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Merged
merged 11 commits into from
Jun 15, 2020
Merged

ILI9341 TFT driver (SPI) #153

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1b41d0a
Add ili9341 spidriver (atsamd51)
sago35 May 19, 2020
3b77a1b
Add suport samd5x's SPI 32-bit extension
sago35 May 20, 2020
18f5f22
Add wioterminal examples for ILI9341
sago35 May 20, 2020
e5ce7b4
Delete //go:inline annotations
sago35 May 20, 2020
86805a6
Improve SPI performance
sago35 May 21, 2020
a86a22d
Update pin names
sago35 May 21, 2020
71e5cc3
Update pin names
sago35 May 24, 2020
33c4d3a
Fix tests
sago35 May 27, 2020
88fcc21
Remove unnecessary power control
sago35 Jun 6, 2020
eca6f9e
Remove unnecessary pins
sago35 Jun 9, 2020
5cd2e05
Fix register name
sago35 Jun 14, 2020
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6 changes: 4 additions & 2 deletions Makefile
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Original file line number Diff line number Diff line change
Expand Up @@ -57,9 +57,11 @@ smoke-test:
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=microbit ./examples/hub75/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=pyportal ./examples/ili9341/basic/main.go
tinygo build -size short -o ./build/test.hex -target=pyportal ./examples/ili9341/basic
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=pyportal ./examples/ili9341/scroll/main.go
tinygo build -size short -o ./build/test.hex -target=pyportal ./examples/ili9341/pyportal_boing
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=pyportal ./examples/ili9341/scroll
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=circuitplay-express ./examples/lis3dh/main.go
@md5sum ./build/test.hex
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13 changes: 2 additions & 11 deletions examples/ili9341/basic/main.go
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Original file line number Diff line number Diff line change
Expand Up @@ -9,15 +9,6 @@ import (
)

var (
display = ili9341.NewParallel(
machine.LCD_DATA0,
machine.TFT_WR,
machine.TFT_DC,
machine.TFT_CS,
machine.TFT_RESET,
machine.TFT_RD,
)

black = color.RGBA{0, 0, 0, 255}
white = color.RGBA{255, 255, 255, 255}
red = color.RGBA{255, 0, 0, 255}
Expand All @@ -27,13 +18,13 @@ var (

func main() {

machine.TFT_BACKLIGHT.Configure(machine.PinConfig{machine.PinOutput})
backlight.Configure(machine.PinConfig{machine.PinOutput})

display.Configure(ili9341.Config{})
width, height := display.Size()

display.FillScreen(black)
machine.TFT_BACKLIGHT.High()
backlight.High()

display.FillRectangle(0, 0, width/2, height/2, white)
display.FillRectangle(width/2, 0, width/2, height/2, red)
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22 changes: 22 additions & 0 deletions examples/ili9341/basic/pyportal.go
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Original file line number Diff line number Diff line change
@@ -0,0 +1,22 @@
// +build pyportal

package main

import (
"machine"

"tinygo.org/x/drivers/ili9341"
)

var (
display = ili9341.NewParallel(
machine.LCD_DATA0,
machine.TFT_WR,
machine.TFT_DC,
machine.TFT_CS,
machine.TFT_RESET,
machine.TFT_RD,
)

backlight = machine.TFT_BACKLIGHT
)
29 changes: 29 additions & 0 deletions examples/ili9341/basic/wioterminal.go
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@@ -0,0 +1,29 @@
// +build wioterminal

package main

import (
"machine"

"tinygo.org/x/drivers/ili9341"
)

var (
display = ili9341.NewSpi(
machine.SPI3,
machine.LCD_DC,
machine.LCD_SS_PIN,
machine.LCD_RESET,
)

backlight = machine.LCD_BACKLIGHT
)

func init() {
machine.SPI3.Configure(machine.SPIConfig{
SCK: machine.LCD_SCK_PIN,
MOSI: machine.LCD_MOSI_PIN,
MISO: machine.LCD_MISO_PIN,
Frequency: 40000000,
})
}
13 changes: 2 additions & 11 deletions examples/ili9341/pyportal_boing/main.go
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Original file line number Diff line number Diff line change
Expand Up @@ -25,15 +25,6 @@ const (
)

var (
display = ili9341.NewParallel(
machine.LCD_DATA0,
machine.TFT_WR,
machine.TFT_DC,
machine.TFT_CS,
machine.TFT_RESET,
machine.TFT_RD,
)

frameBuffer = [(graphics.BALLHEIGHT + 8) * (graphics.BALLWIDTH + 8)]uint16{}

startTime int64
Expand All @@ -56,15 +47,15 @@ var (
func main() {

// configure backlight
machine.TFT_BACKLIGHT.Configure(machine.PinConfig{machine.PinOutput})
backlight.Configure(machine.PinConfig{machine.PinOutput})

// configure display
display.Configure(ili9341.Config{})
print("width, height == ")
width, height := display.Size()
println(width, height)

machine.TFT_BACKLIGHT.High()
backlight.High()

display.SetRotation(ili9341.Rotation270)
DrawBackground()
Expand Down
22 changes: 22 additions & 0 deletions examples/ili9341/pyportal_boing/pyportal.go
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Original file line number Diff line number Diff line change
@@ -0,0 +1,22 @@
// +build pyportal

package main

import (
"machine"

"tinygo.org/x/drivers/ili9341"
)

var (
display = ili9341.NewParallel(
machine.LCD_DATA0,
machine.TFT_WR,
machine.TFT_DC,
machine.TFT_CS,
machine.TFT_RESET,
machine.TFT_RD,
)

backlight = machine.TFT_BACKLIGHT
)
29 changes: 29 additions & 0 deletions examples/ili9341/pyportal_boing/wioterminal.go
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Original file line number Diff line number Diff line change
@@ -0,0 +1,29 @@
// +build wioterminal

package main

import (
"machine"

"tinygo.org/x/drivers/ili9341"
)

var (
display = ili9341.NewSpi(
machine.SPI3,
machine.LCD_DC,
machine.LCD_SS_PIN,
machine.LCD_RESET,
)

backlight = machine.LCD_BACKLIGHT
)

func init() {
machine.SPI3.Configure(machine.SPIConfig{
SCK: machine.LCD_SCK_PIN,
MOSI: machine.LCD_MOSI_PIN,
MISO: machine.LCD_MISO_PIN,
Frequency: 40000000,
})
}
13 changes: 2 additions & 11 deletions examples/ili9341/scroll/main.go
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Original file line number Diff line number Diff line change
Expand Up @@ -9,15 +9,6 @@ import (
)

var (
display = ili9341.NewParallel(
machine.LCD_DATA0,
machine.TFT_WR,
machine.TFT_DC,
machine.TFT_CS,
machine.TFT_RESET,
machine.TFT_RD,
)

red = color.RGBA{255, 0, 0, 255}
blue = color.RGBA{0, 0, 255, 255}
green = color.RGBA{0, 255, 0, 255}
Expand All @@ -27,13 +18,13 @@ var (

func main() {

machine.TFT_BACKLIGHT.Configure(machine.PinConfig{machine.PinOutput})
backlight.Configure(machine.PinConfig{machine.PinOutput})

display.Configure(ili9341.Config{})
width, height := display.Size()

display.FillScreen(black)
machine.TFT_BACKLIGHT.High()
backlight.High()

display.FillRectangle(0, 0, width/2, height/2, white)
display.FillRectangle(width/2, 0, width/2, height/2, red)
Expand Down
22 changes: 22 additions & 0 deletions examples/ili9341/scroll/pyportal.go
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Original file line number Diff line number Diff line change
@@ -0,0 +1,22 @@
// +build pyportal

package main

import (
"machine"

"tinygo.org/x/drivers/ili9341"
)

var (
display = ili9341.NewParallel(
machine.LCD_DATA0,
machine.TFT_WR,
machine.TFT_DC,
machine.TFT_CS,
machine.TFT_RESET,
machine.TFT_RD,
)

backlight = machine.TFT_BACKLIGHT
)
29 changes: 29 additions & 0 deletions examples/ili9341/scroll/wioterminal.go
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Original file line number Diff line number Diff line change
@@ -0,0 +1,29 @@
// +build wioterminal

package main

import (
"machine"

"tinygo.org/x/drivers/ili9341"
)

var (
display = ili9341.NewSpi(
machine.SPI3,
machine.LCD_DC,
machine.LCD_SS_PIN,
machine.LCD_RESET,
)

backlight = machine.LCD_BACKLIGHT
)

func init() {
machine.SPI3.Configure(machine.SPIConfig{
SCK: machine.LCD_SCK_PIN,
MOSI: machine.LCD_MOSI_PIN,
MISO: machine.LCD_MISO_PIN,
Frequency: 40000000,
})
}
6 changes: 3 additions & 3 deletions ili9341/ili9341.go
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Original file line number Diff line number Diff line change
Expand Up @@ -281,15 +281,15 @@ func (d *Device) sendCommand(cmd byte, data []byte) {
d.dc.Low()
d.driver.write8(cmd)
d.dc.High()
for _, b := range data {
d.driver.write8(b)
}
d.driver.write8sl(data)
d.endWrite()
}

type driver interface {
configure(config *Config)
write8(b byte)
write8n(b byte, n int)
write8sl(b []byte)
write16(data uint16)
write16n(data uint16, n int)
write16sl(data []uint16)
Expand Down
14 changes: 14 additions & 0 deletions ili9341/parallel_atsamd51.go
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Original file line number Diff line number Diff line change
Expand Up @@ -72,6 +72,20 @@ func (pd *parallelDriver) wrx() {
volatile.StoreUint32(pd.wrPortSet, pd.wrMaskSet)
}

//go:inline
func (pd *parallelDriver) write8n(b byte, n int) {
for i := 0; i < n; i++ {
pd.write8(b)
}
}

//go:inline
func (pd *parallelDriver) write8sl(b []byte) {
for i := 0; i < len(b); i++ {
pd.write8(b[i])
}
}

//go:inline
func (pd *parallelDriver) write16(data uint16) {
pd.write8(byte(data >> 8))
Expand Down
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