Revision 4:49b29888eca7, committed 2014-07-30

Comitter:

neilt6

Date:

Wed Jul 30 17:51:33 2014 +0000

Parent:

3:7cf3d1835ef5

Child:

5:6befff2300d0

Commit message:

Added 0x40 to command definitions for (slightly) improved performance

Changed in this revision

--- a/SDFileSystem.cpp	Wed Jul 30 17:45:02 2014 +0000
+++ b/SDFileSystem.cpp	Wed Jul 30 17:51:33 2014 +0000
@@ -411,7 +411,7 @@
 
         //Prepare the command packet
         char cmdPacket[6];
-        cmdPacket[0] = 0x40 | cmd;
+        cmdPacket[0] = cmd;
         cmdPacket[1] = arg >> 24;
         cmdPacket[2] = arg >> 16;
         cmdPacket[3] = arg >> 8;

--- a/SDFileSystem.h	Wed Jul 30 17:45:02 2014 +0000
+++ b/SDFileSystem.h	Wed Jul 30 17:51:33 2014 +0000
@@ -110,17 +110,17 @@
 private:
     //Commands
     enum Command {
-        CMD0 = 0,       /**< GO_IDLE_STATE */
-        CMD1 = 1,       /**< SEND_OP_COND */
-        ACMD41 = 41,    /**< APP_SEND_OP_COND */
-        CMD8 = 8,       /**< SEND_IF_COND */
-        CMD9 = 9,       /**< SEND_CSD */
-        CMD16 = 16,     /**< SET_BLOCKLEN */
-        CMD17 = 17,     /**< READ_SINGLE_BLOCK */
-        CMD24 = 24,     /**< WRITE_BLOCK */
-        CMD55 = 55,     /**< APP_CMD */
-        CMD58 = 58,     /**< READ_OCR */
-        CMD59 = 59      /**< CRC_ON_OFF */
+        CMD0 = (0x40 | 0),      /**< GO_IDLE_STATE */
+        CMD1 = (0x40 | 1),      /**< SEND_OP_COND */
+        ACMD41 = (0x40 | 41),   /**< APP_SEND_OP_COND */
+        CMD8 = (0x40 | 8),      /**< SEND_IF_COND */
+        CMD9 = (0x40 | 9),      /**< SEND_CSD */
+        CMD16 = (0x40 | 16),    /**< SET_BLOCKLEN */
+        CMD17 = (0x40 | 17),    /**< READ_SINGLE_BLOCK */
+        CMD24 = (0x40 | 24),    /**< WRITE_BLOCK */
+        CMD55 = (0x40 | 55),    /**< APP_CMD */
+        CMD58 = (0x40 | 58),    /**< READ_OCR */
+        CMD59 = (0x40 | 59)     /**< CRC_ON_OFF */
     };
 
     //Member variables