811 pin...
I have begun using V1.2.0
It seems that I'm no longer to enter AT commands.
I've also tried the AT Command sample and get the same issue.
No problem connecting through...
Hello,
I am adapting the 802.15.4 wireless UART example from the nRF5 SDK 15.3 to also make scans and associate with a PAN coordinator. However i am having trouble with...
I have a time-sensitive block of code run purely by the CPU, not within any interrupt handler or peripheral. Part of the execution is getting interrupted, and so what I would...
I am testing DA7212 with my nrf52840 and i have made connections but i am not sure if thats right. Also i am trying to use i2s loopback example from sdk.
i need some gu...
Hi,
I broke power on/off switch in my nRF52 board. I'm an absolute beginner in hardware (I'm iOS developer...) but I managed to start it. It works, but unfortunately, it...
Hi,
I'm using SDK 13.0.0 and Softdevice s140 5.0.0-2alpha on my nrf52840-PDK. I tested the usbd_hid_generic and usbd_audio examples and they work fine, I can see the device...
