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Tidy up the comments and use of static function prototypes in the SAM4L_low_power_tick_management.c implementation.

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This commit is contained in:
Richard Barry 2013-06-06 11:19:32 +00:00
parent 3fbee4f0a8
commit 2e5d812022
1 changed files with 14 additions and 7 deletions
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21
FreeRTOS/Demo/CORTEX_M4_ATSAM4L_Atmel_Studio/src/SAM4L_low_power_tick_management.c
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@ -116,6 +116,13 @@ within the Cortex-M core itself. */
*/
void AST_ALARM_Handler(void);
/*
* Functions that disable and enable the AST respectively, not returning until
* the operation is known to have taken effect.
*/
static void prvDisableAST( void );
static void prvEnableAST( void );
/*-----------------------------------------------------------*/
/* Calculate how many clock increments make up a single tick period. */
@ -175,8 +182,8 @@ void AST_ALARM_Handler(void)
/*-----------------------------------------------------------*/
/* Override the default definition of vPortSetupTimerInterrupt() that is weakly
defined in the FreeRTOS Cortex-M3 port layer layer with a version that
configures the asynchronous timer (AST) to generate the tick interrupt. */
defined in the FreeRTOS Cortex-M3 port layer with a version that configures the
asynchronous timer (AST) to generate the tick interrupt. */
void vPortSetupTimerInterrupt( void )
{
struct ast_config ast_conf;
@ -226,7 +233,7 @@ struct ast_config ast_conf;
}
/*-----------------------------------------------------------*/
void prvDisableAST( void )
static void prvDisableAST( void )
{
while( ast_is_busy( AST ) )
{
@ -240,7 +247,7 @@ void prvDisableAST( void )
}
/*-----------------------------------------------------------*/
void prvEnableAST( void )
static void prvEnableAST( void )
{
while( ast_is_busy( AST ) )
{
@ -255,9 +262,9 @@ void prvEnableAST( void )
/*-----------------------------------------------------------*/
/* Override the default definition of vPortSuppressTicksAndSleep() that is weakly
defined in the FreeRTOS Cortex-M3 port layer layer with a version that manages
the asynchronous timer (AST), as the tick is generated from the low power AST
and not the SysTick as would normally be the case on a Cortex-M. */
defined in the FreeRTOS Cortex-M3 port layet with a version that manages the
asynchronous timer (AST), as the tick is generated from the low power AST and
not the SysTick as would normally be the case on a Cortex-M. */
void vPortSuppressTicksAndSleep( portTickType xExpectedIdleTime )
{
uint32_t ulAlarmValue, ulCompleteTickPeriods;