I need to create timeout below 1ms. I would pretty much like to use timer for that because I do not want to hold the cpu inside cycle. For me it is not important the exactness...
Hi,
While testing the device firmware update through the nRFtoolbox android application, i get "device has no required service" error more frequently.
I use latest version...
I'm having some trouble successfully entering ON,IDLE mode. I have pared-down my application to do the following:
Initializes the app_timer using the scheduler:
...
I want to control GPIO toggle by PPI. Timer1 is in timer mode. CC[0] is 1000, and CC[1] is 8000.
I use compare[0] to toggle gpio18 by PPI. I also want to use compare[1] to...
Hi,
I use two evk board to connected and test the uart serialization sample(ble_s110_serialization), one is ble_app_hrs and one is ble_app_connectivity. But I have one...
I am getting get BLE_EVT_USER_MEM_REQUEST and BLE_GAP_EVT_CONN_PARAM_UPDATE event, when writing to ble device, sample code did not handle these event, and seems no document...
First of all I'm a BLE novice, so sorry if I'm asking obvious questions. I've built a home project where a battery powered mcu listens for requests over wifi and drives a...
Hello.
I'm trying to do as follows: ONE button used either to wakeup or to put system to sleep. In general almost everything is working but I cannot find how to configure...
HI,ALL
as i known, the BLE key is a six digit pin.
and in the static void device_manager_init(bool erase_bonds) ,the statement shows below:
register_param.sec_param...
According to this post , and this GitHub source file , in the nRF51 chip's mbed implementation:
The ADC reference voltage is 1/3 power supply
read_u16() seems to...
HI,ALL
in the nRF5_SDK_11.0.0-2.alpha_bc3f6a0 , GATT Server Event IDs.
i do not find the read event.
All i found is the BLE_GATTS_EVT_RW_AUTHORIZE_REQUEST .
Now...
Hi, all
Recently I use nrf51822 CEAA, WLCSP package to develop a project on UV (ultraviolet), the UV sensor must be exposed to the sunlight. When we take the product board...
I'm running the DFU example from the nRF5110.0.0 SDK. dfu_dual_bank_ble_s110_pca10028 on the DK and it works perfectly using Master Control Panel, but it does not work from...
I currently have a dualbank bootloader setup and I'm trying to change it to singlebank. If I burn the singlebank bootloader with the jlink it works fine, but if I use the...
Hello,
I modified ble_nus_c to manage multiple connections.
The first time (first client) i call sd_ble_uuid_vs_add in init, it returns OK. The second time ERR_NO_MEM...
both for APP_UART_FIFO_INIT and APP_UART_INIT i never receive APP_UART_DATA_READY
but at least i get APP_UART_DATA sometimes .
most of the times i get APP_UART_COMMUNICATION_ERROR...
I'm trying to monitor the time a signal is high/low on a GPIO. It seems to work alright with timers and PPI, but I wish there was a way to reset the timer upon capture.
...
Hi,
What is the largest possible value of "MAX_VAL" for application timer given below:
"#define APP_TIMER_PRESCALER 0"
"#define M_DELAY APP_TIMER_TICKS(MAX_VAL, APP_TIMER_PRESCALER...
Since UART-BLE is an emulation of UART on BLE, is there a need for physical wiring of the pins (RXD, TXD)? Assuming I'm not using RTS/CTS as I have disabled flow control,...
