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[DeviceDriver]correct can critical problems

This commit is contained in:
Aubr.Cool 2015-07-07 08:36:47 +08:00
parent 7de47e029b
commit 0f20bf12fd
1 changed files with 12 additions and 12 deletions
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24
components/drivers/can/can.c
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@ -189,6 +189,7 @@ rt_inline int _can_int_tx(struct rt_can_device *can, const struct rt_can_msg *da
rt_list_remove(&tx_tosnd->list);
}
rt_list_insert_before(&tx_fifo->freelist, &tx_tosnd->list);
rt_completion_done(&(tx_fifo->completion));
rt_hw_interrupt_enable(level);
if (result == RT_CAN_SND_RESULT_OK)
@ -208,13 +209,6 @@ rt_inline int _can_int_tx(struct rt_can_device *can, const struct rt_can_msg *da
rt_hw_interrupt_enable(level);
break;
}
level = rt_hw_interrupt_disable();
if (rt_list_isempty(&tx_fifo->freelist))
{
rt_completion_done(&(tx_fifo->completion));
}
rt_hw_interrupt_enable(level);
}
return (size - msgs);
@ -541,12 +535,12 @@ static rt_err_t rt_can_control(struct rt_device *dev,
{
rt_completion_done(&(tx_fifo->completion));
level = rt_hw_interrupt_disable();
for (i = 0; i < can->config.sndboxnumber; i++)
{
level = rt_hw_interrupt_disable();
rt_list_remove(&tx_fifo->buffer[i].list);
rt_hw_interrupt_enable(level);
}
rt_hw_interrupt_enable(level);
}
else
{
@ -600,8 +594,10 @@ static rt_err_t rt_can_control(struct rt_device *dev,
level = rt_hw_interrupt_disable();
if (!can->hdr[pitem->hdr].connected)
{
rt_hw_interrupt_enable(level);
rt_memcpy(&can->hdr[pitem->hdr].filter, pitem,
sizeof(struct rt_can_filter_item));
level = rt_hw_interrupt_disable();
can->hdr[pitem->hdr].connected = 1;
can->hdr[pitem->hdr].msgs = 0;
rt_list_init(&can->hdr[pitem->hdr].list);
@ -626,16 +622,20 @@ static rt_err_t rt_can_control(struct rt_device *dev,
if (can->hdr[pitem->hdr].connected)
{
rt_memset(&can->hdr[pitem->hdr].filter, 0,
sizeof(struct rt_can_filter_item));
can->hdr[pitem->hdr].connected = 0;
can->hdr[pitem->hdr].msgs = 0;
if (!rt_list_isempty(&can->hdr[pitem->hdr].list))
{
rt_list_remove(can->hdr[pitem->hdr].list.next);
}
rt_hw_interrupt_enable(level);
rt_memset(&can->hdr[pitem->hdr].filter, 0,
sizeof(struct rt_can_filter_item));
}
rt_hw_interrupt_enable(level);
else
{
rt_hw_interrupt_enable(level);
}
count--;
pitem++;
}