25 lines
837 B
C
25 lines
837 B
C
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#ifndef __LCD
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#define __LCD
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#define DISPLAY_RS ((uint16_t) (0x1U << 7))
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#define DISPLAY_RW ((uint16_t) (0x1U << 10))
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#define DISPLAY_ENA ((uint16_t) (0x1U << 11))
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#define DISPLAY_POLL_UNTIL_READY do { while (display_read_status() & 0x80) {} } while (0)
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#define DISPLAY_SET_INCREMENT do { display_write_instruction_byte(0x06); } while (0)
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#define DISPLAY_SET_DECREMENT do { display_write_instruction_byte(0x04); } while (0)
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#define DISPLAY_SET_CURSOR(line, position) do { display_write_instruction_byte(0x80 | (line << 6) | position); } while (0)
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#define DISPLAY_CLEAR do { display_write_instruction_byte(0x01); } while (0)
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void display_init(void);
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uint8_t display_read_status(void);
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void display_write_instruction_byte(uint8_t code);
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void display_write_data_byte(uint8_t code);
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void display_write_data_seq(char *codes);
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#endif
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