From 461dad6e05d51a2582f4e6f2d0b13f959a2b18ba Mon Sep 17 00:00:00 2001
From: Erik van der Zalm <erik@vdzalm.eu>
Date: Sun, 14 Jul 2013 22:39:59 +0200
Subject: [PATCH] Added : M32  - Select file and start SD print (Can be used
 when printing from SD card) Untested

---
 Marlin/Marlin_main.cpp | 14 ++++++++++++++
 Marlin/cardreader.cpp  |  1 -
 README.md              |  1 +
 3 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/Marlin/Marlin_main.cpp b/Marlin/Marlin_main.cpp
index 7053a96ec..eeec47139 100644
--- a/Marlin/Marlin_main.cpp
+++ b/Marlin/Marlin_main.cpp
@@ -84,6 +84,7 @@
 // M29  - Stop SD write
 // M30  - Delete file from SD (M30 filename.g)
 // M31  - Output time since last M109 or SD card start to serial
+// M32  - Select file and start SD print (Can be used when printing from SD card)
 // M42  - Change pin status via gcode Use M42 Px Sy to set pin x to value y, when omitting Px the onboard led will be used.
 // M80  - Turn on Power Supply
 // M81  - Turn off Power Supply
@@ -1061,6 +1062,19 @@ void process_commands()
         card.removeFile(strchr_pointer + 4);
       }
       break;
+    case 32: //M32 - Select file and start SD print
+      if(card.sdprinting) {
+        st_synchronize();
+        card.closefile();
+        card.sdprinting = false;
+      }
+      starpos = (strchr(strchr_pointer + 4,'*'));
+      if(starpos!=NULL)
+        *(starpos-1)='\0';
+      card.openFile(strchr_pointer + 4,true);
+      card.startFileprint();
+      starttime=millis();
+      break
     case 928: //M928 - Start SD write
       starpos = (strchr(strchr_pointer + 5,'*'));
       if(starpos != NULL){
diff --git a/Marlin/cardreader.cpp b/Marlin/cardreader.cpp
index 791c4bbe3..1eeec9193 100644
--- a/Marlin/cardreader.cpp
+++ b/Marlin/cardreader.cpp
@@ -206,7 +206,6 @@ void CardReader::startFileprint()
   if(cardOK)
   {
     sdprinting = true;
-    
   }
 }
 
diff --git a/README.md b/README.md
index 033224865..f5792ea06 100644
--- a/README.md
+++ b/README.md
@@ -159,6 +159,7 @@ M Codes
 *  M29  - Stop SD write
 *  M30  - Delete file from SD (M30 filename.g)
 *  M31  - Output time since last M109 or SD card start to serial
+*  M32  - Select file and start SD print (Can be used when printing from SD card)
 *  M42  - Change pin status via gcode Use M42 Px Sy to set pin x to value y, when omitting Px the onboard led will be used.
 *  M80  - Turn on Power Supply
 *  M81  - Turn off Power Supply