#ifndef _7SEGMENT_H_
#define _7SEGMENT_H_

#define SEG_A              1
#define SEG_B              1 << 1
#define SEG_C              1 << 2
#define SEG_D              1 << 3
#define SEG_E              1 << 4
#define SEG_F              1 << 5
#define SEG_G              1 << 6
#define SEG_DP             1 << 7

// 3, 5, A, F don't properly handle segment D (bottom). Not sure why.
// Other digits that include the bottom segment (like 2, 0, 8) and that don't include it
// (like 7, 9, 4) work fine.

#define CHAR_7SEG_0        (uint8_t) ~(SEG_DP | SEG_A | SEG_B | SEG_C | SEG_D | SEG_E | SEG_F)
#define CHAR_7SEG_1        (uint8_t) ~(SEG_DP | SEG_B | SEG_C)
#define CHAR_7SEG_2        (uint8_t) ~(SEG_DP | SEG_A | SEG_B | SEG_G | SEG_E | SEG_D)
#define CHAR_7SEG_3        (uint8_t) ~(SEG_DP | SEG_A | SEG_B | SEG_C | SEG_D | SEG_G )
#define CHAR_7SEG_4        (uint8_t) ~(SEG_DP | SEG_F | SEG_G | SEG_B | SEG_C)
#define CHAR_7SEG_5        (uint8_t) ~(SEG_DP | SEG_A | SEG_F | SEG_G | SEG_C | SEG_D)
#define CHAR_7SEG_6        (uint8_t) ~(SEG_DP | SEG_A | SEG_F | SEG_E | SEG_D | SEG_C | SEG_G)
#define CHAR_7SEG_7        (uint8_t) ~(SEG_DP | SEG_A | SEG_B | SEG_C)
#define CHAR_7SEG_8        (uint8_t) ~(SEG_DP | SEG_A | SEG_B | SEG_C | SEG_D | SEG_E | SEG_F | SEG_G)
#define CHAR_7SEG_9        (uint8_t) ~(SEG_DP | SEG_A | SEG_B | SEG_C | SEG_F | SEG_G)

#define CHAR_7SEG_A        (uint8_t) ~(SEG_DP | SEG_A | SEG_B | SEG_C | SEG_E | SEG_F | SEG_G)
#define CHAR_7SEG_B        (uint8_t) ~(SEG_DP | SEG_C | SEG_D | SEG_E | SEG_F | SEG_G)
#define CHAR_7SEG_C        (uint8_t) ~(SEG_DP | SEG_A | SEG_D | SEG_E | SEG_F)
#define CHAR_7SEG_D        (uint8_t) ~(SEG_DP | SEG_C | SEG_D | SEG_E | SEG_B | SEG_G)
#define CHAR_7SEG_E        (uint8_t) ~(SEG_DP | SEG_A | SEG_D | SEG_E | SEG_F | SEG_G)
#define CHAR_7SEG_F        (uint8_t) ~(SEG_DP | SEG_A | SEG_E | SEG_F | SEG_G)
#define CHAR_7SEG_L        (uint8_t) ~(SEG_D | SEG_E | SEG_F)
#define CHAR_7SEG_DP       (uint8_t) ~SEG_DP


/* #define CHAR_7SEG_0        0xC0 // 0b11000000 */
/* #define CHAR_7SEG_1        0xF9 // 0b11111001 */
/* #define CHAR_7SEG_2        0xA4 // 0b10100100 */
/* #define CHAR_7SEG_3        0xB0 // 0b10110000 */
/* #define CHAR_7SEG_4        0x99 // 0b10011001 */
/* #define CHAR_7SEG_5        0x92 // 0b10010010 */
/* #define CHAR_7SEG_6        0x82 // 0b10000010 */
/* #define CHAR_7SEG_7        0xF8 // 0b11111000 */
/* #define CHAR_7SEG_8        0x80 // 0b10000000 */
/* #define CHAR_7SEG_9        0x90 // 0b10010000 */
/* #define CHAR_7SEG_A        0x88 // 0b10001000 */
/* #define CHAR_7SEG_B        0x83 // 0b10000011 */
/* #define CHAR_7SEG_C        0xC6 // 0b11000110 */
/* #define CHAR_7SEG_D        0xA1 // 0b10100001 */
/* #define CHAR_7SEG_E        0x86 // 0b10000110 */
/* #define CHAR_7SEG_F        0x8E // 0b10001110 */
/* #define CHAR_7SEG_DP       0x80 // 0b10000000 */
/* #define CHAR_7SEG_OFF      0x00 // 0b00000000 */

#define PIN_7SEGMENT_DIGIT1        7
#define PIN_7SEGMENT_DIGIT2        6
#define PIN_7SEGMENT_DIGIT3        5
#define PIN_7SEGMENT_DIGIT4        4

int init7Segment(void);
void test7Segment(void);
int select7SegDisplay(uint8_t num);


#endif // _7SEGMENT_H_