/**
* @brief Class specific endpoint transfer handler.
*
* @param[in] p_inst Generic class instance.
* @param[in] p_setup_ev Setup event.
*
* @return Standard error code.
*/
static ret_code_t cdc_acm_endpoint_ev(app_usbd_class_inst_t const * p_inst,
app_usbd_complex_evt_t const * p_event)
{
if (comm_ep_in_addr_get(p_inst) == p_event->drv_evt.data.eptransfer.ep)
{
NRF_LOG_INFO("EPIN_COMM: notify");
return NRF_SUCCESS;
}
if (NRF_USBD_EPIN_CHECK(p_event->drv_evt.data.eptransfer.ep))
{
switch (p_event->drv_evt.data.eptransfer.status)
{
case NRF_USBD_EP_OK:
NRF_LOG_INFO("EPIN_DATA: %02x done", p_event->drv_evt.data.eptransfer.ep);
user_event_handler(p_inst, APP_USBD_CDC_ACM_USER_EVT_TX_DONE);
return NRF_SUCCESS;
case NRF_USBD_EP_ABORTED:
return NRF_SUCCESS;
default:
return NRF_ERROR_INTERNAL;
}
}
if (NRF_USBD_EPOUT_CHECK(p_event->drv_evt.data.eptransfer.ep))
{
switch (p_event->drv_evt.data.eptransfer.status)
{
case NRF_USBD_EP_OK:
NRF_LOG_INFO("EPOUT_DATA: %02x done", p_event->drv_evt.data.eptransfer.ep);
user_event_handler(p_inst, APP_USBD_CDC_ACM_USER_EVT_RX_DONE);
return NRF_SUCCESS;
case NRF_USBD_EP_WAITING:
case NRF_USBD_EP_ABORTED:
return NRF_SUCCESS;
default:
return NRF_ERROR_INTERNAL;
}
}
return NRF_ERROR_NOT_SUPPORTED;
}
/**
* @brief @ref app_usbd_class_methods_t::event_handler
*/
static ret_code_t audio_event_handler(
app_usbd_class_inst_t const * p_inst,
app_usbd_complex_evt_t const * p_event)
{
ASSERT(p_inst != NULL);
ASSERT(p_event != NULL);
ret_code_t ret = NRF_SUCCESS;
switch (p_event->app_evt.type)
{
case APP_USBD_EVT_DRV_RESET:
break;
case APP_USBD_EVT_DRV_SETUP:
ret = setup_event_handler(p_inst, (app_usbd_setup_evt_t const *)p_event);
break;
case APP_USBD_EVT_DRV_EPTRANSFER:
if (NRF_USBD_EPIN_CHECK(p_event->drv_evt.data.eptransfer.ep))
{
ret = endpoint_in_event_handler(p_inst);
}
else
{
ret = endpoint_out_event_handler(p_inst);
}
break;
case APP_USBD_EVT_DRV_SUSPEND:
break;
case APP_USBD_EVT_DRV_RESUME:
break;
case APP_USBD_EVT_INST_APPEND:
{
app_usbd_audio_t const * p_audio = audio_get(p_inst);
app_usbd_audio_ctx_t * p_audio_ctx = audio_ctx_get(p_audio);
if(p_audio_ctx->sof_handler != NULL)
{
ret = app_usbd_class_sof_interrupt_register(p_inst, p_audio_ctx->sof_handler);
APP_ERROR_CHECK(ret);
}
break;
}
case APP_USBD_EVT_INST_REMOVE:
{
app_usbd_audio_t const * p_audio = audio_get(p_inst);
app_usbd_audio_ctx_t * p_audio_ctx = audio_ctx_get(p_audio);
if(p_audio_ctx->sof_handler != NULL)
{
ret = app_usbd_class_sof_interrupt_unregister(p_inst);
APP_ERROR_CHECK(ret);
}
break;
}
case APP_USBD_EVT_STARTED:
break;
case APP_USBD_EVT_STOPPED:
break;
default:
ret = NRF_ERROR_NOT_SUPPORTED;
break;
}
return ret;
}
