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...
Hi all,
i want to know answer related to following question
1)what is use of uicr?
2)if i place some value in uicr and then change the image,then is there will be change...
It used to work, but now it says "Connected" but the rest of the GUI never changes and the mouse just shows a busy spinner. Here's the log file:
0;13:45:18.9900 [MainThread...
Greetings,
I have an application where the DFU of a NRF52 is performed by another microcontroller via a serial port. Once the DFU is complete, the microcontroller turns...
Hi everyone!
I'm wondering about why SoftDevice stays idle (in terms of radio operation) so "long"
("t ScanReserved" = 760 us) after channel changes during scanning? Despite...
Hi,
I'm trying to do a rough calculation of current consumption for the nRF52840 chip.
The unit should sample 6 times an hour by using I2C to acquire samples from a...
Hello,
I want to program the bare nRF52832 MCU over SWDIO, SWCLK, GND and +3,3V Connections with a Segger J-Link programmer. Unfortunately the programmer could not connect...
Hi,
We are designed our own Beacon PCB based on nRF51822 Beacon Kit...We followed board size,PCB Antenna Trace width and GND Clearance as per Beacon kit...The difference...
As I understand it only the largest physical chip, 7x7mm nrf52840 , supports Bluetooth 5.0 long range. Is this correct?
It seems as if Nordic Semiconductor is abandoning...
Hi,
i have assigned RAM address as:
#define RAM_MEMORY_TEST_ADDRESS (0x20002BD8)
uint8_t * p_ram_test = (uint8_t *)RAM_MEMORY_TEST_ADDRESS;
to this p_ram_test i...
Hi,
In the Thread API under the Command Line Interface section, there are the following functions:
void otCliConsoleInit(otInstance *aInstance, otCliConsoleOutputCallback...
Makefile (/attachment/ca6852bdad7b5e54aaa4ce4388c4c410)Please find my code attached!!!
I have changed the makefile and the SDK config file accordingly! but the error remains...
Why can not read twi data ? at nrf52832 chip....
but Read well in Arduino....
twi interfacing with RTC DS1307....
please give me some hint.....
nrf_drv_config...
i would like to print register values of an external sensor on my screen using UART! I'm reading and writing into those registers using SPI! Printing a normal message using...
Im working on 14.0 and s132 and work inside ble_uart code...i was add rtc inside that code sucsessfully but now.. when device goes to sleep so rtc interrupt handler function...
I have just changed line 74 of nrf_drv_uart.h file as
#define UART1_ENABLED 1
instead of
#define UART1_ENABLED 0
and the example gives an error. Please find...
So i am utilizing SPI and i got it to work, however for some absurd reason after removing the segger_print statement below from before the while loop the spi would stop functioning...
Hi,
I'm working on nrf51822 and mpu9250 imu sensor.i'm facing a problem,my buttons function i.e buttons leds int and mpu9250 are not working together either one is working...