commit 6c68465d9ca5295f1664b686a6526161aa814107
Author: Joel Wetzell <git@jwetzell.com>
Date:   Thu Apr 9 23:14:30 2026 -0500

    mess around with m5stickc

diff --git a/m5stickc/go.mod b/m5stickc/go.mod
new file mode 100644
index 0000000..12e78d7
--- /dev/null
+++ b/m5stickc/go.mod
@@ -0,0 +1,7 @@
+module m5stickc
+
+go 1.25.8
+
+require tinygo.org/x/drivers v0.34.0
+
+require github.com/google/shlex v0.0.0-20191202100458-e7afc7fbc510 // indirect
diff --git a/m5stickc/go.sum b/m5stickc/go.sum
new file mode 100644
index 0000000..a1c68f7
--- /dev/null
+++ b/m5stickc/go.sum
@@ -0,0 +1,4 @@
+github.com/google/shlex v0.0.0-20191202100458-e7afc7fbc510 h1:El6M4kTTCOh6aBiKaUGG7oYTSPP8MxqL4YI3kZKwcP4=
+github.com/google/shlex v0.0.0-20191202100458-e7afc7fbc510/go.mod h1:pupxD2MaaD3pAXIBCelhxNneeOaAeabZDe5s4K6zSpQ=
+tinygo.org/x/drivers v0.34.0 h1:lw8ePJeUSn9oICKBvQXHC9TIE+J00OfXfkGTrpXM9Iw=
+tinygo.org/x/drivers v0.34.0/go.mod h1:ZdErNrApSABdVXjA1RejD67R8SNRI6RKVfYgQDZtKtk=
diff --git a/m5stickc/main.go b/m5stickc/main.go
new file mode 100644
index 0000000..00f7973
--- /dev/null
+++ b/m5stickc/main.go
@@ -0,0 +1,87 @@
+package main
+
+import (
+	"image/color"
+	"machine"
+	"time"
+
+	"tinygo.org/x/drivers/axp192"
+	"tinygo.org/x/drivers/st7735"
+)
+
+func main() {
+	i2c := machine.I2C0
+
+	i2c.Configure(machine.I2CConfig{
+		Frequency: 100e3,
+		SCL:       machine.GPIO22,
+		SDA:       machine.GPIO21,
+	})
+
+	axp := axp192.New(i2c)
+	axp.SetLDOEnable(2, true)
+
+	machine.SPI2.Configure(machine.SPIConfig{
+		Frequency: 27000000,
+		SCK:       machine.GPIO13,
+		SDO:       machine.GPIO15,
+	})
+	time.Sleep(time.Second)
+	display := st7735.New(
+		machine.SPI2,
+		machine.GPIO18,
+		machine.GPIO23,
+		machine.GPIO5,
+		machine.NoPin,
+	)
+	display.Configure(st7735.Config{
+		Model:  st7735.MINI80x160,
+		Width:  80,
+		Height: 160,
+		// ColumnOffset: 26,
+		// RowOffset:    1,
+		Rotation: st7735.ROTATION_270,
+	})
+
+	red := color.RGBA{255, 0, 0, 255}
+	blue := color.RGBA{0, 0, 255, 255}
+	black := color.RGBA{0, 0, 0, 255}
+
+	display.FillScreen(black)
+	time.Sleep(500 * time.Millisecond)
+	display.FillScreen(red)
+	time.Sleep(500 * time.Millisecond)
+	display.FillScreen(black)
+
+	led := machine.GPIO10
+	led.Configure(machine.PinConfig{Mode: machine.PinOutput})
+	led.Set(true)
+
+	buttonA := machine.GPIO37
+	buttonA.Configure(machine.PinConfig{Mode: machine.PinInput})
+
+	buttonB := machine.GPIO39
+	buttonB.Configure(machine.PinConfig{Mode: machine.PinInput})
+
+	for {
+		// display.FillScreen(red)
+		// time.Sleep(500 * time.Millisecond)
+		// display.FillScreen(black)
+		// time.Sleep(500 * time.Millisecond)
+
+		valueA := buttonA.Get()
+		valueB := buttonB.Get()
+
+		if !valueA {
+			display.FillRectangle(0, 0, 80, 80, red)
+		} else {
+			display.FillRectangle(0, 0, 80, 80, black)
+		}
+
+		if !valueB {
+			display.FillRectangle(80, 0, 80, 80, blue)
+		} else {
+			display.FillRectangle(80, 0, 80, 80, black)
+		}
+	}
+}