547 lines
14 KiB
C
547 lines
14 KiB
C
/*
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* The Clear BSD License
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* Copyright (c) 2015 - 2016, Freescale Semiconductor, Inc.
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* Copyright 2016 NXP
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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 (subject to the limitations in the disclaimer below) provided
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* that the following conditions are met:
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*
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* o Redistributions of source code must retain the above copyright notice, this list
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* of conditions and the following disclaimer.
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*
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* o Redistributions in binary form must reproduce the above copyright notice, this
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* list of conditions and the following disclaimer in the documentation and/or
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* other materials provided with the distribution.
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*
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* o Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE GRANTED BY THIS LICENSE.
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "stdint.h"
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#include "usb.h"
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#include "usb_osa.h"
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#include "stdlib.h"
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#include "fsl_device_registers.h"
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#include "fsl_common.h"
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/*******************************************************************************
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* Definitions
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******************************************************************************/
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#define USB_OSA_BM_EVENT_COUNT (4U)
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#define USB_OSA_BM_SEM_COUNT (1U)
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#define USB_OSA_BM_MSGQ_COUNT (1U)
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#define USB_OSA_BM_MSG_COUNT (8U)
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#define USB_OSA_BM_MSG_SIZE (4U)
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/* BM Event status structure */
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typedef struct _usb_osa_event_struct
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{
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uint32_t value; /* Event mask */
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uint32_t flag; /* Event flags, includes auto clear flag */
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uint8_t isUsed; /* Is used */
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} usb_osa_event_struct_t;
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/* BM semaphore status structure */
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typedef struct _usb_osa_sem_struct
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{
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uint32_t value; /* Semaphore count */
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uint8_t isUsed; /* Is used */
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} usb_osa_sem_struct_t;
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/* BM msg status structure */
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typedef struct _usb_osa_msg_struct
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{
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uint32_t msg[USB_OSA_BM_MSG_SIZE]; /* Message entity pointer */
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} usb_osa_msg_struct_t;
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/* BM msgq status structure */
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typedef struct _usb_osa_msgq_struct
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{
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usb_osa_msg_struct_t msgs[USB_OSA_BM_MSG_COUNT]; /* Message entity list */
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uint32_t count; /* Max message entity count */
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uint32_t msgSize; /* Size of each message */
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uint32_t msgCount; /* Valid messages */
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uint32_t index; /* The first empty message entity index */
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uint32_t current; /* The vaild message index */
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uint8_t isUsed; /* Is used */
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} usb_osa_msgq_struct_t;
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/*******************************************************************************
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* Prototypes
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******************************************************************************/
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/*******************************************************************************
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* Variables
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******************************************************************************/
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USB_GLOBAL USB_RAM_ADDRESS_ALIGNMENT(USB_DATA_ALIGN_SIZE) static usb_osa_sem_struct_t
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s_UsbBmSemStruct[USB_OSA_BM_SEM_COUNT];
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USB_GLOBAL USB_RAM_ADDRESS_ALIGNMENT(USB_DATA_ALIGN_SIZE) static usb_osa_event_struct_t
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s_UsbBmEventStruct[USB_OSA_BM_EVENT_COUNT];
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USB_GLOBAL USB_RAM_ADDRESS_ALIGNMENT(USB_DATA_ALIGN_SIZE) static usb_osa_msgq_struct_t
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s_UsbBmMsgqStruct[USB_OSA_BM_MSGQ_COUNT];
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/*******************************************************************************
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* Code
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******************************************************************************/
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void *USB_OsaMemoryAllocate(uint32_t length)
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{
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void *p = (void *)malloc(length);
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uint8_t *temp = (uint8_t *)p;
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if (p)
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{
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for (uint32_t count = 0U; count < length; count++)
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{
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temp[count] = 0U;
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}
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}
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return p;
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}
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void USB_OsaMemoryFree(void *p)
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{
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free(p);
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}
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void USB_OsaEnterCritical(uint32_t *sr)
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{
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*sr = DisableGlobalIRQ();
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__ASM("CPSID I");
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}
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void USB_OsaExitCritical(uint32_t sr)
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{
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EnableGlobalIRQ(sr);
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}
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usb_osa_status_t USB_OsaEventCreate(usb_osa_event_handle *handle, uint32_t flag)
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{
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usb_osa_event_struct_t *event = NULL;
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USB_OSA_SR_ALLOC();
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if (!handle)
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{
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return kStatus_USB_OSA_Error;
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}
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USB_OSA_ENTER_CRITICAL();
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for (uint32_t i = 0; i < USB_OSA_BM_EVENT_COUNT; i++)
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{
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if (0 == s_UsbBmEventStruct[i].isUsed)
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{
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event = &s_UsbBmEventStruct[i];
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break;
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}
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}
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if (NULL == event)
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{
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USB_OSA_EXIT_CRITICAL();
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return kStatus_USB_OSA_Error;
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}
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event->value = 0U;
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event->flag = flag;
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event->isUsed = 1;
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*handle = event;
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USB_OSA_EXIT_CRITICAL();
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return kStatus_USB_OSA_Success;
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}
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usb_osa_status_t USB_OsaEventDestroy(usb_osa_event_handle handle)
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{
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usb_osa_event_struct_t *event = (usb_osa_event_struct_t *)handle;
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USB_OSA_SR_ALLOC();
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if (handle)
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{
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USB_OSA_ENTER_CRITICAL();
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event->isUsed = 0;
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USB_OSA_EXIT_CRITICAL();
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return kStatus_USB_OSA_Success;
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}
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return kStatus_USB_OSA_Error;
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}
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usb_osa_status_t USB_OsaEventSet(usb_osa_event_handle handle, uint32_t bitMask)
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{
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usb_osa_event_struct_t *event = (usb_osa_event_struct_t *)handle;
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USB_OSA_SR_ALLOC();
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if (handle)
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{
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USB_OSA_ENTER_CRITICAL();
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event->value |= bitMask;
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USB_OSA_EXIT_CRITICAL();
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return kStatus_USB_OSA_Success;
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}
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return kStatus_USB_OSA_Error;
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}
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usb_osa_status_t USB_OsaEventWait(
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usb_osa_event_handle handle, uint32_t bitMask, uint32_t flag, uint32_t timeout, uint32_t *bitSet)
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{
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usb_osa_event_struct_t *event = (usb_osa_event_struct_t *)handle;
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uint32_t bits;
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USB_OSA_SR_ALLOC();
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if (handle)
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{
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USB_OSA_ENTER_CRITICAL();
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bits = event->value & bitMask;
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if (flag)
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{
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if (bits != bitMask)
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{
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USB_OSA_EXIT_CRITICAL();
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return kStatus_USB_OSA_TimeOut;
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}
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}
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else
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{
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if (!bits)
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{
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USB_OSA_EXIT_CRITICAL();
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return kStatus_USB_OSA_TimeOut;
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}
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}
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if (bitSet)
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{
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*bitSet = bits;
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}
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if (event->flag)
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{
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event->value &= ~bits;
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}
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USB_OSA_EXIT_CRITICAL();
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return kStatus_USB_OSA_Success;
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}
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return kStatus_USB_OSA_Error;
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}
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usb_osa_status_t USB_OsaEventCheck(usb_osa_event_handle handle, uint32_t bitMask, uint32_t *bitSet)
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{
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usb_osa_event_struct_t *event = (usb_osa_event_struct_t *)handle;
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uint32_t bits;
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USB_OSA_SR_ALLOC();
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if (handle)
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{
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USB_OSA_ENTER_CRITICAL();
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bits = event->value & bitMask;
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if (!bits)
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{
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USB_OSA_EXIT_CRITICAL();
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return kStatus_USB_OSA_Error;
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}
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if (bitSet)
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{
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*bitSet = bits;
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}
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USB_OSA_EXIT_CRITICAL();
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return kStatus_USB_OSA_Success;
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}
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return kStatus_USB_OSA_Error;
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}
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usb_osa_status_t USB_OsaEventClear(usb_osa_event_handle handle, uint32_t bitMask)
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{
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usb_osa_event_struct_t *event = (usb_osa_event_struct_t *)handle;
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uint32_t bits;
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USB_OSA_SR_ALLOC();
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if (handle)
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{
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USB_OSA_ENTER_CRITICAL();
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bits = event->value & bitMask;
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event->value &= ~bits;
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USB_OSA_EXIT_CRITICAL();
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return kStatus_USB_OSA_Success;
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}
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return kStatus_USB_OSA_Error;
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}
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usb_osa_status_t USB_OsaSemCreate(usb_osa_sem_handle *handle, uint32_t count)
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{
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usb_osa_sem_struct_t *sem = NULL;
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USB_OSA_SR_ALLOC();
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if (!handle)
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{
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return kStatus_USB_OSA_Error;
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}
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USB_OSA_ENTER_CRITICAL();
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for (uint32_t i = 0; i < USB_OSA_BM_SEM_COUNT; i++)
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{
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if (0 == s_UsbBmSemStruct[i].isUsed)
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{
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sem = &s_UsbBmSemStruct[i];
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break;
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}
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}
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if (NULL == sem)
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{
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USB_OSA_EXIT_CRITICAL();
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return kStatus_USB_OSA_Error;
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}
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sem->value = count;
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sem->isUsed = 1;
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*handle = sem;
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USB_OSA_EXIT_CRITICAL();
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return kStatus_USB_OSA_Success;
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}
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usb_osa_status_t USB_OsaSemDestroy(usb_osa_sem_handle handle)
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{
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usb_osa_sem_struct_t *sem = (usb_osa_sem_struct_t *)handle;
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USB_OSA_SR_ALLOC();
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if (handle)
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{
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USB_OSA_ENTER_CRITICAL();
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sem->isUsed = 0;
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USB_OSA_EXIT_CRITICAL();
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return kStatus_USB_OSA_Success;
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}
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return kStatus_USB_OSA_Error;
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}
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usb_osa_status_t USB_OsaSemPost(usb_osa_sem_handle handle)
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{
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usb_osa_sem_struct_t *sem = (usb_osa_sem_struct_t *)handle;
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USB_OSA_SR_ALLOC();
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if (!handle)
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{
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return kStatus_USB_OSA_Error;
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}
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USB_OSA_ENTER_CRITICAL();
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sem->value++;
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USB_OSA_EXIT_CRITICAL();
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return kStatus_USB_OSA_Success;
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}
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usb_osa_status_t USB_OsaSemWait(usb_osa_sem_handle handle, uint32_t timeout)
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{
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usb_osa_sem_struct_t *sem = (usb_osa_sem_struct_t *)handle;
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USB_OSA_SR_ALLOC();
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if (!handle)
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{
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return kStatus_USB_OSA_Error;
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}
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USB_OSA_ENTER_CRITICAL();
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if (sem->value)
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{
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sem->value--;
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}
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else
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{
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USB_OSA_EXIT_CRITICAL();
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return kStatus_USB_OSA_TimeOut;
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}
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USB_OSA_EXIT_CRITICAL();
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return kStatus_USB_OSA_Success;
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}
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usb_osa_status_t USB_OsaMutexCreate(usb_osa_mutex_handle *handle)
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{
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if (!handle)
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{
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return kStatus_USB_OSA_Error;
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}
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*handle = (usb_osa_mutex_handle)0xFFFF0000U;
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return kStatus_USB_OSA_Success;
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}
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usb_osa_status_t USB_OsaMutexDestroy(usb_osa_mutex_handle handle)
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{
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return kStatus_USB_OSA_Success;
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}
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usb_osa_status_t USB_OsaMutexLock(usb_osa_mutex_handle handle)
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{
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return kStatus_USB_OSA_Success;
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}
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usb_osa_status_t USB_OsaMutexUnlock(usb_osa_mutex_handle handle)
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{
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return kStatus_USB_OSA_Success;
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}
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usb_osa_status_t USB_OsaMsgqCreate(usb_osa_msgq_handle *handle, uint32_t count, uint32_t size)
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{
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usb_osa_msgq_struct_t *msgq = NULL;
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USB_OSA_SR_ALLOC();
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if (!handle)
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{
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return kStatus_USB_OSA_Error;
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}
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USB_OSA_ENTER_CRITICAL();
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for (uint32_t i = 0; i < USB_OSA_BM_MSGQ_COUNT; i++)
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{
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if (0 == s_UsbBmMsgqStruct[i].isUsed)
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{
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msgq = &s_UsbBmMsgqStruct[i];
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break;
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}
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}
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if ((NULL == msgq) || (count > USB_OSA_BM_MSG_COUNT) || (size > USB_OSA_BM_MSG_SIZE))
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{
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USB_OSA_EXIT_CRITICAL();
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return kStatus_USB_OSA_Error;
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}
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msgq->count = count;
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msgq->msgSize = size;
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msgq->msgCount = 0U;
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msgq->index = 0U;
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msgq->current = 0U;
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msgq->isUsed = 1;
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*handle = msgq;
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USB_OSA_EXIT_CRITICAL();
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return kStatus_USB_OSA_Success;
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}
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usb_osa_status_t USB_OsaMsgqDestroy(usb_osa_msgq_handle handle)
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{
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usb_osa_msgq_struct_t *msgq = (usb_osa_msgq_struct_t *)handle;
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USB_OSA_SR_ALLOC();
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if (!handle)
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{
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return kStatus_USB_OSA_Error;
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}
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USB_OSA_ENTER_CRITICAL();
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msgq->isUsed = 0;
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USB_OSA_EXIT_CRITICAL();
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return kStatus_USB_OSA_Success;
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}
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usb_osa_status_t USB_OsaMsgqSend(usb_osa_msgq_handle handle, void *msg)
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{
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usb_osa_msgq_struct_t *msgq = (usb_osa_msgq_struct_t *)handle;
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usb_osa_msg_struct_t *msgEntity;
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uint32_t *p;
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uint32_t *q;
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uint32_t count;
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USB_OSA_SR_ALLOC();
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if (!handle)
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{
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return kStatus_USB_OSA_Error;
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}
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USB_OSA_ENTER_CRITICAL();
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if (msgq->msgCount >= msgq->count)
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{
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USB_OSA_EXIT_CRITICAL();
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return kStatus_USB_OSA_Error;
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}
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msgEntity = &msgq->msgs[msgq->index];
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p = (uint32_t *)&msgEntity->msg[0];
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q = (uint32_t *)msg;
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for (count = 0U; count < msgq->msgSize; count++)
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{
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p[count] = q[count];
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}
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if (0U == msgq->msgCount)
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{
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msgq->current = msgq->index;
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}
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msgq->msgCount++;
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msgq->index++;
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msgq->index = msgq->index % msgq->count;
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USB_OSA_EXIT_CRITICAL();
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return kStatus_USB_OSA_Success;
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}
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usb_osa_status_t USB_OsaMsgqRecv(usb_osa_msgq_handle handle, void *msg, uint32_t timeout)
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{
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usb_osa_msgq_struct_t *msgq = (usb_osa_msgq_struct_t *)handle;
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usb_osa_msg_struct_t *msgEntity;
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uint32_t *p;
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uint32_t *q;
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uint32_t count;
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USB_OSA_SR_ALLOC();
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if (!handle)
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{
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return kStatus_USB_OSA_Error;
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}
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USB_OSA_ENTER_CRITICAL();
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if (msgq->msgCount < 1U)
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{
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USB_OSA_EXIT_CRITICAL();
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return kStatus_USB_OSA_TimeOut;
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}
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msgEntity = &msgq->msgs[msgq->current];
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q = (uint32_t *)&msgEntity->msg[0];
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p = (uint32_t *)msg;
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for (count = 0U; count < msgq->msgSize; count++)
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{
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p[count] = q[count];
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}
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msgq->msgCount--;
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msgq->current++;
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msgq->current = msgq->current % msgq->count;
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USB_OSA_EXIT_CRITICAL();
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return kStatus_USB_OSA_Success;
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}
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usb_osa_status_t USB_OsaMsgqCheck(usb_osa_msgq_handle handle, void *msg)
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{
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usb_osa_msgq_struct_t *msgq = (usb_osa_msgq_struct_t *)handle;
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uint32_t msgCount;
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USB_OSA_SR_ALLOC();
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if (!handle)
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|
{
|
|
return kStatus_USB_OSA_Error;
|
|
}
|
|
|
|
USB_OSA_ENTER_CRITICAL();
|
|
msgCount = msgq->msgCount;
|
|
USB_OSA_EXIT_CRITICAL();
|
|
|
|
if (msgCount)
|
|
{
|
|
if (kStatus_USB_OSA_Success == USB_OsaMsgqRecv(msgq, msg, 0U))
|
|
{
|
|
return kStatus_USB_OSA_Success;
|
|
}
|
|
}
|
|
|
|
return kStatus_USB_OSA_Error;
|
|
}
|