finish rewrites!

waveshare-epd/epd2in66b/dev.go

@@ -5,7 +5,6 @@ package epd2in66b
 
 import (
 	"image/color"
-	"machine"
 	"time"
 
 	"tinygo.org/x/drivers"
@@ -18,19 +17,12 @@ const (
 
 const Baudrate = 4_000_000 // 4 MHz
 
-type Config struct {
-	ResetPin      machine.Pin
-	DataPin       machine.Pin
-	ChipSelectPin machine.Pin
-	BusyPin       machine.Pin
-}
-
 type Device struct {
 	bus  drivers.SPI
-	cs   machine.Pin
-	dc   machine.Pin
-	rst  machine.Pin
-	busy machine.Pin
+	cs   drivers.PinOutput
+	dc   drivers.PinOutput
+	rst  drivers.PinOutput
+	busy drivers.PinInput
 
 	blackBuffer []byte
 	redBuffer   []byte
@@ -50,21 +42,6 @@ func New(bus drivers.SPI) Device {
 	}
 }
 
-// Configure configures the device and its pins.
-func (d *Device) Configure(c Config) error {
-	d.cs = c.ChipSelectPin
-	d.dc = c.DataPin
-	d.rst = c.ResetPin
-	d.busy = c.BusyPin
-
-	d.cs.Configure(machine.PinConfig{Mode: machine.PinOutput})
-	d.dc.Configure(machine.PinConfig{Mode: machine.PinOutput})
-	d.rst.Configure(machine.PinConfig{Mode: machine.PinOutput})
-	d.busy.Configure(machine.PinConfig{Mode: machine.PinInput})
-
-	return nil
-}
-
 func (d *Device) Size() (x, y int16) {
 	return displayWidth, displayHeight
 }
@@ -199,11 +176,11 @@ func (d *Device) setCursor(x, y uint16) error {
 }
 
 func (d *Device) hwReset() {
-	d.rst.High()
+	d.rst(true)
 	time.Sleep(50 * time.Millisecond)
-	d.rst.Low()
+	d.rst(false)
 	time.Sleep(2 * time.Millisecond)
-	d.rst.High()
+	d.rst(true)
 	time.Sleep(50 * time.Millisecond)
 }
 
@@ -229,7 +206,7 @@ func (d *Device) WaitUntilIdle() {
 	// give it some time to get busy
 	time.Sleep(50 * time.Millisecond)
 
-	for d.busy.Get() { // high = busy
+	for d.busy() { // high = busy
 		time.Sleep(10 * time.Millisecond)
 	}
 
@@ -255,26 +232,26 @@ func (d *Device) sendCommandSequence(seq []byte) error {
 }
 
 func (d *Device) sendCommandByte(b byte) error {
-	d.dc.Low()
-	d.cs.Low()
+	d.dc(false)
+	d.cs(false)
 	_, err := d.bus.Transfer(b)
-	d.cs.High()
+	d.cs(true)
 	return err
 }
 
 func (d *Device) sendDataByte(b byte) error {
-	d.dc.High()
-	d.cs.Low()
+	d.dc(true)
+	d.cs(false)
 	_, err := d.bus.Transfer(b)
-	d.cs.High()
+	d.cs(true)
 	return err
 }
 
 func (d *Device) sendData(b []byte) error {
-	d.dc.High()
-	d.cs.Low()
+	d.dc(true)
+	d.cs(false)
 	err := d.bus.Tx(b, nil)
-	d.cs.High()
+	d.cs(true)
 	return err
 }