Replacement of NRF_SDH library to SoftDevice basic APIs

RE: Replacement of NRF_SDH library to SoftDevice basic APIs

Jørgen Holmefjord — Tue, 16 Jul 2019 15:29:24 GMT

The priority should already have been set by the stack. You do enable the interrupt after you enable the softdevice, right?

Is the SWI2_IRQHandler not called at all? Did you verify this by debugging and setting a breakpoint inside the handler?

RE: Replacement of NRF_SDH library to SoftDevice basic APIs

Prajakta — Tue, 16 Jul 2019 05:08:22 GMT

Thank you.
I have implemented it in code.
But still not getting event in handler.

Is there any priority need to set?
if yes, where to set?

RE: Replacement of NRF_SDH library to SoftDevice basic APIs

Jørgen Holmefjord — Fri, 12 Jul 2019 07:54:56 GMT

It's actually one of the software interrupts, you need to redefine these as follows (or use SWI2_IRQn/SWI2_IRQHandler directly above):

#define SD_EVT_IRQn                       (SWI2_IRQn)        /**< SoftDevice Event IRQ number. Used for both protocol events and SoC events. */
#define SD_EVT_IRQHandler                 (SWI2_IRQHandler)  /**< SoftDevice Event IRQ handler. Used for both protocol events and SoC events.

RE: Replacement of NRF_SDH library to SoftDevice basic APIs

Prajakta — Fri, 12 Jul 2019 07:09:49 GMT

This IRQ handler need to define in any other files like interrupts.c or iar_startup.s file?
If yes. Where to add?

RE: Replacement of NRF_SDH library to SoftDevice basic APIs

Jørgen Holmefjord — Thu, 11 Jul 2019 14:01:02 GMT

Hi,

You can enable interrupts from the softdevice using these lines:

ret_code_t ret_code = sd_nvic_EnableIRQ((IRQn_Type)SD_EVT_IRQn);
APP_ERROR_CHECK(ret_code);

You must then implement the IRQ handler, where you pull for softdevice events using sd_ble_evt_get():

void SD_EVT_IRQHandler(void)
{
    __ALIGN(4) uint8_t evt_buffer[BLE_EVT_LEN_MAX(ATT_MTU)];
    uint16_t    evt_len = (uint16_t)sizeof(evt_buffer);

    ret_code = sd_ble_evt_get(evt_buffer, &evt_len);
    if (ret_code != NRF_SUCCESS)
    {
        break;
    }
}

Best regards,
Jørgen

RE: Replacement of NRF_SDH library to SoftDevice basic APIs

awneil — Thu, 11 Jul 2019 08:17:37 GMT

How to properly post source code: