Revision 0:12e8e6371165, committed 2016-06-14

Comitter:

cstevens

Date:

Tue Jun 14 13:33:56 2016 +0000

Commit message:

libvrary to drive an 8x8 led matrix

Changed in this revision

diff -r 000000000000 -r 12e8e6371165 8x8.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/8x8.cpp	Tue Jun 14 13:33:56 2016 +0000
@@ -0,0 +1,37 @@
+#include "8x8.h"
+
+#include "smiles.h"
+
+//define 2 buses for the row and column pins
+BusOut Row(PTC11,PTC10,PTC3,PTB10,PTC0,PTE2,PTE3,PTC5);
+
+BusOut Col(PTC7,PTC6,PTB8,PTC4,PTE5,PTB9,PTE4,PTB11);
+
+// sub to write character to the 8x8 display once - has to be repeated to keep display live
+int write_8x8(int eye,int mth)
+{
+    int rw,i;
+    //write eyes
+    for(i=0; i<4; i++) {
+        rw=0;
+        rw=1<<i;
+        Row=~rw; // this inverts the row code so that only the desired row is low
+        Col=eyes[i+4*eye];
+        wait(0.002);
+
+    }//endfori
+    //write mouth
+    for(i=4; i<8; i++) {
+        rw=0;
+        rw=1<<i;
+        Row=~rw; // this inverts the row code so that only the desired row is low
+        Col=mouth[i-4+4*mth];
+        wait(0.002);
+
+    }//endfori
+
+
+
+
+    return(0);
+}

diff -r 000000000000 -r 12e8e6371165 8x8.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/8x8.h	Tue Jun 14 13:33:56 2016 +0000
@@ -0,0 +1,5 @@
+
+#include "mbed.h"
+
+
+int write_8x8(int eye,int mth); // 8x8 led only has 1 function prototype

diff -r 000000000000 -r 12e8e6371165 smiles.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/smiles.h	Tue Jun 14 13:33:56 2016 +0000
@@ -0,0 +1,26 @@
+//0 happy
+//8 sad
+//16 sleeping
+//24 shouting
+//32 winking
+//40 look left
+// 48 looki right
+// 56 evil
+
+
+int eyes[24]= {
+    0,231,132,0,  //eyes left      0
+    0,231,66,0,   //eyes mid       1
+    0,231,33,0,   //eyes right     2
+    0,165,66,0 ,   //eyes shut      3
+    0,224,71,0,   // wink          4
+    0,129,66,0     //frown          5
+};
+
+int mouth[20]={
+ 0,129,102,24,   // happy           0
+ 0,24,102,129,   //sad              1
+ 0,0,126,0,   //neutral             2
+ 0,192,62,0,   //wry                3
+0,60,66,60    //shout               4
+    };
\ No newline at end of file