110 lines
2.9 KiB
C
110 lines
2.9 KiB
C
/*
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* Copyright (c) 2018 Phytec Messtechnik GmbH
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef __SSD1306_REGS_H__
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#define __SSD1306_REGS_H__
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#define SSD1306_CONTROL_LAST_BYTE_CMD 0x00
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#define SSD1306_CONTROL_LAST_BYTE_DATA 0x40
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#define SSD1306_CONTROL_BYTE_CMD 0x80
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#define SSD1306_CONTROL_BYTE_DATA 0xc0
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#define SSD1306_READ_STATUS_MASK 0xc0
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#define SSD1306_READ_STATUS_BUSY 0x80
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#define SSD1306_READ_STATUS_ON 0x40
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/*
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* Fundamental Command Table
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*/
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#define SSD1306_SET_CONTRAST_CTRL 0x81 /* double byte command */
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#define SSD1306_SET_ENTIRE_DISPLAY_OFF 0xa4
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#define SSD1306_SET_ENTIRE_DISPLAY_ON 0xa5
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#define SSD1306_SET_NORMAL_DISPLAY 0xa6
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#define SSD1306_SET_REVERSE_DISPLAY 0xa7
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#define SSD1306_DISPLAY_OFF 0xae
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#define SSD1306_DISPLAY_ON 0xaf
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/*
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* Addressing Setting Command Table
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*/
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#define SSD1306_SET_LOWER_COL_ADDRESS 0x00
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#define SSD1306_SET_LOWER_COL_ADDRESS_MASK 0x0f
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#define SSD1306_SET_HIGHER_COL_ADDRESS 0x10
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#define SSD1306_SET_HIGHER_COL_ADDRESS_MASK 0x0f
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#define SSD1306_SET_MEM_ADDRESSING_MODE 0x20 /* double byte command */
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#define SSD1306_SET_MEM_ADDRESSING_HORIZONTAL 0x00
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#define SSD1306_SET_MEM_ADDRESSING_VERTICAL 0x01
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#define SSD1306_SET_MEM_ADDRESSING_PAGE 0x02
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#define SSD1306_SET_COLUMN_ADDRESS 0x21 /* triple byte command */
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#define SSD1306_SET_PAGE_ADDRESS 0x22 /* triple byte command */
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#define SSD1306_SET_PAGE_START_ADDRESS 0xb0
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#define SSD1306_SET_PAGE_START_ADDRESS_MASK 0x07
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/*
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* Hardware Configuration Command Table
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*/
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#define SSD1306_SET_START_LINE 0x40
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#define SSD1306_SET_START_LINE_MASK 0x3f
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#define SSD1306_SET_SEGMENT_MAP_NORMAL 0xa0
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#define SSD1306_SET_SEGMENT_MAP_REMAPED 0xa1
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#define SSD1306_SET_MULTIPLEX_RATIO 0xa8 /* double byte command */
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#define SSD1306_SET_COM_OUTPUT_SCAN_NORMAL 0xc0
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#define SSD1306_SET_COM_OUTPUT_SCAN_FLIPPED 0xc8
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#define SSD1306_SET_DISPLAY_OFFSET 0xd3 /* double byte command */
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#define SSD1306_SET_PADS_HW_CONFIG 0xda /* double byte command */
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#define SSD1306_SET_PADS_HW_SEQUENTIAL 0x02
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#define SSD1306_SET_PADS_HW_ALTERNATIVE 0x12
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/*
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* Timming and Driving Scheme Setting Command Table
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*/
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#define SSD1306_SET_CLOCK_DIV_RATIO 0xd5 /* double byte command */
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#define SSD1306_SET_CHARGE_PERIOD 0xd9 /* double byte command */
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#define SSD1306_SET_VCOM_DESELECT_LEVEL 0xdb /* double byte command */
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#define SSD1306_NOP 0xe3
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/*
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* Charge Pump Command Table
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*/
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#define SSD1306_SET_CHARGE_PUMP_ON 0x8d /* double byte command */
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#define SSD1306_SET_CHARGE_PUMP_ON_DISABLED 0x10
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#define SSD1306_SET_CHARGE_PUMP_ON_ENABLED 0x14
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#define SH1106_SET_DCDC_MODE 0xad /* double byte command */
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#define SH1106_SET_DCDC_DISABLED 0x8a
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#define SH1106_SET_DCDC_ENABLED 0x8b
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#define SSD1306_SET_PUMP_VOLTAGE_64 0x30
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#define SSD1306_SET_PUMP_VOLTAGE_74 0x31
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#define SSD1306_SET_PUMP_VOLTAGE_80 0x32
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#define SSD1306_SET_PUMP_VOLTAGE_90 0x33
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/*
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* Read modify write
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*/
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#define SSD1306_READ_MODIFY_WRITE_START 0xe0
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#define SSD1306_READ_MODIFY_WRITE_END 0xee
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#endif
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