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ssd1306.h
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#ifndef _SSD1306_H_
#define _SSD1306_H_
#ifdef __cplusplus
extern "C" {
#endif
/* For uint(X)_t */
#include <stdint.h>
/* For booooool */
#include <stdbool.h>
#include "sdkconfig.h"
#include "ssd1306_err.h"
#define SSD_ALWAYS_INLINE __attribute__( ( always_inline ) )
#define SSD1306_Max_Col 127
#define SSD1306_Max_Row 7
#if ! defined BIT
#define BIT( n ) ( 1 << n )
#endif
typedef enum {
SSDCmd_Set_Contrast = 0x81,
SSDCmd_Set_Display_Show_RAM = 0xA4,
SSDCmd_Set_Display_Ignore_RAM = 0xA5,
SSDCmd_Set_Normal_Display = 0xA6,
SSDCmd_Set_Inverted_Display = 0xA7,
SSDCmd_Set_Display_Off = 0xAE,
SSDCmd_Set_Display_On = 0xAF,
SSDCmd_Set_Memory_Addressing_Mode = 0x20,
SSDCmd_Set_Mux_Ratio = 0xA8,
SSDCmd_Nop = 0xE3,
SSDCmd_Set_Display_Offset = 0xD3,
SSDCmd_Set_Display_Start_Line = 0x40,
SSDCmd_Set_Display_HFlip_Off = 0xA0,
SSDCmd_Set_Display_HFlip_On = 0xA1,
SSDCmd_Set_Display_VFlip_Off = 0xC0,
SSDCmd_Set_Display_VFlip_On = 0xC8,
SSDCmd_Set_COM_Pin_Config = 0xDA,
SSDCmd_Set_Display_CLK = 0xD5,
SSDCmd_Enable_Charge_Pump_Regulator = 0x8D,
SSDCmd_Set_Column_Address = 0x21,
SSDCmd_Set_Page_Address = 0x22
} SSDCmd;
typedef enum {
AddressMode_Horizontal = 0,
AddressMode_Vertical,
AddressMode_Page,
AddressMode_Invalid
} SSD1306_AddressMode;
struct SSD1306_Device;
/*
* These can optionally return a succeed/fail but are as of yet unused in the driver.
*/
typedef bool ( *WriteCommandProc ) ( struct SSD1306_Device* DeviceHandle, SSDCmd Command );
typedef bool ( *WriteDataProc ) ( struct SSD1306_Device* DeviceHandle, const uint8_t* Data, size_t DataLength );
typedef bool ( *ResetProc ) ( struct SSD1306_Device* DeviceHandle );
struct spi_device_t;
typedef struct spi_device_t* spi_device_handle_t;
struct SSD1306_FontDef;
struct SSD1306_Device {
/* I2C Specific */
int Address;
/* SPI Specific */
spi_device_handle_t SPIHandle;
int RSTPin;
int CSPin;
/* Everything else */
int Width;
int Height;
uint8_t* Framebuffer;
int FramebufferSize;
WriteCommandProc WriteCommand;
WriteDataProc WriteData;
ResetProc Reset;
const struct SSD1306_FontDef* Font;
bool FontForceProportional;
bool FontForceMonospace;
};
void SSD1306_SetMuxRatio( struct SSD1306_Device* DeviceHandle, uint8_t Ratio );
void SSD1306_SetDisplayOffset( struct SSD1306_Device* DeviceHandle, uint8_t Offset );
void SSD1306_SetDisplayStartLines( struct SSD1306_Device* DeviceHandle );
void SSD1306_SetSegmentRemap( struct SSD1306_Device* DeviceHandle, bool Remap );
void SSD1306_SetContrast( struct SSD1306_Device* DeviceHandle, uint8_t Contrast );
void SSD1306_EnableDisplayRAM( struct SSD1306_Device* DeviceHandle );
void SSD1306_DisableDisplayRAM( struct SSD1306_Device* DeviceHandle );
void SSD1306_SetInverted( struct SSD1306_Device* DeviceHandle, bool Inverted );
void SSD1306_SetHFlip( struct SSD1306_Device* DeviceHandle, bool On );
void SSD1306_SetVFlip( struct SSD1306_Device* DeviceHandle, bool On );
void SSD1306_DisplayOn( struct SSD1306_Device* DeviceHandle );
void SSD1306_DisplayOff( struct SSD1306_Device* DeviceHandle );
void SSD1306_SetDisplayAddressMode( struct SSD1306_Device* DeviceHandle, SSD1306_AddressMode AddressMode );
void SSD1306_Update( struct SSD1306_Device* DeviceHandle );
void SSD1306_SetDisplayClocks( struct SSD1306_Device* DeviceHandle, uint32_t DisplayClockDivider, uint32_t OSCFrequency );
void SSD1306_WriteRawData( struct SSD1306_Device* DeviceHandle, uint8_t* Data, size_t DataLength );
void SSD1306_SetColumnAddress( struct SSD1306_Device* DeviceHandle, uint8_t Start, uint8_t End );
void SSD1306_SetPageAddress( struct SSD1306_Device* DeviceHandle, uint8_t Start, uint8_t End );
bool SSD1306_HWReset( struct SSD1306_Device* DeviceHandle );
bool SSD1306_Init_I2C( struct SSD1306_Device* DeviceHandle, int Width, int Height, int I2CAddress, int ResetPin, WriteCommandProc WriteCommand, WriteDataProc WriteData, ResetProc Reset );
bool SSD1306_Init_SPI( struct SSD1306_Device* DeviceHandle, int Width, int Height, int ResetPin, int CSPin, spi_device_handle_t SPIHandle, WriteCommandProc WriteCommand, WriteDataProc WriteData, ResetProc Reset );
#ifdef __cplusplus
}
#endif
#endif