2021-03-11 12:50:05 +00:00
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// Copyright 2015-2020 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <stdio.h>
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#include "freertos/FreeRTOS.h"
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#include "freertos/semphr.h"
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#include "unity.h"
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#include "test_utils.h"
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#include "test_hcd_common.h"
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#define TEST_DEV_ADDR 0
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#define NUM_URBS 3
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#define TRANSFER_MAX_BYTES 256
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#define URB_DATA_BUFF_SIZE (sizeof(usb_setup_packet_t) + TRANSFER_MAX_BYTES) //256 is worst case size for configuration descriptors
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2021-03-11 12:50:05 +00:00
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/*
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2021-06-09 13:49:08 +00:00
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Test HCD control pipe URBs (normal completion and early abort)
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2021-03-11 12:50:05 +00:00
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Purpose:
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- Test that a control pipe can be created
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- URBs can be created and enqueued to the control pipe
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- Control pipe returns HCD_PIPE_EVENT_URB_DONE
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- Test that URBs can be aborted when enqueued
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Procedure:
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- Setup HCD and wait for connection
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- Setup default pipe and allocate URBs
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- Enqueue URBs
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- Expect HCD_PIPE_EVENT_URB_DONE
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- Requeue URBs, but abort them immediately
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- Expect URB to be USB_TRANSFER_STATUS_CANCELED or USB_TRANSFER_STATUS_COMPLETED
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- Teardown
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*/
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TEST_CASE("Test HCD control pipe URBs", "[hcd][ignore]")
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{
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hcd_port_handle_t port_hdl = test_hcd_setup(); //Setup the HCD and port
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usb_speed_t port_speed = test_hcd_wait_for_conn(port_hdl); //Trigger a connection
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vTaskDelay(pdMS_TO_TICKS(100)); //Short delay send of SOF (for FS) or EOPs (for LS)
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//Allocate some URBs and initialize their data buffers with control transfers
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hcd_pipe_handle_t default_pipe = test_hcd_pipe_alloc(port_hdl, NULL, TEST_DEV_ADDR, port_speed); //Create a default pipe (using a NULL EP descriptor)
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urb_t *urb_list[NUM_URBS];
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for (int i = 0; i < NUM_URBS; i++) {
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urb_list[i] = test_hcd_alloc_urb(0, URB_DATA_BUFF_SIZE);
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//Initialize with a "Get Config Descriptor request"
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urb_list[i]->transfer.num_bytes = sizeof(usb_setup_packet_t) + TRANSFER_MAX_BYTES;
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USB_SETUP_PACKET_INIT_GET_CONFIG_DESC((usb_setup_packet_t *)urb_list[i]->transfer.data_buffer, 0, TRANSFER_MAX_BYTES);
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urb_list[i]->transfer.context = URB_CONTEXT_VAL;
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}
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//Enqueue URBs but immediately suspend the port
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printf("Enqueuing URBs\n");
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for (int i = 0; i < NUM_URBS; i++) {
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TEST_ASSERT_EQUAL(ESP_OK, hcd_urb_enqueue(default_pipe, urb_list[i]));
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}
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//Wait for each done event of each URB
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for (int i = 0; i < NUM_URBS; i++) {
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test_hcd_expect_pipe_event(default_pipe, HCD_PIPE_EVENT_URB_DONE);
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}
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//Dequeue URBs, check, and print
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for (int i = 0; i < NUM_URBS; i++) {
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urb_t *urb = hcd_urb_dequeue(default_pipe);
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TEST_ASSERT_EQUAL(urb_list[i], urb);
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TEST_ASSERT_EQUAL(USB_TRANSFER_STATUS_COMPLETED, urb->transfer.status);
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TEST_ASSERT_EQUAL(URB_CONTEXT_VAL, urb->transfer.context);
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//We must have transmitted at least the setup packet, but device may return less than bytes requested
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TEST_ASSERT_GREATER_OR_EQUAL(sizeof(usb_setup_packet_t), urb->transfer.actual_num_bytes);
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TEST_ASSERT_LESS_OR_EQUAL(urb->transfer.num_bytes, urb->transfer.actual_num_bytes);
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usb_config_desc_t *config_desc = (usb_config_desc_t *)(urb->transfer.data_buffer + sizeof(usb_setup_packet_t));
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TEST_ASSERT_EQUAL(USB_B_DESCRIPTOR_TYPE_CONFIGURATION , config_desc->bDescriptorType);
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printf("Config Desc wTotalLength %d\n", config_desc->wTotalLength);
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}
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//Enqueue URBs again but abort them short after
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for (int i = 0; i < NUM_URBS; i++) {
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TEST_ASSERT_EQUAL(ESP_OK, hcd_urb_enqueue(default_pipe, urb_list[i]));
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}
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for (int i = 0; i < NUM_URBS; i++) {
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TEST_ASSERT_EQUAL(ESP_OK, hcd_urb_abort(urb_list[i]));
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}
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vTaskDelay(pdMS_TO_TICKS(100)); //Give some time for any inflight transfers to complete
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2021-06-09 13:49:08 +00:00
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//Wait for the URBs to complete and dequeue them, then check results
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//Dequeue URBs
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for (int i = 0; i < NUM_URBS; i++) {
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urb_t *urb = hcd_urb_dequeue(default_pipe);
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//No need to check for URB pointer address as they may be out of order
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TEST_ASSERT(urb->transfer.status == USB_TRANSFER_STATUS_COMPLETED || urb->transfer.status == USB_TRANSFER_STATUS_CANCELED);
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if (urb->transfer.status == USB_TRANSFER_STATUS_COMPLETED) {
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//We must have transmitted at least the setup packet, but device may return less than bytes requested
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TEST_ASSERT_GREATER_OR_EQUAL(sizeof(usb_setup_packet_t), urb->transfer.actual_num_bytes);
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TEST_ASSERT_LESS_OR_EQUAL(urb->transfer.num_bytes, urb->transfer.actual_num_bytes);
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} else {
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//A failed transfer should 0 actual number of bytes transmitted
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TEST_ASSERT_EQUAL(0, urb->transfer.actual_num_bytes);
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}
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TEST_ASSERT_EQUAL(urb->transfer.context, URB_CONTEXT_VAL);
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}
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//Free URB list and pipe
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for (int i = 0; i < NUM_URBS; i++) {
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test_hcd_free_urb(urb_list[i]);
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}
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test_hcd_pipe_free(default_pipe);
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//Cleanup
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test_hcd_wait_for_disconn(port_hdl, false);
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test_hcd_teardown(port_hdl);
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}
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/*
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Test HCD control pipe STALL condition, abort, and clear
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Purpose:
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- Test that a control pipe can react to a STALL (i.e., a HCD_PIPE_EVENT_ERROR_STALL event)
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- The HCD_PIPE_CMD_FLUSH can retire all URBs
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- Pipe clear command can return the pipe to being active
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Procedure:
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- Setup HCD and wait for connection
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- Setup default pipe and allocate URBs
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- Corrupt the first URB so that it will trigger a STALL, then enqueue all the URBs
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- Check that a HCD_PIPE_EVENT_ERROR_STALL event is triggered
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- Check that all URBs can be retired using HCD_PIPE_CMD_FLUSH, a HCD_PIPE_EVENT_URB_DONE event should be generated
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- Check that the STALL can be cleared by using HCD_PIPE_CMD_CLEAR
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- Fix the corrupt first URB and retry the URBs
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- Dequeue URBs
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- Teardown
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*/
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TEST_CASE("Test HCD control pipe STALL", "[hcd][ignore]")
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{
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hcd_port_handle_t port_hdl = test_hcd_setup(); //Setup the HCD and port
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usb_speed_t port_speed = test_hcd_wait_for_conn(port_hdl); //Trigger a connection
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vTaskDelay(pdMS_TO_TICKS(100)); //Short delay send of SOF (for FS) or EOPs (for LS)
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2021-06-09 13:49:08 +00:00
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//Allocate some URBs and initialize their data buffers with control transfers
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hcd_pipe_handle_t default_pipe = test_hcd_pipe_alloc(port_hdl, NULL, TEST_DEV_ADDR, port_speed); //Create a default pipe (using a NULL EP descriptor)
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urb_t *urb_list[NUM_URBS];
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for (int i = 0; i < NUM_URBS; i++) {
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urb_list[i] = test_hcd_alloc_urb(0, URB_DATA_BUFF_SIZE);
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//Initialize with a "Get Config Descriptor request"
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urb_list[i]->transfer.num_bytes = sizeof(usb_setup_packet_t) + TRANSFER_MAX_BYTES;
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USB_SETUP_PACKET_INIT_GET_CONFIG_DESC((usb_setup_packet_t *)urb_list[i]->transfer.data_buffer, 0, TRANSFER_MAX_BYTES);
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urb_list[i]->transfer.context = URB_CONTEXT_VAL;
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}
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//Corrupt the first URB so that it triggers a STALL
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((usb_setup_packet_t *)urb_list[0]->transfer.data_buffer)->bRequest = 0xAA;
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//Enqueue URBs. A STALL should occur
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int num_enqueued = 0;
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for (int i = 0; i < NUM_URBS; i++) {
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if (hcd_urb_enqueue(default_pipe, urb_list[i]) != ESP_OK) {
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//STALL may occur before we are done enqueing
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break;
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}
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num_enqueued++;
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}
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TEST_ASSERT_GREATER_THAN(0, num_enqueued);
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printf("Expecting STALL\n");
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test_hcd_expect_pipe_event(default_pipe, HCD_PIPE_EVENT_ERROR_STALL);
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TEST_ASSERT_EQUAL(HCD_PIPE_STATE_HALTED, hcd_pipe_get_state(default_pipe));
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//Call the pipe abort command to retire all URBs then dequeue them all
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TEST_ASSERT_EQUAL(ESP_OK, hcd_pipe_command(default_pipe, HCD_PIPE_CMD_FLUSH));
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test_hcd_expect_pipe_event(default_pipe, HCD_PIPE_EVENT_URB_DONE);
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for (int i = 0; i < num_enqueued; i++) {
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urb_t *urb = hcd_urb_dequeue(default_pipe);
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TEST_ASSERT_EQUAL(urb_list[i], urb);
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TEST_ASSERT(urb->transfer.status == USB_TRANSFER_STATUS_STALL || urb->transfer.status == USB_TRANSFER_STATUS_CANCELED);
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if (urb->transfer.status == USB_TRANSFER_STATUS_COMPLETED) {
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//We must have transmitted at least the setup packet, but device may return less than bytes requested
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TEST_ASSERT_GREATER_OR_EQUAL(sizeof(usb_setup_packet_t), urb->transfer.actual_num_bytes);
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TEST_ASSERT_LESS_OR_EQUAL(urb->transfer.num_bytes, urb->transfer.actual_num_bytes);
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} else {
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//A failed transfer should 0 actual number of bytes transmitted
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TEST_ASSERT_EQUAL(0, urb->transfer.actual_num_bytes);
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}
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TEST_ASSERT_EQUAL(URB_CONTEXT_VAL, urb->transfer.context);
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}
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//Call the clear command to un-stall the pipe
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TEST_ASSERT_EQUAL(ESP_OK, hcd_pipe_command(default_pipe, HCD_PIPE_CMD_CLEAR));
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TEST_ASSERT_EQUAL(HCD_PIPE_STATE_ACTIVE, hcd_pipe_get_state(default_pipe));
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printf("Retrying\n");
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//Correct first URB then requeue
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USB_SETUP_PACKET_INIT_GET_CONFIG_DESC((usb_setup_packet_t *)urb_list[0]->transfer.data_buffer, 0, TRANSFER_MAX_BYTES);
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for (int i = 0; i < NUM_URBS; i++) {
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TEST_ASSERT_EQUAL(ESP_OK, hcd_urb_enqueue(default_pipe, urb_list[i]));
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}
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2021-06-09 13:49:08 +00:00
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//Wait for each URB to be done, deequeue, and check results
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for (int i = 0; i < NUM_URBS; i++) {
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test_hcd_expect_pipe_event(default_pipe, HCD_PIPE_EVENT_URB_DONE);
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//expect_pipe_event(pipe_evt_queue, default_pipe, HCD_PIPE_EVENT_URB_DONE);
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urb_t *urb = hcd_urb_dequeue(default_pipe);
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TEST_ASSERT_EQUAL(urb_list[i], urb);
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TEST_ASSERT_EQUAL(USB_TRANSFER_STATUS_COMPLETED, urb->transfer.status);
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TEST_ASSERT_EQUAL(URB_CONTEXT_VAL, urb->transfer.context);
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2021-08-24 15:20:50 +00:00
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//We must have transmitted at least the setup packet, but device may return less than bytes requested
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TEST_ASSERT_GREATER_OR_EQUAL(sizeof(usb_setup_packet_t), urb->transfer.actual_num_bytes);
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TEST_ASSERT_LESS_OR_EQUAL(urb->transfer.num_bytes, urb->transfer.actual_num_bytes);
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usb_config_desc_t *config_desc = (usb_config_desc_t *)(urb->transfer.data_buffer + sizeof(usb_setup_packet_t));
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TEST_ASSERT_EQUAL(USB_B_DESCRIPTOR_TYPE_CONFIGURATION , config_desc->bDescriptorType);
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printf("Config Desc wTotalLength %d\n", config_desc->wTotalLength);
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}
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2021-06-09 13:49:08 +00:00
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//Free URB list and pipe
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for (int i = 0; i < NUM_URBS; i++) {
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test_hcd_free_urb(urb_list[i]);
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}
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test_hcd_pipe_free(default_pipe);
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//Cleanup
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test_hcd_wait_for_disconn(port_hdl, false);
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test_hcd_teardown(port_hdl);
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}
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/*
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Test control pipe run-time halt and clear
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Purpose:
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- Test that a control pipe can be halted with HCD_PIPE_CMD_HALT whilst there are ongoing URBs
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- Test that a control pipe can be un-halted with a HCD_PIPE_CMD_CLEAR
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- Test that enqueued URBs are resumed when pipe is un-halted
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Procedure:
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- Setup HCD and wait for connection
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2021-06-09 13:49:08 +00:00
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- Setup default pipe and allocate URBs
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2021-08-24 15:20:50 +00:00
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- Enqqueue URBs but execute a HCD_PIPE_CMD_HALT command immediately after.
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- Halt command should immediately halt the current URB and generate a HCD_PIPE_EVENT_URB_DONE
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- Other pending URBs should be untouched.
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- Un-halt the pipe using a HCD_PIPE_CMD_CLEAR command. Enqueued URBs will be resumed
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2021-06-09 13:49:08 +00:00
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- Check that all URBs have completed successfully
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- Dequeue URBs and teardown
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2021-03-11 12:50:05 +00:00
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*/
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TEST_CASE("Test HCD control pipe runtime halt and clear", "[hcd][ignore]")
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{
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hcd_port_handle_t port_hdl = test_hcd_setup(); //Setup the HCD and port
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usb_speed_t port_speed = test_hcd_wait_for_conn(port_hdl); //Trigger a connection
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vTaskDelay(pdMS_TO_TICKS(100)); //Short delay send of SOF (for FS) or EOPs (for LS)
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2021-06-09 13:49:08 +00:00
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//Allocate some URBs and initialize their data buffers with control transfers
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2021-03-11 12:50:05 +00:00
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hcd_pipe_handle_t default_pipe = test_hcd_pipe_alloc(port_hdl, NULL, TEST_DEV_ADDR, port_speed); //Create a default pipe (using a NULL EP descriptor)
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2021-06-09 13:49:08 +00:00
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urb_t *urb_list[NUM_URBS];
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for (int i = 0; i < NUM_URBS; i++) {
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urb_list[i] = test_hcd_alloc_urb(0, URB_DATA_BUFF_SIZE);
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2021-03-11 12:50:05 +00:00
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//Initialize with a "Get Config Descriptor request"
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2021-08-24 15:20:50 +00:00
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urb_list[i]->transfer.num_bytes = sizeof(usb_setup_packet_t) + TRANSFER_MAX_BYTES;
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USB_SETUP_PACKET_INIT_GET_CONFIG_DESC((usb_setup_packet_t *)urb_list[i]->transfer.data_buffer, 0, TRANSFER_MAX_BYTES);
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2021-06-09 13:49:08 +00:00
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urb_list[i]->transfer.context = URB_CONTEXT_VAL;
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2021-03-11 12:50:05 +00:00
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}
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2021-06-09 13:49:08 +00:00
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//Enqueue URBs but immediately halt the pipe
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printf("Enqueuing URBs\n");
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for (int i = 0; i < NUM_URBS; i++) {
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TEST_ASSERT_EQUAL(ESP_OK, hcd_urb_enqueue(default_pipe, urb_list[i]));
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2021-03-11 12:50:05 +00:00
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}
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TEST_ASSERT_EQUAL(ESP_OK, hcd_pipe_command(default_pipe, HCD_PIPE_CMD_HALT));
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2021-08-24 15:20:50 +00:00
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test_hcd_expect_pipe_event(default_pipe, HCD_PIPE_EVENT_URB_DONE);
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2021-03-11 12:50:05 +00:00
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TEST_ASSERT_EQUAL(HCD_PIPE_STATE_HALTED, hcd_pipe_get_state(default_pipe));
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printf("Pipe halted\n");
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//Un-halt the pipe
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TEST_ASSERT_EQUAL(ESP_OK, hcd_pipe_command(default_pipe, HCD_PIPE_CMD_CLEAR));
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TEST_ASSERT_EQUAL(HCD_PIPE_STATE_ACTIVE, hcd_pipe_get_state(default_pipe));
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printf("Pipe cleared\n");
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vTaskDelay(pdMS_TO_TICKS(100)); //Give some time pending for transfers to restart and complete
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2021-06-09 13:49:08 +00:00
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//Wait for each URB to be done, dequeue, and check results
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for (int i = 0; i < NUM_URBS; i++) {
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urb_t *urb = hcd_urb_dequeue(default_pipe);
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TEST_ASSERT_EQUAL(urb_list[i], urb);
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2021-08-24 15:20:50 +00:00
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TEST_ASSERT(urb->transfer.status == USB_TRANSFER_STATUS_COMPLETED || urb->transfer.status == USB_TRANSFER_STATUS_CANCELED);
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if (urb->transfer.status == USB_TRANSFER_STATUS_COMPLETED) {
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//We must have transmitted at least the setup packet, but device may return less than bytes requested
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TEST_ASSERT_GREATER_OR_EQUAL(sizeof(usb_setup_packet_t), urb->transfer.actual_num_bytes);
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TEST_ASSERT_LESS_OR_EQUAL(urb->transfer.num_bytes, urb->transfer.actual_num_bytes);
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usb_config_desc_t *config_desc = (usb_config_desc_t *)(urb->transfer.data_buffer + sizeof(usb_setup_packet_t));
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TEST_ASSERT_EQUAL(USB_B_DESCRIPTOR_TYPE_CONFIGURATION , config_desc->bDescriptorType);
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printf("Config Desc wTotalLength %d\n", config_desc->wTotalLength);
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} else {
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//A failed transfer should 0 actual number of bytes transmitted
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TEST_ASSERT_EQUAL(0, urb->transfer.actual_num_bytes);
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}
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2021-06-09 13:49:08 +00:00
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TEST_ASSERT_EQUAL(URB_CONTEXT_VAL, urb->transfer.context);
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2021-03-11 12:50:05 +00:00
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}
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2021-06-09 13:49:08 +00:00
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//Free URB list and pipe
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for (int i = 0; i < NUM_URBS; i++) {
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test_hcd_free_urb(urb_list[i]);
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2021-03-11 12:50:05 +00:00
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}
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test_hcd_pipe_free(default_pipe);
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//Cleanup
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test_hcd_wait_for_disconn(port_hdl, false);
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test_hcd_teardown(port_hdl);
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}
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