Adolfo Reyna
55 lines
2.0 KiB
C++
55 lines
2.0 KiB
C++
#ifndef SSD1306_FRAMEBUFFER_H
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#define SSD1306_FRAMEBUFFER_H
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#include <string.h>
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/// \brief Set frame buffer to 1024 bytes, witch is 128*64 / 8
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///
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/// For 128x32 displays it's still 1024 due to how memory mapping works on ssd1306.
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/// This is explained in readme.md
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#define FRAMEBUFFER_SIZE 1024
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/// \brief Framebuffer class contains a pointer to buffer and functions for interacting with it
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class FrameBuffer {
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unsigned char * buffer;
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public:
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/// Constructs frame buffer and allocates memory for buffer
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FrameBuffer();
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/// Destroys frame buffer and frees buffer memory
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~FrameBuffer();
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/// \brief Performs OR logical operation on selected and provided byte
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///
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/// ex. if byte in buffer at position n is 0b10001111 and provided byte is 0b11110000 the buffer at position n becomes 0b11111111
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/// \param n - byte offset in buffer array to work on
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/// \param byte - provided byte to make operation
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void byteOR(int n, unsigned char byte);
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/// \brief Performs AND logical operation on selected and provided byte
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///
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/// ex. if byte in buffer at position n is 0b10001111 and provided byte is 0b11110000 the buffer at position n becomes 0b10000000
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/// \param n - byte offset in buffer array to work on
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/// \param byte - provided byte to make operation
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void byteAND(int n, unsigned char byte);
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/// \brief Performs XOR logical operation on selected and provided byte
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///
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/// ex. if byte in buffer at position n is 0b10001111 and provided byte is 0b11110000 the buffer at position n becomes 0b0111111
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/// \param n - byte offset in buffer array to work on
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/// \param byte - provided byte to make operation
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void byteXOR(int n, unsigned char byte);
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/// Replaces pointer with one pointing to a different buffer
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void setBuffer(unsigned char * new_buffer);
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/// Zeroes out the buffer aka set buffer to all 0
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void clear();
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/// Returns a pointer to the buffer
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unsigned char * get();
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};
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#endif //SSD1306_FRAMEBUFFER_H
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