From e5f488ae91a7d7862efad5762794206b701ea25c Mon Sep 17 00:00:00 2001
From: Daniel Friesel <derf@finalrewind.org>
Date: Thu, 8 Apr 2021 15:06:44 +0200
Subject: add ssd1306 (I2C OLED display) examples

---
 commandline/examples/ssd1306-init | 45 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100755 commandline/examples/ssd1306-init

(limited to 'commandline/examples/ssd1306-init')

diff --git a/commandline/examples/ssd1306-init b/commandline/examples/ssd1306-init
new file mode 100755
index 0000000..56e77e5
--- /dev/null
+++ b/commandline/examples/ssd1306-init
@@ -0,0 +1,45 @@
+#!/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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