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lib/ssd1306.h
107
lib/ssd1306.h
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/**
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* -------------------------------------------------------------------------------------+
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* @desc SSD1306 OLED Driver
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* @brief SSD1306 OLED Driver
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* -------------------------------------------------------------------------------------+
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* Copyright (C) 2020 Marian Hrinko.
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* Written by Marian Hrinko (mato.hrinko@gmail.com)
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*
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* @author Marian Hrinko
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* @date 06.10.2020
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* @update 21.11.2022
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* @file ssd1306.h
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* @version 2.0.0
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* @tested AVR Atmega328p
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* @test AVR Atmega328p
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*
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* @depend string.h, font.h, twi.h
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* -------------------------------------------------------------------------------------+
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* @descr Version 1.0.0 -> applicable for 1 display
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* Version 2.0.0 -> rebuild to 'cacheMemLcd' array
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* Version 3.0.0 -> simplified alphanumeric version for 1 display
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* @brief Version 1.0 -> applicable for 1 display
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* Version 2.0 -> rebuild to 'cacheMemLcd' array
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* Version 3.0 -> simplified alphanumeric version for 1 display
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* -------------------------------------------------------------------------------------+
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* @usage Basic Setup for OLED Display
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*/
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#define SSD1306_DATA 0xC0 // Continuation bit=1, D/C=1; 1100 0000
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#define SSD1306_DATA_STREAM 0x40 // Continuation bit=0, D/C=1; 0100 0000
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#define SSD1306_SET_MUX_RATIO 0xA8
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#define SSD1306_DISPLAY_OFFSET 0xD3
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#define SSD1306_DISPLAY_ON 0xAF
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#define SSD1306_DISPLAY_OFF 0xAE
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#define SSD1306_DIS_ENT_DISP_ON 0xA4
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#define SSD1306_DIS_IGNORE_RAM 0xA5
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#define SSD1306_DIS_NORMAL 0xA6
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#define SSD1306_DIS_INVERSE 0xA7
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#define SSD1306_DEACT_SCROLL 0x2E
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#define SSD1306_ACTIVE_SCROLL 0x2F
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#define SSD1306_SET_START_LINE 0x40
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#define SSD1306_MEMORY_ADDR_MODE 0x20
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#define SSD1306_SET_COLUMN_ADDR 0x21
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#define SSD1306_SET_PAGE_ADDR 0x22
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#define SSD1306_SEG_REMAP 0xA0
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#define SSD1306_SEG_REMAP_OP 0xA1
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#define SSD1306_COM_SCAN_DIR 0xC0
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#define SSD1306_COM_SCAN_DIR_OP 0xC8
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#define SSD1306_COM_PIN_CONF 0xDA
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#define SSD1306_SET_CONTRAST 0x81
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#define SSD1306_SET_OSC_FREQ 0xD5
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#define SSD1306_SET_CHAR_REG 0x8D
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#define SSD1306_SET_PRECHARGE 0xD9
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#define SSD1306_VCOM_DESELECT 0xDB
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#define SSD1306_SET_MUX_RATIO 0xA8 // Set MUX ratio to N+1 MUX, N=A[5:0] : from 16MUX to 64MUX
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#define SSD1306_DISPLAY_OFFSET 0xD3 // Set Display Offset
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#define SSD1306_DISPLAY_ON 0xAF // Display ON in normal mode
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#define SSD1306_DISPLAY_OFF 0xAE // Display OFF (sleep mode)
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#define SSD1306_DIS_ENT_DISP_ON 0xA4 // Entire Display ON, Output ignores RAM content
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#define SSD1306_DIS_IGNORE_RAM 0xA5 // Resume to RAM content display, Output follows RAM content
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#define SSD1306_DIS_NORMAL 0xA6 // Normal display, 0 in RAM: OFF in display panel, 1 in RAM: ON in display panel
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#define SSD1306_DIS_INVERSE 0xA7 // Inverse display, 0 in RAM: ON in display panel, 1 in RAM: OFF in display panel
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#define SSD1306_DEACT_SCROLL 0x2E // Stop scrolling that is configured by command 26h/27h/29h/2Ah
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#define SSD1306_ACTIVE_SCROLL 0x2F // Start scrolling that is configured by the scrolling setup commands:26h/27h/29h/2Ah
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#define SSD1306_SET_START_LINE 0x40 // Set Display Start Line
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#define SSD1306_MEMORY_ADDR_MODE 0x20 // Set Memory, Addressing Mode
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#define SSD1306_SET_COLUMN_ADDR 0x21 // Set Column Address
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#define SSD1306_SET_PAGE_ADDR 0x22 // Set Page Address
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#define SSD1306_SEG_REMAP 0xA0 // Set Segment Re-map, X[0]=0b column address 0 is mapped to SEG0
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#define SSD1306_SEG_REMAP_OP 0xA1 // Set Segment Re-map, X[0]=1b: column address 127 is mapped to SEG0
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#define SSD1306_COM_SCAN_DIR 0xC0 // Set COM Output, X[3]=0b: normal mode (RESET) Scan from COM0 to COM[N –1], e N is the Multiplex ratio
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#define SSD1306_COM_SCAN_DIR_OP 0xC8 // Set COM Output, X[3]=1b: remapped mode. Scan from COM[N-1] to COM0, e N is the Multiplex ratio
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#define SSD1306_COM_PIN_CONF 0xDA // Set COM Pins Hardware Configuration,
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// A[4]=0b, Sequential COM pin configuration, A[4]=1b(RESET), Alternative COM pin configuration
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// A[5]=0b(RESET), Disable COM Left/Right remap, A[5]=1b, Enable COM Left/Right remap
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#define SSD1306_SET_CONTRAST 0x81 // Set Contrast Control, Double byte command to select 1 to 256 contrast steps, increases as the value increases
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#define SSD1306_SET_OSC_FREQ 0xD5 // Set Display Clock Divide Ratio/Oscillator Frequency
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// A[3:0] : Define the divide ratio (D) of the display clocks (DCLK): Divide ratio= A[3:0] + 1, RESET is 0000b (divide ratio = 1)
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// A[7:4] : Set the Oscillator Frequency, FOSC. Oscillator Frequency increases with the value of A[7:4] and vice versa. RESET is 1000b
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#define SSD1306_SET_CHAR_REG 0x8D // Charge Pump Setting, A[2] = 0b, Disable charge pump(RESET), A[2] = 1b, Enable charge pump during display on
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// The Charge Pump must be enabled by the following command:
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// 8Dh ; Charge Pump Setting
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// 14h ; Enable Charge Pump
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// AFh; Display ON
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#define SSD1306_SET_PRECHARGE 0xD9 // Set Pre-charge Period
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#define SSD1306_VCOM_DESELECT 0xDB // Set VCOMH Deselect Leve
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#define SSD1306_NOP 0xE3 // No operation
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#define SSD1306_RESET 0xE4 // Maybe SW RESET, @source https://github.com/SmingHub/Sming/issues/501
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// Clear Color
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// ------------------------------------------------------------------------------------
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unsigned int _counter;
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/**
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* @desc SSD1306 Init
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* --------------------------------------------------------------------------------------------+
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* PRIVATE FUNCTIONS
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* --------------------------------------------------------------------------------------------+
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*/
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/**
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* @brief SSD1306 Init
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*
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* @param uint8_t
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*
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uint8_t SSD1306_Init (uint8_t);
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/**
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* @desc SSD1306 Send Start and SLAW request
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* @brief SSD1306 Send Start and SLAW request
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*
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* @param uint8_t
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*
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uint8_t SSD1306_Send_StartAndSLAW (uint8_t);
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/**
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* @desc SSD1306 Send command
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* @brief SSD1306 Send command
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*
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* @param uint8_t
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*
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uint8_t SSD1306_Send_Command (uint8_t);
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/**
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* @desc SSD1306 Clear screen
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* +------------------------------------------------------------------------------------+
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* |== PUBLIC FUNCTIONS ================================================================|
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* +------------------------------------------------------------------------------------+
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*/
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/**
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* @brief SSD1306 Clear screen
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*
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* @param void
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*
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void SSD1306_ClearScreen (void);
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/**
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* @desc SSD1306 Normal colors
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* @brief SSD1306 Normal colors
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*
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* @param uint8_t
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*
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uint8_t SSD1306_NormalScreen (uint8_t);
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/**
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* @desc SSD1306 Inverse colors
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* @brief SSD1306 Inverse colors
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*
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* @param uint8_t
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*
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uint8_t SSD1306_InverseScreen (uint8_t);
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/**
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* @desc SSD1306 Update screen
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* @brief SSD1306 Update screen
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*
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* @param uint8_t
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*
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uint8_t SSD1306_UpdateScreen (uint8_t);
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/**
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* @desc SSD1306 Update text position
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* @brief SSD1306 Update text position
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*
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* @param void
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*
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uint8_t SSD1306_UpdatePosition (void);
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/**
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* @desc SSD1306 Set position
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* @brief SSD1306 Set position
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*
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* @param uint8_t
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* @param uint8_t
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void SSD1306_SetPosition (uint8_t, uint8_t);
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/**
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* @desc SSD1306 Draw character
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* @brief SSD1306 Draw character
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*
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* @param char
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*
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uint8_t SSD1306_DrawChar (char);
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/**
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* @desc SSD1306 Draw string
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* @brief SSD1306 Draw string
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*
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* @param char *
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*
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void SSD1306_DrawString (char *);
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/**
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* @desc Draw pixel
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* @brief Draw pixel
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*
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* @param uint8_t
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* @param uint8_t
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uint8_t SSD1306_DrawPixel (uint8_t, uint8_t);
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/**
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* @desc Draw line
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* @brief Draw line
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*
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* @param uint8_t
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* @param uint8_t
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