Andrew Bell
/
lab3
Important changes to repositories hosted on mbed.com
Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.
To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.
It is also possible to export all your personal repositories from the account settings page.
Revision 0:332a7dedda99, committed 2021-02-10
- Comitter:
- andrewbw01
- Date:
- Wed Feb 10 15:32:38 2021 +0000
- Commit message:
- not finished yet
Changed in this revision
| main.cpp | Show annotated file Show diff for this revision Revisions of this file |
| mbed.bld | Show annotated file Show diff for this revision Revisions of this file |
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Wed Feb 10 15:32:38 2021 +0000
@@ -0,0 +1,52 @@
+#include "mbed.h"
+
+BusOut LED_Disp(p7,p11,p9,p8,p5,p6,p10,p12);
+
+DigitalOut test(LED1);
+
+DigitalOut col1 (p26); // pin 4 on keypad
+DigitalOut col2 (p28); // pin 2
+DigitalOut col3 (p24); // pin 6
+
+DigitalIn row1 (p27); // pin 3
+DigitalIn row2 (p22); // pin 8
+DigitalIn row3 (p23); // pin 7
+DigitalIn row4 (p25); // pin 5
+
+char keypad(void)
+{
+ col1 = 1; //test keys presson on col1
+ col2 = 0;
+ col3 = 0;
+
+ if (row1==1)
+ {
+ while(row1==1){}
+
+ col1 = 0; // pull all back to 0
+ col2 = 0;
+ col3 = 0;
+ return('1'); // return char 1
+ }
+ else if (row2==1) // row2 = 1
+ {
+ while (row2==1){}
+
+ col1 = 0;
+ col2 = 0;
+ col3 = 0;
+ return('4'); // return 4
+ }
+ else if (row3==1) // row3 = 1
+ {
+ while (row3==1){}
+
+ col1 = 0;
+ col2 = 0;
+ col3 = 0;
+ return('7');
+ }
+
+
+
+
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Wed Feb 10 15:32:38 2021 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/mbed_official/code/mbed/builds/65be27845400 \ No newline at end of file