Revision 7:3010f24e0a81, committed 2014-05-19

Comitter:

eencae

Date:

Mon May 19 18:23:21 2014 +0000

Parent:

6:adb79338d40f

Child:

8:40abe5736eca

Commit message:

Modified refresh() function so that the address is reset to (0,0) before sending the entire screen buffer to the display. Ensures the origin of the buffer coincides with the top-left pixel. This may not be the case after printing strings.

Changed in this revision

--- a/N5110.cpp	Mon Jan 27 18:41:45 2014 +0000
+++ b/N5110.cpp	Mon May 19 18:23:21 2014 +0000
@@ -176,10 +176,10 @@
     buffer[x][y/8] &= ~(1 << y%8);
 }
 
-unsigned char N5110::getPixel(int x, int y)
+int N5110::getPixel(int x, int y)
 {
     // return relevant bank and mask required bit
-    return buffer[x][y/8] & (1 << y%8);
+    return (int) buffer[x][y/8] & (1 << y%8);
 
 }
 
@@ -187,6 +187,11 @@
 void N5110::refresh()
 {
     int i,j;
+    
+    setXYAddress(0,0);  // important to set address back to 0,0 before refreshing display
+    // address auto increments after printing string, so buffer[0][0] will not coincide
+    // with top-left pixel after priting string
+    
     sce->write(0);  //set CE low to begin frame
 
     for(j = 0; j < 6; j++) {  // be careful to use correct order (j,i) for horizontal addressing
@@ -233,7 +238,7 @@
     while(*str) {
 
         setXYAddress(x+6*n,y);  // leave 1 pixel (6 = 5 + 1) between each character
-        printChar(*str);   // print the char - can probably so *str++ and remove next line
+        printChar(*str);   // print the char - can probably do *str++ and remove next line
         str++;  // go to next character in string
         n++;    // increment index
     }

--- a/N5110.h	Mon Jan 27 18:41:45 2014 +0000
+++ b/N5110.h	Mon May 19 18:23:21 2014 +0000
@@ -177,7 +177,7 @@
     *       0           - pixel is clear
     *       non-zero    - pixel is set
     */
-    unsigned char getPixel(int x, int y);
+    int getPixel(int x, int y);
     
     /** Refresh display
     *