Changeset 99

Timestamp:

Mar 12, 2010, 11:57:35 AM (14 years ago)

Author:

demin

Message:

double the number of configuration registers

File:

• trunk/MultiChannelUSB/configuration.v (modified) (6 diffs)

trunk/MultiChannelUSB/configuration.v

@@ -4 +4 @@
 
                 input   wire                    bus_ssel, bus_wren,
-                input   wire    [3:0]   bus_addr,
+                input   wire    [4:0]   bus_addr,
                 input   wire    [15:0]  bus_mosi,
 
@@ -10 +10 @@
                 output  wire                    bus_busy,
                 
-                output  wire    [255:0] cfg_bits
+                output  wire    [511:0] cfg_bits
         );
 
-        wire    [15:0]  int_ssel_wire;
+        wire    [31:0]  int_ssel_wire;
         wire    [15:0]  int_miso_wire;
         reg             [15:0]  int_miso_reg;
 
-        wire    [15:0]  int_q_wire [15:0];
-        wire    [255:0] int_bits_wire;
+        wire    [511:0] int_bits_wire;
 
         integer i;
@@ -24 +23 @@
 
         generate
-                for (j = 0; j < 16; j = j + 1)
+                for (j = 0; j < 32; j = j + 1)
                 begin : BUS_OUTPUT
-                        assign int_bits_wire[j*16+15:j*16] = int_q_wire[j];
                         lpm_ff #(
                                 .lpm_fftype("DFF"),
@@ -35 +33 @@
                                 .clock(clock),
                                 .data(bus_mosi),
-                                .q(int_q_wire[j]),
+                                .q(int_bits_wire[j*16+15:j*16]),
                                 .aclr(),
                                 .aload(),
@@ -45 +43 @@
 
         lpm_mux #(
-                .lpm_size(16),
+                .lpm_size(32),
                 .lpm_type("LPM_MUX"),
                 .lpm_width(16),
-                .lpm_widths(4)) bus_miso_mux_unit (
+                .lpm_widths(5)) bus_miso_mux_unit (
                 .sel(bus_addr),
                 .data(int_bits_wire),
@@ -55 +53 @@
 
         lpm_decode #(
-                .lpm_decodes(16),
+                .lpm_decodes(32),
                 .lpm_type("LPM_DECODE"),
-                .lpm_width(4)) lpm_decode_unit (
+                .lpm_width(5)) lpm_decode_unit (
                 .data(bus_addr),
                 .eq(int_ssel_wire),