Added CS pin parameter to the constructor and changed the SD card flu…

…sh interval to 512 bytes since the buffer for the SD library is 512 bytes
infomaniac50 · Mar 12, 2012 · 2f8f2fd · 2f8f2fd
1 parent 53a20b0
commit 2f8f2fd
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Showing 2 changed files with 14 additions and 15 deletions.
diff --git a/Logger.cpp b/Logger.cpp
@@ -7,11 +7,9 @@
 #include "Logger.h"
 #include <LoggerSD.h>
 
-#define CS 4
-
-
-Logger::Logger(log_outputs output, data_formats format, boolean add_line_break)
+Logger::Logger(log_outputs output, data_formats format, boolean add_line_break, uint chip_select)
 {
+  _chip_select = chip_select;
   _output = output;
   _format = format;
   _add_line_break = add_line_break;
@@ -44,7 +42,7 @@ int Logger::initSD()
   pinMode(10, OUTPUT);
 #endif
 
-  if (!SD.begin(CS)) {
+  if (!SD.begin(_chip_select)) {
     return 1;
   }
 
@@ -160,19 +158,19 @@ void Logger::logData(byte data)
 
   checkAddLineBreak();
 
-  if (_output == SERIAL_OUTPUT)
-  {
-    Serial.flush();
-  }
-
-  if (_output == SD_OUTPUT)
+  sync_counter++;
+  if (sync_counter >= 512)
   {
-    sync_counter++;
-    if (sync_counter >= 2048)
+    if (_output == SD_OUTPUT)
     {
-      _file.flush();
-      sync_counter = 0;
+      _file.flush();      
     }
+
+    if (_output == SERIAL_OUTPUT)
+    {
+      Serial.flush();
+    }    
+    sync_counter = 0;
   }
 }
 

diff --git a/Logger.h b/Logger.h
@@ -48,5 +48,6 @@ class Logger
     log_outputs _output;
     data_formats _format;
     boolean _add_line_break;
+    uint _chip_select;
 };
 #endif