eink_SSD1765_waveform setting

 """Inky Lookup Tables.
        These lookup tables comprise of two sets of values.
        The first set of values, formatted as binary, describe the voltages applied during the six update phases:
          Phase 0     Phase 1     Phase 2     Phase 3     Phase 4     Phase 5     Phase 6
          A B C D
        0b01001000, 0b10100000, 0b00010000, 0b00010000, 0b00010011, 0b00000000, 0b00000000,  LUT0 - Black
        0b01001000, 0b10100000, 0b10000000, 0b00000000, 0b00000011, 0b00000000, 0b00000000,  LUT1 - White
        0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000,  NOT USED BY HARDWARE
        0b01001000, 0b10100101, 0b00000000, 0b10111011, 0b00000000, 0b00000000, 0b00000000,  LUT3 - Yellow or Red
        0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000,  LUT4 - VCOM
        There are seven possible phases, arranged horizontally, and only the phases with duration/repeat information
        (see below) are used during the update cycle.
        Each phase has four steps: A, B, C and D. Each step is represented by two binary bits and these bits can
        have one of four possible values representing the voltages to be applied. The default values follow:
        0b00: VSS or Ground
        0b01: VSH1 or 15V
        0b10: VSL or -15V
        0b11: VSH2 or 5.4V
        During each phase the Black, White and Yellow (or Red) stages are applied in turn, creating a voltage
        differential across each display pixel. This is what moves the physical ink particles in their suspension.
        The second set of values, formatted as hex, describe the duration of each step in a phase, and the number
        of times that phase should be repeated:
          Duration                Repeat
          A     B     C     D
        0x10, 0x04, 0x04, 0x04, 0x04,  <-- Timings for Phase 0
        0x10, 0x04, 0x04, 0x04, 0x04,  <-- Timings for Phase 1
        0x04, 0x08, 0x08, 0x10, 0x10,      etc
        0x00, 0x00, 0x00, 0x00, 0x00,
        0x00, 0x00, 0x00, 0x00, 0x00,
        0x00, 0x00, 0x00, 0x00, 0x00,
        0x00, 0x00, 0x00, 0x00, 0x00,
        The duration and repeat parameters allow you to take a single sequence of A, B, C and D voltage values and
        transform them into a waveform that - effectively - wiggles the ink particles into the desired position.
        In all of our LUT definitions we use the first and second phases to flash/pulse and clear the display to
        mitigate image retention. The flashing effect is actually the ink particles being moved from the bottom to
        the top of the display repeatedly in an attempt to reset them back into a sensible resting position.
        """
        self._luts = {
            'black': [
                0b01001000, 0b10100000, 0b00010000, 0b00010000, 0b00010011, 0b00000000, 0b00000000,
                0b01001000, 0b10100000, 0b10000000, 0b00000000, 0b00000011, 0b00000000, 0b00000000,
                0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000,
                0b01001000, 0b10100101, 0b00000000, 0b10111011, 0b00000000, 0b00000000, 0b00000000,
                0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000,
                0x10, 0x04, 0x04, 0x04, 0x04,
                0x10, 0x04, 0x04, 0x04, 0x04,
                0x04, 0x08, 0x08, 0x10, 0x10,
                0x00, 0x00, 0x00, 0x00, 0x00,
                0x00, 0x00, 0x00, 0x00, 0x00,
                0x00, 0x00, 0x00, 0x00, 0x00,
                0x00, 0x00, 0x00, 0x00, 0x00,
            ],
            'red': [
                0b01001000, 0b10100000, 0b00010000, 0b00010000, 0b00010011, 0b00000000, 0b00000000,
                0b01001000, 0b10100000, 0b10000000, 0b00000000, 0b00000011, 0b00000000, 0b00000000,
                0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000,
                0b01001000, 0b10100101, 0b00000000, 0b10111011, 0b00000000, 0b00000000, 0b00000000,
                0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000,
                0x40, 0x0C, 0x20, 0x0C, 0x06,
                0x10, 0x08, 0x04, 0x04, 0x06,
                0x04, 0x08, 0x08, 0x10, 0x10,
                0x02, 0x02, 0x02, 0x40, 0x20,
                0x02, 0x02, 0x02, 0x02, 0x02,
                0x00, 0x00, 0x00, 0x00, 0x00,
                0x00, 0x00, 0x00, 0x00, 0x00
            ],
            'red_ht': [
                0b01001000, 0b10100000, 0b00010000, 0b00010000, 0b00010011, 0b00010000, 0b00010000,
                0b01001000, 0b10100000, 0b10000000, 0b00000000, 0b00000011, 0b10000000, 0b10000000,
                0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000,
                0b01001000, 0b10100101, 0b00000000, 0b10111011, 0b00000000, 0b01001000, 0b00000000,
                0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000,
                0x43, 0x0A, 0x1F, 0x0A, 0x04,
                0x10, 0x08, 0x04, 0x04, 0x06,
                0x04, 0x08, 0x08, 0x10, 0x0B,
                0x01, 0x02, 0x01, 0x10, 0x30,
                0x06, 0x06, 0x06, 0x02, 0x02,
                0x00, 0x00, 0x00, 0x00, 0x00,
                0x00, 0x00, 0x00, 0x00, 0x00
            ],
            'yellow': [
                0b11111010, 0b10010100, 0b10001100, 0b11000000, 0b11010000, 0b00000000, 0b00000000,
                0b11111010, 0b10010100, 0b00101100, 0b10000000, 0b11100000, 0b00000000, 0b00000000,
                0b11111010, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000,
                0b11111010, 0b10010100, 0b11111000, 0b10000000, 0b01010000, 0b00000000, 0b11001100,
                0b10111111, 0b01011000, 0b11111100, 0b10000000, 0b11010000, 0b00000000, 0b00010001,
                0x40, 0x10, 0x40, 0x10, 0x08,
                0x08, 0x10, 0x04, 0x04, 0x10,
                0x08, 0x08, 0x03, 0x08, 0x20,
                0x08, 0x04, 0x00, 0x00, 0x10,
                0x10, 0x08, 0x08, 0x00, 0x20,
                0x00, 0x00, 0x00, 0x00, 0x00,
                0x00, 0x00, 0x00, 0x00, 0x00,
            ]
        }
##从github上抓的波表,https://github.com/pimoroni/inky/blob/master/library/inky/inky.py


另一份波表,黑白双色

const unsigned char EPD_2IN13_V2_lut_full_update[]= {
    0x80,0x60,0x40,0x00,0x00,0x00,0x00,             //LUT0: BB:     VS 0 ~7
    0x10,0x60,0x20,0x00,0x00,0x00,0x00,             //LUT1: BW:     VS 0 ~7
    0x80,0x60,0x40,0x00,0x00,0x00,0x00,             //LUT2: WB:     VS 0 ~7
     
    0x10,0x60,0x20,0x00,0x00,0x00,0x00,             //LUT3: WW:     VS 0 ~7
    
    0x00,0x00,0x00,0x00,0x00,0x00,0x00,             //LUT4: VCOM:   VS 0 ~7

    0x03,0x03,0x00,0x00,0x02,                       // TP0 A~D RP0
    0x09,0x09,0x00,0x00,0x02,                       // TP1 A~D RP1
    0x03,0x03,0x00,0x00,0x02,                       // TP2 A~D RP2
    0x00,0x00,0x00,0x00,0x00,                       // TP3 A~D RP3
    0x00,0x00,0x00,0x00,0x00,                       // TP4 A~D RP4
    0x00,0x00,0x00,0x00,0x00,                       // TP5 A~D RP5
    0x00,0x00,0x00,0x00,0x00,                       // TP6 A~D RP6

    0x15,0x41,0xA8,0x32,0x30,0x0A,
};

补一张datasheet图

eink_SSD1765_waveform setting_第1张图片

 

 

 

 

 

  发现每一份波表初始化都不一样,,,

目前只能实现黑白双色刷新,而不能实现三色刷新orz

eink_SSD1765_waveform setting_第2张图片

 

数据手册、democode、reference https://www.buydisplay.com/chinese/2-13-inch-color-e-paper-display-module-manufacturers-104x212-ssd1675a

https://www.zephray.me/post/stm32_epd_calendar

 

转载于:https://www.cnblogs.com/beyondsdo/p/11222969.html

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