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Code Issues Packages Projects Releases 10 Wiki Activity

ILI9341 TFT driver (SPI) (#153)

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* ili9341: Add spidriver
This commit is contained in:
sago35
2020-06-16 01:46:13 +09:00
committed by GitHub
parent 21ba9392e2
commit 941ea4e28b
13 changed files with 296 additions and 38 deletions
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Makefile
+4 -2
View File
@@ -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
examples/ili9341/basic/main.go
+2 -11
View File
@@ -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}
@@ -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)
examples/ili9341/basic/pyportal.go
+22
View File
@@ -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
)
examples/ili9341/basic/wioterminal.go
+29
View File
@@ -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,
})
}
examples/ili9341/pyportal_boing/main.go
+2 -11
View File
@@ -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
@@ -56,7 +47,7 @@ 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{})
@@ -64,7 +55,7 @@ func main() {
width, height := display.Size()
println(width, height)
machine.TFT_BACKLIGHT.High()
backlight.High()
display.SetRotation(ili9341.Rotation270)
DrawBackground()
examples/ili9341/pyportal_boing/pyportal.go
+22
View File
@@ -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
)
examples/ili9341/pyportal_boing/wioterminal.go
+29
View File
@@ -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,
})
}
examples/ili9341/scroll/main.go
+2 -11
View File
@@ -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}
@@ -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)
examples/ili9341/scroll/pyportal.go
+22
View File
@@ -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
)
examples/ili9341/scroll/wioterminal.go
+29
View File
@@ -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,
})
}
ili9341/ili9341.go
+3 -3
View File
@@ -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)
ili9341/parallel_atsamd51.go
+14
View File
@@ -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))
ili9341/spi_atsamd51.go
+116
View File
@@ -0,0 +1,116 @@
// +build atsamd51
package ili9341
import (
"device/sam"
"machine"
)
type spiDriver struct {
bus machine.SPI
}
func NewSpi(bus machine.SPI, dc, cs, rst machine.Pin) *Device {
return &Device{
dc: dc,
cs: cs,
rst: rst,
rd: machine.NoPin,
driver: &spiDriver{
bus: bus,
},
}
}
func (pd *spiDriver) configure(config *Config) {
}
func (pd *spiDriver) write8(b byte) {
pd.bus.Bus.CTRLB.ClearBits(sam.SERCOM_SPIM_CTRLB_RXEN)
for !pd.bus.Bus.INTFLAG.HasBits(sam.SERCOM_SPIM_INTFLAG_DRE) {
}
pd.bus.Bus.DATA.Set(uint32(b))
pd.bus.Bus.CTRLB.SetBits(sam.SERCOM_SPIM_CTRLB_RXEN)
for pd.bus.Bus.SYNCBUSY.HasBits(sam.SERCOM_SPIM_SYNCBUSY_CTRLB) {
}
}
func (pd *spiDriver) write8n(b byte, n int) {
pd.bus.Bus.CTRLB.ClearBits(sam.SERCOM_SPIM_CTRLB_RXEN)
for i, c := 0, n; i < c; i++ {
for !pd.bus.Bus.INTFLAG.HasBits(sam.SERCOM_SPIM_INTFLAG_DRE) {
}
pd.bus.Bus.DATA.Set(uint32(b))
}
pd.bus.Bus.CTRLB.SetBits(sam.SERCOM_SPIM_CTRLB_RXEN)
for pd.bus.Bus.SYNCBUSY.HasBits(sam.SERCOM_SPIM_SYNCBUSY_CTRLB) {
}
}
func (pd *spiDriver) write8sl(b []byte) {
pd.bus.Bus.CTRLB.ClearBits(sam.SERCOM_SPIM_CTRLB_RXEN)
for i, c := 0, len(b); i < c; i++ {
for !pd.bus.Bus.INTFLAG.HasBits(sam.SERCOM_SPIM_INTFLAG_DRE) {
}
pd.bus.Bus.DATA.Set(uint32(b[i]))
}
pd.bus.Bus.CTRLB.SetBits(sam.SERCOM_SPIM_CTRLB_RXEN)
for pd.bus.Bus.SYNCBUSY.HasBits(sam.SERCOM_SPIM_SYNCBUSY_CTRLB) {
}
}
func (pd *spiDriver) write16(data uint16) {
pd.bus.Bus.CTRLB.ClearBits(sam.SERCOM_SPIM_CTRLB_RXEN)
for !pd.bus.Bus.INTFLAG.HasBits(sam.SERCOM_SPIM_INTFLAG_DRE) {
}
pd.bus.Bus.DATA.Set(uint32(uint8(data >> 8)))
for !pd.bus.Bus.INTFLAG.HasBits(sam.SERCOM_SPIM_INTFLAG_DRE) {
}
pd.bus.Bus.DATA.Set(uint32(uint8(data)))
pd.bus.Bus.CTRLB.SetBits(sam.SERCOM_SPIM_CTRLB_RXEN)
for pd.bus.Bus.SYNCBUSY.HasBits(sam.SERCOM_SPIM_SYNCBUSY_CTRLB) {
}
}
func (pd *spiDriver) write16n(data uint16, n int) {
pd.bus.Bus.CTRLB.ClearBits(sam.SERCOM_SPIM_CTRLB_RXEN)
for i := 0; i < n; i++ {
for !pd.bus.Bus.INTFLAG.HasBits(sam.SERCOM_SPIM_INTFLAG_DRE) {
}
pd.bus.Bus.DATA.Set(uint32(uint8(data >> 8)))
for !pd.bus.Bus.INTFLAG.HasBits(sam.SERCOM_SPIM_INTFLAG_DRE) {
}
pd.bus.Bus.DATA.Set(uint32(uint8(data)))
}
pd.bus.Bus.CTRLB.SetBits(sam.SERCOM_SPIM_CTRLB_RXEN)
for pd.bus.Bus.SYNCBUSY.HasBits(sam.SERCOM_SPIM_SYNCBUSY_CTRLB) {
}
}
func (pd *spiDriver) write16sl(data []uint16) {
pd.bus.Bus.CTRLB.ClearBits(sam.SERCOM_SPIM_CTRLB_RXEN)
for i, c := 0, len(data); i < c; i++ {
for !pd.bus.Bus.INTFLAG.HasBits(sam.SERCOM_SPIM_INTFLAG_DRE) {
}
pd.bus.Bus.DATA.Set(uint32(uint8(data[i] >> 8)))
for !pd.bus.Bus.INTFLAG.HasBits(sam.SERCOM_SPIM_INTFLAG_DRE) {
}
pd.bus.Bus.DATA.Set(uint32(uint8(data[i])))
}
pd.bus.Bus.CTRLB.SetBits(sam.SERCOM_SPIM_CTRLB_RXEN)
for pd.bus.Bus.SYNCBUSY.HasBits(sam.SERCOM_SPIM_SYNCBUSY_CTRLB) {
}
}