esp-idf/components/usb/test/hcd/test_hcd_bulk.c

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/*
* SPDX-FileCopyrightText: 2015-2021 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <stdio.h>
#include <stdbool.h>
#include "freertos/FreeRTOS.h"
#include "freertos/semphr.h"
#include "unity.h"
#include "test_utils.h"
#include "test_usb_mock_classes.h"
#include "test_hcd_common.h"
// --------------------------------------------------- Test Cases ------------------------------------------------------
static void mock_msc_reset_req(hcd_pipe_handle_t default_pipe)
{
//Create URB
urb_t *urb = test_hcd_alloc_urb(0, sizeof(usb_setup_packet_t));
usb_setup_packet_t *setup_pkt = (usb_setup_packet_t *)urb->transfer.data_buffer;
MOCK_MSC_SCSI_REQ_INIT_RESET(setup_pkt, MOCK_MSC_SCSI_INTF_NUMBER);
urb->transfer.num_bytes = sizeof(usb_setup_packet_t);
//Enqueue, wait, dequeue, and check URB
TEST_ASSERT_EQUAL(ESP_OK, hcd_urb_enqueue(default_pipe, urb));
test_hcd_expect_pipe_event(default_pipe, HCD_PIPE_EVENT_URB_DONE);
TEST_ASSERT_EQUAL(urb, hcd_urb_dequeue(default_pipe));
TEST_ASSERT_EQUAL(USB_TRANSFER_STATUS_COMPLETED, urb->transfer.status);
//Free URB
test_hcd_free_urb(urb);
}
/*
Test HCD bulk pipe URBs
Purpose:
- Test that a bulk pipe can be created
- URBs can be created and enqueued to the bulk pipe pipe
- Bulk pipe returns HCD_PIPE_EVENT_URB_DONE for completed URBs
- Test utilizes a bare bones (i.e., mock) MSC class using SCSI commands
Procedure:
- Setup HCD and wait for connection
- Allocate default pipe and enumerate the device
- Allocate separate URBS for CBW, Data, and CSW transfers of the MSC class
- Read TEST_NUM_SECTORS_TOTAL number of sectors for the mass storage device
- Expect HCD_PIPE_EVENT_URB_DONE for each URB
- Deallocate URBs
- Teardown
*/
#define TEST_NUM_SECTORS_TOTAL 10
#define TEST_NUM_SECTORS_PER_XFER 2
TEST_CASE("Test HCD bulk pipe URBs", "[hcd][ignore]")
{
hcd_port_handle_t port_hdl = test_hcd_setup(); //Setup the HCD and port
usb_speed_t port_speed = test_hcd_wait_for_conn(port_hdl); //Trigger a connection
vTaskDelay(pdMS_TO_TICKS(100)); //Short delay send of SOF (for FS) or EOPs (for LS)
//Enumerate and reset MSC SCSI device
hcd_pipe_handle_t default_pipe = test_hcd_pipe_alloc(port_hdl, NULL, 0, port_speed); //Create a default pipe (using a NULL EP descriptor)
uint8_t dev_addr = test_hcd_enum_device(default_pipe);
mock_msc_reset_req(default_pipe);
//Create BULK IN and BULK OUT pipes for SCSI
hcd_pipe_handle_t bulk_out_pipe = test_hcd_pipe_alloc(port_hdl, &mock_msc_scsi_bulk_out_ep_desc, dev_addr, port_speed);
hcd_pipe_handle_t bulk_in_pipe = test_hcd_pipe_alloc(port_hdl, &mock_msc_scsi_bulk_in_ep_desc, dev_addr, port_speed);
//Create URBs for CBW, Data, and CSW transport. IN Buffer sizes are rounded up to nearest MPS
urb_t *urb_cbw = test_hcd_alloc_urb(0, sizeof(mock_msc_bulk_cbw_t));
urb_t *urb_data = test_hcd_alloc_urb(0, TEST_NUM_SECTORS_PER_XFER * MOCK_MSC_SCSI_SECTOR_SIZE);
urb_t *urb_csw = test_hcd_alloc_urb(0, sizeof(mock_msc_bulk_csw_t) + (mock_msc_scsi_bulk_in_ep_desc.wMaxPacketSize - (sizeof(mock_msc_bulk_csw_t) % mock_msc_scsi_bulk_in_ep_desc.wMaxPacketSize)));
urb_cbw->transfer.num_bytes = sizeof(mock_msc_bulk_cbw_t);
urb_data->transfer.num_bytes = TEST_NUM_SECTORS_PER_XFER * MOCK_MSC_SCSI_SECTOR_SIZE;
urb_csw->transfer.num_bytes = sizeof(mock_msc_bulk_csw_t) + (mock_msc_scsi_bulk_in_ep_desc.wMaxPacketSize - (sizeof(mock_msc_bulk_csw_t) % mock_msc_scsi_bulk_in_ep_desc.wMaxPacketSize));
for (int block_num = 0; block_num < TEST_NUM_SECTORS_TOTAL; block_num += TEST_NUM_SECTORS_PER_XFER) {
//Initialize CBW URB, then send it on the BULK OUT pipe
mock_msc_scsi_init_cbw((mock_msc_bulk_cbw_t *)urb_cbw->transfer.data_buffer, true, block_num, TEST_NUM_SECTORS_PER_XFER, 0xAAAAAAAA);
TEST_ASSERT_EQUAL(ESP_OK, hcd_urb_enqueue(bulk_out_pipe, urb_cbw));
test_hcd_expect_pipe_event(bulk_out_pipe, HCD_PIPE_EVENT_URB_DONE);
TEST_ASSERT_EQUAL(urb_cbw, hcd_urb_dequeue(bulk_out_pipe));
TEST_ASSERT_EQUAL(USB_TRANSFER_STATUS_COMPLETED, urb_cbw->transfer.status);
//Read data through BULK IN pipe
TEST_ASSERT_EQUAL(ESP_OK, hcd_urb_enqueue(bulk_in_pipe, urb_data));
test_hcd_expect_pipe_event(bulk_in_pipe, HCD_PIPE_EVENT_URB_DONE);
TEST_ASSERT_EQUAL(urb_data, hcd_urb_dequeue(bulk_in_pipe));
TEST_ASSERT_EQUAL(USB_TRANSFER_STATUS_COMPLETED, urb_data->transfer.status);
//Read the CSW through BULK IN pipe
TEST_ASSERT_EQUAL(ESP_OK, hcd_urb_enqueue(bulk_in_pipe, urb_csw));
test_hcd_expect_pipe_event(bulk_in_pipe, HCD_PIPE_EVENT_URB_DONE);
TEST_ASSERT_EQUAL(urb_csw, hcd_urb_dequeue(bulk_in_pipe));
TEST_ASSERT_EQUAL(USB_TRANSFER_STATUS_COMPLETED, urb_data->transfer.status);
TEST_ASSERT_EQUAL(sizeof(mock_msc_bulk_csw_t), urb_csw->transfer.actual_num_bytes);
TEST_ASSERT_EQUAL(true, mock_msc_scsi_check_csw((mock_msc_bulk_csw_t *)urb_csw->transfer.data_buffer, 0xAAAAAAAA));
//Print the read data
printf("Block %d to %d:\n", block_num, block_num + TEST_NUM_SECTORS_PER_XFER);
for (int i = 0; i < urb_data->transfer.actual_num_bytes; i++) {
printf("0x%02x,", ((char *)urb_data->transfer.data_buffer)[i]);
}
printf("\n\n");
}
test_hcd_free_urb(urb_cbw);
test_hcd_free_urb(urb_data);
test_hcd_free_urb(urb_csw);
test_hcd_pipe_free(bulk_out_pipe);
test_hcd_pipe_free(bulk_in_pipe);
test_hcd_pipe_free(default_pipe);
//Cleanup
test_hcd_wait_for_disconn(port_hdl, false);
test_hcd_teardown(port_hdl);
}