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Ayke van Laethem
3c01b7e222
It is needed to control the chip select pin when the st7789 display is wired together with some other SPI device on the same bus, for example if it shares the bus with SPI flash. This required some refactoring of the code to correctly set the CS pin everywhere. Notably, this removes the public Command, Data, Tx, and Rx methods which poke into private details of the st7789 driver and are therefore best hidden in my opinion.
TinyGo Drivers
This package provides a collection of hardware drivers for devices such as sensors and displays that can be used together with TinyGo.
Installing
go get tinygo.org/x/drivers
How to use
Here is an example in TinyGo that uses the BMP180 digital barometer:
package main
import (
"time"
"machine"
"tinygo.org/x/drivers/bmp180"
)
func main() {
machine.I2C0.Configure(machine.I2CConfig{})
sensor := bmp180.New(machine.I2C0)
sensor.Configure()
connected := sensor.Connected()
if !connected {
println("BMP180 not detected")
return
}
println("BMP180 detected")
for {
temp, _ := sensor.ReadTemperature()
println("Temperature:", float32(temp)/1000, "°C")
pressure, _ := sensor.ReadPressure()
println("Pressure", float32(pressure)/100000, "hPa")
time.Sleep(2 * time.Second)
}
}
Currently supported devices
The following 92 devices are supported.
Contributing
Your contributions are welcome!
Please take a look at our CONTRIBUTING.md document for details.
License
This project is licensed under the BSD 3-clause license, just like the Go project itself.