Add: components, progress bar

components/components.go

@@ -0,0 +1,20 @@
+package components
+
+// Some general types
+
+type rect struct {
+	x int
+	y int
+	w int
+	h int
+}
+
+type RectGetter interface {
+	GetPos() (int, int)
+	GetSize() (int, int)
+}
+
+type RectSetter interface {
+	SetPos(x, y int)
+	SetSize(w, h int)
+}

components/progressbar.go

@@ -0,0 +1,117 @@
+package components
+
+import (
+	"fmt"
+	"io"
+
+	"gitea.unprism.ru/yotia/display-test/drawer"
+)
+
+type progressBar struct {
+	drawer   drawer.Drawer // Drawer with dysplay
+	mask     uint32        // Flush mask
+	progress float64
+
+	rect rect // Rect
+}
+
+type ProgressBar interface {
+	RectGetter
+
+	SetProgress(coef float64) // Value from 0 to 1
+	Draw()                    // For any cases
+	Clear()                   // Clear space of bar
+	Flush()                   // For those times like after SetPos
+
+	io.Closer
+}
+
+// Creation function
+// Now the only way to chage shape is to recreate component
+func NewProgressBar(drawer drawer.Drawer, x, y, w, h int) (ProgressBar, error) {
+	if err := drawer.GetDisplay().IsReady(); err != nil {
+		return nil, fmt.Errorf("display is ready: %w", err)
+	}
+
+	// Check for correct sizes
+	if w < 4 {
+		return nil, fmt.Errorf("invalid width: below 4")
+	}
+	if h < 4 {
+		return nil, fmt.Errorf("invalid height: below 4")
+	}
+	pb := progressBar{
+		drawer: drawer,
+		rect:   rect{x, y, w, h},
+	}
+
+	pb.updateMask()
+	pb.Draw()
+	pb.Flush()
+
+	return &pb, nil
+}
+
+func (pb *progressBar) Flush() {
+	pb.drawer.GetDisplay().FlushByMask(pb.mask)
+}
+
+func (pb *progressBar) updateMask() {
+	pb.mask = 0
+
+	// Implementation dependent !!!
+	// Now for mt12232
+	y0 := min(3, max(0, int(pb.rect.y/8)))
+	y1 := min(3, max(0, int((pb.rect.y+pb.rect.h-1)/8)))
+
+	x0 := min(1, max(0, int(pb.rect.x/61)))
+	x1 := min(1, max(0, int((pb.rect.x+pb.rect.w-1)/61)))
+
+	//log.Println(x0, y0, x1, y1)
+	for y := y0; y <= y1; y++ {
+		for x := x0; x <= x1; x++ {
+			pb.mask |= (1 << (x*4 + y))
+		}
+	}
+}
+
+func (pb *progressBar) Close() error {
+	return nil
+}
+
+func (pb *progressBar) Clear() {
+	pb.drawer.FillBar(pb.rect.x, pb.rect.y, pb.rect.x+pb.rect.w, pb.rect.y+pb.rect.h, 0x00)
+}
+
+// Draw whole bar
+func (pb *progressBar) Draw() {
+	// Shape:
+	// Bounds - 1px
+	// Padding - 1px
+	// Progress - the rest space
+	pb.Clear()
+	pb.drawer.PutBar(pb.rect.x, pb.rect.y, pb.rect.x+pb.rect.w, pb.rect.y+pb.rect.h, 0xFF)
+	pb.drawBar()
+}
+
+// Draw only bar(without frames)
+func (pb *progressBar) drawBar() {
+	w := int(float64(pb.rect.w-4) * pb.progress)
+
+	pb.drawer.FillBar(pb.rect.x+2, pb.rect.y+2, pb.rect.x+2+w, pb.rect.y+pb.rect.h-2, 0xFF)
+}
+
+func (pb *progressBar) SetProgress(coef float64) {
+	pb.progress = max(0, min(1, coef))
+
+	pb.drawBar()
+	pb.Flush()
+}
+
+func (pb *progressBar) GetPos() (int, int) {
+	return pb.rect.x, pb.rect.y
+}
+
+func (pb *progressBar) GetSize() (int, int) {
+	return pb.rect.w, pb.rect.h
+}

display/display.go

@@ -9,7 +9,11 @@ import (
 )
 
 type Display interface {
+	IsReady() error // Nil if it is ready, error with some info otherwise
+
 	Flush(crystal, page byte)
+	FlushByMask(mask uint32)
+	GetFlushMaskBit(crystal, page byte) uint32
 
 	// Image functions
 	GetImg() *image.Gray
@@ -17,7 +21,7 @@ type Display interface {
 	UnlockImg()
 	GetBounds() image.Rectangle
 
-	Test(ctx context.Context) error
+	Test(ctx context.Context) error // DEBUG ONLY
 
 	io.Closer
 }

display/mt-12232a.go

@@ -19,11 +19,16 @@ const (
 	mt12232aW    = 122
 	mt12232aH    = 32
 	flushChanCap = 24 // Flush channel capacity
+
+	flushUpdateTimeout = 5 * time.Millisecond
 )
 
 type displayMt12232a struct {
 	logger *log.Logger
 
+	// Some state flags
+	isTurnedOn bool
+
 	// Image
 	img      *image.Gray
 	imgMutex sync.Mutex
@@ -145,6 +150,14 @@ func (d *displayMt12232a) powerOn() error {
 	if d.dev.ReadStatus(1)&0x20 != 0 {
 		return fmt.Errorf("Right cristal is off")
 	}
+	d.isTurnedOn = true
+	return nil
+}
+
+func (d *displayMt12232a) IsReady() error {
+	if !d.isTurnedOn {
+		return fmt.Errorf("display is turned off")
+	}
 	return nil
 }
 
@@ -217,12 +230,22 @@ func (d *displayMt12232a) Flush(crystal, page byte) {
 	d.pagesFlushFlags.Store(d.pagesFlushFlags.Load() | bit)
 }
 
+func (d *displayMt12232a) FlushByMask(mask uint32) {
+	// !!! TODO Need to update GO to 1.23 to use .Or !!!
+	d.pagesFlushFlags.Store(d.pagesFlushFlags.Load() | mask)
+}
+
+func (d *displayMt12232a) GetFlushMaskBit(crystal, page byte) uint32 {
+	return uint32(1 << (crystal*4 + page))
+}
+
 func (d *displayMt12232a) Close() error {
 	if d.flushCancel != nil {
 		d.flushCancel()
 		d.flushCancel = nil
 		<-d.flushDone
 	}
+	d.isTurnedOn = false
 	return d.dev.Close()
 }
 
@@ -233,10 +256,10 @@ func (d *displayMt12232a) flushLoop(ctx context.Context) {
 		case <-ctx.Done():
 			close(d.flushDone)
 			return
-		case <-time.After(time.Millisecond):
+		case <-time.After(flushUpdateTimeout):
 			forUpdate := d.pagesFlushFlags.Swap(0)
 			checkBit := uint32(1)
-			st := time.Now()
+			//st := time.Now()
 			d.LockImg()
 			for p := byte(0); p < 4; p++ {
 				if forUpdate&(checkBit) != 0 {
@@ -257,7 +280,7 @@ func (d *displayMt12232a) flushLoop(ctx context.Context) {
 				}
 				checkBit = checkBit << 1
 			}
-			d.logger.Printf("%08b - %s\n", forUpdate, time.Since(st))
+			//d.logger.Printf("%08b - %s\n", forUpdate, time.Since(st))
 			for p := byte(0); p < 4; p++ {
 				if forUpdate&(checkBit) != 0 {
 					d.dev.WriteCode(1, (3-p)|0xB8)

display/mt-12864a.go

@@ -37,7 +37,8 @@ func newMt12864a(logger *log.Logger) (Display, error) {
 	d.test()
 	d.logger.Println("Draw finished")
 
-	return &d, nil
+	//return &d, nil
+	return nil, fmt.Errorf("IMPLEMENTATION COMMENTED")
 }
 
 func (d *displayMt12864a) Test(ctx context.Context) error {
@@ -145,6 +146,9 @@ func (d *displayMt12864a) GetBounds() image.Rectangle {
 func (d *displayMt12864a) Flush(crystal, page byte) {
 }
 
+func (d *displayMt12864a) FlushByMask(mask uint32) {
+}
+
 func (d *displayMt12864a) Close() error {
 	return rpio.Close()
 }

display/ssd1306.go

@@ -42,11 +42,13 @@ func newSsd1306(logger *log.Logger) (Display, error) {
 		return nil, fmt.Errorf("create i2c: %w", err)
 	}
 
-	return &displaySsd1306{
+	_ = displaySsd1306{
 		logger: logger,
 		bus:    bus,
 		dev:    dev,
-	}, nil
+	}
+
+	return nil, fmt.Errorf("IMPLEMENTATION COMMENTED")
 }
 
 func (d *displaySsd1306) GetBounds() image.Rectangle {
@@ -61,6 +63,10 @@ func (d *displaySsd1306) Flush(crystal, page byte) {
 	//return d.dev.Draw(img.Bounds(), d.img, image.Point{})
 }
 
+func (d *displaySsd1306) FlushByMask(mask uint32) {
+	//return d.dev.Draw(img.Bounds(), d.img, image.Point{})
+}
+
 func (d *displaySsd1306) Close() error {
 	if err := d.bus.Close(); err != nil {
 		d.logger.Println("ERROR: close i2c bus:", err.Error())

drawer/bar.go

@@ -2,7 +2,7 @@ package drawer
 
 import "math"
 
-func (d *drawer) FillBar(sx, sy, ex, ey, color int) {
+func (d *drawer) FillBar(sx, sy, ex, ey int, color byte) {
 	d.dev.LockImg()
 	defer d.dev.UnlockImg()
 
@@ -18,12 +18,12 @@ func (d *drawer) FillBar(sx, sy, ex, ey, color int) {
 		addr := lineaddr
 		le := addr + w
 		for ; addr < le; addr++ {
-			d.img.Pix[addr] = 255
+			d.img.Pix[addr] = color
 		}
 	}
 }
 
-func (d *drawer) PutBar(sx, sy, ex, ey, color int) {
+func (d *drawer) PutBar(sx, sy, ex, ey int, color byte) {
 	d.dev.LockImg()
 	defer d.dev.UnlockImg()
 
@@ -36,7 +36,7 @@ func (d *drawer) PutBar(sx, sy, ex, ey, color int) {
 		x1 := int(math.Min(float64(ex), float64(bounds.Dx())))
 
 		for addr := sy*bounds.Dx() + x0; addr < sy*bounds.Dx()+x1; addr++ {
-			d.img.Pix[addr] = 255
+			d.img.Pix[addr] = color
 		}
 	}
 	// Bottom
@@ -45,7 +45,7 @@ func (d *drawer) PutBar(sx, sy, ex, ey, color int) {
 		x1 := int(math.Min(float64(ex), float64(bounds.Dx())))
 
 		for addr := (ey-1)*bounds.Dx() + x0; addr < (ey-1)*bounds.Dx()+x1; addr++ {
-			d.img.Pix[addr] = 255
+			d.img.Pix[addr] = color
 		}
 	}
 	// Left
@@ -54,7 +54,7 @@ func (d *drawer) PutBar(sx, sy, ex, ey, color int) {
 		y1 := int(math.Min(float64(ey), float64(bounds.Dy())))
 
 		for addr := y0*bounds.Dx() + sx; addr < y1*bounds.Dx()+sx; addr += bounds.Dx() {
-			d.img.Pix[addr] = 255
+			d.img.Pix[addr] = color
 		}
 	}
 	// Right
@@ -63,7 +63,7 @@ func (d *drawer) PutBar(sx, sy, ex, ey, color int) {
 		y1 := int(math.Min(float64(ey), float64(bounds.Dy())))
 
 		for addr := y0*bounds.Dx() + (ex - 1); addr < y1*bounds.Dx()+(ex-1); addr += bounds.Dx() {
-			d.img.Pix[addr] = 255
+			d.img.Pix[addr] = color
 		}
 	}
 }

drawer/drawer.go

@@ -15,13 +15,16 @@ type drawer struct {
 type Drawer interface {
 	GetDisplay() display.Display
 
+	W() int
+	H() int
+
 	Clear()
 	Flush()
 
 	PutText(x, y int, text string)
 
-	PutBar(x0, y0, x1, y1, color int)
-	FillBar(x0, y0, x1, y1, color int)
+	PutBar(x0, y0, x1, y1 int, color byte)
+	FillBar(x0, y0, x1, y1 int, color byte)
 }
 
 func New(dev display.Display) Drawer {
@@ -37,6 +40,14 @@ func (d *drawer) GetDisplay() display.Display {
 	return d.dev
 }
 
+func (d *drawer) W() int {
+	return d.img.Rect.Dx()
+}
+
+func (d *drawer) H() int {
+	return d.img.Rect.Dy()
+}
+
 func (d *drawer) Clear() {
 	d.dev.LockImg()
 	defer d.dev.UnlockImg()

drawer/font.go

@@ -11,6 +11,7 @@ const (
 	LineGap   = 1
 	FontCharW = 5
 	FontCharH = 7
+	LineH     = FontCharH + LineGap
 )
 
 // Standard ASCII 5x7 font

main.go

@@ -4,12 +4,12 @@ import (
 	"context"
 	"fmt"
 	"log"
-	"math"
 	"os"
 	"os/signal"
 	"syscall"
 	"time"
 
+	"gitea.unprism.ru/yotia/display-test/components"
 	"gitea.unprism.ru/yotia/display-test/display"
 	"gitea.unprism.ru/yotia/display-test/drawer"
 
@@ -94,22 +94,35 @@ func Init(ctx context.Context) error {
 
 	d.Clear()
 	//d.FillBar(0, 0, 10, 10, 1)
-	stTime := time.Now()
-	for {
+	d.PutText(2, 0, "12345678901234567890")
+	d.PutText(2, drawer.LineH, "WWWWWWWWWWWWWWWWWWWWWWW")
+	d.PutText(1, drawer.LineH*2, "Progress bar")
+	d.Flush()
+
+	time.Sleep(time.Second)
+
+	pb, err := components.NewProgressBar(d, 0, drawer.LineH*3, d.W(), drawer.LineH)
+
+	time.Sleep(time.Second)
+	if err != nil {
+		return fmt.Errorf("create progress bar: %w", err)
+	}
+	for x := 0; x < 100; x++ {
 		select {
 		case <-ctx.Done():
 			return nil
-		default:
-			t := float64(time.Since(stTime).Milliseconds()) / 1000
-			x := math.Sin(t)*10 + 5
-			y := math.Cos(t)*10 + 5
-			d.Clear()
-			d.PutText(int(x), int(y), "CGSG forever")
-			stT := time.Now()
-			d.Flush()
-			logger.Println("Iteration time:", time.Since(stT))
+		case <-time.After(10 * time.Millisecond):
+			pb.SetProgress(float64(x) / 100)
+
 		}
 	}
+	pb.Clear()
+	pb.Close()
+	d.FillBar(0, drawer.LineH*2, d.W(), drawer.LineH*3, 0)
+	d.PutText(1, drawer.LineH*2, "Done")
+	d.Flush()
+	time.Sleep(100 * time.Millisecond)
+
 	//d.PutText(0, 0, "можно 4 строки впихнуть")
 	//d.PutText(0, drawer.FontCharH+drawer.LineGap, "каждая буква 5x7")
 	//d.PutText(0, (drawer.FontCharH+drawer.LineGap)*2, "+ русский через жопу")