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#ifndef LED_BACKPACK_H
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#define LED_BACKPACK_H
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#define HT16K33_BLINK_CMD 0x80
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#define HT16K33_BLINK_DISPLAYON 0x01
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#define HT16K33_BLINK_OFF 0
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#define HT16K33_BLINK_2HZ 1
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#define HT16K33_BLINK_1HZ 2
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#define HT16K33_BLINK_HALFHZ 3
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#define HT16K33_CMD_BRIGHTNESS 0x0E
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typedef struct {
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unsigned char i2c_address;
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unsigned char display_buffer[17];
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} LED_DATA;
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void LED_Init(void);
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void LED_Start(void);
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void LED_Set_Brightness(unsigned char c);
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void LED_Blink_Rate(unsigned char c);
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void LED_Write_Display(void);
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void LED_Clear(void);
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void LED_Draw_Colon(unsigned char c);
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void LED_Write_Digit_Raw(unsigned char loc, unsigned char bitmask);
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void LED_Write_Digit_Num(unsigned char loc, unsigned char num, unsigned char dot);
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void LED_Write_Digit_Alpha(unsigned char loc, unsigned char alpha, unsigned char dot);
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void LED_Write_Num(unsigned int i);
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#endif /* LED_BACKPACK_H */
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