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kdschlosserkdschlosser
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Adds GC9107 Driver
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‎api_drivers/common_api_drivers/display/gc9107/_gc9107_init.py

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# Copyright (c) 2024 - 2025 Kevin G. Schlosser
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import time
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from micropython import const # NOQA
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import lvgl as lv
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_SLPOUT = const(0x11)
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_INVON = const(0x21)
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_DISPON = const(0x29)
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_TEON = const(0x35)
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_MADCTL = const(0x36)
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_COLMOD = const(0x3A)
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_DFC = const(0xB6)
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_VREG1ACTL = 0xC3
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_VREG1BCTL = 0xC4
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_VREG2ACTL = 0xC9
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_DOCA = const(0xE8)
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_REG_ENA2 = const(0xEF)
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_SET_GAMMA1 = const(0xF0)
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_SET_GAMMA2 = const(0xF1)
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_SET_GAMMA3 = const(0xF2)
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_SET_GAMMA4 = const(0xF3)
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_REG_ENA1 = const(0xFE)
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def init(self):
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param_buf = bytearray(12)
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param_mv = memoryview(param_buf)
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self.set_params(_REG_ENA2)
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param_buf[0] = 0x14
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self.set_params(0xEB, param_mv[:1])
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self.set_params(_REG_ENA1)
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self.set_params(_REG_ENA2)
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param_buf[0] = 0x14
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self.set_params(0xEB, param_mv[:1])
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param_buf[0] = 0x40
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self.set_params(0x84, param_mv[:1])
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param_buf[0] = 0xFF
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self.set_params(0x85, param_mv[:1])
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self.set_params(0x86, param_mv[:1])
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self.set_params(0x87, param_mv[:1])
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param_buf[0] = 0x0A
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self.set_params(0x88, param_mv[:1])
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param_buf[0] = 0x21
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self.set_params(0x89, param_mv[:1])
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param_buf[0] = 0x00
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self.set_params(0x8A, param_mv[:1])
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param_buf[0] = 0x80
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self.set_params(0x8B, param_mv[:1])
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param_buf[0] = 0x01
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self.set_params(0x8C, param_mv[:1])
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self.set_params(0x8D, param_mv[:1])
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param_buf[0] = 0xFF
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self.set_params(0x8E, param_mv[:1])
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self.set_params(0x8F, param_mv[:1])
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param_buf[:2] = bytearray([0x00, 0x20])
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self.set_params(_DFC, param_mv[:2])
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color_size = lv.color_format_get_size(self._color_space)
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if color_size == 2: # NOQA
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pixel_format = 0x55
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elif color_size == 3:
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pixel_format = 0x77
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else:
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raise RuntimeError(
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f'{self.__class__.__name__} IC only supports '
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'lv.COLOR_FORMAT.RGB565 or lv.COLOR_FORMAT.RGB888'
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)
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param_buf[0] = pixel_format
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self.set_params(_COLMOD, param_mv[:1])
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param_buf[0] = (
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self._madctl(
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self._color_byte_order,
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self._ORIENTATION_TABLE # NOQA
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)
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)
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self.set_params(_MADCTL, param_mv[:1])
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param_buf[:5] = bytearray([0x08, 0x08, 0x08, 0x08, 0x08])
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self.set_params(0x90, param_mv[:5])
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param_buf[0] = 0x06
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self.set_params(0xBD, param_mv[:1])
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param_buf[0] = 0x00
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self.set_params(0xBC, param_mv[:1])
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param_buf[:3] = bytearray([0x60, 0x01, 0x04])
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self.set_params(0xFF, param_mv[:3])
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param_buf[0] = 0x13
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self.set_params(_VREG1ACTL, param_mv[:1])
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self.set_params(_VREG1BCTL, param_mv[:1])
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param_buf[0] = 0x22
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self.set_params(_VREG2ACTL, param_mv[:1])
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param_buf[0] = 0x11
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self.set_params(0xBE, param_mv[:1])
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param_buf[:2] = bytearray([0x10, 0x0E])
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self.set_params(0xE1, param_mv[:2])
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param_buf[:3] = bytearray([0x21, 0x0c, 0x02])
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self.set_params(0xDF, param_mv[:3])
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param_buf[:6] = bytearray([0x45, 0x09, 0x08, 0x08, 0x26, 0x2A])
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self.set_params(_SET_GAMMA1, param_mv[:6])
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param_buf[:6] = bytearray([0x43, 0x70, 0x72, 0x36, 0x37, 0x6F])
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self.set_params(_SET_GAMMA2, param_mv[:6])
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param_buf[:6] = bytearray([0x45, 0x09, 0x08, 0x08, 0x26, 0x2A])
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self.set_params(_SET_GAMMA3, param_mv[:6])
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param_buf[:6] = bytearray([0x43, 0x70, 0x72, 0x36, 0x37, 0x6F])
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self.set_params(_SET_GAMMA4, param_mv[:6])
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param_buf[:2] = bytearray([0x1B, 0x0B])
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self.set_params(0xED, param_mv[:2])
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param_buf[0] = 0x77
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self.set_params(0xAE, param_mv[:1])
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param_buf[0] = 0x63
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self.set_params(0xCD, param_mv[:1])
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param_buf[:9] = bytearray([
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0x07, 0x07, 0x04, 0x0E, 0x0F, 0x09, 0x07, 0x08, 0x03])
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self.set_params(0x70, param_mv[:9])
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param_buf[0] = 0x34
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self.set_params(_DOCA, param_mv[:1])
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param_buf[:12] = bytearray([
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0x18, 0x0D, 0x71, 0xED, 0x70, 0x70, 0x18, 0x0F, 0x71, 0xEF, 0x70, 0x70])
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self.set_params(0x62, param_mv[:12])
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param_buf[:12] = bytearray([
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0x18, 0x11, 0x71, 0xF1, 0x70, 0x70, 0x18, 0x13, 0x71, 0xF3, 0x70, 0x70])
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self.set_params(0x63, param_mv[:12])
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param_buf[:7] = bytearray([0x28, 0x29, 0xF1, 0x01, 0xF1, 0x00, 0x07])
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self.set_params(0x64, param_mv[:7])
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param_buf[:10] = bytearray([
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0x3C, 0x00, 0xCD, 0x67, 0x45, 0x45, 0x10, 0x00, 0x00, 0x00])
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self.set_params(0x66, param_mv[:10])
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param_buf[:10] = bytearray([
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0x00, 0x3C, 0x00, 0x00, 0x00, 0x01, 0x54, 0x10, 0x32, 0x98])
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self.set_params(0x67, param_mv[:10])
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param_buf[:7] = bytearray([0x10, 0x85, 0x80, 0x00, 0x00, 0x4E, 0x00])
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self.set_params(0x74, param_mv[:7])
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param_buf[:2] = bytearray([0x3e, 0x07])
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self.set_params(0x98, param_mv[:2])
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self.set_params(_TEON)
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self.set_params(_INVON)
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self.set_params(_SLPOUT)
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time.sleep_ms(120) # NOQA
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self.set_params(_DISPON)
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time.sleep_ms(20) # NOQA

‎api_drivers/common_api_drivers/display/gc9107/gc9107.py

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# Copyright (c) 2024 - 2025 Kevin G. Schlosser
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from micropython import const # NOQA
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import lvgl as lv # NOQA
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import lcd_bus # NOQA
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import display_driver_framework
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STATE_HIGH = display_driver_framework.STATE_HIGH
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STATE_LOW = display_driver_framework.STATE_LOW
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STATE_PWM = display_driver_framework.STATE_PWM
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BYTE_ORDER_RGB = display_driver_framework.BYTE_ORDER_RGB
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BYTE_ORDER_BGR = display_driver_framework.BYTE_ORDER_BGR
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_MADCTL_MH = const(0x04) # Refresh 0=Left to Right, 1=Right to Left
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_MADCTL_BGR = const(0x08) # BGR color order
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_MADCTL_ML = const(0x10) # Refresh 0=Top to Bottom, 1=Bottom to Top
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_MADCTL_MV = const(0x20) # 0=Normal, 1=Row/column exchange
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_MADCTL_MX = const(0x40) # 0=Left to Right, 1=Right to Left
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_MADCTL_MY = const(0x80) # 0=Top to Bottom, 1=Bottom to Top
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class GC9107(display_driver_framework.DisplayDriver):
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_ORIENTATION_TABLE = (
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0,
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_MADCTL_MX | _MADCTL_MV,
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_MADCTL_MY | _MADCTL_MX,
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_MADCTL_MY | _MADCTL_MV
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)
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def _set_memory_location(self, x1, y1, x2, y2):
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# Column addresses
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param_buf = self._param_buf # NOQA
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if self._rotation in (0, 2):
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x1 += 2
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x2 += 2
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y1 += 1
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y2 += 1
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else:
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x1 += 1
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x2 += 1
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y1 += 2
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y2 += 2
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return display_driver_framework.DisplayDriver(self, x1, y1, x2, y2)

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