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/*
* The MIT License (MIT)
*
* Copyright (c) 2019 Ha Thach (tinyusb.org)
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* This file is part of the TinyUSB stack.
*/
#ifndef OSAL_MYNEWT_H_
#define OSAL_MYNEWT_H_
#include "os/os.h"
#ifdef __cplusplus
extern "C" {
#endif
//--------------------------------------------------------------------+
// TASK API
//--------------------------------------------------------------------+
static inline void osal_task_delay(uint32_t msec)
{
os_time_delay( os_time_ms_to_ticks32(msec) );
}
//--------------------------------------------------------------------+
// Semaphore API
//--------------------------------------------------------------------+
typedef struct os_sem osal_semaphore_def_t;
typedef struct os_sem* osal_semaphore_t;
static inline osal_semaphore_t osal_semaphore_create(osal_semaphore_def_t* semdef)
{
return (os_sem_init(semdef, 0) == OS_OK) ? (osal_semaphore_t) semdef : NULL;
}
static inline bool osal_semaphore_post(osal_semaphore_t sem_hdl, bool in_isr)
{
(void) in_isr;
return os_sem_release(sem_hdl) == OS_OK;
}
static inline bool osal_semaphore_wait(osal_semaphore_t sem_hdl, uint32_t msec)
{
uint32_t const ticks = (msec == OSAL_TIMEOUT_WAIT_FOREVER) ? OS_TIMEOUT_NEVER : os_time_ms_to_ticks32(msec);
return os_sem_pend(sem_hdl, ticks) == OS_OK;
}
static inline void osal_semaphore_reset(osal_semaphore_t sem_hdl)
{
// TODO implement later
}
//--------------------------------------------------------------------+
// MUTEX API (priority inheritance)
//--------------------------------------------------------------------+
typedef struct os_mutex osal_mutex_def_t;
typedef struct os_mutex* osal_mutex_t;
static inline osal_mutex_t osal_mutex_create(osal_mutex_def_t* mdef)
{
return (os_mutex_init(mdef) == OS_OK) ? (osal_mutex_t) mdef : NULL;
}
static inline bool osal_mutex_lock(osal_mutex_t mutex_hdl, uint32_t msec)
{
uint32_t const ticks = (msec == OSAL_TIMEOUT_WAIT_FOREVER) ? OS_TIMEOUT_NEVER : os_time_ms_to_ticks32(msec);
return os_mutex_pend(mutex_hdl, ticks) == OS_OK;
}
static inline bool osal_mutex_unlock(osal_mutex_t mutex_hdl)
{
return os_mutex_release(mutex_hdl) == OS_OK;
}
//--------------------------------------------------------------------+
// QUEUE API
//--------------------------------------------------------------------+
// role device/host is used by OS NONE for mutex (disable usb isr) only
#define OSAL_QUEUE_DEF(_role, _name, _depth, _type) \
static _type _name##_##buf[_depth];\
static struct os_event _name##_##evbuf[_depth];\
osal_queue_def_t _name = { .depth = _depth, .item_sz = sizeof(_type), .buf = _name##_##buf, .evbuf = _name##_##evbuf};\
typedef struct
{
uint16_t depth;
uint16_t item_sz;
void* buf;
void* evbuf;
struct os_mempool mpool;
struct os_mempool epool;
struct os_eventq evq;
}osal_queue_def_t;
typedef osal_queue_def_t* osal_queue_t;
static inline osal_queue_t osal_queue_create(osal_queue_def_t* qdef)
{
if ( OS_OK != os_mempool_init(&qdef->mpool, qdef->depth, qdef->item_sz, qdef->buf, "usbd queue") ) return NULL;
if ( OS_OK != os_mempool_init(&qdef->epool, qdef->depth, sizeof(struct os_event), qdef->evbuf, "usbd evqueue") ) return NULL;
os_eventq_init(&qdef->evq);
return (osal_queue_t) qdef;
}
static inline bool osal_queue_receive(osal_queue_t qhdl, void* data)
{
struct os_event* ev;
ev = os_eventq_get(&qhdl->evq);
memcpy(data, ev->ev_arg, qhdl->item_sz); // copy message
os_memblock_put(&qhdl->mpool, ev->ev_arg); // put back mem block
os_memblock_put(&qhdl->epool, ev); // put back ev block
return true;
}
static inline bool osal_queue_send(osal_queue_t qhdl, void const * data, bool in_isr)
{
(void) in_isr;
// get a block from mem pool for data
void* ptr = os_memblock_get(&qhdl->mpool);
if (!ptr) return false;
memcpy(ptr, data, qhdl->item_sz);
// get a block from event pool to put into queue
struct os_event* ev = (struct os_event*) os_memblock_get(&qhdl->epool);
if (!ev)
{
os_memblock_put(&qhdl->mpool, ptr);
return false;
}
tu_memclr(ev, sizeof(struct os_event));
ev->ev_arg = ptr;
os_eventq_put(&qhdl->evq, ev);
return true;
}
static inline bool osal_queue_empty(osal_queue_t qhdl)
{
return STAILQ_EMPTY(&qhdl->evq.evq_list);
}
#ifdef __cplusplus
}
#endif
#endif /* OSAL_MYNEWT_H_ */
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