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88 lines
1.8 KiB
Go
88 lines
1.8 KiB
Go
package main
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import (
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"fmt"
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"image/color"
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"machine"
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"time"
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"tinygo.org/x/bluetooth"
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"tinygo.org/x/drivers/st7789"
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"tinygo.org/x/tinyterm"
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"tinygo.org/x/tinyterm/fonts/proggy"
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)
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var (
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display st7789.Device
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terminal = tinyterm.NewTerminal(&display)
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black = color.RGBA{0, 0, 0, 255}
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font = &proggy.TinySZ8pt7b
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adapter = bluetooth.DefaultAdapter
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)
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func main() {
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initDisplay()
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time.Sleep(time.Second)
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fmt.Fprintf(terminal, "\nenable interface...")
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println("enable interface...")
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must("enable BLE interface", adapter.Enable())
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time.Sleep(time.Second)
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println("start scan...")
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fmt.Fprintf(terminal, "\nstart scan...")
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must("start scan", adapter.Scan(scanHandler))
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for {
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time.Sleep(time.Minute)
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println("scanning...")
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fmt.Fprintf(terminal, "\nscanning...")
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}
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}
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func scanHandler(adapter *bluetooth.Adapter, device bluetooth.ScanResult) {
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println("device:", device.Address.String(), device.RSSI, device.LocalName())
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fmt.Fprintf(terminal, "\n%s %d %s", device.Address.String(), device.RSSI, device.LocalName())
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}
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func must(action string, err error) {
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if err != nil {
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for {
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println("failed to " + action + ": " + err.Error())
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time.Sleep(time.Second)
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}
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}
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}
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func initDisplay() {
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machine.SPI1.Configure(machine.SPIConfig{
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Frequency: 8000000,
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SCK: machine.TFT_SCK,
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SDO: machine.TFT_SDO,
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SDI: machine.TFT_SDO,
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Mode: 0,
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})
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display = st7789.New(machine.SPI1,
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machine.TFT_RESET,
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machine.TFT_DC,
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machine.TFT_CS,
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machine.TFT_LITE)
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display.Configure(st7789.Config{
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Rotation: st7789.ROTATION_180,
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Height: 320,
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FrameRate: st7789.FRAMERATE_111,
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VSyncLines: st7789.MAX_VSYNC_SCANLINES,
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})
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display.FillScreen(black)
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terminal.Configure(&tinyterm.Config{
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Font: font,
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FontHeight: 10,
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FontOffset: 6,
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})
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}
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