diff options
Diffstat (limited to 'tinyusb/osal')
| -rw-r--r-- | tinyusb/osal/osal.c | 54 | ||||
| -rw-r--r-- | tinyusb/osal/osal_freeRTOS.h | 51 | ||||
| -rw-r--r-- | tinyusb/osal/osal_none.h | 17 |
3 files changed, 76 insertions, 46 deletions
diff --git a/tinyusb/osal/osal.c b/tinyusb/osal/osal.c new file mode 100644 index 000000000..68bafa3ea --- /dev/null +++ b/tinyusb/osal/osal.c @@ -0,0 +1,54 @@ +/**************************************************************************/ +/*! + @file osal.c + @author hathach + + @section LICENSE + + Software License Agreement (BSD License) + + Copyright (c) 2018, hathach (tinyusb.org) + All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + 3. Neither the name of the copyright holders nor the + names of its contributors may be used to endorse or promote products + derived from this software without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY + EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + + This file is part of the tinyusb stack. +*/ +/**************************************************************************/ + +#include "tusb_option.h" +#include "osal.h" + + +//--------------------------------------------------------------------+ +// TICK API +//--------------------------------------------------------------------+ +#if TUSB_CFG_OS == TUSB_OS_FREERTOS + +uint32_t tusb_hal_millis(void) +{ + return ( ( ((uint64_t) xTaskGetTickCount()) * 1000) / configTICK_RATE_HZ ); +} + +#endif + diff --git a/tinyusb/osal/osal_freeRTOS.h b/tinyusb/osal/osal_freeRTOS.h index f2fe668ae..b0a99ad38 100644 --- a/tinyusb/osal/osal_freeRTOS.h +++ b/tinyusb/osal/osal_freeRTOS.h @@ -56,10 +56,15 @@ extern "C" { #endif -//--------------------------------------------------------------------+ -// TICK API -//--------------------------------------------------------------------+ -#define osal_millis xTaskGetTickCount +#if 0 +// Helper to determine if we are in ISR to use ISR API (only cover ARM Cortex) +// Note: Actually we don't need this since any event signal (queue send, semaphore post) +// is done in ISR, other event receive (queue receive, semaphore wait ) in in thread +static inline bool in_isr(void) +{ + return (SCB->ICSR & SCB_ICSR_VECTACTIVE_Msk); +} +#endif //--------------------------------------------------------------------+ // TASK API @@ -92,20 +97,12 @@ static inline osal_queue_t osal_queue_create(uint32_t depth, uint32_t item_size) static inline void osal_queue_receive (osal_queue_t const queue_hdl, void *p_data, uint32_t msec, tusb_error_t *p_error) { uint32_t const ticks = (msec == OSAL_TIMEOUT_WAIT_FOREVER) ? portMAX_DELAY : pdMS_TO_TICKS(msec); - - portBASE_TYPE result = (SCB->ICSR & SCB_ICSR_VECTACTIVE_Msk) ? xQueueReceiveFromISR(queue_hdl, p_data, NULL) : xQueueReceive(queue_hdl, p_data, ticks); - (*p_error) = ( result == pdPASS ) ? TUSB_ERROR_NONE : TUSB_ERROR_OSAL_TIMEOUT; + (*p_error) = ( xQueueReceive(queue_hdl, p_data, ticks) ? TUSB_ERROR_NONE : TUSB_ERROR_OSAL_TIMEOUT); } static inline bool osal_queue_send(osal_queue_t const queue_hdl, void const * data) { - if (SCB->ICSR & SCB_ICSR_VECTACTIVE_Msk) - { - return xQueueSendToFrontFromISR(queue_hdl, data, NULL); - }else - { - return xQueueSendToFront(queue_hdl, data, 0); - } + return xQueueSendToFrontFromISR(queue_hdl, data, NULL); } static inline void osal_queue_flush(osal_queue_t const queue_hdl) @@ -126,30 +123,13 @@ static inline osal_semaphore_t osal_semaphore_create(uint32_t max, uint32_t init // TODO add timeout (with instant return from ISR option) for semaphore post & queue send static inline bool osal_semaphore_post(osal_semaphore_t sem_hdl) { - if (SCB->ICSR & SCB_ICSR_VECTACTIVE_Msk) - { - return xSemaphoreGiveFromISR(sem_hdl, NULL); - }else - { - return xSemaphoreGive(sem_hdl); - } + return xSemaphoreGiveFromISR(sem_hdl, NULL); } static inline void osal_semaphore_wait(osal_semaphore_t sem_hdl, uint32_t msec, tusb_error_t *p_error) { uint32_t const ticks = (msec == OSAL_TIMEOUT_WAIT_FOREVER) ? portMAX_DELAY : pdMS_TO_TICKS(msec); - - BaseType_t result; - - if (SCB->ICSR & SCB_ICSR_VECTACTIVE_Msk) - { - result = xSemaphoreTakeFromISR(sem_hdl, NULL); - }else - { - result = xSemaphoreTake(sem_hdl, ticks); - } - - (*p_error) = result ? TUSB_ERROR_NONE : TUSB_ERROR_OSAL_TIMEOUT; + (*p_error) = (xSemaphoreTake(sem_hdl, ticks) ? TUSB_ERROR_NONE : TUSB_ERROR_OSAL_TIMEOUT); } static inline void osal_semaphore_reset(osal_semaphore_t const sem_hdl) @@ -167,12 +147,13 @@ typedef xSemaphoreHandle osal_mutex_t; static inline bool osal_mutex_release(osal_mutex_t mutex_hdl) { - return osal_semaphore_post(mutex_hdl); + return xSemaphoreGive(mutex_hdl); } static inline void osal_mutex_wait(osal_mutex_t mutex_hdl, uint32_t msec, tusb_error_t *p_error) { - osal_semaphore_wait(mutex_hdl, msec, p_error); + uint32_t const ticks = (msec == OSAL_TIMEOUT_WAIT_FOREVER) ? portMAX_DELAY : pdMS_TO_TICKS(msec); + (*p_error) = (xSemaphoreTake(mutex_hdl, ticks) ? TUSB_ERROR_NONE : TUSB_ERROR_OSAL_TIMEOUT); } // TOOD remove diff --git a/tinyusb/osal/osal_none.h b/tinyusb/osal/osal_none.h index 0b73de4e9..5325fd29e 100644 --- a/tinyusb/osal/osal_none.h +++ b/tinyusb/osal/osal_none.h @@ -51,11 +51,6 @@ #endif
//--------------------------------------------------------------------+
-// TICK API
-//--------------------------------------------------------------------+
-#define osal_millis tusb_hal_millis
-
-//--------------------------------------------------------------------+
// TASK API
// NOTES: Each blocking OSAL_NONE services such as semaphore wait,
// queue receive embedded return statement, therefore local variable
@@ -97,9 +92,9 @@ static inline osal_task_t osal_task_create(osal_func_t code, const char* name, u #define osal_task_delay(msec) \
do {\
- _timeout = osal_millis();\
+ _timeout = tusb_hal_millis();\
_state = __LINE__; case __LINE__:\
- if ( _timeout + msec > osal_millis() ) \
+ if ( _timeout + msec > tusb_hal_millis() ) \
return TUSB_ERROR_OSAL_WAITING;\
}while(0)
@@ -164,10 +159,10 @@ static inline void osal_queue_flush(osal_queue_t const queue_hdl) #define osal_queue_receive(queue_hdl, p_data, msec, p_error) \
do {\
- _timeout = osal_millis();\
+ _timeout = tusb_hal_millis();\
_state = __LINE__; case __LINE__:\
if( queue_hdl->count == 0 ) {\
- if ( (msec != OSAL_TIMEOUT_WAIT_FOREVER) && ( _timeout + msec <= osal_millis()) ) /* time out */ \
+ if ( (msec != OSAL_TIMEOUT_WAIT_FOREVER) && ( _timeout + msec <= tusb_hal_millis()) ) /* time out */ \
*(p_error) = TUSB_ERROR_OSAL_TIMEOUT;\
else\
return TUSB_ERROR_OSAL_WAITING;\
@@ -218,10 +213,10 @@ static inline void osal_semaphore_reset(osal_semaphore_t sem_hdl) #define osal_semaphore_wait(sem_hdl, msec, p_error) \
do {\
- _timeout = osal_millis();\
+ _timeout = tusb_hal_millis();\
_state = __LINE__; case __LINE__:\
if( sem_hdl->count == 0 ) {\
- if ( (msec != OSAL_TIMEOUT_WAIT_FOREVER) && (_timeout + msec <= osal_millis()) ) /* time out */ \
+ if ( (msec != OSAL_TIMEOUT_WAIT_FOREVER) && (_timeout + msec <= tusb_hal_millis()) ) /* time out */ \
*(p_error) = TUSB_ERROR_OSAL_TIMEOUT;\
else\
return TUSB_ERROR_OSAL_WAITING;\
|
