Timothy Pierce / Mbed 2 deprecated lab3

lab 3

Dependencies:   mbed mbed-rtos tsi_sensor SLCD

seven_segment.h@2:b94b72891752, 2020-02-25 (annotated)

Committer:
teajaypierce
Date:
Tue Feb 25 22:05:21 2020 +0000
Revision:
2:b94b72891752
Parent:
0:78b84e1ce9df 
lab3

Who changed what in which revision?

UserRevisionLine numberNew contents of line
wstapleton 0:78b84e1ce9df 1 #ifndef SEVEN_SEGMENT_H
wstapleton 0:78b84e1ce9df 2 #define SEVEN_SEGMENT_H
wstapleton 0:78b84e1ce9df 3
wstapleton 0:78b84e1ce9df 4 #ifndef BIT
wstapleton 0:78b84e1ce9df 5 #define BIT(N) (1 << (N))
wstapleton 0:78b84e1ce9df 6 #endif
wstapleton 0:78b84e1ce9df 7
wstapleton 0:78b84e1ce9df 8 /* This file contains routines for controlling a single seven segment */
wstapleton 0:78b84e1ce9df 9 /* display. */
wstapleton 0:78b84e1ce9df 10 /* The assumption is of a common cathode display where each anode is */
wstapleton 0:78b84e1ce9df 11 /* individually controlled by an active-high signal from a port pin. */
wstapleton 0:78b84e1ce9df 12 /* The further assumption is that the control will be through an */
wstapleton 0:78b84e1ce9df 13 /* eight-bit BusOut structure where the segment control bits are */
wstapleton 0:78b84e1ce9df 14 /* defined from most significant to least significant as: */
wstapleton 0:78b84e1ce9df 15 /* DP, G, F, E, D, C, B, A */
wstapleton 0:78b84e1ce9df 16 /*
wstapleton 0:78b84e1ce9df 17 AAA
wstapleton 0:78b84e1ce9df 18 F B
wstapleton 0:78b84e1ce9df 19 F B
wstapleton 0:78b84e1ce9df 20 F B
wstapleton 0:78b84e1ce9df 21 GGG
wstapleton 0:78b84e1ce9df 22 E C
wstapleton 0:78b84e1ce9df 23 E C
wstapleton 0:78b84e1ce9df 24 E C DP
wstapleton 0:78b84e1ce9df 25 DDD DP
wstapleton 0:78b84e1ce9df 26 */
wstapleton 0:78b84e1ce9df 27
wstapleton 0:78b84e1ce9df 28 /*
wstapleton 0:78b84e1ce9df 29 #define SEG_A BIT(0)
wstapleton 0:78b84e1ce9df 30 #define SEG_B BIT(1)
wstapleton 0:78b84e1ce9df 31 #define SEG_C BIT(2)
wstapleton 0:78b84e1ce9df 32 #define SEG_D BIT(3)
wstapleton 0:78b84e1ce9df 33 #define SEG_E BIT(4)
wstapleton 0:78b84e1ce9df 34 #define SEG_F BIT(5)
wstapleton 0:78b84e1ce9df 35 #define SEG_G BIT(6)
wstapleton 0:78b84e1ce9df 36 #define SEG_DP BIT(7)
wstapleton 0:78b84e1ce9df 37
wstapleton 0:78b84e1ce9df 38 int seven_segment_pattern [16]= {
wstapleton 0:78b84e1ce9df 39 (SEG_A+SEG_B+SEG_C+SEG_D+SEG_E+SEG_F),
wstapleton 0:78b84e1ce9df 40 (SEG_B+SEG_C),
wstapleton 0:78b84e1ce9df 41 (SEG_A+SEG_B+SEG_D+SEG_E+SEG_G),
wstapleton 0:78b84e1ce9df 42 (SEG_A+SEG_B+SEG_C+SEG_D+SEG_G),
wstapleton 0:78b84e1ce9df 43 (SEG_B+SEG_C+SEG_F+SEG_G),
wstapleton 0:78b84e1ce9df 44 (SEG_A+SEG_C+SEG_D+SEG_F+SEG_G),
wstapleton 0:78b84e1ce9df 45 (SEG_A+SEG_C+SEG_D+SEG_E+SEG_F+SEG_G),
wstapleton 0:78b84e1ce9df 46 (SEG_A+SEG_B+SEG_C),
wstapleton 0:78b84e1ce9df 47 (SEG_A+SEG_B+SEG_C+SEG_D+SEG_E+SEG_F+SEG_G),
wstapleton 0:78b84e1ce9df 48 (SEG_A+SEG_B+SEG_C+SEG_D+SEG_F+SEG_G),
wstapleton 0:78b84e1ce9df 49 (SEG_A+SEG_B+SEG_C+SEG_E+SEG_F+SEG_G),
wstapleton 0:78b84e1ce9df 50 (SEG_C+SEG_D+SEG_E+SEG_F+SEG_G),
wstapleton 0:78b84e1ce9df 51 (SEG_ASEG_D+SEG_E+SEG_F),
wstapleton 0:78b84e1ce9df 52 (SEG_B+SEG_C+SEG_D+SEG_E+SEG_G),
wstapleton 0:78b84e1ce9df 53 (SEG_A+SEG_D+SEG_E+SEG_F+SEG_G),
wstapleton 0:78b84e1ce9df 54 (SEG_A+SEG_E+SEG_F+SEG_G)
wstapleton 0:78b84e1ce9df 55 };
wstapleton 0:78b84e1ce9df 56 */
wstapleton 0:78b84e1ce9df 57
wstapleton 0:78b84e1ce9df 58 int seven_segment_pattern [16]= {0x3F,0x06,0x5B,0x4F,0x66,0x6D,0x7D,0x07,0x7F,0x6F,0x77,0x7C,0x39,0x5E,0x79,0x71};
wstapleton 0:78b84e1ce9df 59 /* 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, b, C, d, E, F */
wstapleton 0:78b84e1ce9df 60
wstapleton 0:78b84e1ce9df 61 //BusOut seven_segment(SEVEN_SEGMENT_A,SEVEN_SEGMENT_B,SEVEN_SEGMENT_C,SEVEN_SEGMENT_D,SEVEN_SEGMENT_E,SEVEN_SEGMENT_F,SEVEN_SEGMENT_G,SEVEN_SEGMENT_DP);
wstapleton 0:78b84e1ce9df 62 BusOut seven_segment(NC, NC, NC, NC, NC, NC, NC, NC);
wstapleton 0:78b84e1ce9df 63
wstapleton 0:78b84e1ce9df 64 int seven_segment_find_pattern(char ss_out)
wstapleton 0:78b84e1ce9df 65 {
wstapleton 0:78b84e1ce9df 66
wstapleton 0:78b84e1ce9df 67 if((ss_out >= 0) && (ss_out <=15))
wstapleton 0:78b84e1ce9df 68 {
wstapleton 0:78b84e1ce9df 69 return(seven_segment_pattern[ss_out]);
wstapleton 0:78b84e1ce9df 70 }
wstapleton 0:78b84e1ce9df 71 else if((ss_out >= '0') && (ss_out <='9'))
wstapleton 0:78b84e1ce9df 72 {
wstapleton 0:78b84e1ce9df 73 return(seven_segment_pattern[ss_out-'0']);
wstapleton 0:78b84e1ce9df 74 }
wstapleton 0:78b84e1ce9df 75 else if((ss_out >= 'A') && (ss_out <='F'))
wstapleton 0:78b84e1ce9df 76 {
wstapleton 0:78b84e1ce9df 77 return(seven_segment_pattern[ss_out-'A'+10]);
wstapleton 0:78b84e1ce9df 78 }
wstapleton 0:78b84e1ce9df 79 else if((ss_out >= 'a') && (ss_out <='f'))
wstapleton 0:78b84e1ce9df 80 {
wstapleton 0:78b84e1ce9df 81 return(seven_segment_pattern[ss_out-'a'+10]);
wstapleton 0:78b84e1ce9df 82 }
wstapleton 0:78b84e1ce9df 83 else if(ss_out =='*')
wstapleton 0:78b84e1ce9df 84 {
wstapleton 0:78b84e1ce9df 85 return(seven_segment_pattern[0x0E]);
wstapleton 0:78b84e1ce9df 86 }
wstapleton 0:78b84e1ce9df 87 else if(ss_out =='#')
wstapleton 0:78b84e1ce9df 88 {
wstapleton 0:78b84e1ce9df 89 return(seven_segment_pattern[0x0F]);
wstapleton 0:78b84e1ce9df 90 }
wstapleton 0:78b84e1ce9df 91 else
wstapleton 0:78b84e1ce9df 92 {
wstapleton 0:78b84e1ce9df 93 return(0);
wstapleton 0:78b84e1ce9df 94 }
wstapleton 0:78b84e1ce9df 95
wstapleton 0:78b84e1ce9df 96 } /* end of seven_segment_output() */
wstapleton 0:78b84e1ce9df 97
wstapleton 0:78b84e1ce9df 98 int seven_segment_output(char ss_out)
wstapleton 0:78b84e1ce9df 99 {
wstapleton 0:78b84e1ce9df 100 int pattern;
wstapleton 0:78b84e1ce9df 101 pattern=seven_segment_find_pattern(ss_out);
wstapleton 0:78b84e1ce9df 102 seven_segment=pattern;
wstapleton 0:78b84e1ce9df 103 return(pattern);
wstapleton 0:78b84e1ce9df 104
wstapleton 0:78b84e1ce9df 105 } /* end of seven_segment_output() */
wstapleton 0:78b84e1ce9df 106
wstapleton 0:78b84e1ce9df 107
wstapleton 0:78b84e1ce9df 108
wstapleton 0:78b84e1ce9df 109
wstapleton 0:78b84e1ce9df 110 #endif /* #ifndef SEVEN_SEGMENT_H */