Skip to content

Optimize BaseType_t access for GCC ARM_CM4F #1459

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
Zepp-Hanzj wants to merge 1 commit into
base: main
Choose a base branch
from
+7 −0
Open

Optimize BaseType_t access for GCC ARM_CM4F #1459

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
7 changes: 7 additions & 0 deletions portable/GCC/ARM_CM4F/portmacro.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -117,6 +117,13 @@ typedef unsigned long UBaseType_t;
/* Critical section management. */
extern void vPortEnterCritical( void );
extern void vPortExitCritical( void );

/* This is a single-core port where BaseType_t and UBaseType_t are 32-bit, and
* uint8_t is 8-bit. Reads and writes of these widths are atomic, so accesses
* protected by these macros do not need to enter a critical section. */
#define portBASE_TYPE_ENTER_CRITICAL()
#define portBASE_TYPE_EXIT_CRITICAL()

#define portSET_INTERRUPT_MASK_FROM_ISR() ulPortRaiseBASEPRI()
#define portCLEAR_INTERRUPT_MASK_FROM_ISR( x ) vPortSetBASEPRI( x )
#define portDISABLE_INTERRUPTS() vPortRaiseBASEPRI()
Expand Down