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Update comments in Atmel Studio CreateProjectDirectoryStructure.bat files to remove references to replace references to Eclipse with references to Atmel Studio.

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Update the tickless idle implementations that use up counters for tick interrupt generate to ensure they remain in low power mode for the desired time instead of one tick less than the desired time.
This commit is contained in:
Richard Barry 2013-05-09 09:56:04 +00:00
parent e08966c7e8
commit fb9662009a
7 changed files with 33 additions and 56 deletions
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8
FreeRTOS/Demo/CORTEX_M4_ATSAM4L_Atmel_Studio/src/SAM4L_low_power_tick_management.c
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@ -134,7 +134,7 @@ static volatile uint32_t ulTickFlag = pdFALSE;
following variable offsets the AST counter alarm value by the number of AST
counts that would typically be missed while the counter was stopped to compensate
for the lost time. _RB_ Value needs calculating correctly. */
static uint32_t ulStoppedTimerCompensation = 10 / ( configCPU_CLOCK_HZ / configSYSTICK_CLOCK_HZ );
static uint32_t ulStoppedTimerCompensation = 2 / ( configCPU_CLOCK_HZ / configSYSTICK_CLOCK_HZ );
/*-----------------------------------------------------------*/
@ -274,10 +274,8 @@ enum sleepmgr_mode xSleepMode;
}
/* Calculate the reload value required to wait xExpectedIdleTime tick
periods. -1 is used because this code will execute part way through one of
the tick periods, and the fraction of a tick period is accounted for
later. */
ulAlarmValue = ( ulAlarmValueForOneTick * ( xExpectedIdleTime - 1UL ) );
periods. */
ulAlarmValue = ulAlarmValueForOneTick * xExpectedIdleTime;
if( ulAlarmValue > ulStoppedTimerCompensation )
{
/* Compensate for the fact that the AST is going to be stopped