/**************************************************************************/ /* */ /* Copyright (c) Microsoft Corporation. All rights reserved. */ /* */ /* This software is licensed under the Microsoft Software License */ /* Terms for Microsoft Azure RTOS. Full text of the license can be */ /* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */ /* and in the root directory of this software. */ /* */ /**************************************************************************/ /**************************************************************************/ /**************************************************************************/ /** */ /** USBX Component */ /** */ /** Asix Class */ /** */ /**************************************************************************/ /**************************************************************************/ /* Include necessary system files. */ #define UX_SOURCE_CODE #include "ux_api.h" #include "ux_host_class_asix.h" #include "ux_host_stack.h" /**************************************************************************/ /* */ /* FUNCTION RELEASE */ /* */ /* _ux_host_class_asix_setup PORTABLE C */ /* 6.1 */ /* AUTHOR */ /* */ /* Chaoqiong Xiao, Microsoft Corporation */ /* */ /* DESCRIPTION */ /* */ /* This function prepares the Asix chip Phy and rx and xmit registers. */ /* */ /* INPUT */ /* */ /* asix Pointer to asix class */ /* */ /* OUTPUT */ /* */ /* Completion Status */ /* */ /* CALLS */ /* */ /* _ux_host_stack_transfer_request Transfer request */ /* _ux_utility_memory_allocate Allocate memory */ /* _ux_utility_memory_free Free memory */ /* */ /* CALLED BY */ /* */ /* _ux_host_class_asix_activate */ /* */ /* RELEASE HISTORY */ /* */ /* DATE NAME DESCRIPTION */ /* */ /* 05-19-2020 Chaoqiong Xiao Initial Version 6.0 */ /* 09-30-2020 Chaoqiong Xiao Modified comment(s), */ /* verified memset and memcpy */ /* cases, */ /* resulting in version 6.1 */ /* */ /**************************************************************************/ UINT _ux_host_class_asix_setup(UX_HOST_CLASS_ASIX *asix) { UCHAR *setup_buffer; UX_ENDPOINT *control_endpoint; UX_TRANSFER *transfer_request; ULONG phy_register_value; UINT status; /* We need to get the default control endpoint transfer request pointer. */ control_endpoint = &asix -> ux_host_class_asix_device -> ux_device_control_endpoint; transfer_request = &control_endpoint -> ux_endpoint_transfer_request; /* Need to allocate memory for the buffer. */ setup_buffer = _ux_utility_memory_allocate(UX_SAFE_ALIGN, UX_CACHE_SAFE_MEMORY, UX_HOST_CLASS_ASIX_SETUP_BUFFER_SIZE); if (setup_buffer == UX_NULL) return(UX_MEMORY_INSUFFICIENT); /* Get the Ethernet Phy Address register. */ transfer_request -> ux_transfer_request_data_pointer = setup_buffer; transfer_request -> ux_transfer_request_requested_length = 2; transfer_request -> ux_transfer_request_function = UX_HOST_CLASS_ASIX_REQ_READ_PHY_ID; transfer_request -> ux_transfer_request_type = UX_REQUEST_IN | UX_REQUEST_TYPE_VENDOR | UX_REQUEST_TARGET_DEVICE; transfer_request -> ux_transfer_request_value = 0; transfer_request -> ux_transfer_request_index = 0; /* Send request to HCD layer. */ status = _ux_host_stack_transfer_request(transfer_request); /* Check status, if error, do not proceed. */ if ((status != UX_SUCCESS) || (transfer_request -> ux_transfer_request_completion_code != UX_SUCCESS) || (transfer_request -> ux_transfer_request_actual_length != 2)) { /* Free all used resources. */ _ux_utility_memory_free(setup_buffer); /* Return completion status. */ return(UX_TRANSFER_ERROR); } /* Extract the PHY IDs and the type. */ asix -> ux_host_class_asix_primary_phy_id = *(setup_buffer + UX_HOST_CLASS_ASIX_PHY_ID_PRIMARY) & UX_HOST_CLASS_ASIX_PHY_ID_MASK; asix -> ux_host_class_asix_primary_phy_type = (*(setup_buffer + UX_HOST_CLASS_ASIX_PHY_ID_PRIMARY) >> UX_HOST_CLASS_ASIX_PHY_TYPE_SHIFT) & UX_HOST_CLASS_ASIX_PHY_TYPE_MASK; asix -> ux_host_class_asix_secondary_phy_id = *(setup_buffer + UX_HOST_CLASS_ASIX_PHY_ID_SECONDARY) & UX_HOST_CLASS_ASIX_PHY_ID_MASK; asix -> ux_host_class_asix_secondary_phy_type = (*(setup_buffer + UX_HOST_CLASS_ASIX_PHY_ID_SECONDARY) >> UX_HOST_CLASS_ASIX_PHY_TYPE_SHIFT) & UX_HOST_CLASS_ASIX_PHY_TYPE_MASK; /* Set the GPIO 2 register. */ transfer_request -> ux_transfer_request_data_pointer = UX_NULL; transfer_request -> ux_transfer_request_requested_length = 0; transfer_request -> ux_transfer_request_function = UX_HOST_CLASS_ASIX_REQ_WRITE_GPIO_STATUS; transfer_request -> ux_transfer_request_type = UX_REQUEST_OUT | UX_REQUEST_TYPE_VENDOR | UX_REQUEST_TARGET_DEVICE; transfer_request -> ux_transfer_request_value = (UX_HOST_CLASS_ASIX_GPIO_RSE | UX_HOST_CLASS_ASIX_GPIO_GPO2EN | UX_HOST_CLASS_ASIX_GPIO_GPO_2); transfer_request -> ux_transfer_request_index = 0; /* Send request to HCD layer. */ status = _ux_host_stack_transfer_request(transfer_request); /* Check status, if error, do not proceed. */ if (status != UX_SUCCESS || transfer_request -> ux_transfer_request_completion_code != UX_SUCCESS) { /* Free all used resources. */ _ux_utility_memory_free(setup_buffer); /* Return completion status. */ return(UX_TRANSFER_ERROR); } /* Set the Software PHY Select register. */ transfer_request -> ux_transfer_request_data_pointer = UX_NULL; transfer_request -> ux_transfer_request_requested_length = 0; transfer_request -> ux_transfer_request_function = UX_HOST_CLASS_ASIX_REQ_WRITE_SW_PHY_SELECT_STATUS; transfer_request -> ux_transfer_request_type = UX_REQUEST_OUT | UX_REQUEST_TYPE_VENDOR | UX_REQUEST_TARGET_DEVICE; transfer_request -> ux_transfer_request_value = 1; transfer_request -> ux_transfer_request_index = 0; /* Send request to HCD layer. */ status = _ux_host_stack_transfer_request(transfer_request); /* Check status, if error, do not proceed. */ if (status != UX_SUCCESS || transfer_request -> ux_transfer_request_completion_code != UX_SUCCESS) { /* Free all used resources. */ _ux_utility_memory_free(setup_buffer); /* Return completion status. */ return(UX_TRANSFER_ERROR); } /* Perform a software reset of IPPD. */ transfer_request -> ux_transfer_request_data_pointer = UX_NULL; transfer_request -> ux_transfer_request_requested_length = 0; transfer_request -> ux_transfer_request_function = UX_HOST_CLASS_ASIX_REQ_SW_RESET; transfer_request -> ux_transfer_request_type = UX_REQUEST_OUT | UX_REQUEST_TYPE_VENDOR | UX_REQUEST_TARGET_DEVICE; transfer_request -> ux_transfer_request_value = UX_HOST_CLASS_ASIX_SW_RESET_IPPD; transfer_request -> ux_transfer_request_index = 0; /* Send request to HCD layer. */ status = _ux_host_stack_transfer_request(transfer_request); /* Check status, if error, do not proceed. */ if (status != UX_SUCCESS || transfer_request -> ux_transfer_request_completion_code != UX_SUCCESS) { /* Free all used resources. */ _ux_utility_memory_free(setup_buffer); /* Return completion status. */ return(UX_TRANSFER_ERROR); } /* Perform a software reset. */ transfer_request -> ux_transfer_request_data_pointer = UX_NULL; transfer_request -> ux_transfer_request_requested_length = 0; transfer_request -> ux_transfer_request_function = UX_HOST_CLASS_ASIX_REQ_SW_RESET; transfer_request -> ux_transfer_request_type = UX_REQUEST_OUT | UX_REQUEST_TYPE_VENDOR | UX_REQUEST_TARGET_DEVICE; transfer_request -> ux_transfer_request_value = 0; transfer_request -> ux_transfer_request_index = 0; /* Send request to HCD layer. */ status = _ux_host_stack_transfer_request(transfer_request); /* Check status, if error, do not proceed. */ if (status != UX_SUCCESS || transfer_request -> ux_transfer_request_completion_code != UX_SUCCESS) { /* Free all used resources. */ _ux_utility_memory_free(setup_buffer); /* Return completion status. */ return(UX_TRANSFER_ERROR); } /* Perform a software reset of IPRL and PRL. */ transfer_request -> ux_transfer_request_data_pointer = UX_NULL; transfer_request -> ux_transfer_request_requested_length = 0; transfer_request -> ux_transfer_request_function = UX_HOST_CLASS_ASIX_REQ_SW_RESET; transfer_request -> ux_transfer_request_type = UX_REQUEST_OUT | UX_REQUEST_TYPE_VENDOR | UX_REQUEST_TARGET_DEVICE; transfer_request -> ux_transfer_request_value = (UX_HOST_CLASS_ASIX_SW_RESET_IPRL | UX_HOST_CLASS_ASIX_SW_RESET_PRL); transfer_request -> ux_transfer_request_index = 0; /* Send request to HCD layer. */ status = _ux_host_stack_transfer_request(transfer_request); /* Check status, if error, do not proceed. */ if (status != UX_SUCCESS || transfer_request -> ux_transfer_request_completion_code != UX_SUCCESS) { /* Free all used resources. */ _ux_utility_memory_free(setup_buffer); /* Return completion status. */ return(UX_TRANSFER_ERROR); } /* Write the value of the Receive Control register. */ transfer_request -> ux_transfer_request_data_pointer = UX_NULL; transfer_request -> ux_transfer_request_requested_length = 0; transfer_request -> ux_transfer_request_function = UX_HOST_CLASS_ASIX_REQ_WRITE_RX_CTL; transfer_request -> ux_transfer_request_type = UX_REQUEST_OUT | UX_REQUEST_TYPE_VENDOR | UX_REQUEST_TARGET_DEVICE; transfer_request -> ux_transfer_request_value = 0; transfer_request -> ux_transfer_request_index = UX_HOST_CLASS_ASIX_RXCR_MFB_2048; /* Send request to HCD layer. */ status = _ux_host_stack_transfer_request(transfer_request); /* Check status, if error, do not proceed. */ if (status != UX_SUCCESS || transfer_request -> ux_transfer_request_completion_code != UX_SUCCESS) { /* Free all used resources. */ _ux_utility_memory_free(setup_buffer); /* Return completion status. */ return(UX_TRANSFER_ERROR); } /* Get the Ethernet Phy Address register. */ transfer_request -> ux_transfer_request_data_pointer = setup_buffer; transfer_request -> ux_transfer_request_requested_length = UX_HOST_CLASS_ASIX_NODE_ID_LENGTH; transfer_request -> ux_transfer_request_function = UX_HOST_CLASS_ASIX_REQ_READ_NODE_ID; transfer_request -> ux_transfer_request_type = UX_REQUEST_IN | UX_REQUEST_TYPE_VENDOR | UX_REQUEST_TARGET_DEVICE; transfer_request -> ux_transfer_request_value = 0; transfer_request -> ux_transfer_request_index = 0; /* Send request to HCD layer. */ status = _ux_host_stack_transfer_request(transfer_request); /* Check status, if error, do not proceed. */ if (status != UX_SUCCESS || transfer_request -> ux_transfer_request_completion_code != UX_SUCCESS || transfer_request -> ux_transfer_request_actual_length != UX_HOST_CLASS_ASIX_NODE_ID_LENGTH) { /* Free all used resources. */ _ux_utility_memory_free(setup_buffer); /* Return completion status. */ return(UX_TRANSFER_ERROR); } /* Copy the node id into the Asix instance. */ _ux_utility_memory_copy(asix -> ux_host_class_asix_node_id, setup_buffer, UX_HOST_CLASS_ASIX_NODE_ID_LENGTH); /* Use case of memcpy is verified. */ /* Request ownership of Serial Management Interface. */ transfer_request -> ux_transfer_request_data_pointer = UX_NULL; transfer_request -> ux_transfer_request_requested_length = 0; transfer_request -> ux_transfer_request_function = UX_HOST_CLASS_ASIX_REQ_OWN_SMI ; transfer_request -> ux_transfer_request_type = UX_REQUEST_OUT | UX_REQUEST_TYPE_VENDOR | UX_REQUEST_TARGET_DEVICE; transfer_request -> ux_transfer_request_value = 0; transfer_request -> ux_transfer_request_index = 0; /* Send request to HCD layer. */ status = _ux_host_stack_transfer_request(transfer_request); /* Check status, if error, do not proceed. */ if (status != UX_SUCCESS || transfer_request -> ux_transfer_request_completion_code != UX_SUCCESS) { /* Free all used resources. */ _ux_utility_memory_free(setup_buffer); /* Return completion status. */ return(UX_TRANSFER_ERROR); } /* Get the value of the PHYIDR1 in the PHY register. */ transfer_request -> ux_transfer_request_data_pointer = setup_buffer; transfer_request -> ux_transfer_request_requested_length = 2; transfer_request -> ux_transfer_request_function = UX_HOST_CLASS_ASIX_REQ_READ_PHY_REG; transfer_request -> ux_transfer_request_type = UX_REQUEST_IN | UX_REQUEST_TYPE_VENDOR | UX_REQUEST_TARGET_DEVICE; transfer_request -> ux_transfer_request_value = asix -> ux_host_class_asix_primary_phy_id; transfer_request -> ux_transfer_request_index = UX_HOST_CLASS_ASIX_PHY_REG_PHYIDR1; /* Send request to HCD layer. */ status = _ux_host_stack_transfer_request(transfer_request); /* Check status, if error, do not proceed. */ if (status != UX_SUCCESS || transfer_request -> ux_transfer_request_completion_code != UX_SUCCESS || transfer_request -> ux_transfer_request_actual_length != 2) { /* Free all used resources. */ _ux_utility_memory_free(setup_buffer); /* Return completion status. */ return(UX_TRANSFER_ERROR); } /* Extract the Vendor model number and model revision number. First get the value in proper 16 bit little endian. */ phy_register_value = _ux_utility_short_get(setup_buffer); /* Get the model revision number. */ asix -> ux_host_class_asix_model_revision_number = (phy_register_value >> UX_HOST_CLASS_ASIX_PHY_REG_PHYIDR1_MDL_REV_SHIFT) & UX_HOST_CLASS_ASIX_PHY_REG_PHYIDR1_MDL_REV_MASK; /* Get the vendor model number. */ asix -> ux_host_class_asix_vendor_model_number = (phy_register_value >> UX_HOST_CLASS_ASIX_PHY_REG_PHYIDR1_VNDR_REV_SHIFT) & UX_HOST_CLASS_ASIX_PHY_REG_PHYIDR1_VNDR_REV_MASK ; /* Perform a software reset. External Phy Reset Pin level. */ transfer_request -> ux_transfer_request_data_pointer = UX_NULL; transfer_request -> ux_transfer_request_requested_length = 0; transfer_request -> ux_transfer_request_function = UX_HOST_CLASS_ASIX_REQ_SW_RESET; transfer_request -> ux_transfer_request_type = UX_REQUEST_OUT | UX_REQUEST_TYPE_VENDOR | UX_REQUEST_TARGET_DEVICE; transfer_request -> ux_transfer_request_value = UX_HOST_CLASS_ASIX_SW_RESET_PRL; transfer_request -> ux_transfer_request_index = 0; /* Send request to HCD layer. */ status = _ux_host_stack_transfer_request(transfer_request); /* Check status, if error, do not proceed. */ if (status != UX_SUCCESS || transfer_request -> ux_transfer_request_completion_code != UX_SUCCESS) { /* Free all used resources. */ _ux_utility_memory_free(setup_buffer); /* Return completion status. */ return(UX_TRANSFER_ERROR); } /* Perform a software reset. Internal Phy reset Control and external Phy Reset Pin level. */ transfer_request -> ux_transfer_request_data_pointer = UX_NULL; transfer_request -> ux_transfer_request_requested_length = 0; transfer_request -> ux_transfer_request_function = UX_HOST_CLASS_ASIX_REQ_SW_RESET; transfer_request -> ux_transfer_request_type = UX_REQUEST_OUT | UX_REQUEST_TYPE_VENDOR | UX_REQUEST_TARGET_DEVICE; transfer_request -> ux_transfer_request_value = (UX_HOST_CLASS_ASIX_SW_RESET_IPRL | UX_HOST_CLASS_ASIX_SW_RESET_PRL); transfer_request -> ux_transfer_request_index = 0; /* Send request to HCD layer. */ status = _ux_host_stack_transfer_request(transfer_request); /* Check status, if error, do not proceed. */ if (status != UX_SUCCESS || transfer_request -> ux_transfer_request_completion_code != UX_SUCCESS) { /* Free all used resources. */ _ux_utility_memory_free(setup_buffer); /* Return completion status. */ return(UX_TRANSFER_ERROR); } /* Write the value of the BMCR register in the PHY register. */ transfer_request -> ux_transfer_request_data_pointer = setup_buffer; transfer_request -> ux_transfer_request_requested_length = 2; transfer_request -> ux_transfer_request_function = UX_HOST_CLASS_ASIX_REQ_WRITE_PHY_REG; transfer_request -> ux_transfer_request_type = UX_REQUEST_OUT | UX_REQUEST_TYPE_VENDOR | UX_REQUEST_TARGET_DEVICE; transfer_request -> ux_transfer_request_value = asix -> ux_host_class_asix_primary_phy_id; transfer_request -> ux_transfer_request_index = UX_HOST_CLASS_ASIX_PHY_REG_BMCR; /* Set the value for the PHY reg. */ phy_register_value = UX_HOST_CLASS_ASIX_PHY_REG_BMCR_RESET; /* Insert the value into the target buffer. */ _ux_utility_short_put(setup_buffer, (USHORT)phy_register_value); /* Send request to HCD layer. */ status = _ux_host_stack_transfer_request(transfer_request); /* Check status, if error, do not proceed. */ if (status != UX_SUCCESS || transfer_request -> ux_transfer_request_completion_code != UX_SUCCESS || transfer_request -> ux_transfer_request_actual_length != 2) { /* Free all used resources. */ _ux_utility_memory_free(setup_buffer); /* Return completion status. */ return(UX_TRANSFER_ERROR); } /* Read the value of the BMCR register in the PHY register. */ transfer_request -> ux_transfer_request_data_pointer = setup_buffer; transfer_request -> ux_transfer_request_requested_length = 2; transfer_request -> ux_transfer_request_function = UX_HOST_CLASS_ASIX_REQ_READ_PHY_REG; transfer_request -> ux_transfer_request_type = UX_REQUEST_IN | UX_REQUEST_TYPE_VENDOR | UX_REQUEST_TARGET_DEVICE; transfer_request -> ux_transfer_request_value = asix -> ux_host_class_asix_primary_phy_id; transfer_request -> ux_transfer_request_index = UX_HOST_CLASS_ASIX_PHY_REG_BMCR; /* Send request to HCD layer. */ status = _ux_host_stack_transfer_request(transfer_request); /* Check status, if error, do not proceed. */ if (status != UX_SUCCESS || transfer_request -> ux_transfer_request_completion_code != UX_SUCCESS || transfer_request -> ux_transfer_request_actual_length != 2) { /* Free all used resources. */ _ux_utility_memory_free(setup_buffer); /* Return completion status. */ return(UX_TRANSFER_ERROR); } /* Extract the speed selected by the PHY. */ phy_register_value = _ux_utility_short_get(setup_buffer); /* Isolate the speed and memorize it. */ if (phy_register_value & UX_HOST_CLASS_ASIX_PHY_REG_BMCR_SPEED_100MBS) /* Select 100 MBPS as our speed. */ asix -> ux_host_class_asix_speed_selected = UX_HOST_CLASS_ASIX_SPEED_SELECTED_100MPBS; else /* Select 10 MBPS as our speed. */ asix -> ux_host_class_asix_speed_selected = UX_HOST_CLASS_ASIX_SPEED_SELECTED_10MPBS; /* Set the value of the ANAR in the PHY register. */ transfer_request -> ux_transfer_request_data_pointer = setup_buffer; transfer_request -> ux_transfer_request_requested_length = 2; transfer_request -> ux_transfer_request_function = UX_HOST_CLASS_ASIX_REQ_WRITE_PHY_REG; transfer_request -> ux_transfer_request_type = UX_REQUEST_OUT | UX_REQUEST_TYPE_VENDOR | UX_REQUEST_TARGET_DEVICE; transfer_request -> ux_transfer_request_value = asix -> ux_host_class_asix_primary_phy_id; transfer_request -> ux_transfer_request_index = UX_HOST_CLASS_ASIX_PHY_REG_ANAR; /* Set the value for the PHY reg. */ phy_register_value = (UX_HOST_CLASS_ASIX_PHY_REG_ANAR_DEFAULT_SELECTOR | UX_HOST_CLASS_ASIX_PHY_REG_ANAR_10_HD | UX_HOST_CLASS_ASIX_PHY_REG_ANAR_10_FD | UX_HOST_CLASS_ASIX_PHY_REG_ANAR_TX_HD | UX_HOST_CLASS_ASIX_PHY_REG_ANAR_TX_FD | UX_HOST_CLASS_ASIX_PHY_REG_ANAR_PAUSE); /* Insert the value into the target buffer. */ _ux_utility_short_put(setup_buffer, (USHORT)phy_register_value); /* Send request to HCD layer. */ status = _ux_host_stack_transfer_request(transfer_request); /* Check status, if error, do not proceed. */ if (status != UX_SUCCESS || transfer_request -> ux_transfer_request_completion_code != UX_SUCCESS || transfer_request -> ux_transfer_request_actual_length != 2) { /* Free all used resources. */ _ux_utility_memory_free(setup_buffer); /* Return completion status. */ return(UX_TRANSFER_ERROR); } /* Set the value of the BMCR in the PHY register. */ transfer_request -> ux_transfer_request_data_pointer = setup_buffer; transfer_request -> ux_transfer_request_requested_length = 2; transfer_request -> ux_transfer_request_function = UX_HOST_CLASS_ASIX_REQ_WRITE_PHY_REG; transfer_request -> ux_transfer_request_type = UX_REQUEST_OUT | UX_REQUEST_TYPE_VENDOR | UX_REQUEST_TARGET_DEVICE; transfer_request -> ux_transfer_request_value = asix -> ux_host_class_asix_primary_phy_id; transfer_request -> ux_transfer_request_index = UX_HOST_CLASS_ASIX_PHY_REG_BMCR; /* Check speed. */ if (asix -> ux_host_class_asix_speed_selected == UX_HOST_CLASS_ASIX_SPEED_SELECTED_100MPBS) /* Set speed at 100MBPS. */ phy_register_value = UX_HOST_CLASS_ASIX_PHY_REG_BMCR_SPEED_100MBS; /* Set the value for the PHY reg. */ phy_register_value |= (UX_HOST_CLASS_ASIX_PHY_REG_BMCR_AUTO_NEGOTIATION | UX_HOST_CLASS_ASIX_PHY_REG_BMCR_RESTART_NEG | UX_HOST_CLASS_ASIX_PHY_REG_BMCR_DUPLEX_MODE); /* Insert the value into the target buffer. */ _ux_utility_short_put(setup_buffer, (USHORT)phy_register_value); /* Send request to HCD layer. */ status = _ux_host_stack_transfer_request(transfer_request); /* Check status, if error, do not proceed. */ if (status != UX_SUCCESS || transfer_request -> ux_transfer_request_completion_code != UX_SUCCESS || transfer_request -> ux_transfer_request_actual_length != 2) { /* Free all used resources. */ _ux_utility_memory_free(setup_buffer); /* Return completion status. */ return(UX_TRANSFER_ERROR); } /* Check speed. */ if (asix -> ux_host_class_asix_speed_selected == UX_HOST_CLASS_ASIX_SPEED_SELECTED_100MPBS) /* Set speed at 100MBPS. */ transfer_request -> ux_transfer_request_value = UX_HOST_CLASS_ASIX_MEDIUM_PS; /* Write the value of the Medium Mode. */ transfer_request -> ux_transfer_request_data_pointer = UX_NULL; transfer_request -> ux_transfer_request_requested_length = 0; transfer_request -> ux_transfer_request_function = UX_HOST_CLASS_ASIX_REQ_WRITE_MEDIUM_MODE; transfer_request -> ux_transfer_request_type = UX_REQUEST_OUT | UX_REQUEST_TYPE_VENDOR | UX_REQUEST_TARGET_DEVICE; transfer_request -> ux_transfer_request_value |= (UX_HOST_CLASS_ASIX_MEDIUM_FD | UX_HOST_CLASS_ASIX_MEDIUM_BIT2 | UX_HOST_CLASS_ASIX_MEDIUM_RFC_ENABLED | UX_HOST_CLASS_ASIX_MEDIUM_TFC_ENABLED | UX_HOST_CLASS_ASIX_MEDIUM_RE_ENABLED); transfer_request -> ux_transfer_request_index = 0; /* Send request to HCD layer. */ status = _ux_host_stack_transfer_request(transfer_request); /* Check status, if error, do not proceed. */ if (status != UX_SUCCESS || transfer_request -> ux_transfer_request_completion_code != UX_SUCCESS) { /* Free all used resources. */ _ux_utility_memory_free(setup_buffer); /* Return completion status. */ return(UX_TRANSFER_ERROR); } /* Write the value of the IPG0/IPG1/IPG2. */ transfer_request -> ux_transfer_request_data_pointer = UX_NULL; transfer_request -> ux_transfer_request_requested_length = 0; transfer_request -> ux_transfer_request_function = UX_HOST_CLASS_ASIX_REQ_WRITE_IPG012; transfer_request -> ux_transfer_request_type = UX_REQUEST_OUT | UX_REQUEST_TYPE_VENDOR | UX_REQUEST_TARGET_DEVICE; transfer_request -> ux_transfer_request_value = UX_HOST_CLASS_ASIX_PPG0_IPG1; transfer_request -> ux_transfer_request_index = UX_HOST_CLASS_ASIX_PPG2; /* Send request to HCD layer. */ status = _ux_host_stack_transfer_request(transfer_request); /* Check status, if error, do not proceed. */ if (status != UX_SUCCESS || transfer_request -> ux_transfer_request_completion_code != UX_SUCCESS) { /* Free all used resources. */ _ux_utility_memory_free(setup_buffer); /* Return completion status. */ return(UX_TRANSFER_ERROR); } /* Release SMI ownership. */ transfer_request -> ux_transfer_request_data_pointer = UX_NULL; transfer_request -> ux_transfer_request_requested_length = 0; transfer_request -> ux_transfer_request_function = UX_HOST_CLASS_ASIX_REQ_RELEASE_SMI; transfer_request -> ux_transfer_request_type = UX_REQUEST_OUT | UX_REQUEST_TYPE_VENDOR | UX_REQUEST_TARGET_DEVICE; transfer_request -> ux_transfer_request_value = 0; transfer_request -> ux_transfer_request_index = 0; /* Send request to HCD layer. */ status = _ux_host_stack_transfer_request(transfer_request); /* Check status, if error, do not proceed. */ if (status != UX_SUCCESS || transfer_request -> ux_transfer_request_completion_code != UX_SUCCESS) { /* Free all used resources. */ _ux_utility_memory_free(setup_buffer); /* Return completion status. */ return(UX_TRANSFER_ERROR); } /* Set the Rx Control register value. */ transfer_request -> ux_transfer_request_data_pointer = UX_NULL; transfer_request -> ux_transfer_request_requested_length = 0; transfer_request -> ux_transfer_request_function = UX_HOST_CLASS_ASIX_REQ_WRITE_RX_CTL; transfer_request -> ux_transfer_request_type = UX_REQUEST_OUT | UX_REQUEST_TYPE_VENDOR | UX_REQUEST_TARGET_DEVICE; transfer_request -> ux_transfer_request_value = (UX_HOST_CLASS_ASIX_RXCR_AB | UX_HOST_CLASS_ASIX_RXCR_SO | UX_HOST_CLASS_ASIX_RXCR_MFB_2048); transfer_request -> ux_transfer_request_index = 0; /* Send request to HCD layer. */ status = _ux_host_stack_transfer_request(transfer_request); /* Check status, if error, do not proceed. */ if (status != UX_SUCCESS || transfer_request -> ux_transfer_request_completion_code != UX_SUCCESS) { /* Free all used resources. */ _ux_utility_memory_free(setup_buffer); /* Return completion status. */ return(UX_TRANSFER_ERROR); } /* Free all used resources. */ _ux_utility_memory_free(setup_buffer); /* Return completion status. */ return(status); }