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drivers: add SSD1306 display controller driver

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Add SSD1306 OLED display controller driver.

Signed-off-by: Johann Fischer <j.fischer@phytec.de>
This commit is contained in:
Johann Fischer 2018-07-19 18:11:50 +02:00 • committed by Anas Nashif
commit 419f4b7801
6 changed files with 696 additions and 0 deletions
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109
drivers/display/ssd1306_regs.h Normal file
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/*
* Copyright (c) 2018 Phytec Messtechnik GmbH
*
* SPDX-License-Identifier: Apache-2.0
*/
#ifndef __SSD1306_REGS_H__
#define __SSD1306_REGS_H__
#define SSD1306_CONTROL_LAST_BYTE_CMD 0x00
#define SSD1306_CONTROL_LAST_BYTE_DATA 0x40
#define SSD1306_CONTROL_BYTE_CMD 0x80
#define SSD1306_CONTROL_BYTE_DATA 0xc0
#define SSD1306_READ_STATUS_MASK 0xc0
#define SSD1306_READ_STATUS_BUSY 0x80
#define SSD1306_READ_STATUS_ON 0x40
/*
* Fundamental Command Table
*/
#define SSD1306_SET_CONTRAST_CTRL 0x81 /* double byte command */
#define SSD1306_SET_ENTIRE_DISPLAY_OFF 0xa4
#define SSD1306_SET_ENTIRE_DISPLAY_ON 0xa5
#define SSD1306_SET_NORMAL_DISPLAY 0xa6
#define SSD1306_SET_REVERSE_DISPLAY 0xa7
#define SSD1306_DISPLAY_OFF 0xae
#define SSD1306_DISPLAY_ON 0xaf
/*
* Addressing Setting Command Table
*/
#define SSD1306_SET_LOWER_COL_ADDRESS 0x00
#define SSD1306_SET_LOWER_COL_ADDRESS_MASK 0x0f
#define SSD1306_SET_HIGHER_COL_ADDRESS 0x10
#define SSD1306_SET_HIGHER_COL_ADDRESS_MASK 0x0f
#define SSD1306_SET_MEM_ADDRESSING_MODE 0x20 /* double byte command */
#define SSD1306_SET_MEM_ADDRESSING_HORIZONTAL 0x00
#define SSD1306_SET_MEM_ADDRESSING_VERTICAL 0x01
#define SSD1306_SET_MEM_ADDRESSING_PAGE 0x02
#define SSD1306_SET_COLUMN_ADDRESS 0x21 /* triple byte command */
#define SSD1306_SET_PAGE_ADDRESS 0x22 /* triple byte command */
#define SSD1306_SET_PAGE_START_ADDRESS 0xb0
#define SSD1306_SET_PAGE_START_ADDRESS_MASK 0x07
/*
* Hardware Configuration Command Table
*/
#define SSD1306_SET_START_LINE 0x40
#define SSD1306_SET_START_LINE_MASK 0x3f
#define SSD1306_SET_SEGMENT_MAP_NORMAL 0xa0
#define SSD1306_SET_SEGMENT_MAP_REMAPED 0xa1
#define SSD1306_SET_MULTIPLEX_RATIO 0xa8 /* double byte command */
#define SSD1306_SET_COM_OUTPUT_SCAN_NORMAL 0xc0
#define SSD1306_SET_COM_OUTPUT_SCAN_FLIPPED 0xc8
#define SSD1306_SET_DISPLAY_OFFSET 0xd3 /* double byte command */
#define SSD1306_SET_PADS_HW_CONFIG 0xda /* double byte command */
#define SSD1306_SET_PADS_HW_SEQUENTIAL 0x02
#define SSD1306_SET_PADS_HW_ALTERNATIVE 0x12
/*
* Timming and Driving Scheme Setting Command Table
*/
#define SSD1306_SET_CLOCK_DIV_RATIO 0xd5 /* double byte command */
#define SSD1306_SET_CHARGE_PERIOD 0xd9 /* double byte command */
#define SSD1306_SET_VCOM_DESELECT_LEVEL 0xdb /* double byte command */
#define SSD1306_NOP 0xe3
/*
* Charge Pump Command Table
*/
#define SSD1306_SET_CHARGE_PUMP_ON 0x8d /* double byte command */
#define SSD1306_SET_CHARGE_PUMP_ON_DISABLED 0x10
#define SSD1306_SET_CHARGE_PUMP_ON_ENABLED 0x14
#define SH1106_SET_DCDC_MODE 0xad /* double byte command */
#define SH1106_SET_DCDC_DISABLED 0x8a
#define SH1106_SET_DCDC_ENABLED 0x8b
#define SSD1306_SET_PUMP_VOLTAGE_64 0x30
#define SSD1306_SET_PUMP_VOLTAGE_74 0x31
#define SSD1306_SET_PUMP_VOLTAGE_80 0x32
#define SSD1306_SET_PUMP_VOLTAGE_90 0x33
/*
* Read modify write
*/
#define SSD1306_READ_MODIFY_WRITE_START 0xe0
#define SSD1306_READ_MODIFY_WRITE_END 0xee
#endif