| /* |
| * Copyright (c) 2025 MASSDRIVER EI (massdriver.space) |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| #ifndef __DISPLAY_ST7567_REGS_H__ |
| #define __DISPLAY_ST7567_REGS_H__ |
| |
| /* All following bytes will contain commands */ |
| #define ST7567_CONTROL_ALL_BYTES_CMD 0x00 |
| /* All following bytes will contain data */ |
| #define ST7567_CONTROL_ALL_BYTES_DATA 0x40 |
| /* The next byte will contain a command, then expect another control byte */ |
| #define ST7567_CONTROL_CONTINUE_BYTE_CMD 0x80 |
| |
| #define ST7567_DISPLAY_OFF 0xAE |
| #define ST7567_DISPLAY_ON 0xAF |
| #define ST7567_DISPLAY_ALL_PIXEL_ON 0xA5 |
| #define ST7567_DISPLAY_ALL_PIXEL_NORMAL 0xA4 |
| #define ST7567_SET_CONTRAST_CTRL 0x81 |
| #define ST7567_SET_BIAS 0xA2 |
| #define ST7567_SET_REGULATION_RATIO 0x20 |
| |
| /* Inversion controls */ |
| #define ST7567_SET_NORMAL_DISPLAY 0xA6 |
| #define ST7567_SET_REVERSE_DISPLAY 0xA7 |
| |
| /* COM invdir */ |
| #define ST7567_SET_COM_OUTPUT_SCAN_FLIPPED 0xC8 |
| #define ST7567_SET_COM_OUTPUT_SCAN_NORMAL 0xC0 |
| |
| /* SEG invdir */ |
| #define ST7567_SET_SEGMENT_MAP_FLIPPED 0xA1 |
| #define ST7567_SET_SEGMENT_MAP_NORMAL 0xA0 |
| |
| /* Power Control */ |
| #define ST7567_POWER_CONTROL 0x28 |
| #define ST7567_POWER_CONTROL_VF 0x1 |
| #define ST7567_POWER_CONTROL_VR 0x2 |
| #define ST7567_POWER_CONTROL_VB 0x4 |
| |
| /* Offsets */ |
| #define ST7567_COLUMN_MSB 0x10 |
| #define ST7567_COLUMN_LSB 0x0 |
| #define ST7567_PAGE 0xB0 |
| #define ST7567_LINE_SCROLL 0x40 |
| |
| #define ST7567_RESET_DELAY 1 |
| #define ST7567_RESET 0xE2 |
| |
| #endif /* __DISPLAY_ST7567_REGS_H__ */ |
