core.con.sh110x.spin

{
----------------------------------------------------------------------------------------------------
    Filename:       core.con.sh110x.spin
    Description:    SH110x-specific constants
    Author:         Jesse Burt
    Started:        Jan 25, 2025
    Updated:        Jan 25, 2025
    Copyright (c) 2025 - See end of file for terms of use.
----------------------------------------------------------------------------------------------------
}

CON


    ' timings
    TPOR                = 20_000                ' power-on-reset
    TRW                 = 10                    ' reset low pulse width
    T2                  = 12                    ' reset falling edge to display-on command (min)
    T3                  = 100_000               ' after display-on command

    ' I2C
    I2C_MAX_FREQ        = 400_000               ' max according to datasheet
    SLAVE_ADDR          = $3C << 1
    CTRLBYTE_CMD        = $00
    CTRLBYTE_DATA       = $40

    ' SPI
    SPI_MAX_FREQ        = 10_000_000            ' max according to datasheet
    SPI_MODE            = 3


    FOSC_MIN            = 540
    FOSC_MAX            = 1080


    ' command set
    SET_COLADDR_L       = $00
    SET_COLADDR_H       = $10
    MEM_ADDRMODE        = $20

    CONTRAST            = $81

    SEG_MAP0            = $a0
    SEG_MAP127          = $a1
    RAMDISP_ON          = $a4
    ENTDISP_ON          = $a5
    DISP_NORM           = $a6
    DISP_INVERT         = $a7
    SETMUXRATIO         = $a8

    DCDC_CTRL_MD        = $ad
    DCDC_CTRL_MD_MASK   = $8f
        DC_SWF          = 1
        DC_ENA          = 0
        DC_SWF_BITS     = %111
        DC_SWF_MASK     = (DC_SWF_BITS << DC_SWF) ^ DCDC_CTRL_MD_MASK
        DC_ENA_MASK     = 1 ^ DCDC_CTRL_MD_MASK

    DISP_OFF            = $ae
    DISP_ON             = $af

    SET_PAGEADDR        = $b0

    COMDIR_NORM         = $c0
    COMDIR_RMAP         = $c8

    SETDISPOFFS         = $d3

    SETOSCFREQ          = $d5
    SETOSCFREQ_MASK     = $ff
        OSCFREQ         = 4
        CLKDIV          = 0
        OSCFREQ_BITS    = %1111
        CLKDIV_BITS     = %1111
        OSCFREQ_MASK    = (OSCFREQ_BITS << OSCFREQ) ^ SETOSCFREQ_MASK
        CLKDIV_MASK     = (CLKDIV_BITS << CLKDIV) ^ SETOSCFREQ_MASK

    SETPRECHARGE        = $d9
        DISCHARGE_PER   = 4
        PRECHARGE_PER   = 0
        PERIOD_BITS     = %1111

    SETVCOMDESEL        = $db
        VCOMH           = 0

    DISP_STLINE         = $dc

    RD_MODIFY_WR        = $e0
    NOOP                = $e3
    RD_MODIFY_WR_END    = $ee


PUB null()
' This is not a top-level object


DAT
{
Copyright 2025 Jesse Burt

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}