My sensor is off-standard,so I have to use gpio to read and write my sensor.
Gpio IIC will take about 0.5ms to get data.
My app need send data every 7.5ms,it seems that...
Hi,
My android Proximity application fails on service discovery only for the very first time it connects with the devices(nrf51822 evaluation kit with sdk 5.2.0). Actually...
Has anyone converted the app note AN34 DTM Python script to C# or C/C++ ?
The Python DTM script is works OK with the setup specified in the app note AN34 figure 2, which...
Hi,
I have a serious problem, when I use uart of NRF51822 QFAAC0 to receive data from another MCU, I found that it will lost one bit at same position everytime. my SDK is...
Hi,
I just started to interface the lcd display with nrf51822 evaluation board. The display i'm using is, spi compatible, 18" tft (160x130) from tiny lcd. I took spi master...
Hi,
We are using the nRF905 device in an application where it needs to switch between auto-retransmitting and sending single packets, due to it communicating with several...
Hello! I'm trying to program nrf51822 like a BLE device. I'm using QT Creator(QBS) + GNU Compiler + Open OCD + STlink(debugger) to create and to program. What I must to do...
There is a bug in bootloader_app_is_valid in the bootloader
if (DFU_BANK_0_REGION_START == EMPTY_FLASH_MASK)
{
return false;
}
What is probably meant:
uint32_t...
hi...
can anybody help me to familiar with api "sd_ble_gatts_service_changed" .
1.what is its use.
2. where do i call this api in my application code/bootloader code...
Hello,
I am trying to use the v2.0.0 of softdevice S120 released today. I copied the included header files in nRF51822/Include/s120/*.h and modified the Target -> IROM1...
I'm using SDK 7.1, PCA10028 eval board, SD310 2.0.1, MCP 3.6.0.8331
I'm trying to implement bonding. I first initialize pstorage, as a separate call from main. Then I call...
Hello Everyone
i have J link for ARM processor from IAR 2008 module version 6 which specify support for swd, As I checked it on IAR website it support CORTEX-M0 processor...
I use pin SDIN, SCLK, CS, DC.
but how do I connect the pin nrf51822
spi_master_example is
#define SPIM0_SCK_PIN 25u /**< SPI clock GPIO pin number. */
#define SPIM0_MOSI_PIN...
I have been reading about code regions in the nrf reference manual and understood about CLENR0 and how to use it. I have however, two questions
What is Pre Programmed...
I am using the SPI Slave port in the nRF51822 and am always transferring 20 bytes. No matter what I do, it seems that the status register in the IRQ says that I got a TX buffer...
I am working on BLE. I have created a service using read property(services_set_barometer_service_barometer_data(void *src, int size))
After connection is set-up i am calling...
Hi,
I need to be able to communicate between two boards via UART. I had a look at the example from Ole provided here: devzone.nordicsemi.com/.../ as well as other references...
Hello,
I am wondering if I can use any 128 bit UUID value.
For example, in the example uart project, Nordic UART Service = 6E400001-B5A3-F393-E0A9-E50E24DCCA9E is used...
If I want to stream samples up to the nRF Toolbox HRM iOS app plot, what is the fastest that I can call ble_hrs_heart_rate_measurement_send in firmware assuming I have nothing...
