关于8670中ADK3.0,source中一个函数不怎么了解,请教下大神们
/****************************************************************************NAME
aghfp_get_instance_from_pointer - Returns AGHFP instance from AGHFP pointer
*/
aghfpInstance *aghfp_get_instance_from_pointer(AGHFP *aghfp)
{
uint16 index;
aghfpInstance *inst = theSource->aghfp_data.inst;
if (inst)
{
for_all_aghfp_instance(index)
{
if ((inst->aghfp != 0) && (inst->aghfp == aghfp))
return inst;
inst++;
}
}
return NULL;
}
请问下这个函数是干嘛的?不怎么了解
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