How can I send hid data with TIMER1_IRQHandler strict every 8ms?

[gootoomoon]

I find it unstable to send hid data, even if I set timer 1 every 8ms to send hid data.

I can catch data bag from wireshark it seems that interval of two data even close to 1ms.

How can this happen?

but if I set timer every 15ms, it become more stable.

But I need send it every 8ms, can you help?

It is very stable in lenovo N700 mouse (nrf51822)

test soft is in attachments

Best regards

MouseMovementRecorder.zip

[gootoomoon]

just like nrf51_sdk_v4_4_2_33551 ?

init like this

static void radio_notification_init(void)
{
    uint32_t err_code;

    err_code = ble_radio_notification_init(NRF_APP_PRIORITY_HIGH,
                                           NRF_RADIO_NOTIFICATION_DISTANCE_4560US,
                                           ble_flash_on_radio_active_evt);

  	APP_ERROR_CHECK(err_code);
}

and send data in ble_flash_on_radio_active_evt() ?

Does ble_flash_on_radio_active_evt() will be executed before the connection interval occurs

what does

void ble_flash_on_radio_active_evt(bool radio_active)
{
    m_radio_active = radio_active;
}

do?

[Håkon Alseth]

radio_active states if the connection event has just happened, or is just about to happen. If this is active, then the handler is executed right before a connection interval is to happen.

you should only push data if radio_active == true (or false). If you try to push data on both events, you will end up sending twice as many packets.

-H