before i write the flash, it has been erased.so ,its value is all 0xff.
when i write 0x00 to flash address 0x0001,the value read out is not 0x00 but 0x01,and the value in...
I'm looking for a way to use the nordic uart service ( devzone.nordicsemi.com/.../ble_sdk_app_nus_eval.html) from Linux using the native Linux BLE Stack (BlueZ). My application...
Hi,
I've created an application using the S110 experimental ANCS demo. I successfully implemented ANCS and then began to structure my application around it. At some point...
Hello,
In an ongoing company project we use a couple of nRF51 transceivers forming a beacon enabled wireless sensor network consisting of one base station and multiple...
I want to count clocks in order to implement a watch. I use the RTC0 as my time-base and count mainly with this device. As it has just 24 bits it would not last for long,...
Hi,
how long does it take time if i would wake up a nrf51422 rev2 (ANT and BLE) in deepest possible sleep mode ?
And how long does it tai if after wakeup it had to communicate...
I saw that the app_timer uses the SWI0. Could you explain what it does and what the advantage is compared to "timer_list_handler_sched()" calling "timer_list_handler()" directly...
Hi guys,
I'm having some trouble with an spi flash memory (AT45DB081D) I interfaced on my nrf51 DK.
I used the spi master code of nRF5 v.12 SDK as base. I'm using gcc...
Hi,
I try to using nrfjprog to burn softdevice + bootloader + applacation, but it shows that application burn failed.
My SDK version is nRF5_SDK_12.2.0_f012efa and...
I'm using GCC 5.3 on Windows 10 64 bit. The linker is successfully opening nfc_t4t_lib_gcc.a, but is failing with undefined references to functions declared in nfc_t4t_lib...
Hello!
I have a device with custom nrf52832 board.
This device can beep using buzzer. Frequency of the sound is generated by pwm driver from SDK. I'm changing frequencies...
Hi, i read here, that softdevice 7 has a bug and the beacon firnware drawing too much current. I measured 1mA.
So, i looked out for a precompiled set that works fine.
I...
HI:
I am created my profile(but disable some serve), but it bonging failed, and program jump to 0x0000F04C~0x0000F056 loop.
The attach file is my profile sum.
#define...
hi,I got a very strange phenomenon when our board begin a mass production.Here is some details:
1.Our board use a 4.2v lithium battery;and we have downloaded our firmware...
Hi,
I'm using nRF5_SDK_12.2.0_f012efa and s132_nrf52_3.0.0_softdevice. We want to do the OTA on it. However, I found that there is no DFU service in the HRS example.If...
Hello,
I am using the uart example with modifications to add SAADC and TWIS. It woked well for a while but now it does not connect properly to my iPhone. I reverted to the...
I am developing Timeslot program with FreeRTOS. (on nRF51822)
timeslot's signal handler is
timeslot_signal_callback()
...
xQueueSendFromISR(s_timeslot_queue, &cmd, NULL...
BT 5.0 mention that:
Up to 8x the broadcasting message capacity over Bluetooth 4.2, with
support for larger data packets: 31-octet to 255-octet packages.
Do you have...
Hello,
Brand new bluetooth 5 standard allows to create data packets up to 255 octets.
So, does maximum size of advertising data in Nordic devices comaptible to bluetooth...
Hello, when using sd_ble_gatts_hvx(), I keep getting 0x3401 error. I googled it and it appears that it's because I might not have the notification enabled.
But I very much...
OK. Weird question. I know, but that's only because I'm in the middle of a large program that I'm reading, believe me, I had done my fair share of homework and I understand...
