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The S130 SDS 0.5 documents a CODE_R1_BASE of 0x00020000, but I can't get it to work with code at this location. Any SoftDevice API call ends up in the application's SVC_Handler rather than the SoftDevice's.
By ... (more)
Hi, i use the library app_gpiote to setup interrupts on a toggling external pin(this pin generates a signal which changes from high to low).The external interrupt signal is generated every 4ms. during each interrupt i will get a ... (more)
As you see,GAP Disconnection，I don't Know how it works.The ble device call disconnection,but ble android phone respones it more then 5s, I want to android phone respones it in 2s, what's the code?
Hi, I'm a student at Oregon State University using the nRF51 Development Kit for a project. I can't seem to find any functions for sending and recieving Bluetooth signals in the SDK example code. The closest I found ... (more)
My program can build pass, but it can lock nrf51822 . Do you know what error can cause it ?
I am looking forward to receiving you reply !
Hello Nordic guys, help requested !!!
Error while connecting to USB port the new development boards, DK and DONGLE.
Error is "OS X unable to repair JLINK disk". Action required : reformat disk.
Unable to write on this disk or copy a ... (more)
nRFgoStudio.exe - Ordinal Not Found The ordinal 4540 could not be located in ... (more)
Firstly, the nRF5122 Product Specification v1.3 Section 4.2 says that TIMER0 is 32 bits wide. However, other product specs seem to mention 16/24 bit timers, and it seems to be 24 bits.
Secondly, changing the BITMODE ... (more)
I have nrf51422 dk. The boards I connect to 3.3V power and via jlink to my pc. I use the JLink command line tool. I can not access the chips. Erasing is not possible and reading register gives nonsense ... (more)
Hi, I just downloaded the Utility app for the ble apps(nRF518 SDK) checking on my i5 at iOS 7.1.2. I have tried to connect the apps(hr, proximity) of Utility, but there is no answer or response ... (more)
I am using Eclipse and GCC (codesourcery) as development tools.
In the gcc makefile, once provided by Nordic with the "button_radio_example" are two lines, specifying the target chip:
TARGET_CHIP := NRF51822_QFAA_CA and DEVICE_VARIANT := xxaa
I recently changed my target ... (more)
Would the example https://github.com/NordicSemiconducto... compile without any extra configuration ? I am trying to build it in a Keil uVision v.184.108.40.206, but I have some problems, such as:
.\_build\ble_app_lbs.axf: Error: L6218E: Undefined ...
I just bought an nrf51822 evaluation kit and a segger J-link BASE Jtag. I understand that I have to play with the SW4 swith and the U4.
I identified the switch SW4 but not the U4. In other word ... (more)
I have been trying to implement a SPI Master on the nRF51822 Eval board in order to read data from an Analog Devices ADXL345 3-axis Accelerometer. I chose to start with the project spi_master_example, which is targeted at the nRF6310 ... (more)
We are developing an application in which we have an NRF51822-CFAC with sd110 v7.0.0 together with very small energy allowances. Our problem is that we cannot get the NRF51822 to boot up and enable the softdevice without ... (more)
I have an idea to implement BLE based access control application. I considered nRF51822 based Peripheral device & iOS application for central device
Both the Central peripheral shall be paired when they come to very near to provide access control ... (more)
We are in the process of creating our 2nd pass boards with following components to achieve good RF range>20 meters. We are considering discrete BALUN components and SMD Chip Antenna 2450AT18B100. Has anyone used the above components and achieved ... (more)
hi, i'm gonna make 51822 enter low power consumption mode.Meanwhile it could be wake up by "GPIOTE_IRQHandler()"
1:Now,i know that "sd_power_system_off()" can make 51822 enter low power consumption mode.however,there is a question that "reset ... (more)
I see 5V pins on the schematic for the new nRF51 development kit. If I power the board via USB, I understand that 5V is regulated down to 3.3V for the chip. Is the source 5V available on P1 ... (more)
I will be happy if someone points out this is a newbie problem and not something weirder...
Running on Win7, 64 bit BTW...
I recently received the nRF51 eval kit. I have owned and used Keil for a long time ... (more)
Hi, I am now developing the BLE with our company's own sensor, so we are not using the motherboard. There always a problem when we use it. I am using the PCA10004 board and the USB Dongle as the ... (more)
I am trying to connect my msp430f1611 microcontroller with the nrf8001 bluetooth chip. I read this thread (https://devzone.nordicsemi.com/questi...) and it seems very helpful. Especially the code that has been developed. Now, I am using a ... (more)
What exactly does the PSTORAGE_LOAD_OP_CODE (0x03) mean? The documentation says (online) that it is an "Error when Load Operation was requested".
The code is pretty straightforward: storage.cpp
Is there something specific to the S130 device that it doesn't ... (more)
I am looking for some guidance and an example on how to use the sd_mutex related functions. So far, I keep getting into the HardFault_Handler whenever I call sd_mutex_acquire.
I'm pretty sure this has something to do with the ... (more)
Hello Nordic people!
I'm developing my first firmware on nRF51822 and I need help with BLE, profiles and SoftDevice S110 stack.
Application it's a speed sensor for bicycles. I wish minimum energy consumption. Today, FW is capable to ... (more)
I have troubles using spi_master_example. I want to control by spi a slave device from the nRF, I am sending sequences as expected and my slave device answers me correctly, I can see this sequence on the MISO pin ... (more)
Hello dear Nordic community,
currently I am working on the NRF51822 Direct test mode (DTM). I tested the ble_app_dtm example and it works fine for me. This means I can send commands according to Bluetooth specification Ver 4.0, Vol ... (more)
I changed the dfu start address to 0x00 and application start address to 0x8000. The application use the RTC0 IRQ to count the timer, but the RTC0 IRQ did not work correct(if the start application address is 0x00,the ... (more)
Says it all in the title. I'm making a sensor which puts its data in a non-directed non-connectable advertisment packet. I want to read the sensor just before it is sent. The timing is not super-critical - within 0.1s ... (more)
I bought nRF51822 Evaluation Kit and would like to blue wire an external MCU( Kinetis Cortex-M) to talk to the SoC. It looks like the SoC on this board has many GPIOs access but I'm not sure which ... (more)