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-rwxr-xr-xtinyusb/src/osal/osal.h104
-rwxr-xr-xtinyusb/src/osal/osal_freertos.h172
-rwxr-xr-xtinyusb/src/osal/osal_mynewt.h174
-rwxr-xr-xtinyusb/src/osal/osal_none.h204
-rwxr-xr-xtinyusb/src/osal/osal_pico.h187
-rwxr-xr-xtinyusb/src/osal/osal_rtthread.h130
6 files changed, 971 insertions, 0 deletions
diff --git a/tinyusb/src/osal/osal.h b/tinyusb/src/osal/osal.h
new file mode 100755
index 00000000..28bdf479
--- /dev/null
+++ b/tinyusb/src/osal/osal.h
@@ -0,0 +1,104 @@
+/*
+ * 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_H_
+#define _TUSB_OSAL_H_
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/** \addtogroup group_osal
+ * @{ */
+
+#include "common/tusb_common.h"
+
+// Return immediately
+#define OSAL_TIMEOUT_NOTIMEOUT (0)
+// Default timeout
+#define OSAL_TIMEOUT_NORMAL (10)
+// Wait forever
+#define OSAL_TIMEOUT_WAIT_FOREVER (UINT32_MAX)
+
+#define OSAL_TIMEOUT_CONTROL_XFER OSAL_TIMEOUT_WAIT_FOREVER
+
+typedef void (*osal_task_func_t)( void * );
+
+#if CFG_TUSB_OS == OPT_OS_NONE
+ #include "osal_none.h"
+#elif CFG_TUSB_OS == OPT_OS_FREERTOS
+ #include "osal_freertos.h"
+#elif CFG_TUSB_OS == OPT_OS_MYNEWT
+ #include "osal_mynewt.h"
+#elif CFG_TUSB_OS == OPT_OS_PICO
+ #include "osal_pico.h"
+#elif CFG_TUSB_OS == OPT_OS_RTTHREAD
+ #include "osal_rtthread.h"
+#elif CFG_TUSB_OS == OPT_OS_CUSTOM
+ #include "tusb_os_custom.h" // implemented by application
+#else
+ #error OS is not supported yet
+#endif
+
+//--------------------------------------------------------------------+
+// OSAL Porting API
+//--------------------------------------------------------------------+
+
+//------------- Semaphore -------------//
+static inline osal_semaphore_t osal_semaphore_create(osal_semaphore_def_t* semdef);
+static inline bool osal_semaphore_post(osal_semaphore_t sem_hdl, bool in_isr);
+static inline bool osal_semaphore_wait(osal_semaphore_t sem_hdl, uint32_t msec);
+
+static inline void osal_semaphore_reset(osal_semaphore_t sem_hdl); // TODO removed
+
+//------------- Mutex -------------//
+static inline osal_mutex_t osal_mutex_create(osal_mutex_def_t* mdef);
+static inline bool osal_mutex_lock (osal_mutex_t sem_hdl, uint32_t msec);
+static inline bool osal_mutex_unlock(osal_mutex_t mutex_hdl);
+
+//------------- Queue -------------//
+static inline osal_queue_t osal_queue_create(osal_queue_def_t* qdef);
+static inline bool osal_queue_receive(osal_queue_t qhdl, void* data);
+static inline bool osal_queue_send(osal_queue_t qhdl, void const * data, bool in_isr);
+static inline bool osal_queue_empty(osal_queue_t qhdl);
+
+#if 0 // TODO remove subtask related macros later
+// Sub Task
+#define OSAL_SUBTASK_BEGIN
+#define OSAL_SUBTASK_END return TUSB_ERROR_NONE;
+
+#define STASK_RETURN(_error) return _error;
+#define STASK_INVOKE(_subtask, _status) (_status) = _subtask
+#define STASK_ASSERT(_cond) TU_VERIFY(_cond, TUSB_ERROR_OSAL_TASK_FAILED)
+#endif
+
+#ifdef __cplusplus
+ }
+#endif
+
+/** @} */
+
+#endif /* _TUSB_OSAL_H_ */
diff --git a/tinyusb/src/osal/osal_freertos.h b/tinyusb/src/osal/osal_freertos.h
new file mode 100755
index 00000000..66070c27
--- /dev/null
+++ b/tinyusb/src/osal/osal_freertos.h
@@ -0,0 +1,172 @@
+/*
+ * 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_FREERTOS_H_
+#define _TUSB_OSAL_FREERTOS_H_
+
+// FreeRTOS Headers
+#include "FreeRTOS.h"
+#include "semphr.h"
+#include "queue.h"
+#include "task.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+//--------------------------------------------------------------------+
+// TASK API
+//--------------------------------------------------------------------+
+static inline void osal_task_delay(uint32_t msec)
+{
+ vTaskDelay( pdMS_TO_TICKS(msec) );
+}
+
+//--------------------------------------------------------------------+
+// Semaphore API
+//--------------------------------------------------------------------+
+typedef StaticSemaphore_t osal_semaphore_def_t;
+typedef SemaphoreHandle_t osal_semaphore_t;
+
+static inline osal_semaphore_t osal_semaphore_create(osal_semaphore_def_t* semdef)
+{
+ return xSemaphoreCreateBinaryStatic(semdef);
+}
+
+static inline bool osal_semaphore_post(osal_semaphore_t sem_hdl, bool in_isr)
+{
+ if ( !in_isr )
+ {
+ return xSemaphoreGive(sem_hdl) != 0;
+ }
+ else
+ {
+ BaseType_t xHigherPriorityTaskWoken;
+ BaseType_t res = xSemaphoreGiveFromISR(sem_hdl, &xHigherPriorityTaskWoken);
+
+#if CFG_TUSB_MCU == OPT_MCU_ESP32S2 || CFG_TUSB_MCU == OPT_MCU_ESP32S3
+ if ( xHigherPriorityTaskWoken ) portYIELD_FROM_ISR();
+#else
+ portYIELD_FROM_ISR(xHigherPriorityTaskWoken);
+#endif
+
+ return res != 0;
+ }
+}
+
+static inline bool osal_semaphore_wait (osal_semaphore_t sem_hdl, uint32_t msec)
+{
+ uint32_t const ticks = (msec == OSAL_TIMEOUT_WAIT_FOREVER) ? portMAX_DELAY : pdMS_TO_TICKS(msec);
+ return xSemaphoreTake(sem_hdl, ticks);
+}
+
+static inline void osal_semaphore_reset(osal_semaphore_t const sem_hdl)
+{
+ xQueueReset(sem_hdl);
+}
+
+//--------------------------------------------------------------------+
+// MUTEX API (priority inheritance)
+//--------------------------------------------------------------------+
+typedef StaticSemaphore_t osal_mutex_def_t;
+typedef SemaphoreHandle_t osal_mutex_t;
+
+static inline osal_mutex_t osal_mutex_create(osal_mutex_def_t* mdef)
+{
+ return xSemaphoreCreateMutexStatic(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 xSemaphoreGive(mutex_hdl);
+}
+
+//--------------------------------------------------------------------+
+// 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];\
+ osal_queue_def_t _name = { .depth = _depth, .item_sz = sizeof(_type), .buf = _name##_##buf };
+
+typedef struct
+{
+ uint16_t depth;
+ uint16_t item_sz;
+ void* buf;
+
+ StaticQueue_t sq;
+}osal_queue_def_t;
+
+typedef QueueHandle_t osal_queue_t;
+
+static inline osal_queue_t osal_queue_create(osal_queue_def_t* qdef)
+{
+ return xQueueCreateStatic(qdef->depth, qdef->item_sz, (uint8_t*) qdef->buf, &qdef->sq);
+}
+
+static inline bool osal_queue_receive(osal_queue_t qhdl, void* data)
+{
+ return xQueueReceive(qhdl, data, portMAX_DELAY);
+}
+
+static inline bool osal_queue_send(osal_queue_t qhdl, void const * data, bool in_isr)
+{
+ if ( !in_isr )
+ {
+ return xQueueSendToBack(qhdl, data, OSAL_TIMEOUT_WAIT_FOREVER) != 0;
+ }
+ else
+ {
+ BaseType_t xHigherPriorityTaskWoken;
+ BaseType_t res = xQueueSendToBackFromISR(qhdl, data, &xHigherPriorityTaskWoken);
+
+#if CFG_TUSB_MCU == OPT_MCU_ESP32S2 || CFG_TUSB_MCU == OPT_MCU_ESP32S3
+ if ( xHigherPriorityTaskWoken ) portYIELD_FROM_ISR();
+#else
+ portYIELD_FROM_ISR(xHigherPriorityTaskWoken);
+#endif
+
+ return res != 0;
+ }
+}
+
+static inline bool osal_queue_empty(osal_queue_t qhdl)
+{
+ return uxQueueMessagesWaiting(qhdl) == 0;
+}
+
+#ifdef __cplusplus
+ }
+#endif
+
+#endif /* _TUSB_OSAL_FREERTOS_H_ */
diff --git a/tinyusb/src/osal/osal_mynewt.h b/tinyusb/src/osal/osal_mynewt.h
new file mode 100755
index 00000000..6882329c
--- /dev/null
+++ b/tinyusb/src/osal/osal_mynewt.h
@@ -0,0 +1,174 @@
+/*
+ * 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_ */
diff --git a/tinyusb/src/osal/osal_none.h b/tinyusb/src/osal/osal_none.h
new file mode 100755
index 00000000..a1f997cf
--- /dev/null
+++ b/tinyusb/src/osal/osal_none.h
@@ -0,0 +1,204 @@
+/*
+ * 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_ */
diff --git a/tinyusb/src/osal/osal_pico.h b/tinyusb/src/osal/osal_pico.h
new file mode 100755
index 00000000..1c3366e0
--- /dev/null
+++ b/tinyusb/src/osal/osal_pico.h
@@ -0,0 +1,187 @@
+/*
+ * 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_ */
diff --git a/tinyusb/src/osal/osal_rtthread.h b/tinyusb/src/osal/osal_rtthread.h
new file mode 100755
index 00000000..d5c062ac
--- /dev/null
+++ b/tinyusb/src/osal/osal_rtthread.h
@@ -0,0 +1,130 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2020 tfx2001 (2479727366@qq.com)
+ *
+ * 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_RTTHREAD_H_
+#define _TUSB_OSAL_RTTHREAD_H_
+
+// RT-Thread Headers
+#include "rtthread.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+//--------------------------------------------------------------------+
+// TASK API
+//--------------------------------------------------------------------+
+static inline void osal_task_delay(uint32_t msec) {
+ rt_thread_mdelay(msec);
+}
+
+//--------------------------------------------------------------------+
+// Semaphore API
+//--------------------------------------------------------------------+
+typedef struct rt_semaphore osal_semaphore_def_t;
+typedef rt_sem_t osal_semaphore_t;
+
+static inline osal_semaphore_t
+osal_semaphore_create(osal_semaphore_def_t *semdef) {
+ rt_sem_init(semdef, "tusb", 0, RT_IPC_FLAG_FIFO);
+ return semdef;
+}
+
+static inline bool osal_semaphore_post(osal_semaphore_t sem_hdl, bool in_isr) {
+ (void) in_isr;
+ return rt_sem_release(sem_hdl) == RT_EOK;
+}
+
+static inline bool osal_semaphore_wait(osal_semaphore_t sem_hdl, uint32_t msec) {
+ return rt_sem_take(sem_hdl, rt_tick_from_millisecond(msec)) == RT_EOK;
+}
+
+static inline void osal_semaphore_reset(osal_semaphore_t const sem_hdl) {
+ // TODO: implement
+}
+
+//--------------------------------------------------------------------+
+// MUTEX API (priority inheritance)
+//--------------------------------------------------------------------+
+typedef struct rt_mutex osal_mutex_def_t;
+typedef rt_mutex_t osal_mutex_t;
+
+static inline osal_mutex_t osal_mutex_create(osal_mutex_def_t *mdef) {
+ rt_mutex_init(mdef, "tusb", RT_IPC_FLAG_FIFO);
+ return mdef;
+}
+
+static inline bool osal_mutex_lock(osal_mutex_t mutex_hdl, uint32_t msec) {
+ return rt_mutex_take(mutex_hdl, rt_tick_from_millisecond(msec)) == RT_EOK;
+}
+
+static inline bool osal_mutex_unlock(osal_mutex_t mutex_hdl) {
+ return rt_mutex_release(mutex_hdl) == RT_EOK;
+}
+
+//--------------------------------------------------------------------+
+// 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]; \
+ osal_queue_def_t _name = { .depth = _depth, .item_sz = sizeof(_type), .buf = _name##_##buf };
+
+typedef struct {
+ uint16_t depth;
+ uint16_t item_sz;
+ void *buf;
+
+ struct rt_messagequeue sq;
+} osal_queue_def_t;
+
+typedef rt_mq_t osal_queue_t;
+
+static inline osal_queue_t osal_queue_create(osal_queue_def_t *qdef) {
+ rt_mq_init(&(qdef->sq), "tusb", qdef->buf, qdef->item_sz,
+ qdef->item_sz * qdef->depth, RT_IPC_FLAG_FIFO);
+ return &(qdef->sq);
+}
+
+static inline bool osal_queue_receive(osal_queue_t qhdl, void *data) {
+ return rt_mq_recv(qhdl, data, qhdl->msg_size, RT_WAITING_FOREVER) == RT_EOK;
+}
+
+static inline bool osal_queue_send(osal_queue_t qhdl, void const *data, bool in_isr) {
+ (void) in_isr;
+ return rt_mq_send(qhdl, (void *)data, qhdl->msg_size) == RT_EOK;
+}
+
+static inline bool osal_queue_empty(osal_queue_t qhdl) {
+ return (qhdl->entry) == 0;
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _TUSB_OSAL_RTTHREAD_H_ */