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add coded to test ehci alignment and structure layout (included bitfield)
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hathach
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168
tests/test/host/ehci/test_ehci.c
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168
tests/test/host/ehci/test_ehci.c
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/*
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* test_ehci.c
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*
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* Created on: Feb 27, 2013
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* Author: hathach
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*/
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/*
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* Software License Agreement (BSD License)
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* Copyright (c) 2012, hathach (tinyusb.net)
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
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* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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* OF SUCH DAMAGE.
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*
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* This file is part of the tiny usb stack.
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*/
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#include "unity.h"
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#include "tusb_option.h"
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#include "errors.h"
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#include "binary.h"
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#include "ehci.h"
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//--------------------------------------------------------------------+
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// Setup/Teardown + helper declare
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//--------------------------------------------------------------------+
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int8_t first_pos_of_high_bit(uint32_t value);
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uint8_t number_of_high_bits(uint32_t value);
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#define BITFIELD_OFFSET_OF_MEMBER(struct_type, member, bitfield_member) \
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({\
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struct_type str;\
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memclr_(&str, sizeof(struct_type));\
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str.member.bitfield_member = 1;\
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first_pos_of_high_bit(str.member);\
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})
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#define BITFIELD_OFFSET_OF_UINT32(struct_type, offset, bitfield_member) \
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({\
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struct_type str;\
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memclr_(&str, sizeof(struct_type));\
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str.bitfield_member = 1;\
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first_pos_of_high_bit( ((uint32_t*) &str)[offset] );\
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})
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void setUp(void)
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{
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}
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void tearDown(void)
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{
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}
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void test_struct_alignment(void)
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{
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TEST_ASSERT_EQUAL( 32, __alignof__(ehci_qhd_t) );
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// TEST_ASSERT_EQUAL( 32, __alignof__(ehci_qtd_t) ); ehci_qtd_t is used to declare overlay variable in qhd --> cannot declare with ATTR_ALIGNED(32)
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TEST_ASSERT_EQUAL( 32, __alignof__(ehci_itd_t) );
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TEST_ASSERT_EQUAL( 32, __alignof__(ehci_sitd_t) );
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}
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void test_struct_size(void)
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{
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TEST_ASSERT_EQUAL( 64, sizeof(ehci_qhd_t) );
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TEST_ASSERT_EQUAL( 32, sizeof(ehci_qtd_t) );
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TEST_ASSERT_EQUAL( 64, sizeof(ehci_itd_t) );
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TEST_ASSERT_EQUAL( 32, sizeof(ehci_sitd_t) );
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TEST_ASSERT_EQUAL( 4, sizeof(ehci_link_t) );
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}
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void test_qtd_structure(void)
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{
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TEST_ASSERT_EQUAL( 0, offsetof(ehci_qtd_t, next));
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TEST_ASSERT_EQUAL( 4, offsetof(ehci_qtd_t, alternate));
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//------------- Word 2 -------------//
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TEST_ASSERT_EQUAL( 0, BITFIELD_OFFSET_OF_UINT32(ehci_qtd_t, 2, pingstate_err) );
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TEST_ASSERT_EQUAL( 1, BITFIELD_OFFSET_OF_UINT32(ehci_qtd_t, 2, split_state) );
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TEST_ASSERT_EQUAL( 2, BITFIELD_OFFSET_OF_UINT32(ehci_qtd_t, 2, missed_uframe));
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TEST_ASSERT_EQUAL( 3, BITFIELD_OFFSET_OF_UINT32(ehci_qtd_t, 2, xact_err) );
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TEST_ASSERT_EQUAL( 4, BITFIELD_OFFSET_OF_UINT32(ehci_qtd_t, 2, babble_err) );
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TEST_ASSERT_EQUAL( 5, BITFIELD_OFFSET_OF_UINT32(ehci_qtd_t, 2, buffer_err) );
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TEST_ASSERT_EQUAL( 6, BITFIELD_OFFSET_OF_UINT32(ehci_qtd_t, 2, halted) );
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TEST_ASSERT_EQUAL( 7, BITFIELD_OFFSET_OF_UINT32(ehci_qtd_t, 2, active) );
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TEST_ASSERT_EQUAL( 8, BITFIELD_OFFSET_OF_UINT32(ehci_qtd_t, 2, pid) );
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TEST_ASSERT_EQUAL( 10, BITFIELD_OFFSET_OF_UINT32(ehci_qtd_t, 2, cerr) );
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TEST_ASSERT_EQUAL( 12, BITFIELD_OFFSET_OF_UINT32(ehci_qtd_t, 2, current_page) );
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TEST_ASSERT_EQUAL( 15, BITFIELD_OFFSET_OF_UINT32(ehci_qtd_t, 2, int_on_complete) );
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TEST_ASSERT_EQUAL( 16, BITFIELD_OFFSET_OF_UINT32(ehci_qtd_t, 2, total_bytes) );
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TEST_ASSERT_EQUAL( 31, BITFIELD_OFFSET_OF_UINT32(ehci_qtd_t, 2, data_toggle) );
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TEST_ASSERT_EQUAL( 12, offsetof(ehci_qtd_t, buffer));
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}
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void test_qhd_structure(void)
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{
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TEST_ASSERT_EQUAL( 0, offsetof(ehci_qhd_t, next));
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//------------- Word 1 -------------//
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TEST_ASSERT_EQUAL( 0, BITFIELD_OFFSET_OF_UINT32(ehci_qhd_t, 1, device_address) );
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TEST_ASSERT_EQUAL( 7, BITFIELD_OFFSET_OF_UINT32(ehci_qhd_t, 1, inactive_next_xact) );
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TEST_ASSERT_EQUAL( 8, BITFIELD_OFFSET_OF_UINT32(ehci_qhd_t, 1, endpoint_number) );
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TEST_ASSERT_EQUAL( 12, BITFIELD_OFFSET_OF_UINT32(ehci_qhd_t, 1, endpoint_speed) );
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TEST_ASSERT_EQUAL( 14, BITFIELD_OFFSET_OF_UINT32(ehci_qhd_t, 1, data_toggle_control) );
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TEST_ASSERT_EQUAL( 15, BITFIELD_OFFSET_OF_UINT32(ehci_qhd_t, 1, head_list_flag) );
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TEST_ASSERT_EQUAL( 16, BITFIELD_OFFSET_OF_UINT32(ehci_qhd_t, 1, max_package_size) );
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TEST_ASSERT_EQUAL( 27, BITFIELD_OFFSET_OF_UINT32(ehci_qhd_t, 1, control_endpoint_flag) );
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TEST_ASSERT_EQUAL( 28, BITFIELD_OFFSET_OF_UINT32(ehci_qhd_t, 1, nak_count_reload) );
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//------------- Word 2 -------------//
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TEST_ASSERT_EQUAL( 0, BITFIELD_OFFSET_OF_UINT32(ehci_qhd_t, 2, smask) );
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TEST_ASSERT_EQUAL( 8, BITFIELD_OFFSET_OF_UINT32(ehci_qhd_t, 2, cmask) );
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TEST_ASSERT_EQUAL( 16, BITFIELD_OFFSET_OF_UINT32(ehci_qhd_t, 2, hub_address) );
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TEST_ASSERT_EQUAL( 23, BITFIELD_OFFSET_OF_UINT32(ehci_qhd_t, 2, port_number) );
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TEST_ASSERT_EQUAL( 30, BITFIELD_OFFSET_OF_UINT32(ehci_qhd_t, 2, mult) );
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TEST_ASSERT_EQUAL( 3*4, offsetof(ehci_qhd_t, qtd_addr));
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TEST_ASSERT_EQUAL( 4*4, offsetof(ehci_qhd_t, qtd_overlay));
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}
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//--------------------------------------------------------------------+
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// Helper
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//--------------------------------------------------------------------+
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int8_t first_pos_of_high_bit(uint32_t value)
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{
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for (int8_t i=0; i<32; i++)
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{
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if (value & BIT_(i))
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return i;
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}
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return (-1);
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}
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uint8_t number_of_high_bits(uint32_t value)
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{
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uint8_t result=0;
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for(uint8_t i=0; i<32; i++)
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{
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if (value & BIT_(i))
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result++;
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}
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return result;
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}
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@ -124,7 +124,7 @@ tusb_error_t usbh_control_xfer_subtask(uint8_t dev_addr, tusb_std_request_t cons
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//--------------------------------------------------------------------+
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// ENUMERATION TASK
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//--------------------------------------------------------------------+
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//void usbh_enumeration_task(void)
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//TODO reduce Cyclomatic Complexity
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OSAL_TASK_DECLARE(usbh_enumeration_task)
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{
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tusb_error_t error;
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