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#!/bin/sh
WR_CMD=0x80
WR_DATA=0x40
WIDTH=128
HEIGHT=64
SET_CONTRAST=0x81
SET_ENTIRE_ON=0xa4
SET_NORM_INV=0xa6
SET_DISP_OFF=0xae
SET_DISP_ON=0xaf
SET_MEM_ADDR=0x20
SET_COL_ADDR=0x21
SET_PAGE_ADDR=0x22
SET_DISP_START_LINE=0x40
SET_SEG_REMAP_ON=0xa1
SET_MUX_RATIO=0xa8
SET_COM_OUT_DIR_08=0xc8
SET_DISP_OFFSET=0xd3
SET_COM_PIN_CFG=0xda
SET_DISP_CLK_DIV=0xd5
SET_PRECHARGE=0xd9
SET_VCOM_DESEL=0xdb
SET_CHARGE_PUMP=0x8d
for cmd in $SET_DISP_OFF \
$SET_MEM_ADDR 0x00 \
$SET_DISP_START_LINE \
$SET_SEG_REMAP_ON \
$SET_MUX_RATIO $(( HEIGHT - 1 )) \
$SET_COM_OUT_DIR_08 \
$SET_DISP_OFFSET 0x00 \
$SET_COM_PIN_CFG 0x12 \
$SET_DISP_CLK_DIV 0x80 \
$SET_PRECHARGE 0xf1 \
$SET_VCOM_DESEL 0x30 \
$SET_CONTRAST 0xff \
$SET_ENTIRE_ON \
$SET_NORM_INV \
$SET_CHARGE_PUMP 0x14 \
$SET_DISP_ON; do
vusb-i2cset 0x3c $WR_CMD $cmd
done
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