I'm analyzing app_timer scheduling code..
I have an question about list_insertation_handler function in SWI0_ISR
I think if ( (p_timer->ticks_at_start - m_ticks_latest...
I would like to test the newly added v4.2/v5.0 Bluetooth features (e.g. LE Secure Connections, Data Packet Length Extension, 2xSpeed, etc) against non-nordic devices. I have...
I am working on a project using a ble nano (nrf51822) using the Nordic SDK 8.1. In the examples I found a way to control an LED using the methods LEDS_ON and LEDS_OFF. I wanted...
Hello,
I am using ble_app_gls example and I have implemented static passkey in the code. Now I want to see if wireshark shows the passkey when I connect to ble devices. For...
Hi Team,
We are implementing an UART communication between a M4 processor (UART master) and a nRF51 (UART slave) and we want to use the UART in Low Power mode with flow...
Hello everybody,
for my project, i will bond the peripherial with the central.
I test my device with the MCP and can connect without problems. When i press the Bond Button...
Hi all,
I am trying to count the positive edges of a 3.5MHz signal with GPIOTE, PPI and the TIMER1. Unfortunately i can only measure to frequencies up to a little more...
I try to add a custom characteristic value's UUID. I couldn't find any example or document that provide this information. All I can find is a function sd_ble_gatts_descriptor_add...
As I run through the examples for the nRF51 S110 SDK , I'm not seeing anything for communicating with a sensor over I2C.
On a secondary note, since I have the option to...
I am using a nRF51422 (SDK 6.1.0 with S310) and i have a question about th UART.
I can send and receive data from/to an other MCU but i have to set different parameters...
Hi,
I recently started learning to program nRF51 development kit. I followed most of the examples listed in the forums but I am unable to find a dedicated link which would...
Hello,
I have made some modifications to the OTA DFU bootloader provided by nordic and would like to some advice. I went down this design path before nordic released the...
I was disappointed to see from this question that when calling sd_ble_gatts_characteristic_add(), the value of the characteristic is copied to the SD's memory region:
devzone...
Can anyone explain what that error code is meant to mean?
With the example sdk7.1 dfu bootloader, hrs_with_dfu app built unmodified and sd110 7.1, I get this error on attempting...
Hello,
I have a BLE application running on a nRF51822 chip with the S120 softdefice. If I use the standard Android "search for device" mechanism for Bluetooth devices,...
There seems to be 3 different libraries that can be used to access TWI: nrf_drv_twi, twi_hw_master, twi_sw_master. (please correct if i am wrong).
i am using SDK8.1. Which...
Hello all,
I am switching from a BLE project to an ANT one, and cannot find an ANT equivalent for BLE_STACK_HANDLER_SCHED_EVT_SIZE, why is this? Presumably ANT still uses...
hts, HTC phone, nrf tools HTM, nrf51822,
every time when it's power up :
the once connect: error code 0x7A cann't read characteristic and 0x14 state change.
the second...
Hi!
We are using the 51822 with S110. I'm currently writing a very simple bootloader which fetches the new application from an external SPI flash.
My plan is to place...
