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#ifndef LED_BACKPACK_H
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#define LED_BACKPACK_H
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#define HT16K33_ADDRESS 0x70
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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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char i2c_address;
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char display_buffer[17];
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} LED_DATA;
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void LED_Init(LED_DATA *data);
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void LED_Start(void);
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void LED_Set_Brightness(char c);
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void LED_Blink_Rate(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(char c);
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void LED_Write_Digit_Raw(char loc, char bitmask);
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void LED_Write_Digit_Num(char loc, char num, char dot);
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void LED_Write_Digit_Alpha(char loc, char alpha, char dot);
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void LED_Write_Num(int i);
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#endif /* LED_BACKPACK_H */
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