package embd

const (
	CapNormal int = 1 << iota
	CapI2C
	CapUART
	CapSPI
	CapGPMC
	CapLCD
	CapPWM
)

type PinDesc struct {
	N    int
	IDs  []string
	Caps int
}

type PinMap []*PinDesc

func (m PinMap) Lookup(k interface{}) (*PinDesc, bool) {
	switch key := k.(type) {
	case int:
		for i := range m {
			if m[i].N == key {
				return m[i], true
			}
		}
	case string:
		for i := range m {
			for j := range m[i].IDs {
				if m[i].IDs[j] == key {
					return m[i], true
				}
			}
		}
	}

	return nil, false
}