update MicroLCD library

2 files changed, 61 insertions, 67 deletions

diff --git a/gpslogger/MicroLCD.cpp b/gpslogger/MicroLCD.cpp
index d632506..19a45fa 100644
--- a/gpslogger/MicroLCD.cpp
+++ b/gpslogger/MicroLCD.cpp
@@ -406,18 +406,17 @@ void LCD_SSD1306::writeDigit(byte n)
         }
         Wire.endTransmission();
         m_col += 6;
-    } else if (m_font == FONT_SIZE_MEDIUM) {
-#ifndef MEMORY_SAVING
+    } else if (m_font == FONT_SIZE_XLARGE) {
         if (n <= 9) {
-            n += '0' - 0x21;
+            byte i;
             ssd1306_command(0xB0 + m_row);//set page address
             ssd1306_command(m_col & 0xf);//set lower column address
             ssd1306_command(0x10 | (m_col >> 4));//set higher column address
 
             Wire.beginTransmission(_i2caddr);
             Wire.write(0x40);
-            for (byte i = 0; i <= 14; i += 2) {
-                byte d = pgm_read_byte_near(&font8x16_terminal[n][i]);
+            for (i = 0; i < 16; i ++) {
+                byte d = pgm_read_byte_near(&digits16x24[n][i * 3]);
                 Wire.write(d);
                 if (m_flags & FLAG_PIXEL_DOUBLE_H) Wire.write(d);
             }
@@ -429,8 +428,21 @@ void LCD_SSD1306::writeDigit(byte n)
 
             Wire.beginTransmission(_i2caddr);
             Wire.write(0x40);
-            for (byte i = 1; i <= 15; i += 2) {
-                byte d = pgm_read_byte_near(&font8x16_terminal[n][i]);
+            for (i = 0; i < 16; i ++) {
+                byte d = pgm_read_byte_near(&digits16x24[n][i * 3 + 1]);
+                Wire.write(d);
+                if (m_flags & FLAG_PIXEL_DOUBLE_H) Wire.write(d);
+            }
+            Wire.endTransmission();
+
+            ssd1306_command(0xB0 + m_row + 2);//set page address
+            ssd1306_command(m_col & 0xf);//set lower column address
+            ssd1306_command(0x10 | (m_col >> 4));//set higher column address
+
+            Wire.beginTransmission(_i2caddr);
+            Wire.write(0x40);
+            for (i = 0; i < 16; i ++) {
+                byte d = pgm_read_byte_near(&digits16x24[n][i * 3 + 2]);
                 Wire.write(d);
                 if (m_flags & FLAG_PIXEL_DOUBLE_H) Wire.write(d);
             }
@@ -442,7 +454,7 @@ void LCD_SSD1306::writeDigit(byte n)
 
             Wire.beginTransmission(_i2caddr);
             Wire.write(0x40);
-            for (byte i = (m_flags & FLAG_PIXEL_DOUBLE_H) ? 16 : 8; i > 0; i--) {
+            for (byte i = (m_flags & FLAG_PIXEL_DOUBLE_H) ? 32 : 16; i > 0; i--) {
                 Wire.write(0);
             }
             Wire.endTransmission();
@@ -453,38 +465,35 @@ void LCD_SSD1306::writeDigit(byte n)
 
             Wire.beginTransmission(_i2caddr);
             Wire.write(0x40);
-            for (byte i = (m_flags & FLAG_PIXEL_DOUBLE_H) ? 16 : 8; i > 0; i--) {
+            for (byte i = (m_flags & FLAG_PIXEL_DOUBLE_H) ? 32 : 16; i > 0; i--) {
                 Wire.write(0);
             }
             Wire.endTransmission();
-        }
-        m_col += (m_flags & FLAG_PIXEL_DOUBLE_H) ? 17 : 9;
-#else
-        Wire.beginTransmission(_i2caddr);
-        Wire.write(0x40);
-        if (n <= 9) {
-            for (byte i = 0; i < 8; i++) {
-                Wire.write(pgm_read_byte_near(&digits8x8[n][i]));
-            }
-        } else {
-            for (byte i = 0; i < 8; i++) {
+
+            ssd1306_command(0xB0 + m_row + 2);//set page address
+            ssd1306_command(m_col & 0xf);//set lower column address
+            ssd1306_command(0x10 | (m_col >> 4));//set higher column address
+
+            Wire.beginTransmission(_i2caddr);
+            Wire.write(0x40);
+            for (byte i = (m_flags & FLAG_PIXEL_DOUBLE_H) ? 32 : 16; i > 0; i--) {
                 Wire.write(0);
             }
+            Wire.endTransmission();
         }
-        Wire.endTransmission();
-        m_col += 8;
-#endif
-    } else if (m_font == FONT_SIZE_LARGE) {
+        m_col += (m_flags & FLAG_PIXEL_DOUBLE_H) ? 30 : 16;
+#ifndef MEMORY_SAVING
+    } else if (m_font == FONT_SIZE_MEDIUM) {
         if (n <= 9) {
-            byte i;
+            n += '0' - 0x21;
             ssd1306_command(0xB0 + m_row);//set page address
             ssd1306_command(m_col & 0xf);//set lower column address
             ssd1306_command(0x10 | (m_col >> 4));//set higher column address
 
             Wire.beginTransmission(_i2caddr);
             Wire.write(0x40);
-            for (i = 0; i < 16; i ++) {
-                byte d = pgm_read_byte_near(&digits16x16[n][i]);
+            for (byte i = 0; i <= 14; i += 2) {
+                byte d = pgm_read_byte_near(&font8x16_terminal[n][i]);
                 Wire.write(d);
                 if (m_flags & FLAG_PIXEL_DOUBLE_H) Wire.write(d);
             }
@@ -496,8 +505,8 @@ void LCD_SSD1306::writeDigit(byte n)
 
             Wire.beginTransmission(_i2caddr);
             Wire.write(0x40);
-            for (; i < 32; i ++) {
-                byte d = pgm_read_byte_near(&digits16x16[n][i]);
+            for (byte i = 1; i <= 15; i += 2) {
+                byte d = pgm_read_byte_near(&font8x16_terminal[n][i]);
                 Wire.write(d);
                 if (m_flags & FLAG_PIXEL_DOUBLE_H) Wire.write(d);
             }
@@ -509,7 +518,7 @@ void LCD_SSD1306::writeDigit(byte n)
 
             Wire.beginTransmission(_i2caddr);
             Wire.write(0x40);
-            for (byte i = (m_flags & FLAG_PIXEL_DOUBLE_H) ? 32 : 16; i > 0; i--) {
+            for (byte i = (m_flags & FLAG_PIXEL_DOUBLE_H) ? 16 : 8; i > 0; i--) {
                 Wire.write(0);
             }
             Wire.endTransmission();
@@ -520,13 +529,13 @@ void LCD_SSD1306::writeDigit(byte n)
 
             Wire.beginTransmission(_i2caddr);
             Wire.write(0x40);
-            for (byte i = (m_flags & FLAG_PIXEL_DOUBLE_H) ? 32 : 16; i > 0; i--) {
+            for (byte i = (m_flags & FLAG_PIXEL_DOUBLE_H) ? 16 : 8; i > 0; i--) {
                 Wire.write(0);
             }
             Wire.endTransmission();
         }
-        m_col += (m_flags & FLAG_PIXEL_DOUBLE_H) ? 30 : 16;
-    } else if (m_font == FONT_SIZE_XLARGE) {
+        m_col += (m_flags & FLAG_PIXEL_DOUBLE_H) ? 17 : 9;
+    } else {
         if (n <= 9) {
             byte i;
             ssd1306_command(0xB0 + m_row);//set page address
@@ -536,7 +545,7 @@ void LCD_SSD1306::writeDigit(byte n)
             Wire.beginTransmission(_i2caddr);
             Wire.write(0x40);
             for (i = 0; i < 16; i ++) {
-                byte d = pgm_read_byte_near(&digits16x24[n][i * 3]);
+                byte d = pgm_read_byte_near(&digits16x16[n][i]);
                 Wire.write(d);
                 if (m_flags & FLAG_PIXEL_DOUBLE_H) Wire.write(d);
             }
@@ -548,21 +557,8 @@ void LCD_SSD1306::writeDigit(byte n)
 
             Wire.beginTransmission(_i2caddr);
             Wire.write(0x40);
-            for (i = 0; i < 16; i ++) {
-                byte d = pgm_read_byte_near(&digits16x24[n][i * 3 + 1]);
-                Wire.write(d);
-                if (m_flags & FLAG_PIXEL_DOUBLE_H) Wire.write(d);
-            }
-            Wire.endTransmission();
-
-            ssd1306_command(0xB0 + m_row + 2);//set page address
-            ssd1306_command(m_col & 0xf);//set lower column address
-            ssd1306_command(0x10 | (m_col >> 4));//set higher column address
-
-            Wire.beginTransmission(_i2caddr);
-            Wire.write(0x40);
-            for (i = 0; i < 16; i ++) {
-                byte d = pgm_read_byte_near(&digits16x24[n][i * 3 + 2]);
+            for (; i < 32; i ++) {
+                byte d = pgm_read_byte_near(&digits16x16[n][i]);
                 Wire.write(d);
                 if (m_flags & FLAG_PIXEL_DOUBLE_H) Wire.write(d);
             }
@@ -589,19 +585,24 @@ void LCD_SSD1306::writeDigit(byte n)
                 Wire.write(0);
             }
             Wire.endTransmission();
-
-            ssd1306_command(0xB0 + m_row + 2);//set page address
-            ssd1306_command(m_col & 0xf);//set lower column address
-            ssd1306_command(0x10 | (m_col >> 4));//set higher column address
-
-            Wire.beginTransmission(_i2caddr);
-            Wire.write(0x40);
-            for (byte i = (m_flags & FLAG_PIXEL_DOUBLE_H) ? 32 : 16; i > 0; i--) {
+        }
+        m_col += (m_flags & FLAG_PIXEL_DOUBLE_H) ? 30 : 16;
+#else
+    } else {
+        Wire.beginTransmission(_i2caddr);
+        Wire.write(0x40);
+        if (n <= 9) {
+            for (byte i = 0; i < 8; i++) {
+                Wire.write(pgm_read_byte_near(&digits8x8[n][i]));
+            }
+        } else {
+            for (byte i = 0; i < 8; i++) {
                 Wire.write(0);
             }
-            Wire.endTransmission();
         }
-        m_col += (m_flags & FLAG_PIXEL_DOUBLE_H) ? 30 : 16;
+        Wire.endTransmission();
+        m_col += 8;
+#endif
     }
     TWBR = twbrbackup;
 }
diff --git a/gpslogger/MicroLCD.h b/gpslogger/MicroLCD.h
index 6b01495..a22a2ce 100644
--- a/gpslogger/MicroLCD.h
+++ b/gpslogger/MicroLCD.h
@@ -6,7 +6,7 @@
 *************************************************************************/
 
 #if !defined(__AVR_ATmega2560__) && !defined(__AVR_ATmega1280__) && !defined(__AVR_ATmega644P__)
-//#define MEMORY_SAVING
+#define MEMORY_SAVING
 #endif
 
 typedef enum {
@@ -21,13 +21,6 @@ typedef enum {
 #define FLAG_PIXEL_DOUBLE_V 4
 #define FLAG_PIXEL_DOUBLE (FLAG_PIXEL_DOUBLE_H | FLAG_PIXEL_DOUBLE_V)
 
-extern const PROGMEM unsigned char font5x8[][5];
-extern const PROGMEM unsigned char digits8x8[][8] ;
-extern const PROGMEM unsigned char digits16x16[][32];
-extern const PROGMEM unsigned char digits16x24[][48];
-extern const PROGMEM unsigned char font8x16_doslike[][16];
-extern const PROGMEM unsigned char font8x16_terminal[][16];
-
 class LCD_Common
 {
 public: