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b7f2f40ae5
Because the matrix scanning is slower for splits, in general, the frequent updating of the OLEDs can slow down the matrix scanning. To help prevent that, set the update interval for the OLEDs to not update as frequently.
315 lines
12 KiB
C
315 lines
12 KiB
C
/*
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Copyright 2019 Ryan Caltabiano <https://github.com/XScorpion2>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <stdint.h>
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#include <stdbool.h>
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// an enumeration of the chips this driver supports
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#define OLED_IC_SSD1306 0
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#define OLED_IC_SH1106 1
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#if defined(OLED_DISPLAY_CUSTOM)
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// Expected user to implement the necessary defines
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#elif defined(OLED_DISPLAY_128X64)
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// Double height 128x64
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# ifndef OLED_DISPLAY_WIDTH
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# define OLED_DISPLAY_WIDTH 128
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# endif
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# ifndef OLED_DISPLAY_HEIGHT
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# define OLED_DISPLAY_HEIGHT 64
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# endif
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# ifndef OLED_MATRIX_SIZE
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# define OLED_MATRIX_SIZE (OLED_DISPLAY_HEIGHT / 8 * OLED_DISPLAY_WIDTH) // 1024 (compile time mathed)
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# endif
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# ifndef OLED_BLOCK_TYPE
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# define OLED_BLOCK_TYPE uint16_t
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# endif
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# ifndef OLED_BLOCK_COUNT
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# define OLED_BLOCK_COUNT (sizeof(OLED_BLOCK_TYPE) * 8) // 32 (compile time mathed)
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# endif
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# ifndef OLED_BLOCK_SIZE
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# define OLED_BLOCK_SIZE (OLED_MATRIX_SIZE / OLED_BLOCK_COUNT) // 32 (compile time mathed)
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# endif
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# ifndef OLED_COM_PINS
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# define OLED_COM_PINS COM_PINS_ALT
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# endif
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// For 90 degree rotation, we map our internal matrix to oled matrix using fixed arrays
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// The OLED writes to it's memory horizontally, starting top left, but our memory starts bottom left in this mode
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# ifndef OLED_SOURCE_MAP
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# define OLED_SOURCE_MAP \
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{ 0, 8, 16, 24, 32, 40, 48, 56 }
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# endif
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# ifndef OLED_TARGET_MAP
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# define OLED_TARGET_MAP \
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{ 56, 48, 40, 32, 24, 16, 8, 0 }
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# endif
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// If OLED_BLOCK_TYPE is uint32_t, these tables would look like:
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// #define OLED_SOURCE_MAP { 32, 40, 48, 56 }
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// #define OLED_TARGET_MAP { 24, 16, 8, 0 }
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// If OLED_BLOCK_TYPE is uint16_t, these tables would look like:
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// #define OLED_SOURCE_MAP { 0, 8, 16, 24, 32, 40, 48, 56 }
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// #define OLED_TARGET_MAP { 56, 48, 40, 32, 24, 16, 8, 0 }
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// If OLED_BLOCK_TYPE is uint8_t, these tables would look like:
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// #define OLED_SOURCE_MAP { 0, 8, 16, 24, 32, 40, 48, 56, 64, 72, 80, 88, 96, 104, 112, 120 }
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// #define OLED_TARGET_MAP { 56, 120, 48, 112, 40, 104, 32, 96, 24, 88, 16, 80, 8, 72, 0, 64 }
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#else // defined(OLED_DISPLAY_128X64)
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// Default 128x32
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# ifndef OLED_DISPLAY_WIDTH
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# define OLED_DISPLAY_WIDTH 128
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# endif
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# ifndef OLED_DISPLAY_HEIGHT
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# define OLED_DISPLAY_HEIGHT 32
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# endif
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# ifndef OLED_MATRIX_SIZE
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# define OLED_MATRIX_SIZE (OLED_DISPLAY_HEIGHT / 8 * OLED_DISPLAY_WIDTH) // 512 (compile time mathed)
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# endif
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# ifndef OLED_BLOCK_TYPE
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# define OLED_BLOCK_TYPE uint16_t // Type to use for segmenting the oled display for smart rendering, use unsigned types only
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# endif
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# ifndef OLED_BLOCK_COUNT
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# define OLED_BLOCK_COUNT (sizeof(OLED_BLOCK_TYPE) * 8) // 16 (compile time mathed)
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# endif
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# ifndef OLED_BLOCK_SIZE
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# define OLED_BLOCK_SIZE (OLED_MATRIX_SIZE / OLED_BLOCK_COUNT) // 32 (compile time mathed)
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# endif
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# ifndef OLED_COM_PINS
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# define OLED_COM_PINS COM_PINS_SEQ
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# endif
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// For 90 degree rotation, we map our internal matrix to oled matrix using fixed arrays
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// The OLED writes to it's memory horizontally, starting top left, but our memory starts bottom left in this mode
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# ifndef OLED_SOURCE_MAP
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# define OLED_SOURCE_MAP \
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{ 0, 8, 16, 24 }
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# endif
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# ifndef OLED_TARGET_MAP
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# define OLED_TARGET_MAP \
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{ 24, 16, 8, 0 }
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# endif
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// If OLED_BLOCK_TYPE is uint8_t, these tables would look like:
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// #define OLED_SOURCE_MAP { 0, 8, 16, 24, 32, 40, 48, 56 }
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// #define OLED_TARGET_MAP { 48, 32, 16, 0, 56, 40, 24, 8 }
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#endif // defined(OLED_DISPLAY_CUSTOM)
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#if !defined(OLED_IC)
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# define OLED_IC OLED_IC_SSD1306
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#endif
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// the column address corresponding to the first column in the display hardware
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#if !defined(OLED_COLUMN_OFFSET)
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# define OLED_COLUMN_OFFSET 0
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#endif
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// Address to use for the i2c oled communication
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#if !defined(OLED_DISPLAY_ADDRESS)
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# define OLED_DISPLAY_ADDRESS 0x3C
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#endif
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// Custom font file to use
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#if !defined(OLED_FONT_H)
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# define OLED_FONT_H "glcdfont.c"
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#endif
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// unsigned char value of the first character in the font file
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#if !defined(OLED_FONT_START)
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# define OLED_FONT_START 0
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#endif
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// unsigned char value of the last character in the font file
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#if !defined(OLED_FONT_END)
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# define OLED_FONT_END 223
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#endif
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// Font render width
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#if !defined(OLED_FONT_WIDTH)
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# define OLED_FONT_WIDTH 6
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#endif
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// Font render height
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#if !defined(OLED_FONT_HEIGHT)
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# define OLED_FONT_HEIGHT 8
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#endif
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// Default brightness level
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#if !defined(OLED_BRIGHTNESS)
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# define OLED_BRIGHTNESS 255
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#endif
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#if !defined(OLED_TIMEOUT)
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# if defined(OLED_DISABLE_TIMEOUT)
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# define OLED_TIMEOUT 0
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# else
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# define OLED_TIMEOUT 60000
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# endif
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#endif
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#if !defined(OLED_I2C_TIMEOUT)
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# define OLED_I2C_TIMEOUT 100
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#endif
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#if !defined(OLED_UPDATE_INTERVAL) && defined(SPLIT_KEYBOARD)
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# define OLED_UPDATE_INTERVAL 50
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#endif
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typedef struct __attribute__((__packed__)) {
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uint8_t *current_element;
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uint16_t remaining_element_count;
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} oled_buffer_reader_t;
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// OLED Rotation enum values are flags
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typedef enum {
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OLED_ROTATION_0 = 0,
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OLED_ROTATION_90 = 1,
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OLED_ROTATION_180 = 2,
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OLED_ROTATION_270 = 3, // OLED_ROTATION_90 | OLED_ROTATION_180
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} oled_rotation_t;
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// Initialize the oled display, rotating the rendered output based on the define passed in.
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// Returns true if the OLED was initialized successfully
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bool oled_init(oled_rotation_t rotation);
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// Called at the start of oled_init, weak function overridable by the user
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// rotation - the value passed into oled_init
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// Return new oled_rotation_t if you want to override default rotation
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oled_rotation_t oled_init_user(oled_rotation_t rotation);
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// Clears the display buffer, resets cursor position to 0, and sets the buffer to dirty for rendering
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void oled_clear(void);
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// Renders the dirty chunks of the buffer to oled display
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void oled_render(void);
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// Moves cursor to character position indicated by column and line, wraps if out of bounds
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// Max column denoted by 'oled_max_chars()' and max lines by 'oled_max_lines()' functions
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void oled_set_cursor(uint8_t col, uint8_t line);
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// Advances the cursor to the next page, writing ' ' if true
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// Wraps to the begining when out of bounds
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void oled_advance_page(bool clearPageRemainder);
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// Moves the cursor forward 1 character length
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// Advance page if there is not enough room for the next character
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// Wraps to the begining when out of bounds
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void oled_advance_char(void);
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// Writes a single character to the buffer at current cursor position
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// Advances the cursor while writing, inverts the pixels if true
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// Main handler that writes character data to the display buffer
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void oled_write_char(const char data, bool invert);
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// Writes a string to the buffer at current cursor position
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// Advances the cursor while writing, inverts the pixels if true
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void oled_write(const char *data, bool invert);
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// Writes a string to the buffer at current cursor position
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// Advances the cursor while writing, inverts the pixels if true
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// Advances the cursor to the next page, wiring ' ' to the remainder of the current page
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void oled_write_ln(const char *data, bool invert);
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// Pans the buffer to the right (or left by passing true) by moving contents of the buffer
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void oled_pan(bool left);
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// Returns a pointer to the requested start index in the buffer plus remaining
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// buffer length as struct
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oled_buffer_reader_t oled_read_raw(uint16_t start_index);
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void oled_write_raw(const char *data, uint16_t size);
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void oled_write_raw_byte(const char data, uint16_t index);
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// Sets a specific pixel on or off
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// Coordinates start at top-left and go right and down for positive x and y
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void oled_write_pixel(uint8_t x, uint8_t y, bool on);
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#if defined(__AVR__)
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// Writes a PROGMEM string to the buffer at current cursor position
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// Advances the cursor while writing, inverts the pixels if true
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// Remapped to call 'void oled_write(const char *data, bool invert);' on ARM
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void oled_write_P(const char *data, bool invert);
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// Writes a PROGMEM string to the buffer at current cursor position
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// Advances the cursor while writing, inverts the pixels if true
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// Advances the cursor to the next page, wiring ' ' to the remainder of the current page
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// Remapped to call 'void oled_write_ln(const char *data, bool invert);' on ARM
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void oled_write_ln_P(const char *data, bool invert);
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void oled_write_raw_P(const char *data, uint16_t size);
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#else
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// Writes a string to the buffer at current cursor position
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// Advances the cursor while writing, inverts the pixels if true
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# define oled_write_P(data, invert) oled_write(data, invert)
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// Writes a string to the buffer at current cursor position
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// Advances the cursor while writing, inverts the pixels if true
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// Advances the cursor to the next page, wiring ' ' to the remainder of the current page
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# define oled_write_ln_P(data, invert) oled_write(data, invert)
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# define oled_write_raw_P(data, size) oled_write_raw(data, size)
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#endif // defined(__AVR__)
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// Can be used to manually turn on the screen if it is off
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// Returns true if the screen was on or turns on
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bool oled_on(void);
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// Can be used to manually turn off the screen if it is on
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// Returns true if the screen was off or turns off
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bool oled_off(void);
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// Returns true if the oled is currently on, false if it is
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// not
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bool is_oled_on(void);
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// Sets the brightness of the display
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uint8_t oled_set_brightness(uint8_t level);
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// Gets the current brightness of the display
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uint8_t oled_get_brightness(void);
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// Basically it's oled_render, but with timeout management and oled_task_user calling!
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void oled_task(void);
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// Called at the start of oled_task, weak function overridable by the user
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void oled_task_user(void);
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// Set the specific 8 lines rows of the screen to scroll.
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// 0 is the default for start, and 7 for end, which is the entire
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// height of the screen. For 128x32 screens, rows 4-7 are not used.
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void oled_scroll_set_area(uint8_t start_line, uint8_t end_line);
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// Sets scroll speed, 0-7, fastest to slowest. Default is three.
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// Does not take effect until scrolling is either started or restarted
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// the ssd1306 supports 8 speeds with the delay
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// listed below betwen each frame of the scrolling effect
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// 0=2, 1=3, 2=4, 3=5, 4=25, 5=64, 6=128, 7=256
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void oled_scroll_set_speed(uint8_t speed);
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// Scrolls the entire display right
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// Returns true if the screen was scrolling or starts scrolling
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// NOTE: display contents cannot be changed while scrolling
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bool oled_scroll_right(void);
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// Scrolls the entire display left
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// Returns true if the screen was scrolling or starts scrolling
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// NOTE: display contents cannot be changed while scrolling
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bool oled_scroll_left(void);
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// Turns off display scrolling
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// Returns true if the screen was not scrolling or stops scrolling
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bool oled_scroll_off(void);
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// Returns the maximum number of characters that will fit on a line
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uint8_t oled_max_chars(void);
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// Returns the maximum number of lines that will fit on the oled
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uint8_t oled_max_lines(void);
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