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sago35
2021-06-10 09:38:23 +09:00
parent 5645eb3f91
commit 915ca320de
6 changed files with 1530 additions and 1475 deletions
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ili9341/ili9341.go
+55 -36
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@@ -28,6 +28,35 @@ type Device struct {
rd machine.Pin
}
var cmdBuf [4]byte
var initCmd = []byte{
0xEF, 3, 0x03, 0x80, 0x02,
0xCF, 3, 0x00, 0xC1, 0x30,
0xED, 4, 0x64, 0x03, 0x12, 0x81,
0xE8, 3, 0x85, 0x00, 0x78,
0xCB, 5, 0x39, 0x2C, 0x00, 0x34, 0x02,
0xF7, 1, 0x20,
0xEA, 2, 0x00, 0x00,
PWCTR1, 1, 0x23, // Power control VRH[5:0]
PWCTR2, 1, 0x10, // Power control SAP[2:0];BT[3:0]
VMCTR1, 2, 0x3e, 0x28, // VCM control
VMCTR2, 1, 0x86, // VCM control2
MADCTL, 1, 0x48, // Memory Access Control
VSCRSADD, 1, 0x00, // Vertical scroll zero
PIXFMT, 1, 0x55,
FRMCTR1, 2, 0x00, 0x18,
DFUNCTR, 3, 0x08, 0x82, 0x27, // Display Function Control
0xF2, 1, 0x00, // 3Gamma Function Disable
GAMMASET, 1, 0x01, // Gamma curve selected
GMCTRP1, 15, 0x0F, 0x31, 0x2B, 0x0C, 0x0E, 0x08, // Set Gamma
0x4E, 0xF1, 0x37, 0x07, 0x10, 0x03, 0x0E, 0x09, 0x00,
GMCTRN1, 15, 0x00, 0x0E, 0x14, 0x03, 0x11, 0x07, // Set Gamma
0x31, 0xC1, 0x48, 0x08, 0x0F, 0x0C, 0x31, 0x36, 0x0F,
SLPOUT, 0x80, // Exit Sleep
DISPON, 0x80, // Display on
0x00, // End of list
}
// Configure prepares display for use
func (d *Device) Configure(config Config) {
@@ -80,33 +109,6 @@ func (d *Device) Configure(config Config) {
delay(150)
}
initCmd := []byte{
0xEF, 3, 0x03, 0x80, 0x02,
0xCF, 3, 0x00, 0xC1, 0x30,
0xED, 4, 0x64, 0x03, 0x12, 0x81,
0xE8, 3, 0x85, 0x00, 0x78,
0xCB, 5, 0x39, 0x2C, 0x00, 0x34, 0x02,
0xF7, 1, 0x20,
0xEA, 2, 0x00, 0x00,
PWCTR1, 1, 0x23, // Power control VRH[5:0]
PWCTR2, 1, 0x10, // Power control SAP[2:0];BT[3:0]
VMCTR1, 2, 0x3e, 0x28, // VCM control
VMCTR2, 1, 0x86, // VCM control2
MADCTL, 1, 0x48, // Memory Access Control
VSCRSADD, 1, 0x00, // Vertical scroll zero
PIXFMT, 1, 0x55,
FRMCTR1, 2, 0x00, 0x18,
DFUNCTR, 3, 0x08, 0x82, 0x27, // Display Function Control
0xF2, 1, 0x00, // 3Gamma Function Disable
GAMMASET, 1, 0x01, // Gamma curve selected
GMCTRP1, 15, 0x0F, 0x31, 0x2B, 0x0C, 0x0E, 0x08, // Set Gamma
0x4E, 0xF1, 0x37, 0x07, 0x10, 0x03, 0x0E, 0x09, 0x00,
GMCTRN1, 15, 0x00, 0x0E, 0x14, 0x03, 0x11, 0x07, // Set Gamma
0x31, 0xC1, 0x48, 0x08, 0x0F, 0x0C, 0x31, 0x36, 0x0F,
SLPOUT, 0x80, // Exit Sleep
DISPON, 0x80, // Display on
0x00, // End of list
}
for i, c := 0, len(initCmd); i < c; {
cmd := initCmd[i]
if cmd == 0x00 {
@@ -146,8 +148,24 @@ func (d *Device) Display() error {
return nil
}
var err1 = errors.New("rectangle coordinates outside display area")
// DrawRGBBitmap copies an RGB bitmap to the internal buffer at given coordinates
func (d *Device) DrawRGBBitmap(x, y int16, data []uint16, w, h int16) error {
k, i := d.Size()
if x < 0 || y < 0 || w <= 0 || h <= 0 ||
x >= k || (x+w) > k || y >= i || (y+h) > i {
return err1
}
d.setWindow(x, y, w, h)
d.startWrite()
d.driver.write16sl(data)
d.endWrite()
return nil
}
// DrawRGBBitmap8 copies an RGB bitmap to the internal buffer at given coordinates
func (d *Device) DrawRGBBitmap8(x, y int16, data []uint8, w, h int16) error {
k, i := d.Size()
if x < 0 || y < 0 || w <= 0 || h <= 0 ||
x >= k || (x+w) > k || y >= i || (y+h) > i {
@@ -155,7 +173,7 @@ func (d *Device) DrawRGBBitmap(x, y int16, data []uint16, w, h int16) error {
}
d.setWindow(x, y, w, h)
d.startWrite()
d.driver.write16sl(data)
d.driver.write8sl(data)
d.endWrite()
return nil
}
@@ -235,7 +253,8 @@ func (d *Device) SetRotation(rotation Rotation) {
case 3:
madctl = MADCTL_MX | MADCTL_MY | MADCTL_MV | MADCTL_BGR
}
d.sendCommand(MADCTL, []uint8{madctl})
cmdBuf[0] = madctl
d.sendCommand(MADCTL, cmdBuf[:1])
d.rotation = rotation
}
@@ -266,16 +285,14 @@ func (d *Device) setWindow(x, y, w, h int16) {
//y += d.rowOffset
x1 := x + w - 1
if x != d.x0 || x1 != d.x1 {
d.sendCommand(CASET, []uint8{
uint8(x >> 8), uint8(x), uint8(x1 >> 8), uint8(x1),
})
cmdBuf[0], cmdBuf[1], cmdBuf[2], cmdBuf[3] = uint8(x>>8), uint8(x), uint8(x1>>8), uint8(x1)
d.sendCommand(CASET, cmdBuf[:4])
d.x0, d.x1 = x, x1
}
y1 := y + h - 1
if y != d.y0 || y1 != d.y1 {
d.sendCommand(PASET, []uint8{
uint8(y >> 8), uint8(y), uint8(y1 >> 8), uint8(y1),
})
cmdBuf[0], cmdBuf[1], cmdBuf[2], cmdBuf[3] = uint8(y>>8), uint8(y), uint8(y1>>8), uint8(y1)
d.sendCommand(PASET, cmdBuf[:4])
d.y0, d.y1 = y, y1
}
d.sendCommand(RAMWR, nil)
@@ -300,7 +317,9 @@ func (d *Device) sendCommand(cmd byte, data []byte) {
d.dc.Low()
d.driver.write8(cmd)
d.dc.High()
d.driver.write8sl(data)
if data != nil {
d.driver.write8sl(data)
}
d.endWrite()
}