examples: tinyscan to replace clue-scanner, also works on pyportal and pybadge+airlift

Signed-off-by: deadprogram <[email protected]>

Author: deadprogram

examples/clue-scanner/main.go

@@ -0,0 +1,48 @@
+//go:build clue
+
+package main
+
+import (
+	"machine"
+
+	"tinygo.org/x/drivers/st7789"
+	"tinygo.org/x/tinyfont/proggy"
+	"tinygo.org/x/tinyterm"
+)
+
+var (
+	font = &proggy.TinySZ8pt7b
+)
+
+func initTerminal() {
+	machine.SPI1.Configure(machine.SPIConfig{
+		Frequency: 8000000,
+		SCK:       machine.TFT_SCK,
+		SDO:       machine.TFT_SDO,
+		SDI:       machine.TFT_SDO,
+		Mode:      0,
+	})
+
+	display := st7789.New(machine.SPI1,
+		machine.TFT_RESET,
+		machine.TFT_DC,
+		machine.TFT_CS,
+		machine.TFT_LITE)
+
+	display.Configure(st7789.Config{
+		Rotation: st7789.ROTATION_90,
+		//Height:     320,
+		FrameRate:  st7789.FRAMERATE_111,
+		VSyncLines: st7789.MAX_VSYNC_SCANLINES,
+	})
+
+	display.FillScreen(black)
+
+	terminal = tinyterm.NewTerminal(&display)
+	terminal.Configure(&tinyterm.Config{
+		Font:              font,
+		FontHeight:        10,
+		FontOffset:        6,
+		UseSoftwareScroll: true,
+	})
+}

examples/tinyscan/clue.go

@@ -0,0 +1,55 @@
+package main
+
+import (
+	"fmt"
+	"image/color"
+	"time"
+
+	"tinygo.org/x/bluetooth"
+	"tinygo.org/x/tinyterm"
+)
+
+var (
+	terminal *tinyterm.Terminal
+
+	black   = color.RGBA{0, 0, 0, 255}
+	adapter = bluetooth.DefaultAdapter
+)
+
+func main() {
+	initTerminal()
+
+	terminalOutput("enable interface...")
+
+	must("enable BLE interface", adapter.Enable())
+	time.Sleep(time.Second)
+
+	terminalOutput("start scan...")
+
+	must("start scan", adapter.Scan(scanHandler))
+
+	for {
+		time.Sleep(time.Minute)
+		terminalOutput("scanning...")
+	}
+}
+
+func scanHandler(adapter *bluetooth.Adapter, device bluetooth.ScanResult) {
+	msg := fmt.Sprintf("%s %d %s", device.Address.String(), device.RSSI, device.LocalName())
+	terminalOutput(msg)
+}
+
+func must(action string, err error) {
+	if err != nil {
+		for {
+			terminalOutput("failed to " + action + ": " + err.Error())
+
+			time.Sleep(time.Second)
+		}
+	}
+}
+
+func terminalOutput(s string) {
+	println(s)
+	fmt.Fprintf(terminal, "\n%s", s)
+}

examples/tinyscan/main.go

@@ -0,0 +1,39 @@
+//go:build pybadge
+
+package main
+
+import (
+	"machine"
+
+	"tinygo.org/x/drivers/st7735"
+	"tinygo.org/x/tinyfont"
+	"tinygo.org/x/tinyterm"
+)
+
+var (
+	font = &tinyfont.Picopixel
+)
+
+func initTerminal() {
+	machine.SPI1.Configure(machine.SPIConfig{
+		SCK:       machine.SPI1_SCK_PIN,
+		SDO:       machine.SPI1_SDO_PIN,
+		SDI:       machine.SPI1_SDI_PIN,
+		Frequency: 8000000,
+	})
+
+	display := st7735.New(machine.SPI1, machine.TFT_RST, machine.TFT_DC, machine.TFT_CS, machine.TFT_LITE)
+	display.Configure(st7735.Config{
+		Rotation: st7735.ROTATION_90,
+	})
+
+	display.FillScreen(black)
+
+	terminal = tinyterm.NewTerminal(&display)
+	terminal.Configure(&tinyterm.Config{
+		Font:              font,
+		FontHeight:        8,
+		FontOffset:        4,
+		UseSoftwareScroll: true,
+	})
+}

examples/tinyscan/pybadge.go

@@ -0,0 +1,45 @@
+//go:build pyportal
+
+package main
+
+import (
+	"machine"
+
+	"tinygo.org/x/drivers/ili9341"
+	"tinygo.org/x/tinyfont/proggy"
+	"tinygo.org/x/tinyterm"
+)
+
+var (
+	font = &proggy.TinySZ8pt7b
+)
+
+func initTerminal() {
+	display := ili9341.NewParallel(
+		machine.LCD_DATA0,
+		machine.TFT_WR,
+		machine.TFT_DC,
+		machine.TFT_CS,
+		machine.TFT_RESET,
+		machine.TFT_RD,
+	)
+
+	// configure backlight
+	backlight := machine.TFT_BACKLIGHT
+	backlight.Configure(machine.PinConfig{machine.PinOutput})
+
+	// configure display
+	display.Configure(ili9341.Config{})
+	display.SetRotation(ili9341.Rotation270)
+	display.FillScreen(black)
+
+	backlight.High()
+
+	terminal = tinyterm.NewTerminal(display)
+	terminal.Configure(&tinyterm.Config{
+		Font:              font,
+		FontHeight:        10,
+		FontOffset:        6,
+		UseSoftwareScroll: true,
+	})
+}