I'm trying to use the nrf8001 (and arduino) to send MIDI (musical note data) to Mac OSX. According to the Apple developer site the midi profile requires that the characteristic...
I have a custom made board that has an EFM32WG360F256 communicating to an nRF8001, verified that the ACI protocol works with repeated echos, however when I run the efm_ble_my_project_template...
Hi,
I have 3 nRF51 DK pca10028 v1.1.0
I compiled and run power profiling example and after that I cannot flash or connect to the devices (tested in all three of them)...
Hi Guys,
Thanks for your precious time and insight. Let me try to explain what we did,
We have developed a custom board
After assembling the board, we do a bare board...
Hello all, this tutorial goes to a fellow named Emil who helped me with this project.
Number 1_ Make sure you set up the terminal viewer For debugging with real.You need...
Seeing recent response to my original question on multiple chip selects, I've opted to share a modification to spi_master that I've implemented in part to make handling some...
What is the official status of the Softdevice Serialization for S130 in SDK 9? I could see an older answer on how that was removed in SDK 8 but since almost half year has...
Looking at the radio notification code in components\ble_radio_notification, it looks like there isn't an option to use the NRF_RADIO_NOTIFICATION_TYPE_INT_ON_INACTIVE event...
Hello,
I am reading mpu9250 and providing timestamping with events. I want to create timer so that when the timer will be called reading of mpu9250 will begin and when...
Hi there
I have encountered another issue with a repeater that I am working on.
The program follows this basic sequence:
Setup as NRF_GZLL_MODE_HOST
Wait for...
Hi, I am trying to use NRF_CLOCK_LF_SRC_RC as clock source with the following settings:
pca10040.h
#define NRF_CLOCK_LFCLKSRC {.source = NRF_CLOCK_LF_SRC_RC,
.rc_ctiv...
Hi,
Am having application with Freertos in which am creating 4 tasks + ble task using Freertos API's. Application is running as expected without any issues.
But in 4...
Am flashing SD 3.0.0 and secure Boot loader and then updating application (with Freertos) via bootloader .Application boots up no issues.
am facing below issues.
1.Am...
Hello,
I've checked the timing diagrams for the CE and IRQ on the datasheet but I would like to know if anyone has actually tested them with an oscilloscope? If yes could...
I am using SDK 11.0.0 on a nrf52832, with FreeRTOS and SD132 2.0.0. I configure the FreeRTOS port so that it uses RTC1 as SysTick. Depending on some compilation macros, my...
Assuming that all peripherals that require the high frequency clock are disabled / turned off / stopped, how long does the HFINT oscillator run after calling __WFI()?
And...
What's the delay from setting the Start / Stop task in an RTC module to when the RTC actually starts or stops? Is it less than 1 clock cycle on the CPU (15ns)? More than one...
Hi, I am using the nrf52 dk to sample two analog inputs through PPI.
My question is if I can use different bit resolutions for each analog input?
-Erblin
Hello !
I have a problem with my program (on a nRF52 board) : when I send a value to the board via BLE, it seems that my static variables are reset.
I noticed that, because...
I need to store data in some moments and if something happen i have to read those data, i have to do a log events.
I use nrf51-dk and soft device s130. This data is taken...
