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...
While investigating connection parameter handling, I noticed the following:
The is_conn_params_ok(ble_gap_conn_params_t * p_conn_params) function in ble_comm_params.c only...
Hello,
I am working with S132 3.1.0 on a project based on FreeRTOS. Under some circunstances I set manually the value of some characteristics by using the function sd_ble_gatts_value_set...
Hi,
I am working with a nRF51822 board and I want to program in OTA. I know how to program over the air, but the only problem is that when I have a new unused board I need...
Hi,
I am adding BLE functionality to one of my existing product. I product will play the central role for which I am thinking to use nRF51822 based module.
I learned...
Hello i read RSSI in beacon_evt_handler() hrs_scanner project:
printf("RSSI: %d\n\n\n",p_evt->rcv_adv_packet.adv_data.rssi);
but he show me a wrong value of RSSI: 4539...
Hello, I connected, according to official layout design, a 32 Mhz crystal to my nrf52840. Using a 60 Mhz oscilliscope, I decided that the crystal isn't working (no sine wave...
Hi all,
I'm on 10.11.1 (El Capitan), followed the instructions here
github.com/.../pc-nrfutil
And it looks like installed was happy but when I try and run nrfutil...
Hello,
While porting a C++ application to SDK13.0.0, I ran into weird compiler errors, such as
error: #800: this declaration may not
have extern "C" linkage
...
Hello,
I am using a nRF52832 DK(PCA10040). I am qurious about the output impedance at RF connector "J1" on the PC board. Does it provide 50 ohm output impedance so we can...
Just two questions regarding the new nRF52840 to make sure I've understand it correctly;
For the NFC, this is passive only? So it acts like a tag and is not able...
I've been trying to for two days. Using nrf52DK, SDK12, no SD, Keil5.
All I want is to get printf() to work over ITM/SW/Debug, I'd even accept RTT if I had to. I can't...
Hey I am trying to create a blinky project from scratch on
System: MAC OSX
Eclipse Neon
GCC 4.9
I am trying have it eclipse managed make.
I am at a point when after...
Hi, I was wondering If I need to wait for a response from the server that a command was executed before executing another command or if the BLE stack takes care of this under...
Hello
i m searching for a method to send a big buffer with TWI to a slave. The Buffer is read from flash. because its a soundfile its needed to send the buffer without delay...
