Revision 11:0fac71b7ec1d, committed 2012-11-28

Comitter:

SomeRandomBloke

Date:

Wed Nov 28 21:56:55 2012 +0000

Parent:

10:af973a9c48b2

Child:

12:e621d8c89cc3

Commit message:

Fixes to shadow ram size

Changed in this revision

--- a/HT1632_LedMatrix.cpp	Wed Nov 28 16:46:44 2012 +0000
+++ b/HT1632_LedMatrix.cpp	Wed Nov 28 21:56:55 2012 +0000
@@ -1,5 +1,5 @@
 /** Library for Holtek HT1632 LED driver chip,
- * As implemented on the Sure Electronics DE-DP10X display board
+ * As implemented on the Sure Electronics DE-DP10X and DE-DP13X1X display boards
  * 8 x 32 dot matrix LED module.)
  *
  * Original code by:
@@ -87,7 +87,7 @@
  * know which bits are on without having to (slowly) read the device.
  */
 // 4 boards at 32 bytes per board + 1 byte means we don't need to check overwrite in putChar
-uint8_t shadowram[129];  // our copy of the display's RAM
+uint8_t shadowram[256];  // our copy of the display's RAM
 
 
 // Custom character buffers - 8 characters available
@@ -114,7 +114,7 @@
 void HT1632_LedMatrix::init( uint8_t xDevices, uint8_t yDevices, uint8_t displayType )
 {
     // Set up the display size based on number of devices both horizontal and vertical
-    
+
     numXDevices = xDevices;
     numYDevices = yDevices;
     numDevices = numXDevices * numYDevices;
@@ -125,7 +125,7 @@
     } else {
         displayWidth = 32;
         displayHeight = 8;
-    }    
+    }
     xMax = displayWidth * numXDevices-1;
     yMax = displayHeight * numYDevices-1;
 
@@ -136,15 +136,15 @@
     for (uint8_t chipno=0; chipno<4; chipno++) {
         chipfree(chipno);     // unselect it
 
-        sendcmd(chipno, HT1632_CMD_SYSON);    // System on 
-        sendcmd(chipno, HT1632_CMD_LEDON);    // LEDs on 
-        sendcmd(chipno, HT1632_CMD_BLOFF);    // Blink Off 
-        sendcmd(chipno, HT1632_CMD_MSTMD);    // Master Mode 
+        sendcmd(chipno, HT1632_CMD_SYSON);    // System on
+        sendcmd(chipno, HT1632_CMD_LEDON);    // LEDs on
+        sendcmd(chipno, HT1632_CMD_BLOFF);    // Blink Off
+        sendcmd(chipno, HT1632_CMD_MSTMD);    // Master Mode
         sendcmd(chipno, HT1632_CMD_RCCLK);    // Internal Oscillator
         if( displayType == HT1632_16x24 ) {
 // TODO - check
             sendcmd(chipno, HT1632_CMD_COMS10);  // 16*24, NMOS drivers
-        } else {    
+        } else {
             sendcmd(chipno, HT1632_CMD_COMS00);  // 08*32, NMOS drivers
         }
         sendcmd(chipno, HT1632_CMD_PWM | 0x0c);   // PWM Duty
@@ -481,21 +481,13 @@
 
 void HT1632_LedMatrix::scrollLeft(uint8_t numberCols, uint8_t lineNum )
 {
-
     for (int i=0; i<xMax-numberCols; i++) {
         shadowram[i]=shadowram[i+numberCols];
     }
     for (int i=xMax-numberCols; i<xMax; i++) {
         shadowram[i]=0;
     }
-    /*
-        for (int i=0; i<128-numberCols-1; i++) {
-            shadowram[i]=shadowram[i+numberCols];
-        }
-        for (int i=128-numberCols; i<128; i++) {
-            shadowram[i]=0;
-        }
-    */
+
     cursorX -= numberCols;
     if (cursorX < 0 ) cursorX = 0;
 }

--- a/HT1632_LedMatrix.h	Wed Nov 28 16:46:44 2012 +0000
+++ b/HT1632_LedMatrix.h	Wed Nov 28 21:56:55 2012 +0000
@@ -1,5 +1,5 @@
 /** Library for Holtek HT1632 LED driver chip,
- * As implemented on the Sure Electronics DE-DP10X display board
+ * As implemented on the Sure Electronics DE-DP10X or and DE-DP13X1X display board
  * 8 x 32 dot matrix LED module.)
  *
  * Original code by: