| /* |
| * Copyright (c) 2018 Phytec Messtechnik GmbH |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| |
| #ifndef __SSD1306_REGS_H__ |
| #define __SSD1306_REGS_H__ |
| |
| /* All following bytes will contain commands */ |
| #define SSD1306_CONTROL_ALL_BYTES_CMD 0x00 |
| /* All following bytes will contain data */ |
| #define SSD1306_CONTROL_ALL_BYTES_DATA 0x40 |
| /* The next byte will contain a command */ |
| #define SSD1306_CONTROL_BYTE_CMD 0x80 |
| /* The next byte will contain data */ |
| #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 |
| |
| /* RAM data of 1 indicates an "ON" pixel */ |
| #define SSD1306_SET_NORMAL_DISPLAY 0xa6 |
| /* RAM data of 0 indicates an "ON" pixel */ |
| #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 |
| |
| #define SSD1306_SET_IREF_MODE 0xad |
| #define SSD1306_SET_IREF_MODE_INTERNAL 0x30 |
| #define SSD1306_SET_IREF_MODE_EXTERNAL 0x00 |
| |
| |
| /* |
| * Timing 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 |
| |
| /* time constants in ms */ |
| #define SSD1306_RESET_DELAY 1 |
| |
| #endif |
