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サンプルの追加 25_cputemp #39

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サンプルの追加 25_cputemp #39

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53 changes: 53 additions & 0 deletions 25_cputemp/main.go
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Original file line number Diff line number Diff line change
@@ -0,0 +1,53 @@
package main

import (
"fmt"
"image/color"
"machine"
"time"

"tinygo.org/x/drivers"
"tinygo.org/x/drivers/ssd1306"
"tinygo.org/x/tinyfont"
"tinygo.org/x/tinyfont/shnm"
)

var (
white = color.RGBA{R: 0xFF, G: 0xFF, B: 0xFF, A: 0xFF}
black = color.RGBA{R: 0x00, G: 0x00, B: 0x00, A: 0xFF}
)

type celsius float32

func (c celsius) String() string {
return fmt.Sprintf("温度:%4.1f℃", c)
}

func main() {

machine.I2C0.Configure(machine.I2CConfig{
Frequency: 2.8 * machine.MHz,
SDA: machine.GPIO12,
SCL: machine.GPIO13,
})

display := ssd1306.NewI2C(machine.I2C0)
display.Configure(ssd1306.Config{
Address: 0x3C,
Width: 128,
Height: 64,
})
display.SetRotation(drivers.Rotation180)
display.ClearDisplay()
time.Sleep(50 * time.Millisecond)

for {
temp := celsius(float32(machine.ReadTemperature()) / 1000)
println(temp.String())

display.ClearBuffer()
tinyfont.WriteLine(display, &shnm.Shnmk12, 5, 10, temp.String(), white)
display.Display()
time.Sleep(time.Second)
}
}
1 change: 1 addition & 0 deletions Makefile
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Original file line number Diff line number Diff line change
Expand Up @@ -27,4 +27,5 @@ smoketest:
tinygo build -o ./out/22_buzzer.uf2 --target waveshare-rp2040-zero --size short ./22_buzzer
tinygo build -o ./out/23_akatonbo.uf2 --target waveshare-rp2040-zero --size short ./23_akatonbo
tinygo build -o ./out/24_sht40.uf2 --target waveshare-rp2040-zero --size short ./24_sht40
tinygo build -o ./out/25_cputemp.uf2 --target waveshare-rp2040-zero --size short ./25_cputemp
tinygo build -o ./out/80_checker.uf2 --target waveshare-rp2040-zero --size short ./80_checker
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