mirror of
https://github.com/tinygo-org/drivers.git
synced 2026-07-26 10:38:41 +00:00
Yurii Soldak
c710cc8236
* ssd1xxx: break dependency from machine package * fix ssd1289 example * simplify
70 lines
1.7 KiB
Go
70 lines
1.7 KiB
Go
package main
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import (
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"image/color"
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"machine"
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"math/rand"
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"tinygo.org/x/drivers/internal/pin"
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"tinygo.org/x/drivers/ssd1289"
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)
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func main() {
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//The SSD1289 is configured in 16 bit parallel mode and requires 16 GPIOs
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//The Pin bus is the most flexible but ineffecient method it switches
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//individual pins on and off. If you are able to use consecutive pins
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//consider creating a more efficient bus implementation that uses
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//your microcontrollers built in "ports"
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//see rp2040bus.go for an example for the rapsberry pi pico
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bus := ssd1289.NewPinBus([16]pin.Output{
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machine.GP4, //DB0
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machine.GP5, //DB1
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machine.GP6, //DB2
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machine.GP7, //DB3
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machine.GP8, //DB4
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machine.GP9, //DB5
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machine.GP10, //DB6
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machine.GP11, //DB7
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machine.GP12, //DB8
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machine.GP13, //DB9
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machine.GP14, //DB10
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machine.GP15, //DB11
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machine.GP16, //DB12
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machine.GP17, //DB13
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machine.GP18, //DB14
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machine.GP19, //DB15
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})
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//Control pins for the SSD1289
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rs := machine.GP0
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wr := machine.GP1
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cs := machine.GP2
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rst := machine.GP3
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display := ssd1289.New(rs, wr, cs, rst, bus)
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display.Configure() //Sends intialization sequence to SSD1289.
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//!! After configure the display will contain random data and needs to be cleared
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background := color.RGBA{0, 0, 0, 255} //Black
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display.FillDisplay(background) //Clears the display to the given color
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for {
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//Draw random filled coloured rectangles
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x := int16(rand.Intn(120))
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w := int16(rand.Intn(120))
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y := int16(rand.Intn(160))
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h := int16(rand.Intn(160))
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r := uint8(rand.Intn(255))
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g := uint8(rand.Intn(255))
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b := uint8(rand.Intn(255))
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c := color.RGBA{r, g, b, 255}
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display.FillRect(x, y, w, h, c) //Fills the given rectangle the rest of the display is unaffected.
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}
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}
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