From 1d62e07da40ba9225dfe4f7e93129d4d7da03ccb Mon Sep 17 00:00:00 2001
From: Stanley Huang <stanleyhuangyc@gmail.com>
Date: Sat, 20 Apr 2013 17:19:39 +0800
Subject: update MultiLCD library

---
 libraries/MultiLCD/MultiLCD.cpp | 15 +++++++++++++--
 libraries/MultiLCD/MultiLCD.h   |  2 +-
 2 files changed, 14 insertions(+), 3 deletions(-)

(limited to 'libraries/MultiLCD')

diff --git a/libraries/MultiLCD/MultiLCD.cpp b/libraries/MultiLCD/MultiLCD.cpp
index 22112d1..cff82c2 100644
--- a/libraries/MultiLCD/MultiLCD.cpp
+++ b/libraries/MultiLCD/MultiLCD.cpp
@@ -118,12 +118,19 @@ void LCD_OLED::write(char c)
 {
     char s[2] = {c};
     ScI2cMxDisplay8x16Str(OLED_ADDRESS, m_line, m_column, s);
-    m_column = (m_column + 8) & 0x7f;
+    m_column += 8;
+    if (m_column >= 128) {
+        m_column = 0;
+        m_line += 2;
+    }
 }
 
 void LCD_OLED::print(const char* s)
 {
     ScI2cMxDisplay8x16Str(OLED_ADDRESS, m_line, m_column, s);
+    m_column += (strlen(s) << 3);
+    m_line += (m_column >> 7) << 1;
+    m_column %= 0x7f;
 }
 
 void LCD_OLED::printLarge(const char* s)
@@ -137,7 +144,11 @@ void LCD_OLED::printLarge(const char* s)
         } else {
             ScI2cMxFillArea(OLED_ADDRESS, m_line, m_line + 1, m_column, m_column + 16, 0);
         }
-        m_column = (m_column + 16) & 0x7f;
+        m_column += 16;
+        if (m_column >= 128) {
+            m_column = 0;
+            m_line += 2;
+        }
         s++;
     }
 }
diff --git a/libraries/MultiLCD/MultiLCD.h b/libraries/MultiLCD/MultiLCD.h
index 2a10356..35016aa 100644
--- a/libraries/MultiLCD/MultiLCD.h
+++ b/libraries/MultiLCD/MultiLCD.h
@@ -22,7 +22,7 @@ public:
     void setCursor(unsigned char column, unsigned char line)
     {
         m_column = column << 3;
-        m_line = line << 1;
+        m_line = line == -1 ? m_line + 2 : (line << 1);
     }
     void write(char c);
     void print(const char* s);
-- 
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