📄 decr.c
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/*
* file: decr.c
*
* PowerPC 8240 decrementer support
* for UCOS-II
*
* Author: Ernie Price
* eprice@bitwise.net
*
*/
#include "includes.h"
INT32U decTimeCst; // public so interrupt routines can use it
asm void SetDecrementer (INT32U decValue)
{
%reg decValue;
mtdec decValue
}
/*
\breif initializes the PowerPC decrementer
*/
void decr_Start (INT32S ticks_per_second)
{
decTimeCst = TMBCLKS_PER_SEC / ticks_per_second;
SetDecrementer(decTimeCst);
}
/* End of Source */
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