Changeset 72 for trunk/MultiChannelUSB/control.v

Timestamp:

Nov 25, 2009, 11:02:29 PM (15 years ago)

Author:

demin

Message:

testing all components together

File:

• trunk/MultiChannelUSB/control.v (modified) (7 diffs)

trunk/MultiChannelUSB/control.v

@@ -2 +2 @@
         (
                 input   wire                    clk,
+
+                output  wire                    cfg_reset,
+                input   wire    [15:0]  cfg_src_data,
+                output  wire    [15:0]  cfg_src_addr, cfg_dst_data, cfg_dst_addr,
+
                 input   wire                    rx_empty, tx_full,
                 input   wire    [7:0]   rx_data,
@@ -44 +49 @@
         reg                     int_i2c_wrreq;
 
+        reg                     int_cfg_reset;
+        reg             [15:0]  int_dst_data, int_dst_addr;
 
         wire                    crc_error = 1'b0;
@@ -54 +61 @@
         wire    [15:0]  src, dst;
 
-        reg             [15:0]  memory [15:0];
         reg             [7:0]   buffer [7:0];
 
-        assign  src = (buffer[0][7]) ? memory[buffer[3][3:0]] : {buffer[2], buffer[3]};
+        assign  src = (buffer[0][7]) ? cfg_src_data : {buffer[2], buffer[3]};
         assign  dst = {1'b0, buffer[0][6:0], buffer[1]};
 
@@ -113 +119 @@
                                 idle_counter <= 5'd0;
                                 byte_counter <= 3'd0;
+                                int_cfg_reset <= 1'b0;
                                 state <= 5'd1;
                         end
@@ -147 +154 @@
                                 if (~crc_error)
                                 begin
-                                        memory[dst[3:0]] <= src;
+                                        int_dst_addr <= dst;
+                                        int_dst_data <= src;
+//                                      memory[dst[3:0]] <= src;
                                 
                                         case (dst)
                                                 16'h0000:
                                                 begin
+                                                        int_cfg_reset <= 1'b1;
                                                         state <= 5'd0;
                                                 end
@@ -187 +197 @@
                                                         int_i2c_wrreq <= 1'b1;
                                                         state <= 5'd15;
+                                                end
+
+                                                default:
+                                                begin
+                                                        state <= 5'd0;
                                                 end
                                         endcase
@@ -339 +354 @@
         end
         
+        assign  cfg_reset = int_cfg_reset;
+        assign  cfg_src_addr = {buffer[2], buffer[3]};
+        assign  cfg_dst_data = int_dst_data;
+        assign  cfg_dst_addr = int_dst_addr;
         assign  mux_reset = int_reset;
         assign  mux_type = int_type;