andygeiss/esp32-controller

package digital

const (
    // High ...
    High = 1
    // Low ...
    Low = 0
    // ModeInput ...
    ModeInput = 0
    // ModeOutput ...
    ModeOutput = 1
    // PinsMax ...
    PinsMax = 48
)

var (
    // GPIOModes ...
    GPIOModes = make(map[int]int, PinsMax)
    // GPIOValues ...
    GPIOValues = make(map[int]int, PinsMax)
)

// IsPinValid ...
func IsPinValid(pin int) bool {
    return pin <= PinsMax && pin > 0
}

// PinMode configures the specified pin to behave either as an input or an output.
// @see: https://www.arduino.cc/reference/en/language/functions/digital-io/pinmode/
func PinMode(pin, mode int) {
    if IsPinValid(pin) {
        GPIOModes[pin] = mode
    }
}

// Write sets a HIGH or a LOW value to a digital pin.
// @see: https://www.arduino.cc/reference/en/language/functions/digital-io/digitalwrite/
func Write(pin, value int) {
    if IsPinValid(pin) {
        GPIOValues[pin] = value
    }
}