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1.优化ISR函数层级。

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MacRsh
2023-12-20 02:46:28 +08:00
parent 0786360508
commit 421533eb81
1 changed files with 34 additions and 32 deletions
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66
source/device.c
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@@ -479,50 +479,52 @@ int mr_dev_isr(struct mr_dev *dev, int event, void *args)
return MR_EINVAL;
}
if (dev->ops->isr != MR_NULL)
/* Check whether the device has ISR */
if (dev->ops->isr == MR_NULL)
{
/* Call the device ISR */
ssize_t ret = dev->ops->isr(dev, event, args);
if (ret < 0)
return MR_ENOTSUP;
}
/* Call the device ISR */
ssize_t ret = dev->ops->isr(dev, event, args);
if (ret < 0)
{
return (int)ret;
}
/* Handle the event */
switch (event & MR_ISR_MASK)
{
case MR_ISR_RD:
{
return (int)ret;
if (dev->rd_call.call != MR_NULL)
{
return dev->rd_call.call(dev->rd_call.desc, &ret);
}
return MR_EOK;
}
/* Handle the event */
switch (event & MR_ISR_MASK)
case MR_ISR_WR:
{
case MR_ISR_RD:
if (ret != MR_EOK)
{
if (dev->rd_call.call != MR_NULL)
{
dev->rd_call.call(dev->rd_call.desc, &ret);
}
return MR_EOK;
}
case MR_ISR_WR:
{
if (ret == MR_EOK)
{
#ifdef MR_USING_RDWR_CTL
dev_lock_release(dev, MR_LFLAG_NONBLOCK);
#endif /* MR_USING_RDWR_CTL */
if (dev->wr_call.call != MR_NULL)
{
dev->wr_call.call(dev->wr_call.desc, &ret);
}
return MR_EOK;
}
return MR_EBUSY;
}
default:
#ifdef MR_USING_RDWR_CTL
dev_lock_release(dev, MR_LFLAG_NONBLOCK);
#endif /* MR_USING_RDWR_CTL */
if (dev->wr_call.call != MR_NULL)
{
return MR_ENOTSUP;
return dev->wr_call.call(dev->wr_call.desc, &ret);
}
return MR_EOK;
}
default:
{
return MR_ENOTSUP;
}
}
return MR_ENOTSUP;
}
/**