epagris/FreeRTOS-Kernel
1
0
Fork 1
mirror of https://github.com/FreeRTOS/FreeRTOS-Kernel.git synced 2025-11-04 11:09:01 +01:00
Code Issues Packages Projects Releases Wiki Activity

Add vPortGenerateSimulatedInterruptFromWindowsThread in MSVC port (#1044)

Browse Source 
Add vPortGenerateSimulatedInterruptFromWindowsThread  in MSVC port
to enable native windows threads to notify FreeRTOS tasks.
This commit is contained in:
chinglee-iot 2024-05-08 14:33:11 +08:00 committed by GitHub
parent 78c8bbde0e
commit 067d04e44e
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
2 changed files with 38 additions and 24 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

49
portable/MSVC-MingW/port.c
View File

@ -177,28 +177,7 @@ static DWORD WINAPI prvSimulatedPeripheralTimer( LPVOID lpParameter )
Sleep( portTICK_PERIOD_MS ); Sleep( portTICK_PERIOD_MS );
} }
if( xPortRunning == pdTRUE ) vPortGenerateSimulatedInterruptFromWindowsThread( portINTERRUPT_TICK );
{
configASSERT( xPortRunning );
/* Can't proceed if in a critical section as pvInterruptEventMutex won't
* be available. */
WaitForSingleObject( pvInterruptEventMutex, INFINITE );
/* The timer has expired, generate the simulated tick event. */
ulPendingInterrupts |= ( 1 << portINTERRUPT_TICK );
/* The interrupt is now pending - notify the simulated interrupt
* handler thread. Must be outside of a critical section to get here so
* the handler thread can execute immediately pvInterruptEventMutex is
* released. */
configASSERT( ulCriticalNesting == 0UL );
SetEvent( pvInterruptEvent );
/* Give back the mutex so the simulated interrupt handler unblocks
* and can access the interrupt handler variables. */
ReleaseMutex( pvInterruptEventMutex );
}
} }
return 0; return 0;
@ -636,6 +615,32 @@ void vPortGenerateSimulatedInterrupt( uint32_t ulInterruptNumber )
} }
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
void vPortGenerateSimulatedInterruptFromWindowsThread( uint32_t ulInterruptNumber )
{
if( xPortRunning == pdTRUE )
{
/* Can't proceed if in a critical section as pvInterruptEventMutex won't
* be available. */
WaitForSingleObject( pvInterruptEventMutex, INFINITE );
/* Pending a user defined interrupt to be handled in simulated interrupt
* handler thread. */
ulPendingInterrupts |= ( 1 << ulInterruptNumber );
/* The interrupt is now pending - notify the simulated interrupt
* handler thread. Must be outside of a critical section to get here so
* the handler thread can execute immediately pvInterruptEventMutex is
* released. */
configASSERT( ulCriticalNesting == 0UL );
SetEvent( pvInterruptEvent );
/* Give back the mutex so the simulated interrupt handler unblocks
* and can access the interrupt handler variables. */
ReleaseMutex( pvInterruptEventMutex );
}
}
/*-----------------------------------------------------------*/
void vPortSetInterruptHandler( uint32_t ulInterruptNumber, void vPortSetInterruptHandler( uint32_t ulInterruptNumber,
uint32_t ( * pvHandler )( void ) ) uint32_t ( * pvHandler )( void ) )
{ {

13
portable/MSVC-MingW/portmacro.h
View File

@ -184,8 +184,9 @@ void vPortExitCritical( void );
#define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void * pvParameters ) #define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void * pvParameters )
#define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void * pvParameters ) #define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void * pvParameters )
#define portINTERRUPT_YIELD ( 0UL ) #define portINTERRUPT_YIELD ( 0UL )
#define portINTERRUPT_TICK ( 1UL ) #define portINTERRUPT_TICK ( 1UL )
#define portINTERRUPT_APPLICATION_DEFINED_START ( 2UL )
/* /*
* Raise a simulated interrupt represented by the bit mask in ulInterruptMask. * Raise a simulated interrupt represented by the bit mask in ulInterruptMask.
@ -194,6 +195,14 @@ void vPortExitCritical( void );
*/ */
void vPortGenerateSimulatedInterrupt( uint32_t ulInterruptNumber ); void vPortGenerateSimulatedInterrupt( uint32_t ulInterruptNumber );
/*
* Raise a simulated interrupt represented by the bit mask in ulInterruptMask.
* Each bit can be used to represent an individual interrupt - with the first
* two bits being used for the Yield and Tick interrupts respectively. This function
* can be called in a windows thread.
*/
void vPortGenerateSimulatedInterruptFromWindowsThread( uint32_t ulInterruptNumber );
/* /*
* Install an interrupt handler to be called by the simulated interrupt handler * Install an interrupt handler to be called by the simulated interrupt handler
* thread. The interrupt number must be above any used by the kernel itself * thread. The interrupt number must be above any used by the kernel itself