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...
Hi All,
I have a problem with .hex file. I use example ble_app_uart from nRF5_SDK.
In examples\ble_peripheral\ble_app_uart\pca10056\s140\armgcc I executed: make all and...
I try to turn off the system with sd_power_system_off()
// Go to system-off mode (this function will not return; wakeup will cause a reset).
err_code = sd_power_system_off...
Based on 'ble_app_template' in nRF5_SDK_12.2.0 (S132), I develop a program with nRF52832.
The problem is that the program will restart after reaching APP_ADV_TIMEOUT_IN_SECONDS...
Hi,
I have a few questions about using floating point in nRF5 chips. As discussed here , nRF51 has no FPU but we can simply use "float" in Keil and have the operations...
My device as a slave, if the surrounding environment is not good, the unknown master device connected to my slave device caused the real master device to be unable to scan...
Dear Nordic family,
I tried programming MDBT40 (purchased from Raytac ) with the same code which worked with nRF51822 Bluetooth Low Energy BLE 4 and 2.4GHz Wireless Communication...
I'm trying to implement a simple RTC timer into my project, and it seems like the app_timer module is the best way to do that, especially when using the Softdevice. I added...
Hello,
we are facing the following issue when using Android and trying to rebond with a previously bonded S110 peripheral:
Bonding the Android device with the S110 based...
We are looking to store a unique name and number in each device as it is provisioned from the factory, and are considering using the UICR. We are using something close to...
when i use the ble_adverting_start(BLE_ADV_MODE_FAST) it return error code : 8 it is from then APP_ERROR_CHECK(err_code) it can system abnormal. the error is from sd_ble_gap_adv_start...
I use PCA 10040 as a Central, and PCA 10028 as a peripheral. I want the central to connect and pair and bond with the peripheral.
I use S130 for PCA10028, s132 for PCA10040...
I have an application which uses the S132 softdevice and communicates with a DAC over I2C. The twi is in non-blocking mode. Furthermore, there is a significant delay between...
Hi All,
I'm busy exploring the ble_peripheral_uart example and ran into a couple of issues I don't fully understand. Upon flashing the S140 SoftDevice and application program...
