6 files changed, 212 insertions, 97 deletions

diff --git a/FPGA/codec_clock/clock_divider.bsf b/FPGA/codec_clock/clock_divider.bsf
deleted file mode 100644
index de8cb37..0000000
--- a/FPGA/codec_clock/clock_divider.bsf
+++ /dev/null
@@ -1,61 +0,0 @@
-/*
-WARNING: Do NOT edit the input and output ports in this file in a text
-editor if you plan to continue editing the block that represents it in
-the Block Editor! File corruption is VERY likely to occur.
-*/
-/*
-Copyright (C) 1991-2013 Altera Corporation
-Your use of Altera Corporation's design tools, logic functions 
-and other software and tools, and its AMPP partner logic 
-functions, and any output files from any of the foregoing 
-(including device programming or simulation files), and any 
-associated documentation or information are expressly subject 
-to the terms and conditions of the Altera Program License 
-Subscription Agreement, Altera MegaCore Function License 
-Agreement, or other applicable license agreement, including, 
-without limitation, that your use is for the sole purpose of 
-programming logic devices manufactured by Altera and sold by 
-Altera or its authorized distributors.  Please refer to the 
-applicable agreement for further details.
-*/
-(header "symbol" (version "1.1"))
-(symbol
-        (rect 16 16 176 96)
-        (text "clock_divider" (rect 5 0 56 12)(font "Arial" ))
-        (text "inst" (rect 8 64 20 76)(font "Arial" ))
-        (port
-                (pt 0 32)
-                (input)
-                (text "clk" (rect 0 0 10 12)(font "Arial" ))
-                (text "clk" (rect 21 27 31 39)(font "Arial" ))
-                (line (pt 0 32)(pt 16 32)(line_width 1))
-        )
-        (port
-                (pt 0 48)
-                (input)
-                (text "resetn" (rect 0 0 24 12)(font "Arial" ))
-                (text "resetn" (rect 21 43 45 55)(font "Arial" ))
-                (line (pt 0 48)(pt 16 48)(line_width 1))
-        )
-        (port
-                (pt 160 32)
-                (output)
-                (text "en_user" (rect 0 0 33 12)(font "Arial" ))
-                (text "en_user" (rect 106 27 139 39)(font "Arial" ))
-                (line (pt 160 32)(pt 144 32)(line_width 1))
-        )
-        (parameter
-                "board_frequency"
-                "50000000.0"
-                ""
-                (type "PARAMETER_SIGNED_FLOAT") )
-        (parameter
-                "user_frequency"
-                "4.0"
-                ""
-                (type "PARAMETER_SIGNED_FLOAT") )
-        (drawing
-                (rectangle (rect 16 16 144 64)(line_width 1))
-        )
-        (annotation_block (parameter)(rect 176 -64 276 16))
-)
diff --git a/FPGA/codec_clock/codec_clock.bdf b/FPGA/codec_clock/codec_clock.bdf
index df9857d..bd608e1 100644
--- a/FPGA/codec_clock/codec_clock.bdf
+++ b/FPGA/codec_clock/codec_clock.bdf
@@ -21,9 +21,9 @@ applicable agreement for further details.
 (header "graphic" (version "1.4"))
 (pin
         (input)
-        (rect 128 104 296 120)
-        (text "INPUT" (rect 125 0 154 10)(font "Arial" (font_size 6)))
-        (text "clk" (rect 5 0 21 11)(font "Arial" ))
+        (rect 64 96 232 112)
+        (text "INPUT" (rect 125 0 153 10)(font "Arial" (font_size 6)))
+        (text "clk" (rect 5 0 19 11)(font "Arial" ))
         (pt 168 8)
         (drawing
                 (line (pt 84 12)(pt 109 12))
@@ -33,14 +33,14 @@ applicable agreement for further details.
                 (line (pt 109 4)(pt 113 8))
                 (line (pt 109 12)(pt 113 8))
         )
-        (text "VCC" (rect 128 7 149 17)(font "Arial" (font_size 6)))
-        (annotation_block (location)(rect 72 120 128 136))
+        (text "VCC" (rect 128 7 148 17)(font "Arial" (font_size 6)))
+        (annotation_block (location)(rect 8 112 64 128))
 )
 (pin
         (input)
-        (rect 128 120 296 136)
-        (text "INPUT" (rect 125 0 154 10)(font "Arial" (font_size 6)))
-        (text "resetn" (rect 5 0 37 11)(font "Arial" ))
+        (rect 64 112 232 128)
+        (text "INPUT" (rect 125 0 153 10)(font "Arial" (font_size 6)))
+        (text "resetn" (rect 5 0 35 11)(font "Arial" ))
         (pt 168 8)
         (drawing
                 (line (pt 84 12)(pt 109 12))
@@ -50,14 +50,14 @@ applicable agreement for further details.
                 (line (pt 109 4)(pt 113 8))
                 (line (pt 109 12)(pt 113 8))
         )
-        (text "VCC" (rect 128 7 149 17)(font "Arial" (font_size 6)))
-        (annotation_block (location)(rect 64 136 128 152))
+        (text "VCC" (rect 128 7 148 17)(font "Arial" (font_size 6)))
+        (annotation_block (location)(rect 0 128 64 144))
 )
 (pin
         (output)
-        (rect 456 104 632 120)
-        (text "OUTPUT" (rect 1 0 41 10)(font "Arial" (font_size 6)))
-        (text "xti_mclk" (rect 90 0 131 11)(font "Arial" ))
+        (rect 512 96 688 112)
+        (text "OUTPUT" (rect 1 0 39 10)(font "Arial" (font_size 6)))
+        (text "xti_mclk_a" (rect 90 0 141 11)(font "Arial" ))
         (pt 0 8)
         (drawing
                 (line (pt 0 8)(pt 52 8))
@@ -68,31 +68,48 @@ applicable agreement for further details.
                 (line (pt 82 8)(pt 78 12))
                 (line (pt 78 12)(pt 82 8))
         )
-        (annotation_block (location)(rect 632 120 696 136))
+        (annotation_block (location)(rect 688 112 752 128))
+)
+(pin
+        (output)
+        (rect 512 240 688 256)
+        (text "OUTPUT" (rect 1 0 39 10)(font "Arial" (font_size 6)))
+        (text "xti_mclk_b" (rect 90 0 141 11)(font "Arial" ))
+        (pt 0 8)
+        (drawing
+                (line (pt 0 8)(pt 52 8))
+                (line (pt 52 4)(pt 78 4))
+                (line (pt 52 12)(pt 78 12))
+                (line (pt 52 12)(pt 52 4))
+                (line (pt 78 4)(pt 82 8))
+                (line (pt 82 8)(pt 78 12))
+                (line (pt 78 12)(pt 82 8))
+        )
+        (annotation_block (location)(rect 720 296 784 312))
 )
 (symbol
-        (rect 296 80 456 160)
-        (text "clock_divider" (rect 5 0 71 11)(font "Arial" ))
-        (text "inst" (rect 8 64 26 75)(font "Arial" ))
+        (rect 352 72 512 152)
+        (text "clock_divider" (rect 5 0 69 11)(font "Arial" ))
+        (text "inst" (rect 8 64 25 75)(font "Arial" ))
         (port
                 (pt 0 32)
                 (input)
-                (text "clk" (rect 0 0 15 11)(font "Arial" ))
-                (text "clk" (rect 21 27 36 38)(font "Arial" ))
+                (text "clk" (rect 0 0 14 11)(font "Arial" ))
+                (text "clk" (rect 21 27 35 38)(font "Arial" ))
                 (line (pt 0 32)(pt 16 32))
         )
         (port
                 (pt 0 48)
                 (input)
-                (text "resetn" (rect 0 0 31 11)(font "Arial" ))
-                (text "resetn" (rect 21 43 52 54)(font "Arial" ))
+                (text "resetn" (rect 0 0 30 11)(font "Arial" ))
+                (text "resetn" (rect 21 43 51 54)(font "Arial" ))
                 (line (pt 0 48)(pt 16 48))
         )
         (port
                 (pt 160 32)
                 (output)
-                (text "en_user" (rect 0 0 42 11)(font "Arial" ))
-                (text "en_user" (rect 104 27 146 38)(font "Arial" ))
+                (text "en_user" (rect 0 0 41 11)(font "Arial" ))
+                (text "en_user" (rect 104 27 145 38)(font "Arial" ))
                 (line (pt 160 32)(pt 144 32))
         )
         (parameter
@@ -108,5 +125,65 @@ applicable agreement for further details.
         (drawing
                 (rectangle (rect 16 16 144 64))
         )
-        (annotation_block (parameter)(rect 456 40 641 79))
+        (annotation_block (parameter)(rect 512 32 697 71))
+)
+(symbol
+        (rect 352 216 512 296)
+        (text "clock_divider" (rect 5 0 69 11)(font "Arial" ))
+        (text "inst1" (rect 8 64 31 75)(font "Arial" ))
+        (port
+                (pt 0 32)
+                (input)
+                (text "clk" (rect 0 0 14 11)(font "Arial" ))
+                (text "clk" (rect 21 27 35 38)(font "Arial" ))
+                (line (pt 0 32)(pt 16 32))
+        )
+        (port
+