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Capture adds the function of edges counting

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Description: Add the function of counting cap edges

Signed-off-by: zhangkai25 <zhangkai25@xiaomi.com>
This commit is contained in:
zhangkai25 2024-04-25 09:55:21 +08:00 committed by Xiang Xiao
parent 25a6c0d6d8
commit 9e388d1d00
2 changed files with 18 additions and 0 deletions
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12
drivers/timers/capture.c
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@ -304,6 +304,18 @@ static int cap_ioctl(FAR struct file *filep, int cmd, unsigned long arg)
}
break;
/* CAPIOC_EDGES - Get the pwm edges from the capture.
* Argument: int32_t pointer to the location to return the edges.
*/
case CAPIOC_EDGES:
{
FAR uint32_t *ptr = (FAR uint32_t *)((uintptr_t)arg);
DEBUGASSERT(lower->ops->getedges != NULL && ptr);
ret = lower->ops->getedges(lower, ptr);
}
break;
/* Any unrecognized IOCTL commands might be platform-specific ioctl
* commands
*/

6
include/nuttx/timers/capture.h
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@ -36,6 +36,7 @@
#define CAPIOC_DUTYCYCLE _CAPIOC(1)
#define CAPIOC_FREQUENCE _CAPIOC(2)
#define CAPIOC_EDGES _CAPIOC(3)
/****************************************************************************
* Public Types
@ -67,6 +68,11 @@ struct cap_ops_s
CODE int (*getfreq)(FAR struct cap_lowerhalf_s *lower,
FAR uint32_t *freq);
/* Get the result pwm capture edges value */
CODE int (*getedges)(FAR struct cap_lowerhalf_s *lower,
FAR uint32_t *edges);
};
/* This structure provides the publicly visible representation of the