David Ross
/
Segment_Checker
older library
Revision 0:7116ad539a0c, committed 2020-09-26
- Comitter:
- DavidElmoRoss
- Date:
- Sat Sep 26 20:53:53 2020 +0000
- Commit message:
- older library;
Changed in this revision
mbed.bld | Show annotated file Show diff for this revision Revisions of this file |
seg_checker.cpp | Show annotated file Show diff for this revision Revisions of this file |
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Sat Sep 26 20:53:53 2020 +0000 @@ -0,0 +1,1 @@ +https://mbed.org/users/mbed_official/code/mbed/builds/a330f0fddbec \ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/seg_checker.cpp Sat Sep 26 20:53:53 2020 +0000 @@ -0,0 +1,40 @@ +/* +Title: 7 Segment Checker +Author: David Ross +Date: May 27th, 2016 +Description: This program will individually light up segments + a, b, c, ... , h (dot) continually with a 0.5 second + delay between each segment displayed +*/ + +#include "mbed.h" + +// Declaration Section for seven_segs + +BusOut seven_segs (D2, D3, D4, D6, D7, D9, D10, D11); // MSB=D11, LSB=D2 +int main(void) +{ + + unsigned char value=0x80; // set value for CC Display + unsigned char temp; // temp value for troubleshooting + for(;;) // loop forever + { + temp= ~value; // invert value for CA display + seven_segs= temp ; // send value to 7 segments + wait_ms(500); // wait 0.5 seconds + value=value >> 1; // shift to select next segment + if(value < 1) // if value is 0 + { + value=1; // then reset to 1 + do // reverses pattern + { + temp= ~value; // invert for CA display + seven_segs= temp; // send value to 7 sements + wait_ms(500); // wait 0.5 seconds + value = value <<1; // shift to select next segment + }while (value<0x80); // as long as < 0x80 + value=0x80; // then reset value to 0x80 + } + + } +} \ No newline at end of file