/*----------------------------------------------------------------------------*/
const struct PinGroupEntry *pinGroupFind(const struct PinGroupEntry *list,
pinNumber key, uint8_t channel)
{
struct PinData pin;
pin.port = PIN_TO_PORT(key);
pin.offset = PIN_TO_OFFSET(key);
while (list->begin && list->end)
{
if (list->channel == channel)
{
const struct PinData begin = {
.offset = PIN_TO_OFFSET(list->begin),
.port = PIN_TO_PORT(list->begin)
};
const struct PinData end = {
.offset = PIN_TO_OFFSET(list->end),
.port = PIN_TO_PORT(list->end)
};
const bool found = pin.port >= begin.port && pin.port <= end.port
&& pin.offset >= begin.offset && pin.offset <= end.offset;
if (found)
return list;
}
++list;
}
return 0;
}
/*----------------------------------------------------------------------------*/
struct Pin pinInit(pinNumber id)
{
struct Pin pin;
pin.data.port = PIN_TO_PORT(id);
pin.data.offset = PIN_TO_OFFSET(id);
pin.reg = calcMaskedReg(pin.data);
return pin;
}
/*----------------------------------------------------------------------------*/
struct Pin pinInit(PinNumber id)
{
struct Pin pin;
pin.data.port = PIN_TO_PORT(id);
pin.data.offset = PIN_TO_OFFSET(id);
pin.reg = id ? calcPort(pin.data) : 0;
return pin;
}