BOOL release_db_mem(INT32 db_code)
{
INT32 ret;
ret = ERR_FAILED;
// two case:nofree DB_NODE or x_mem no free space
if( (ERR_FAILED==db_code) && (db_block.index < db_block.max_count) )
db_code = ERR_NO_MEM;
if(ERR_NO_MEM==db_code)
{// free data: first choice, free one day extend data; second choice, free one day data; third choice, free one tp data
if(can_free(EXT_DATA)&&ret!=SUCCESS)
ret = data_release_extend();
if(can_free(EVN_DATA)&&ret!=SUCCESS)
ret = data_release_event();
while(can_free(TP_DATA)&&ret!=SUCCESS)
ret = data_release_tp();
}
else
{// no free DB_NODE, free event node: first choice, free one day event data; second choice, free one tp data
if(can_free(EVN_DATA)&&ret!=SUCCESS)
ret = data_release_event();
while(can_free(TP_DATA)&&ret!=SUCCESS)
ret = data_release_tp();
}
return ret;
}
CAN::~CAN() {
// No lock needed in destructor
can_irq_free(&_can);
can_free(&_can);
}
CAN::~CAN() {
can_free(&_can);
}
CAN::~CAN() {
can_irq_free(&_can);
can_free(&_can);
}
