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(hopefully) fixed a problem with hang when i2c communication to TFP410 fails

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This commit is contained in:
Markus Fröschle
2014-12-28 22:47:43 +00:00
parent f871794760
commit 40162047d8
2 changed files with 755 additions and 747 deletions
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1496
sys/sysinit.c
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6
util/wait.c
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@@ -33,6 +33,7 @@ uint32_t get_timer(void)
{
return MCF_SLT_SCNT(0);
}
/*
* wait for the specified number of us on slice timer 0. Replaces the original routines that had
* the number of useconds to wait for hardcoded in their name.
@@ -52,8 +53,8 @@ void wait_ms(uint32_t ms)
wait(ms * 1000);
}
/*
* the same as above, with a checker function which gets called while
* busy waiting and allows for an early return if it returns true
* wait for the specified number of us (same as above), but with a checker function
* which gets called while busy waiting and allows for an early return if it returns true
*/
bool waitfor(uint32_t us, checker_func condition)
{
@@ -65,5 +66,6 @@ bool waitfor(uint32_t us, checker_func condition)
if ((res = (*condition)()))
return res;
} while (MCF_SLT_SCNT(0) - target > 0);
return false;
}