diff options
Diffstat (limited to 'tinyusb/src/osal/osal_none.h')
| -rwxr-xr-x | tinyusb/src/osal/osal_none.h | 204 |
1 files changed, 0 insertions, 204 deletions
diff --git a/tinyusb/src/osal/osal_none.h b/tinyusb/src/osal/osal_none.h deleted file mode 100755 index a1f997cf..00000000 --- a/tinyusb/src/osal/osal_none.h +++ /dev/null @@ -1,204 +0,0 @@ -/* - * 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 _TUSB_OSAL_NONE_H_ -#define _TUSB_OSAL_NONE_H_ - -#ifdef __cplusplus - extern "C" { -#endif - -//--------------------------------------------------------------------+ -// TASK API -//--------------------------------------------------------------------+ - - -//--------------------------------------------------------------------+ -// Binary Semaphore API -//--------------------------------------------------------------------+ -typedef struct -{ - volatile uint16_t count; -}osal_semaphore_def_t; - -typedef osal_semaphore_def_t* osal_semaphore_t; - -static inline osal_semaphore_t osal_semaphore_create(osal_semaphore_def_t* semdef) -{ - semdef->count = 0; - return semdef; -} - -static inline bool osal_semaphore_post(osal_semaphore_t sem_hdl, bool in_isr) -{ - (void) in_isr; - sem_hdl->count++; - return true; -} - -// TODO blocking for now -static inline bool osal_semaphore_wait (osal_semaphore_t sem_hdl, uint32_t msec) -{ - (void) msec; - - while (sem_hdl->count == 0) { } - sem_hdl->count--; - - return true; -} - -static inline void osal_semaphore_reset(osal_semaphore_t sem_hdl) -{ - sem_hdl->count = 0; -} - -//--------------------------------------------------------------------+ -// MUTEX API -// Within tinyusb, mutex is never used in ISR context -//--------------------------------------------------------------------+ -typedef osal_semaphore_def_t osal_mutex_def_t; -typedef osal_semaphore_t osal_mutex_t; - -static inline osal_mutex_t osal_mutex_create(osal_mutex_def_t* mdef) -{ - mdef->count = 1; - return mdef; -} - -static inline bool osal_mutex_lock (osal_mutex_t mutex_hdl, uint32_t msec) -{ - return osal_semaphore_wait(mutex_hdl, msec); -} - -static inline bool osal_mutex_unlock(osal_mutex_t mutex_hdl) -{ - return osal_semaphore_post(mutex_hdl, false); -} - -//--------------------------------------------------------------------+ -// QUEUE API -//--------------------------------------------------------------------+ -#include "common/tusb_fifo.h" - -// extern to avoid including dcd.h and hcd.h -#if TUSB_OPT_DEVICE_ENABLED -extern void dcd_int_disable(uint8_t rhport); -extern void dcd_int_enable(uint8_t rhport); -#endif - -#if TUSB_OPT_HOST_ENABLED -extern void hcd_int_disable(uint8_t rhport); -extern void hcd_int_enable(uint8_t rhport); -#endif - -typedef struct -{ - uint8_t role; // device or host - tu_fifo_t ff; -}osal_queue_def_t; - -typedef osal_queue_def_t* osal_queue_t; - -// role device/host is used by OS NONE for mutex (disable usb isr) only -#define OSAL_QUEUE_DEF(_role, _name, _depth, _type) \ - uint8_t _name##_buf[_depth*sizeof(_type)]; \ - osal_queue_def_t _name = { \ - .role = _role, \ - .ff = TU_FIFO_INIT(_name##_buf, _depth, _type, false) \ - } - -// lock queue by disable USB interrupt -static inline void _osal_q_lock(osal_queue_t qhdl) -{ - (void) qhdl; - -#if TUSB_OPT_DEVICE_ENABLED - if (qhdl->role == OPT_MODE_DEVICE) dcd_int_disable(TUD_OPT_RHPORT); -#endif - -#if TUSB_OPT_HOST_ENABLED - if (qhdl->role == OPT_MODE_HOST) hcd_int_disable(TUH_OPT_RHPORT); -#endif -} - -// unlock queue -static inline void _osal_q_unlock(osal_queue_t qhdl) -{ - (void) qhdl; - -#if TUSB_OPT_DEVICE_ENABLED - if (qhdl->role == OPT_MODE_DEVICE) dcd_int_enable(TUD_OPT_RHPORT); -#endif - -#if TUSB_OPT_HOST_ENABLED - if (qhdl->role == OPT_MODE_HOST) hcd_int_enable(TUH_OPT_RHPORT); -#endif -} - -static inline osal_queue_t osal_queue_create(osal_queue_def_t* qdef) -{ - tu_fifo_clear(&qdef->ff); - return (osal_queue_t) qdef; -} - -static inline bool osal_queue_receive(osal_queue_t qhdl, void* data) -{ - _osal_q_lock(qhdl); - bool success = tu_fifo_read(&qhdl->ff, data); - _osal_q_unlock(qhdl); - - return success; -} - -static inline bool osal_queue_send(osal_queue_t qhdl, void const * data, bool in_isr) -{ - if (!in_isr) { - _osal_q_lock(qhdl); - } - - bool success = tu_fifo_write(&qhdl->ff, data); - - if (!in_isr) { - _osal_q_unlock(qhdl); - } - - TU_ASSERT(success); - - return success; -} - -static inline bool osal_queue_empty(osal_queue_t qhdl) -{ - // Skip queue lock/unlock since this function is primarily called - // with interrupt disabled before going into low power mode - return tu_fifo_empty(&qhdl->ff); -} - -#ifdef __cplusplus - } -#endif - -#endif /* _TUSB_OSAL_NONE_H_ */ |