/** * @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; }
static ret_code_t audio_req_out_data_cb(nrf_drv_usbd_ep_status_t status, void * p_context) { if (status == NRF_USBD_EP_OK) { app_usbd_audio_t const * p_audio = p_context; user_event_handler((app_usbd_class_inst_t const *)p_audio, APP_USBD_AUDIO_USER_EVT_CLASS_REQ); } return NRF_SUCCESS; }
/** * @brief Internal SETUP class IN request handler. * * @param[in] p_inst Generic class instance. * @param[in] p_setup_ev Setup event. * * @return Standard error code. * @retval NRF_SUCCESS Request handled correctly. * @retval NRF_ERROR_NOT_SUPPORTED Request is not supported. */ static ret_code_t setup_req_class_in( app_usbd_class_inst_t const * p_inst, app_usbd_setup_evt_t const * p_setup_ev) { switch (p_setup_ev->setup.bRequest) { case APP_USBD_AUDIO_REQ_GET_CUR: case APP_USBD_AUDIO_REQ_GET_MIN: case APP_USBD_AUDIO_REQ_GET_MAX: case APP_USBD_AUDIO_REQ_SET_RES: case APP_USBD_AUDIO_REQ_GET_MEM: { app_usbd_audio_t const * p_audio = audio_get(p_inst); app_usbd_audio_ctx_t * p_audio_ctx = audio_ctx_get(p_audio); p_audio_ctx->request.req_type = (app_usbd_audio_req_type_t)p_setup_ev->setup.bRequest; p_audio_ctx->request.control = p_setup_ev->setup.wValue.hb; p_audio_ctx->request.channel = p_setup_ev->setup.wValue.lb; p_audio_ctx->request.interface = p_setup_ev->setup.wIndex.hb; p_audio_ctx->request.entity = p_setup_ev->setup.wIndex.lb; p_audio_ctx->request.length = p_setup_ev->setup.wLength.w; p_audio_ctx->request.req_target = APP_USBD_AUDIO_CLASS_REQ_IN; app_usbd_setup_reqrec_t rec = app_usbd_setup_req_rec(p_setup_ev->setup.bmRequestType); if (rec == APP_USBD_SETUP_REQREC_ENDPOINT) { p_audio_ctx->request.req_target = APP_USBD_AUDIO_EP_REQ_IN; } user_event_handler((app_usbd_class_inst_t const *)p_audio, APP_USBD_AUDIO_USER_EVT_CLASS_REQ); return app_usbd_core_setup_rsp(&p_setup_ev->setup, p_audio_ctx->request.payload, p_audio_ctx->request.length); } default: break; } return NRF_ERROR_NOT_SUPPORTED; }
/** * @brief Internal SETUP class OUT request handler. * * @param[in] p_inst Generic class instance. * @param[in] p_setup_ev Setup event. * * @return Standard error code. * @retval NRF_SUCCESS if request handled correctly. * @retval NRF_ERROR_NOT_SUPPORTED if request is not supported. */ static ret_code_t setup_req_class_out(app_usbd_class_inst_t const * p_inst, app_usbd_setup_evt_t const * p_setup_ev) { app_usbd_nrf_dfu_trigger_t const * p_dfu = nrf_dfu_trigger_get(p_inst); app_usbd_nrf_dfu_trigger_ctx_t * p_dfu_ctx = nrf_dfu_trigger_ctx_get(p_dfu); switch (p_setup_ev->setup.bRequest) { case APP_USBD_NRF_DFU_TRIGGER_REQ_DETACH: { NRF_LOG_DEBUG("Entering DFU Mode"); p_dfu_ctx->state = APP_USBD_NRF_DFU_TRIGGER_STATE_DETACH; user_event_handler(p_inst, APP_USBD_NRF_DFU_TRIGGER_USER_EVT_DETACH); return NRF_SUCCESS; } default: break; } return NRF_ERROR_NOT_SUPPORTED; }
/** * @brief Class specific request data stage setup. * * @param[in] p_inst Generic class instance. * @param[in] p_setup_ev Setup event. * * @return Standard error code. */ static ret_code_t cdc_acm_req_out_datastage(app_usbd_class_inst_t const * p_inst, app_usbd_setup_evt_t const * p_setup_ev) { app_usbd_cdc_acm_t const * p_cdc_acm = cdc_acm_get(p_inst); app_usbd_cdc_acm_ctx_t * p_cdc_acm_ctx = cdc_acm_ctx_get(p_cdc_acm); p_cdc_acm_ctx->request.type = p_setup_ev->setup.bmRequest; p_cdc_acm_ctx->request.len = p_setup_ev->setup.wLength.w; /*Request setup data*/ NRF_DRV_USBD_TRANSFER_OUT(transfer, &p_cdc_acm_ctx->request.payload, p_cdc_acm_ctx->request.len); ret_code_t ret; CRITICAL_REGION_ENTER(); ret = app_usbd_ep_transfer(NRF_DRV_USBD_EPOUT0, &transfer); if (ret == NRF_SUCCESS) { const app_usbd_core_setup_data_handler_desc_t desc = { .handler = cdc_acm_req_out_data_cb, .p_context = (void*)p_cdc_acm }; ret = app_usbd_core_setup_data_handler_set(NRF_DRV_USBD_EPOUT0, &desc); } CRITICAL_REGION_EXIT(); return ret; } /** * @brief Internal SETUP class OUT request handler. * * @param[in] p_inst Generic class instance. * @param[in] p_setup_ev Setup event. * * @return Standard error code. */ static ret_code_t setup_req_class_out(app_usbd_class_inst_t const * p_inst, app_usbd_setup_evt_t const * p_setup_ev) { app_usbd_cdc_acm_t const * p_cdc_acm = cdc_acm_get(p_inst); app_usbd_cdc_acm_ctx_t * p_cdc_acm_ctx = cdc_acm_ctx_get(p_cdc_acm); switch (p_setup_ev->setup.bmRequest) { case APP_USBD_CDC_REQ_SET_LINE_CODING: { if (p_setup_ev->setup.wLength.w != sizeof(app_usbd_cdc_line_coding_t)) { return NRF_ERROR_NOT_SUPPORTED; } return cdc_acm_req_out_datastage(p_inst, p_setup_ev); } case APP_USBD_CDC_REQ_SET_CONTROL_LINE_STATE: { if (p_setup_ev->setup.wLength.w != 0) { return NRF_ERROR_NOT_SUPPORTED; } NRF_LOG_INFO("REQ_SET_CONTROL_LINE_STATE: 0x%x", p_setup_ev->setup.wValue.w); bool old_dtr = (p_cdc_acm_ctx->line_state & APP_USBD_CDC_ACM_LINE_STATE_DTR) ? true : false; p_cdc_acm_ctx->line_state = p_setup_ev->setup.wValue.w; bool new_dtr = (p_cdc_acm_ctx->line_state & APP_USBD_CDC_ACM_LINE_STATE_DTR) ? true : false; if (old_dtr == new_dtr) { return NRF_SUCCESS; } const app_usbd_cdc_acm_user_event_t ev = new_dtr ? APP_USBD_CDC_ACM_USER_EVT_PORT_OPEN : APP_USBD_CDC_ACM_USER_EVT_PORT_CLOSE; user_event_handler(p_inst, ev); if (!new_dtr) { /*Abort DATA endpoints on port close */ nrf_drv_usbd_ep_t ep; ep = data_ep_in_addr_get(p_inst); nrf_drv_usbd_ep_abort(ep); ep = data_ep_out_addr_get(p_inst); nrf_drv_usbd_ep_abort(ep); } return NRF_SUCCESS; } default: break; } return NRF_ERROR_NOT_SUPPORTED; }
/** * @brief Endpoint OUT event handler. * * @param[in] p_inst Generic class instance. * * @return Standard error code. * @retval NRF_SUCCESS Request handled correctly. * @retval NRF_ERROR_NOT_SUPPORTED Request is not supported. */ static ret_code_t endpoint_out_event_handler(app_usbd_class_inst_t const * p_inst) { user_event_handler(p_inst, APP_USBD_AUDIO_USER_EVT_RX_DONE); return NRF_SUCCESS; }