summaryrefslogtreecommitdiffstats
path: root/tinyusb/src/osal/osal_pico.h
diff options
context:
space:
mode:
Diffstat (limited to 'tinyusb/src/osal/osal_pico.h')
-rwxr-xr-xtinyusb/src/osal/osal_pico.h187
1 files changed, 0 insertions, 187 deletions
diff --git a/tinyusb/src/osal/osal_pico.h b/tinyusb/src/osal/osal_pico.h
deleted file mode 100755
index 1c3366e0..00000000
--- a/tinyusb/src/osal/osal_pico.h
+++ /dev/null
@@ -1,187 +0,0 @@
-/*
- * The MIT License (MIT)
- *
- * Copyright (c) 2020 Raspberry Pi (Trading) Ltd.
- *
- * 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_PICO_H_
-#define _TUSB_OSAL_PICO_H_
-
-#include "pico/time.h"
-#include "pico/sem.h"
-#include "pico/mutex.h"
-#include "pico/critical_section.h"
-
-#ifdef __cplusplus
- extern "C" {
-#endif
-
-//--------------------------------------------------------------------+
-// TASK API
-//--------------------------------------------------------------------+
-static inline void osal_task_delay(uint32_t msec)
-{
- sleep_ms(msec);
-}
-
-//--------------------------------------------------------------------+
-// Binary Semaphore API
-//--------------------------------------------------------------------+
-typedef struct semaphore osal_semaphore_def_t, *osal_semaphore_t;
-
-static inline osal_semaphore_t osal_semaphore_create(osal_semaphore_def_t* semdef)
-{
- sem_init(semdef, 0, 255);
- return semdef;
-}
-
-static inline bool osal_semaphore_post(osal_semaphore_t sem_hdl, bool in_isr)
-{
- (void) in_isr;
- sem_release(sem_hdl);
- return true;
-}
-
-static inline bool osal_semaphore_wait (osal_semaphore_t sem_hdl, uint32_t msec)
-{
- return sem_acquire_timeout_ms(sem_hdl, msec);
-}
-
-static inline void osal_semaphore_reset(osal_semaphore_t sem_hdl)
-{
- sem_reset(sem_hdl, 0);
-}
-
-//--------------------------------------------------------------------+
-// MUTEX API
-// Within tinyusb, mutex is never used in ISR context
-//--------------------------------------------------------------------+
-typedef struct mutex osal_mutex_def_t, *osal_mutex_t;
-
-static inline osal_mutex_t osal_mutex_create(osal_mutex_def_t* mdef)
-{
- mutex_init(mdef);
- return mdef;
-}
-
-static inline bool osal_mutex_lock (osal_mutex_t mutex_hdl, uint32_t msec)
-{
- return mutex_enter_timeout_ms(mutex_hdl, msec);
-}
-
-static inline bool osal_mutex_unlock(osal_mutex_t mutex_hdl)
-{
- mutex_exit(mutex_hdl);
- return true;
-}
-
-//--------------------------------------------------------------------+
-// QUEUE API
-//--------------------------------------------------------------------+
-#include "common/tusb_fifo.h"
-
-#if TUSB_OPT_HOST_ENABLED
-extern void hcd_int_disable(uint8_t rhport);
-extern void hcd_int_enable(uint8_t rhport);
-#endif
-
-typedef struct
-{
- tu_fifo_t ff;
- struct critical_section critsec; // osal_queue may be used in IRQs, so need critical section
-} 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 = { \
- .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)
-{
- critical_section_enter_blocking(&qhdl->critsec);
-}
-
-// unlock queue
-static inline void _osal_q_unlock(osal_queue_t qhdl)
-{
- critical_section_exit(&qhdl->critsec);
-}
-
-static inline osal_queue_t osal_queue_create(osal_queue_def_t* qdef)
-{
- critical_section_init(&qdef->critsec);
- tu_fifo_clear(&qdef->ff);
- return (osal_queue_t) qdef;
-}
-
-static inline bool osal_queue_receive(osal_queue_t qhdl, void* data)
-{
- // TODO: revisit... docs say that mutexes are never used from IRQ context,
- // however osal_queue_recieve may be. therefore my assumption is that
- // the fifo mutex is not populated for queues used from an IRQ context
- //assert(!qhdl->ff.mutex);
-
- _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)
-{
- // TODO: revisit... docs say that mutexes are never used from IRQ context,
- // however osal_queue_recieve may be. therefore my assumption is that
- // the fifo mutex is not populated for queues used from an IRQ context
- //assert(!qhdl->ff.mutex);
- (void) in_isr;
-
- _osal_q_lock(qhdl);
- bool success = tu_fifo_write(&qhdl->ff, data);
- _osal_q_unlock(qhdl);
-
- TU_ASSERT(success);
-
- return success;
-}
-
-static inline bool osal_queue_empty(osal_queue_t qhdl)
-{
- // TODO: revisit; whether this is true or not currently, tu_fifo_empty is a single
- // volatile read.
-
- // 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_PICO_H_ */