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329 Kevin 1 
#ifndef LED_BACKPACK_H
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#define	LED_BACKPACK_H
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#include "defines.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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    uint8_t i2c_address;
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    uint8_t 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(uint8_t c);
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void LED_Blink_Rate(uint8_t 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(uint8_t c);
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void LED_Write_Digit_Raw(uint8_t loc, uint8_t bitmask);
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void LED_Write_Digit_Num(uint8_t loc, uint8_t num, uint8_t dot);
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void LED_Write_Digit_Alpha(uint8_t loc, uint8_t alpha, uint8_t dot);
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void LED_Write_Num(uint16_t i);
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#endif	/* LED_BACKPACK_H */
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