Paul Staron / FRDM-KL46Z LCD rtc Demo

FRDM-KL46Z board sLCD demo code using RTC clock.

Dependencies:   SLCD mbed-src

main.cpp@0:4f67859595b2, 2014-01-20 (annotated)

Committer:
star297
Date:
Mon Jan 20 21:08:57 2014 +0000
Revision:
0:4f67859595b2
Child:
1:34f0bfc62803
added functions

Who changed what in which revision?

UserRevisionLine numberNew contents of line
star297 0:4f67859595b2 1 #include "mbed.h"
star297 0:4f67859595b2 2 #include "SLCD.h"
star297 0:4f67859595b2 3
star297 0:4f67859595b2 4 time_t seconds = time(NULL); // needed to start rtc
star297 0:4f67859595b2 5
star297 0:4f67859595b2 6 SLCD slcd;
star297 0:4f67859595b2 7 Timer scroll;
star297 0:4f67859595b2 8
star297 0:4f67859595b2 9 InterruptIn setmin (SW1);
star297 0:4f67859595b2 10 InterruptIn sethour (SW3);
star297 0:4f67859595b2 11
star297 0:4f67859595b2 12 struct tm t;
star297 0:4f67859595b2 13
star297 0:4f67859595b2 14 int i,j,k,lastscroll,display,minute,hour,colon,dp;
star297 0:4f67859595b2 15 char message[80];
star297 0:4f67859595b2 16 void scroll_message();
star297 0:4f67859595b2 17 char buffer[32];
star297 0:4f67859595b2 18
star297 0:4f67859595b2 19 void setminIRQ();
star297 0:4f67859595b2 20 void sethourIRQ();
star297 0:4f67859595b2 21
star297 0:4f67859595b2 22
star297 0:4f67859595b2 23 main()
star297 0:4f67859595b2 24 {
star297 0:4f67859595b2 25
star297 0:4f67859595b2 26 slcd.LCD_All_Segments_ON();
star297 0:4f67859595b2 27 wait(.5);
star297 0:4f67859595b2 28 slcd.LCD_All_Segments_OFF ();
star297 0:4f67859595b2 29 wait(.5);
star297 0:4f67859595b2 30 slcd.printf(" ");
star297 0:4f67859595b2 31 wait(.5);
star297 0:4f67859595b2 32 slcd.COLON_ON();
star297 0:4f67859595b2 33 wait(.5);
star297 0:4f67859595b2 34 slcd.DP1_ON();
star297 0:4f67859595b2 35 wait(.5);
star297 0:4f67859595b2 36 slcd.DP2_ON();
star297 0:4f67859595b2 37 wait(.5);
star297 0:4f67859595b2 38 slcd.DP3_ON();
star297 0:4f67859595b2 39 wait(.5);
star297 0:4f67859595b2 40 slcd.printf("8888");
star297 0:4f67859595b2 41 wait(.5);
star297 0:4f67859595b2 42 slcd.COLON_OFF();
star297 0:4f67859595b2 43 wait(.5);
star297 0:4f67859595b2 44 slcd.DP1_OFF();
star297 0:4f67859595b2 45 wait(.5);
star297 0:4f67859595b2 46 slcd.DP2_OFF();
star297 0:4f67859595b2 47 wait(.5);
star297 0:4f67859595b2 48 slcd.DP3_OFF();
star297 0:4f67859595b2 49 wait(.5);
star297 0:4f67859595b2 50 slcd.DP1_ON();
star297 0:4f67859595b2 51 wait(.5);
star297 0:4f67859595b2 52 slcd.DP2_ON();
star297 0:4f67859595b2 53 wait(.5);
star297 0:4f67859595b2 54 slcd.DP3_ON();
star297 0:4f67859595b2 55 wait(.5);
star297 0:4f67859595b2 56 slcd.LCD_All_Segments_OFF();
star297 0:4f67859595b2 57
star297 0:4f67859595b2 58 sprintf(message, " 1234567890 ABCDEFGHIJKLMNOPQRSTUVWXYZ");
star297 0:4f67859595b2 59
star297 0:4f67859595b2 60 scroll.start();
star297 0:4f67859595b2 61 while (i<44){
star297 0:4f67859595b2 62
star297 0:4f67859595b2 63 while (i<44) {
star297 0:4f67859595b2 64 scroll_message();
star297 0:4f67859595b2 65 }
star297 0:4f67859595b2 66 }
star297 0:4f67859595b2 67
star297 0:4f67859595b2 68
star297 0:4f67859595b2 69 setmin.rise(setminIRQ);
star297 0:4f67859595b2 70 sethour.rise(sethourIRQ);
star297 0:4f67859595b2 71
star297 0:4f67859595b2 72 while(1){
star297 0:4f67859595b2 73
star297 0:4f67859595b2 74 time_t seconds = time(NULL);
star297 0:4f67859595b2 75
star297 0:4f67859595b2 76 if(display>14) {
star297 0:4f67859595b2 77 strftime(buffer, 4, "%H%M", localtime(&seconds));colon=1;dp=0;;
star297 0:4f67859595b2 78 }
star297 0:4f67859595b2 79 else{strftime(buffer, 4, "%M%S", localtime(&seconds));dp=1;colon=0;}
star297 0:4f67859595b2 80
star297 0:4f67859595b2 81 if(colon){slcd.COLON_ON();slcd.DP2_OFF();}
star297 0:4f67859595b2 82 if(dp){slcd.DP2_ON();slcd.COLON_OFF();}
star297 0:4f67859595b2 83 slcd.printf(buffer);
star297 0:4f67859595b2 84 wait(.25);
star297 0:4f67859595b2 85 if(colon)slcd.COLON_ON();
star297 0:4f67859595b2 86 if(dp){slcd.DP2_OFF();slcd.COLON_OFF();}
star297 0:4f67859595b2 87 slcd.printf(buffer);
star297 0:4f67859595b2 88 display++;
star297 0:4f67859595b2 89 if (display>19)display=0;
star297 0:4f67859595b2 90 wait(.25);
star297 0:4f67859595b2 91
star297 0:4f67859595b2 92 }
star297 0:4f67859595b2 93 }
star297 0:4f67859595b2 94
star297 0:4f67859595b2 95 void scroll_message()
star297 0:4f67859595b2 96 {
star297 0:4f67859595b2 97 if (scroll.read_ms() > lastscroll + 200) {
star297 0:4f67859595b2 98 scroll.reset();
star297 0:4f67859595b2 99 if (i > 44) {
star297 0:4f67859595b2 100 i=0;
star297 0:4f67859595b2 101 }
star297 0:4f67859595b2 102 int j, k = i;
star297 0:4f67859595b2 103 for (j = 0; j < 4; j++) {
star297 0:4f67859595b2 104 if (message[k+j]) {
star297 0:4f67859595b2 105 slcd.putc(message[k+j]);
star297 0:4f67859595b2 106 } else {
star297 0:4f67859595b2 107 slcd.putc(' ');
star297 0:4f67859595b2 108 k--;
star297 0:4f67859595b2 109 }
star297 0:4f67859595b2 110 }
star297 0:4f67859595b2 111 i++;
star297 0:4f67859595b2 112 lastscroll=scroll.read_ms();
star297 0:4f67859595b2 113 }
star297 0:4f67859595b2 114 }
star297 0:4f67859595b2 115
star297 0:4f67859595b2 116 void setminIRQ(void)
star297 0:4f67859595b2 117 {
star297 0:4f67859595b2 118 display=15;
star297 0:4f67859595b2 119 time_t seconds = time(NULL);
star297 0:4f67859595b2 120 char buffer[2];
star297 0:4f67859595b2 121 strftime(buffer, 2,"%H", localtime(&seconds));
star297 0:4f67859595b2 122 hour = atoi(buffer);
star297 0:4f67859595b2 123 strftime(buffer, 2,"%M", localtime(&seconds));
star297 0:4f67859595b2 124 minute = atoi(buffer);
star297 0:4f67859595b2 125 minute++;
star297 0:4f67859595b2 126 if(minute>59) minute=0;
star297 0:4f67859595b2 127 t.tm_sec = 0;
star297 0:4f67859595b2 128 t.tm_min = minute;
star297 0:4f67859595b2 129 t.tm_hour = hour;
star297 0:4f67859595b2 130 t.tm_mday = 28;
star297 0:4f67859595b2 131 t.tm_mon = 1;
star297 0:4f67859595b2 132 t.tm_year = 114;
star297 0:4f67859595b2 133 set_time (mktime(&t));
star297 0:4f67859595b2 134
star297 0:4f67859595b2 135 }
star297 0:4f67859595b2 136
star297 0:4f67859595b2 137 void sethourIRQ(void)
star297 0:4f67859595b2 138 {
star297 0:4f67859595b2 139 display=15;
star297 0:4f67859595b2 140 time_t seconds = time(NULL);
star297 0:4f67859595b2 141 char buffer[2];
star297 0:4f67859595b2 142 strftime(buffer, 2,"%M", localtime(&seconds));
star297 0:4f67859595b2 143 minute = atoi(buffer);
star297 0:4f67859595b2 144 strftime(buffer, 2,"%H", localtime(&seconds));
star297 0:4f67859595b2 145 hour = atoi(buffer);
star297 0:4f67859595b2 146 hour++;
star297 0:4f67859595b2 147 if(hour>23) hour=0;
star297 0:4f67859595b2 148 t.tm_sec = 0;
star297 0:4f67859595b2 149 t.tm_min = minute;
star297 0:4f67859595b2 150 t.tm_hour = hour;
star297 0:4f67859595b2 151 t.tm_mday = 28;
star297 0:4f67859595b2 152 t.tm_mon = 1;
star297 0:4f67859595b2 153 t.tm_year = 114;
star297 0:4f67859595b2 154 set_time (mktime(&t));
star297 0:4f67859595b2 155
star297 0:4f67859595b2 156 }
star297 0:4f67859595b2 157
star297 0:4f67859595b2 158