I use a app_timer_create() function to create a task(200ms once)
when in the task_timeout_handle() ,
I do something more than 200ms,
what will this timer going ?
Hi!
I use nrf51-pwm-library ( github.com/.../) to control brightness of LED RGB light source and it works ok till I don't want to adjust brightness slowly (dimming function...
hello,
are there any completed sample code of using pwm0, 1?
just 2 or 3 word can working like following? or need other config?
pwmcon=xx;
pwmdc0=xx;
pwmdc1=xx;
also...
I am planning to migrate to SD 7.0 and SDK 6.0 in order to use the static pass key capabilities. When using the static pass key how should security params be initialized ...
Hi Hakon.... when i compile my project i get some linker errors,
._build\gzll_host_ack_payload.axf: Error: L6218E: Undefined symbol __main (referred from arm_startup_nrf51...
I'm trying to perform communication between my device and iOS and I ran into some problems. For tests I'm using iPod touch 5 with nRF Toolbox and LightBlue apps and nRF51822...
I've been using Master Emulator API 2.1.3 in Visual Studio 2010 Express, and have spotted a fix I may need in 2.1.5 so I've switched to using the 2.1.7 API. However, I've...
What is the most energy efficient microphone input method, PCM via I2S or PDM. Does the SoC have a special HW handling of the PDM format for converting to PCM? Does the filtering...
Hello,
I am developing custom HAL driver for TWIM in NRF52 (PCA10040). The problem is that after the slave device stretches the clock signal, ninth period on SCL clock is...
Hi, i use the original ble_app_template (sdk11) with two lines of code added by me (See below) which erase the last page in flash (flash_page_erase((uint32_t *)(pg_size *...
Can you tell me what is the main different between nRF52832 and nRF51822 and can you send me following information about these products and nRF51822 Bluetooth Smart Beacon...
Hello ,
I'm working on custom board, I'm trying to disconnect from the Central (Andriod app) when the battery is below certain level and stop re-advertising.
Below is...
Hi all,
Is it posible to set notify and read for one characteristic ?
I ask because Android offer me read or notify method.
I need read value from characteristic on Android...
Hi,
I am trying to implement dfu in one of my application, I am following the instructions detailed at this link , but I am meeting the following problem :
When I tried...
I am using the timeslot API and softdevice to advertise two separate types of message. This works well. But I have also used ble_radio_notification_evt_handler_t in an attempt...
I'm trying to remove the debugging UART statements to reduce power consumption, however, not initializing the UART seems to hang the system right after advertising start,...
Hi,
I am using Nordic SDK9.0.0 and softdevice S310.
I want to develop dual bootloader(UART + BLE).
I have problem after merge both bootloader. Induavidual example...
Hi!
Regarding the __initial_sp in the map, studied some articles on the web and even map file: used as STACK for arm_startup_nrf52840.o!
Ok, let us have an example ...
Hi,
Is there any way to force Android and iOS to update softdevice, bootloader and application from single zip file in queue?
I mean, first update softdevice, then bootloader...
I am referring SDK 12.2.0 with Eddystone beacon application and I found that the workspace for IAR is missing in it and I have IAR-ARM license. So, I made my own workspace...
I am using a 1822 chip and I need to use it in a very small application so I need to program it separately from the main device. I have a learn.adafruit.com/.../overview FTDI...
