add coded to test ehci alignment and structure layout (included bitfield)

This commit is contained in:
hathach 2013-02-27 16:19:40 +07:00
parent b1d33c7ffc
commit a6fac7180c
2 changed files with 169 additions and 1 deletions

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

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@ -124,7 +124,7 @@ tusb_error_t usbh_control_xfer_subtask(uint8_t dev_addr, tusb_std_request_t cons
//--------------------------------------------------------------------+
// ENUMERATION TASK
//--------------------------------------------------------------------+
//void usbh_enumeration_task(void)
//TODO reduce Cyclomatic Complexity
OSAL_TASK_DECLARE(usbh_enumeration_task)
{
tusb_error_t error;