libs/rt-thread
libs
/
rt-thread
4
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

[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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
components/drivers/can/can.c
View File

@ -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_remove(&tx_tosnd->list);
} }
rt_list_insert_before(&tx_fifo->freelist, &tx_tosnd->list); rt_list_insert_before(&tx_fifo->freelist, &tx_tosnd->list);
rt_completion_done(&(tx_fifo->completion));
rt_hw_interrupt_enable(level); rt_hw_interrupt_enable(level);
if (result == RT_CAN_SND_RESULT_OK) 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); rt_hw_interrupt_enable(level);
break; 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); return (size - msgs);
@ -541,13 +535,13 @@ static rt_err_t rt_can_control(struct rt_device *dev,
{ {
rt_completion_done(&(tx_fifo->completion)); rt_completion_done(&(tx_fifo->completion));
level = rt_hw_interrupt_disable();
for (i = 0; i < can->config.sndboxnumber; i++) for (i = 0; i < can->config.sndboxnumber; i++)
{ {
level = rt_hw_interrupt_disable();
rt_list_remove(&tx_fifo->buffer[i].list); rt_list_remove(&tx_fifo->buffer[i].list);
}
rt_hw_interrupt_enable(level); rt_hw_interrupt_enable(level);
} }
}
else else
{ {
for (i = 0; i < can->config.sndboxnumber; i++) for (i = 0; i < can->config.sndboxnumber; i++)
@ -600,8 +594,10 @@ static rt_err_t rt_can_control(struct rt_device *dev,
level = rt_hw_interrupt_disable(); level = rt_hw_interrupt_disable();
if (!can->hdr[pitem->hdr].connected) if (!can->hdr[pitem->hdr].connected)
{ {
rt_hw_interrupt_enable(level);
rt_memcpy(&can->hdr[pitem->hdr].filter, pitem, rt_memcpy(&can->hdr[pitem->hdr].filter, pitem,
sizeof(struct rt_can_filter_item)); sizeof(struct rt_can_filter_item));
level = rt_hw_interrupt_disable();
can->hdr[pitem->hdr].connected = 1; can->hdr[pitem->hdr].connected = 1;
can->hdr[pitem->hdr].msgs = 0; can->hdr[pitem->hdr].msgs = 0;
rt_list_init(&can->hdr[pitem->hdr].list); 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) 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].connected = 0;
can->hdr[pitem->hdr].msgs = 0; can->hdr[pitem->hdr].msgs = 0;
if (!rt_list_isempty(&can->hdr[pitem->hdr].list)) if (!rt_list_isempty(&can->hdr[pitem->hdr].list))
{ {
rt_list_remove(can->hdr[pitem->hdr].list.next); rt_list_remove(can->hdr[pitem->hdr].list.next);
} }
}
rt_hw_interrupt_enable(level); rt_hw_interrupt_enable(level);
rt_memset(&can->hdr[pitem->hdr].filter, 0,
sizeof(struct rt_can_filter_item));
}
else
{
rt_hw_interrupt_enable(level);
}
count--; count--;
pitem++; pitem++;
} }