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ssd1xxx: break dependency from machine package (#812)

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* ssd1xxx: break dependency from machine package
* fix ssd1289 example
* simplify
This commit is contained in:
Yurii Soldak
2025-11-12 09:40:34 +01:00
committed by GitHub
parent 4b831af52b
commit c710cc8236
6 changed files with 92 additions and 88 deletions
Download Patch File Download Diff File Expand all files Collapse all files
ssd1289/pinbus.go
+11 -20
View File
@@ -1,15 +1,19 @@
package ssd1289
import "machine"
import (
"tinygo.org/x/drivers/internal/legacy"
"tinygo.org/x/drivers/internal/pin"
)
type pinBus struct {
pins [16]machine.Pin
pins [16]pin.Output
}
func NewPinBus(pins [16]machine.Pin) pinBus {
func NewPinBus(pins [16]pin.Output) pinBus {
// configure GPIO pins (on baremetal targets only, for backwards compatibility)
for i := 0; i < 16; i++ {
pins[i].Configure(machine.PinConfig{Mode: machine.PinOutput})
legacy.ConfigurePinOut(pins[i])
}
return pinBus{
@@ -18,20 +22,7 @@ func NewPinBus(pins [16]machine.Pin) pinBus {
}
func (b pinBus) Set(data uint16) {
b.pins[15].Set((data & (1 << 15)) != 0)
b.pins[14].Set((data & (1 << 14)) != 0)
b.pins[13].Set((data & (1 << 13)) != 0)
b.pins[12].Set((data & (1 << 12)) != 0)
b.pins[11].Set((data & (1 << 11)) != 0)
b.pins[10].Set((data & (1 << 10)) != 0)
b.pins[9].Set((data & (1 << 9)) != 0)
b.pins[8].Set((data & (1 << 8)) != 0)
b.pins[7].Set((data & (1 << 7)) != 0)
b.pins[6].Set((data & (1 << 6)) != 0)
b.pins[5].Set((data & (1 << 5)) != 0)
b.pins[4].Set((data & (1 << 4)) != 0)
b.pins[3].Set((data & (1 << 3)) != 0)
b.pins[2].Set((data & (1 << 2)) != 0)
b.pins[1].Set((data & (1 << 1)) != 0)
b.pins[0].Set((data & (1 << 0)) != 0)
for i := 15; i >= 0; i-- {
b.pins[i].Set((data & (1 << i)) != 0)
}
}
ssd1289/ssd1289.go
+21 -18
View File
@@ -5,8 +5,10 @@ package ssd1289
import (
"image/color"
"machine"
"time"
"tinygo.org/x/drivers/internal/legacy"
"tinygo.org/x/drivers/internal/pin"
)
type Bus interface {
@@ -14,33 +16,34 @@ type Bus interface {
}
type Device struct {
rs machine.Pin
wr machine.Pin
cs machine.Pin
rst machine.Pin
rs pin.OutputFunc
wr pin.OutputFunc
cs pin.OutputFunc
rst pin.OutputFunc
bus Bus
}
const width = int16(240)
const height = int16(320)
func New(rs machine.Pin, wr machine.Pin, cs machine.Pin, rst machine.Pin, bus Bus) Device {
d := Device{
rs: rs,
wr: wr,
cs: cs,
rst: rst,
func New(rs, wr, cs, rst pin.Output, bus Bus) *Device {
d := &Device{
rs: rs.Set,
wr: wr.Set,
cs: cs.Set,
rst: rst.Set,
bus: bus,
}
rs.Configure(machine.PinConfig{Mode: machine.PinOutput})
wr.Configure(machine.PinConfig{Mode: machine.PinOutput})
cs.Configure(machine.PinConfig{Mode: machine.PinOutput})
rst.Configure(machine.PinConfig{Mode: machine.PinOutput})
// configure GPIO pins (only on baremetal targets, for backwards compatibility)
legacy.ConfigurePinOut(rs)
legacy.ConfigurePinOut(wr)
legacy.ConfigurePinOut(cs)
legacy.ConfigurePinOut(rst)
cs.High()
rst.High()
wr.High()
d.cs.High()
d.rst.High()
d.wr.High()
return d
}