Changeset 79 for trunk/MultiChannelUSB

Timestamp:

Nov 30, 2009, 12:36:14 AM (15 years ago)

Author:

demin

Message:

switch from 8 to 4 byte command

File:

• trunk/MultiChannelUSB/control.v (modified) (4 diffs)

trunk/MultiChannelUSB/control.v

@@ -54 +54 @@
         wire                    crc_error = 1'b0;
         reg                             crc_reset;
-        reg             [2:0]   byte_counter;
+        reg             [1:0]   byte_counter;
         reg             [4:0]   idle_counter;
 
@@ -61 +61 @@
         wire    [15:0]  src, dst;
 
-        reg             [7:0]   buffer [7:0];
+        reg             [7:0]   buffer [3:0];
 
         assign  src = (buffer[0][7]) ? cfg_src_data : {buffer[2], buffer[3]};
@@ -118 +118 @@
                                 ram_counter <= 19'd0;
                                 idle_counter <= 5'd0;
-                                byte_counter <= 3'd0;
+                                byte_counter <= 2'd0;
                                 int_cfg_reset <= 1'b0;
                                 state <= 5'd1;
@@ -129 +129 @@
                                 begin
                                         idle_counter <= 5'd0;
-                                        byte_counter <= byte_counter + 3'd1;
+                                        byte_counter <= byte_counter + 2'd1;
                                         buffer[byte_counter] <= rx_data;
                                         if (&byte_counter)