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fredqian
2025-01-21 07:44:29 +08:00
parent ec6e6c7a92
commit 847bddd52f
24 changed files with 440 additions and 53900 deletions
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32
boards/default/micropython_esp32s3/build/lib/st7789_cf.py
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@@ -3,8 +3,6 @@ ST7789/FrameBuffer
MicroPython library for the ST7789(TFT-SPI)
=======================================================
#Preliminary composition 20240110
@dahanzimin From the Mixly Team
"""
import time, uframebuf
@@ -30,31 +28,23 @@ _CMD_COLMOD = const(0x3A)
_CMD_MADCTL = const(0x36)
class ST7789(uframebuf.FrameBuffer_Uincode):
def __init__(self, spi, width, height, dc_pin=None, cs_pin=None, bl_pin=None, font_address=0x700000):
if height != 240 or width not in [320, 240, 135]:
raise ValueError("Unsupported display. 320x240, 240x240 and 135x240 are supported.")
def __init__(self, spi, width, height, dc_pin=None, backlight=None, font_address=0x700000):
self.spi = spi
self.dc = Pin(dc_pin, Pin.OUT, value=1)
self.cs = Pin(cs_pin, Pin.OUT, value=1) if cs_pin is not None else None
self._buffer = bytearray(width * height * 2)
super().__init__(self._buffer, width, height, uframebuf.RGB565)
self.font(font_address)
self._init()
self.show()
time.sleep_ms(200)
self._brightness = 0.6
self.bl_led = PWM(Pin(bl_pin), duty_u16=int(self._brightness * 60000)) if bl_pin is not None else None
self._backlight = backlight
self.set_brightness(0.5)
def _write(self, cmd, dat = None):
if self.cs: self.cs.off()
def _write(self, cmd, dat=None):
self.dc.off()
self.spi.write(bytearray([cmd]))
if self.cs: self.cs.on()
if dat is not None:
if self.cs: self.cs.off()
self.dc.on()
self.spi.write(dat)
if self.cs: self.cs.on()
def _init(self):
"""Display initialization configuration"""
@@ -74,24 +64,20 @@ class ST7789(uframebuf.FrameBuffer_Uincode):
(0xD0, b'\xA4\xA1', 10),
(0xE0, b'\xD0\x04\x0D\x11\x13\x2B\x3F\x54\x4C\x18\x0D\x0B\x1F\x23', 10),
(0xE1, b'\xD0\x04\x0C\x11\x13\x2C\x3F\x44\x51\x2F\x1F\x1F\x20\x23', 10),
(0x21, None, 10),
(0x29, None, 10),
# (_CMD_INVOFF, None, 10),
# (_CMD_NORON, None, 10),
# (_CMD_DISPON, None, 200),
(_CMD_INVON, None, 10),
(_CMD_DISPON, None, 10),
]:
self._write(cmd, data)
if delay:
time.sleep_us(delay)
def get_brightness(self):
return self._brightness
return self._backlight() / 100
def set_brightness(self, brightness):
if not 0.0 <= brightness <= 1.0:
raise ValueError("Brightness must be a decimal number in the range: 0.0~1.0")
self._brightness = brightness
self.bl_led.duty_u16(int(brightness*60000))
self._backlight(int(brightness * 100))
def color(self, red, green=None, blue=None):
""" Convert red, green and blue values (0-255) into a 16-bit 565 encoding."""
@@ -102,6 +88,6 @@ class ST7789(uframebuf.FrameBuffer_Uincode):
def show(self):
"""Refresh the display and show the changes."""
self._write(_CMD_CASET, b'\x00\x00\x01\x3f')
self._write(_CMD_CASET, b'\x00\x00\x00\xef')
self._write(_CMD_RASET, b'\x00\x00\x00\xef')
self._write(_CMD_RAMWR, self._buffer)