mirror of
https://github.com/tinygo-org/drivers.git
synced 2026-07-26 10:38:41 +00:00
Ron Evans
33 lines
466 B
Go
33 lines
466 B
Go
// Connects to a MCP3008 ADC via SPI.
|
|
package main
|
|
|
|
import (
|
|
"machine"
|
|
"time"
|
|
|
|
"tinygo.org/x/drivers/mcp3008"
|
|
)
|
|
|
|
var (
|
|
spi = machine.SPI0
|
|
csPin = machine.D12
|
|
)
|
|
|
|
func main() {
|
|
spi.Configure(machine.SPIConfig{
|
|
Frequency: 4000000,
|
|
Mode: 3})
|
|
|
|
adc := mcp3008.New(spi, csPin)
|
|
adc.Configure()
|
|
|
|
// get "CH0" aka "machine.ADC" interface to channel 0 from ADC.
|
|
p := adc.CH0
|
|
|
|
for {
|
|
val := p.Get()
|
|
println(val)
|
|
time.Sleep(50 * time.Millisecond)
|
|
}
|
|
}
|