RabbitECUTeensyMCUXpresso/osa/usb_osa_bm.c

523 lines
12 KiB
C

/*
* Copyright (c) 2015 - 2016, Freescale Semiconductor, Inc.
* Copyright 2016 NXP
* All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include "stdint.h"
#include "usb.h"
#include "usb_osa.h"
#include "stdlib.h"
#include "fsl_device_registers.h"
#include "fsl_common.h"
/*******************************************************************************
* Definitions
******************************************************************************/
#define USB_OSA_BM_EVENT_COUNT (4U)
#define USB_OSA_BM_SEM_COUNT (1U)
#define USB_OSA_BM_MSGQ_COUNT (1U)
#define USB_OSA_BM_MSG_COUNT (8U)
#define USB_OSA_BM_MSG_SIZE (4U)
/* BM Event status structure */
typedef struct _usb_osa_event_struct
{
uint32_t value; /* Event mask */
uint32_t flag; /* Event flags, includes auto clear flag */
uint8_t isUsed; /* Is used */
} usb_osa_event_struct_t;
/* BM semaphore status structure */
typedef struct _usb_osa_sem_struct
{
uint32_t value; /* Semaphore count */
uint8_t isUsed; /* Is used */
} usb_osa_sem_struct_t;
/* BM msg status structure */
typedef struct _usb_osa_msg_struct
{
uint32_t msg[USB_OSA_BM_MSG_SIZE]; /* Message entity pointer */
} usb_osa_msg_struct_t;
/* BM msgq status structure */
typedef struct _usb_osa_msgq_struct
{
usb_osa_msg_struct_t msgs[USB_OSA_BM_MSG_COUNT]; /* Message entity list */
uint32_t count; /* Max message entity count */
uint32_t msgSize; /* Size of each message */
uint32_t msgCount; /* Valid messages */
uint32_t index; /* The first empty message entity index */
uint32_t current; /* The vaild message index */
uint8_t isUsed; /* Is used */
} usb_osa_msgq_struct_t;
/*******************************************************************************
* Prototypes
******************************************************************************/
/*******************************************************************************
* Variables
******************************************************************************/
USB_GLOBAL USB_RAM_ADDRESS_ALIGNMENT(USB_DATA_ALIGN_SIZE) static usb_osa_sem_struct_t
s_UsbBmSemStruct[USB_OSA_BM_SEM_COUNT];
USB_GLOBAL USB_RAM_ADDRESS_ALIGNMENT(USB_DATA_ALIGN_SIZE) static usb_osa_event_struct_t
s_UsbBmEventStruct[USB_OSA_BM_EVENT_COUNT];
USB_GLOBAL USB_RAM_ADDRESS_ALIGNMENT(USB_DATA_ALIGN_SIZE) static usb_osa_msgq_struct_t
s_UsbBmMsgqStruct[USB_OSA_BM_MSGQ_COUNT];
/*******************************************************************************
* Code
******************************************************************************/
void *USB_OsaMemoryAllocate(uint32_t length)
{
void *p = (void *)malloc(length);
uint8_t *temp = (uint8_t *)p;
if (p)
{
for (uint32_t count = 0U; count < length; count++)
{
temp[count] = 0U;
}
}
return p;
}
void USB_OsaMemoryFree(void *p)
{
free(p);
}
void USB_OsaEnterCritical(uint32_t *sr)
{
*sr = DisableGlobalIRQ();
__ASM("CPSID i");
}
void USB_OsaExitCritical(uint32_t sr)
{
EnableGlobalIRQ(sr);
}
usb_osa_status_t USB_OsaEventCreate(usb_osa_event_handle *handle, uint32_t flag)
{
usb_osa_event_struct_t *event = NULL;
USB_OSA_SR_ALLOC();
if (!handle)
{
return kStatus_USB_OSA_Error;
}
USB_OSA_ENTER_CRITICAL();
for (uint32_t i = 0; i < USB_OSA_BM_EVENT_COUNT; i++)
{
if (0 == s_UsbBmEventStruct[i].isUsed)
{
event = &s_UsbBmEventStruct[i];
break;
}
}
if (NULL == event)
{
USB_OSA_EXIT_CRITICAL();
return kStatus_USB_OSA_Error;
}
event->value = 0U;
event->flag = flag;
event->isUsed = 1;
*handle = event;
USB_OSA_EXIT_CRITICAL();
return kStatus_USB_OSA_Success;
}
usb_osa_status_t USB_OsaEventDestroy(usb_osa_event_handle handle)
{
usb_osa_event_struct_t *event = (usb_osa_event_struct_t *)handle;
USB_OSA_SR_ALLOC();
if (handle)
{
USB_OSA_ENTER_CRITICAL();
event->isUsed = 0;
USB_OSA_EXIT_CRITICAL();
return kStatus_USB_OSA_Success;
}
return kStatus_USB_OSA_Error;
}
usb_osa_status_t USB_OsaEventSet(usb_osa_event_handle handle, uint32_t bitMask)
{
usb_osa_event_struct_t *event = (usb_osa_event_struct_t *)handle;
USB_OSA_SR_ALLOC();
if (handle)
{
USB_OSA_ENTER_CRITICAL();
event->value |= bitMask;
USB_OSA_EXIT_CRITICAL();
return kStatus_USB_OSA_Success;
}
return kStatus_USB_OSA_Error;
}
usb_osa_status_t USB_OsaEventWait(
usb_osa_event_handle handle, uint32_t bitMask, uint32_t flag, uint32_t timeout, uint32_t *bitSet)
{
usb_osa_event_struct_t *event = (usb_osa_event_struct_t *)handle;
uint32_t bits;
USB_OSA_SR_ALLOC();
if (handle)
{
USB_OSA_ENTER_CRITICAL();
bits = event->value & bitMask;
if (flag)
{
if (bits != bitMask)
{
USB_OSA_EXIT_CRITICAL();
return kStatus_USB_OSA_TimeOut;
}
}
else
{
if (!bits)
{
USB_OSA_EXIT_CRITICAL();
return kStatus_USB_OSA_TimeOut;
}
}
if (bitSet)
{
*bitSet = bits;
}
if (event->flag)
{
event->value &= ~bits;
}
USB_OSA_EXIT_CRITICAL();
return kStatus_USB_OSA_Success;
}
return kStatus_USB_OSA_Error;
}
usb_osa_status_t USB_OsaEventCheck(usb_osa_event_handle handle, uint32_t bitMask, uint32_t *bitSet)
{
usb_osa_event_struct_t *event = (usb_osa_event_struct_t *)handle;
uint32_t bits;
USB_OSA_SR_ALLOC();
if (handle)
{
USB_OSA_ENTER_CRITICAL();
bits = event->value & bitMask;
if (!bits)
{
USB_OSA_EXIT_CRITICAL();
return kStatus_USB_OSA_Error;
}
if (bitSet)
{
*bitSet = bits;
}
USB_OSA_EXIT_CRITICAL();
return kStatus_USB_OSA_Success;
}
return kStatus_USB_OSA_Error;
}
usb_osa_status_t USB_OsaEventClear(usb_osa_event_handle handle, uint32_t bitMask)
{
usb_osa_event_struct_t *event = (usb_osa_event_struct_t *)handle;
uint32_t bits;
USB_OSA_SR_ALLOC();
if (handle)
{
USB_OSA_ENTER_CRITICAL();
bits = event->value & bitMask;
event->value &= ~bits;
USB_OSA_EXIT_CRITICAL();
return kStatus_USB_OSA_Success;
}
return kStatus_USB_OSA_Error;
}
usb_osa_status_t USB_OsaSemCreate(usb_osa_sem_handle *handle, uint32_t count)
{
usb_osa_sem_struct_t *sem = NULL;
USB_OSA_SR_ALLOC();
if (!handle)
{
return kStatus_USB_OSA_Error;
}
USB_OSA_ENTER_CRITICAL();
for (uint32_t i = 0; i < USB_OSA_BM_SEM_COUNT; i++)
{
if (0 == s_UsbBmSemStruct[i].isUsed)
{
sem = &s_UsbBmSemStruct[i];
break;
}
}
if (NULL == sem)
{
USB_OSA_EXIT_CRITICAL();
return kStatus_USB_OSA_Error;
}
sem->value = count;
sem->isUsed = 1;
*handle = sem;
USB_OSA_EXIT_CRITICAL();
return kStatus_USB_OSA_Success;
}
usb_osa_status_t USB_OsaSemDestroy(usb_osa_sem_handle handle)
{
usb_osa_sem_struct_t *sem = (usb_osa_sem_struct_t *)handle;
USB_OSA_SR_ALLOC();
if (handle)
{
USB_OSA_ENTER_CRITICAL();
sem->isUsed = 0;
USB_OSA_EXIT_CRITICAL();
return kStatus_USB_OSA_Success;
}
return kStatus_USB_OSA_Error;
}
usb_osa_status_t USB_OsaSemPost(usb_osa_sem_handle handle)
{
usb_osa_sem_struct_t *sem = (usb_osa_sem_struct_t *)handle;
USB_OSA_SR_ALLOC();
if (!handle)
{
return kStatus_USB_OSA_Error;
}
USB_OSA_ENTER_CRITICAL();
sem->value++;
USB_OSA_EXIT_CRITICAL();
return kStatus_USB_OSA_Success;
}
usb_osa_status_t USB_OsaSemWait(usb_osa_sem_handle handle, uint32_t timeout)
{
usb_osa_sem_struct_t *sem = (usb_osa_sem_struct_t *)handle;
USB_OSA_SR_ALLOC();
if (!handle)
{
return kStatus_USB_OSA_Error;
}
USB_OSA_ENTER_CRITICAL();
if (sem->value)
{
sem->value--;
}
else
{
USB_OSA_EXIT_CRITICAL();
return kStatus_USB_OSA_TimeOut;
}
USB_OSA_EXIT_CRITICAL();
return kStatus_USB_OSA_Success;
}
usb_osa_status_t USB_OsaMutexCreate(usb_osa_mutex_handle *handle)
{
if (!handle)
{
return kStatus_USB_OSA_Error;
}
*handle = (usb_osa_mutex_handle)0xFFFF0000U;
return kStatus_USB_OSA_Success;
}
usb_osa_status_t USB_OsaMutexDestroy(usb_osa_mutex_handle handle)
{
return kStatus_USB_OSA_Success;
}
usb_osa_status_t USB_OsaMutexLock(usb_osa_mutex_handle handle)
{
return kStatus_USB_OSA_Success;
}
usb_osa_status_t USB_OsaMutexUnlock(usb_osa_mutex_handle handle)
{
return kStatus_USB_OSA_Success;
}
usb_osa_status_t USB_OsaMsgqCreate(usb_osa_msgq_handle *handle, uint32_t count, uint32_t size)
{
usb_osa_msgq_struct_t *msgq = NULL;
USB_OSA_SR_ALLOC();
if (!handle)
{
return kStatus_USB_OSA_Error;
}
USB_OSA_ENTER_CRITICAL();
for (uint32_t i = 0; i < USB_OSA_BM_MSGQ_COUNT; i++)
{
if (0 == s_UsbBmMsgqStruct[i].isUsed)
{
msgq = &s_UsbBmMsgqStruct[i];
break;
}
}
if ((NULL == msgq) || (count > USB_OSA_BM_MSG_COUNT) || (size > USB_OSA_BM_MSG_SIZE))
{
USB_OSA_EXIT_CRITICAL();
return kStatus_USB_OSA_Error;
}
msgq->count = count;
msgq->msgSize = size;
msgq->msgCount = 0U;
msgq->index = 0U;
msgq->current = 0U;
msgq->isUsed = 1;
*handle = msgq;
USB_OSA_EXIT_CRITICAL();
return kStatus_USB_OSA_Success;
}
usb_osa_status_t USB_OsaMsgqDestroy(usb_osa_msgq_handle handle)
{
usb_osa_msgq_struct_t *msgq = (usb_osa_msgq_struct_t *)handle;
USB_OSA_SR_ALLOC();
if (!handle)
{
return kStatus_USB_OSA_Error;
}
USB_OSA_ENTER_CRITICAL();
msgq->isUsed = 0;
USB_OSA_EXIT_CRITICAL();
return kStatus_USB_OSA_Success;
}
usb_osa_status_t USB_OsaMsgqSend(usb_osa_msgq_handle handle, void *msg)
{
usb_osa_msgq_struct_t *msgq = (usb_osa_msgq_struct_t *)handle;
usb_osa_msg_struct_t *msgEntity;
uint32_t *p;
uint32_t *q;
uint32_t count;
USB_OSA_SR_ALLOC();
if (!handle)
{
return kStatus_USB_OSA_Error;
}
USB_OSA_ENTER_CRITICAL();
if (msgq->msgCount >= msgq->count)
{
USB_OSA_EXIT_CRITICAL();
return kStatus_USB_OSA_Error;
}
msgEntity = &msgq->msgs[msgq->index];
p = (uint32_t *)&msgEntity->msg[0];
q = (uint32_t *)msg;
for (count = 0U; count < msgq->msgSize; count++)
{
p[count] = q[count];
}
if (0U == msgq->msgCount)
{
msgq->current = msgq->index;
}
msgq->msgCount++;
msgq->index++;
msgq->index = msgq->index % msgq->count;
USB_OSA_EXIT_CRITICAL();
return kStatus_USB_OSA_Success;
}
usb_osa_status_t USB_OsaMsgqRecv(usb_osa_msgq_handle handle, void *msg, uint32_t timeout)
{
usb_osa_msgq_struct_t *msgq = (usb_osa_msgq_struct_t *)handle;
usb_osa_msg_struct_t *msgEntity;
uint32_t *p;
uint32_t *q;
uint32_t count;
USB_OSA_SR_ALLOC();
if (!handle)
{
return kStatus_USB_OSA_Error;
}
USB_OSA_ENTER_CRITICAL();
if (msgq->msgCount < 1U)
{
USB_OSA_EXIT_CRITICAL();
return kStatus_USB_OSA_TimeOut;
}
msgEntity = &msgq->msgs[msgq->current];
q = (uint32_t *)&msgEntity->msg[0];
p = (uint32_t *)msg;
for (count = 0U; count < msgq->msgSize; count++)
{
p[count] = q[count];
}
msgq->msgCount--;
msgq->current++;
msgq->current = msgq->current % msgq->count;
USB_OSA_EXIT_CRITICAL();
return kStatus_USB_OSA_Success;
}
usb_osa_status_t USB_OsaMsgqCheck(usb_osa_msgq_handle handle, void *msg)
{
usb_osa_msgq_struct_t *msgq = (usb_osa_msgq_struct_t *)handle;
uint32_t msgCount;
USB_OSA_SR_ALLOC();
if (!handle)
{
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;
}