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...
I'm trying to flash to a device with the GCC toolchain using "make -f Makefile flash_softdevice" and nrfjprog fails with the message "ERROR: There is no debugger connected...
Hi.
I've searched this forum and also the code for pin muxings. One of post here said that any gpio can be configured for any output. However how is this done in code?...
I have a peripheral device based on the nRF51822, s130 and SDK 11.0.0. It's designed to only ever have one central device to which it's bonded. Out of the box, without a bond...
Hello.
I have a question.
I want to use UART without flow control.
In this case, I don't know what to set rts_pin_no and cts_pin_no of app_uart_comm_params_t.
Please...
I use nrf51822qfaa,s110,v8.0.
now i use the TWI master.the nrf_drv_twi_tx function always return 0x03(NRF_ERROR_INTERNAL),WHY?WHO can help me?
code:
nrf_drv_twi_t twi_instance...
Hi all:
I refer the "IoT_SDK_step_by_step.pdf" to setup my raspberry_pi ,then I can successfully ping the DK_board from raspberry_pi.
my question is , I can't ping the...
Hi everyone!!
I've gotten the ipv6_coap_server example to run on the nRF51-DK,and I use raspberry pi as gateway and I can got the bt0 interface after connecting to the...
I would like to add LIN-bus to a project of mine.
The hardware part is easy, connect a LIN interface ASIC to the UART of the nRF5x.
But writing my own LIN-bus SW driver...
Hello World!
I am trying to interface an LCD with nrf51-DK. I basically need to send 3 signals - SCLK, MOSI and SS to the LCD. I have modified the spi_master example from...
I am working with a sensor which has a programmable configuration register. After changing this register, I have to reboot the sensor. To do this, I need to temporarily suspend...
Hi, I try to send data through SPIM to my panel(Sharp Memory LCM), and I success get the picture (only part of the picture).
The reason why is that function can only...
I have migrated to SDK 9.0 primarily to take advantage of some of the Advertising Mode functionality in Device Manager. While I was still in SDK 8.1, I had implemented functionality...
When you download win driver (from www.nordicsemi.com/.../72324929 for instance). There's only a win32 dll/lib provided.
However, modern development are often made on 64bits...
