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...
Hello!
How can I communicate with my nRF24L01+ and nRF51822 at the same time. I can set up same channel, CRC-mode and I don't use ESB. But what about address? How do I set...
With version v2.0 of S332, I checked for a return of BLE_ERROR_NO_TX_PACKET when using the ble_nus_string_send function. I use this test in a routine which writes buffers...
I called these command:
nrfjprog -f NRF52 --eraseuicr
nrfjprog -f NRF52 --program app.hex --sectorerase
During the eraseuicr I see:
Erasing UICR flash area.
Applying...
Hi there,
for my Application, I want to listen for all BLE packets on a fixed channel.
No SoftDevice is used.
I receive all packets as long as BASE0/1 and PREFIX0/1 and...
now, i have a question: i have a buffer 100byte data to send, when i send data package via sd_ble_hvx() continus,delay 20ms after each send ,but it will lost some data , i...
HEllo,
I am facing and issue with undefined references for the linker. The compiler is able to compile, but I get linker errors like these
.../pca10040/s132/arm4...
Hello everyone, I recently use the nRF51822 with SD9 and S110, I found that the device name was define as: #define BLE_GAP_DEVNAME_MAX_LEN 31
is it means the max length of...
Hello!
We have built an app that transfers files from an app on Android to the device running an nRF52 with S132. On the device is an external flash using SPIFFS as a file...
Hi to everybody,
I am working with nrf52 and SDK11. In my project I am using freertos and an UARTE with this configuration:
9600bps
TX/RX (no CTS; no RTS)
HW...
Hi All,
We are interfacing Nordic nRF52832 with our Display using SPI interface. As per display, Data / Command bit needs to be set at the beginning of transfer. Using...
I am trying to understand the use of multiple channels in the timer. Looks like the use of the multiple channels is for PWM/ sequencing type applications. It is not intended...
I am using nrf51822 and having some questions,as follow:
1、the pin reset is common with the pin SWDIO(the debug IO pin).when I download into nrf51822 using JLINK（setting...
