From 02aa4afc0152ba9f72962f373c75223a3a485c58 Mon Sep 17 00:00:00 2001
From: Mithat Konar <mkonar.dogus+git@gmail.com>
Date: Fri, 6 Mar 2015 21:10:56 -0600
Subject: [PATCH] =?UTF-8?q?const'ed=20PROGMEM=20stuff=20to=20resolve=20"[v?=
 =?UTF-8?q?ariable]=20must=20be=20const=20in=20order=20to=20be=20put=20int?=
 =?UTF-8?q?o=20read-only=20section=20by=20means=20of=20=E2=80=98=5F=5Fattr?=
 =?UTF-8?q?ibute=5F=5F((progmem))=E2=80=99"=20in=20Arduino=201.6.0.?=
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Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 BigCrystal.cpp |  4 ++--
 BigCrystal.h   |  2 +-
 BigFont.c      | 16 ++++++++--------
 BigFont.h      | 16 ++++++++--------
 4 files changed, 19 insertions(+), 19 deletions(-)

diff --git a/BigCrystal.cpp b/BigCrystal.cpp
index 9368e58..05271c7 100644
--- a/BigCrystal.cpp
+++ b/BigCrystal.cpp
@@ -52,7 +52,7 @@ uint8_t BigCrystal::writeBig(char c, uint8_t col, uint8_t row) {
   uint8_t index;
   getTableCodeAndIndex(ch, tableCode, index);
 
-  uint8_t* table = getTable(tableCode);
+  const uint8_t* table = getTable(tableCode);
   if (table == NULL) {
     return 0;
   }
@@ -95,7 +95,7 @@ void BigCrystal::getTableCodeAndIndex(char c, uint8_t& tableCode, uint8_t& index
   index = (uint8_t) (tableAndIndex & 0x1F);
 }
 
-uint8_t* BigCrystal::getTable(uint8_t tableCode) {
+const uint8_t* BigCrystal::getTable(uint8_t tableCode) {
   switch (tableCode) {
     case BF_WIDTH1_TABLE:
       return BF_width1;
diff --git a/BigCrystal.h b/BigCrystal.h
index 8c0d543..d6b3c8e 100644
--- a/BigCrystal.h
+++ b/BigCrystal.h
@@ -99,7 +99,7 @@ class BigCrystal : public Print {
 private:
   void createCustomChars();
   uint8_t getWidthFromTableCode(uint8_t tableCode);
-  uint8_t* getTable(uint8_t tableCode);
+  const uint8_t* getTable(uint8_t tableCode);
   void getTableCodeAndIndex(char c, uint8_t &tableCode, uint8_t &index);
   void clearColumn(uint8_t row, uint8_t col);
   char toUpperCase(char c);
diff --git a/BigFont.c b/BigFont.c
index d7d37f3..07cfa8e 100644
--- a/BigFont.c
+++ b/BigFont.c
@@ -24,7 +24,7 @@
 //*	LMB= lower middle bars(lower middle section of the '8')
 
 
-uint8_t	BF_fontShapes[] PROGMEM	=	{
+const uint8_t	BF_fontShapes[] PROGMEM	=	{
 //*	LT[8] =
   B00111,
   B01111,
@@ -103,7 +103,7 @@ uint8_t	BF_fontShapes[] PROGMEM	=	{
  * array for the character width that the data starts. 3 bits for
  * width and 5 bits for the index. index 0 of this table is for
  * ASCII 0x20 (space) */
-uint8_t BF_characters[] PROGMEM = {
+const uint8_t BF_characters[] PROGMEM = {
   (BF_WIDTH1_TABLE << 5) | 0,         // 0x20 (space)
   (BF_WIDTH1_TABLE << 5) | 1,         // 0x21 !
   (BF_WIDTH3_SYMBOLS_TABLE << 5) | 0, // 0x22 "
@@ -165,7 +165,7 @@ uint8_t BF_characters[] PROGMEM = {
   (BF_WIDTH3_TABLE << 5) | 29         // 0x5A Z
 };
 
-uint8_t BF_width1[] PROGMEM = {
+const uint8_t BF_width1[] PROGMEM = {
   0x20, 0x20, // 0x20 space
   0x00, 0x04, // 0x21 !
   0x05, 0x20, // 0x27 '
@@ -177,12 +177,12 @@ uint8_t BF_width1[] PROGMEM = {
   0x01, 0x05  // 0x3B ;
 };
 
-uint8_t BF_width2[] PROGMEM = {
+const uint8_t BF_width2[] PROGMEM = {
   0x04, 0x04, 0x20, 0x20, // 0x2D -
   0x04, 0x04, 0x07, 0x07  // 0x3D =
 };
 
-uint8_t BF_width3[] PROGMEM = {
+const uint8_t BF_width3[] PROGMEM = {
   0x00, 0x01, 0x02, 0x03, 0x04, 0x05, // 0x30 0, 0x4F O
   0x01, 0x02, 0x20, 0x04, 0xFF, 0x04, // 0x31 1
   0x06, 0x06, 0x02, 0x03, 0x04, 0x04, // 0x32 2
@@ -215,19 +215,19 @@ uint8_t BF_width3[] PROGMEM = {
   0x01, 0x06, 0x05, 0x00, 0x07, 0x04  // 0x5A Z
 };
 
-uint8_t BF_width3Symbols[] PROGMEM = {
+const uint8_t BF_width3Symbols[] PROGMEM = {
   0x05, 0x20, 0x05, 0x20, 0x20, 0x20, // 0x22 "
   0x04, 0xFF, 0x04, 0x01, 0xFF, 0x01, // 0x2B +
   0x01, 0x06, 0x02, 0x20, 0x07, 0x20  // 0x3F ?
 };
 
-uint8_t BF_width4[] PROGMEM = {
+const uint8_t BF_width4[] PROGMEM = {
   0x00, 0x03, 0x20, 0x02, 0x03, 0x20, 0x02, 0x05, // 0x4E N
   0x00, 0x01, 0x02, 0x20, 0x03, 0x04, 0x03, 0x04, // 0x51 Q
   0x03, 0x20, 0x20, 0x05, 0x20, 0x03, 0x05, 0x20  // 0x56 V
 };
 
-uint8_t BF_width5[] PROGMEM = {
+const uint8_t BF_width5[] PROGMEM = {
   0x00, 0x01, 0x03, 0x01, 0x02, 0x03, 0x20, 0x20, 0x20, 0x05, // 0x4D M
   0x00, 0x20, 0x20, 0x20, 0x02, 0x03, 0x04, 0x00, 0x04, 0x05  // 0x57 W
 };
diff --git a/BigFont.h b/BigFont.h
index 98f2452..f961f5c 100644
--- a/BigFont.h
+++ b/BigFont.h
@@ -23,13 +23,13 @@
 #define BF_WIDTH5_TABLE 0x05
 #define BF_WIDTH3_SYMBOLS_TABLE 0x06
 
-extern uint8_t BF_fontShapes[64] PROGMEM;
-extern uint8_t BF_characters[59] PROGMEM;
-extern uint8_t BF_width1[18] PROGMEM;
-extern uint8_t BF_width2[8] PROGMEM;
-extern uint8_t BF_width3[180] PROGMEM;
-extern uint8_t BF_width3Symbols[18] PROGMEM;
-extern uint8_t BF_width4[24] PROGMEM;
-extern uint8_t BF_width5[20] PROGMEM;
+const extern uint8_t BF_fontShapes[64] PROGMEM;
+const extern uint8_t BF_characters[59] PROGMEM;
+const extern uint8_t BF_width1[18] PROGMEM;
+const extern uint8_t BF_width2[8] PROGMEM;
+const extern uint8_t BF_width3[180] PROGMEM;
+const extern uint8_t BF_width3Symbols[18] PROGMEM;
+const extern uint8_t BF_width4[24] PROGMEM;
+const extern uint8_t BF_width5[20] PROGMEM;
 
 #endif