Initial commit

Uploading to GitHub
This commit is contained in:
Imants Pulkstenis
2019-07-11 18:01:21 +03:00
commit d18a10f6ea
51 changed files with 85956 additions and 0 deletions
+83
View File
@@ -0,0 +1,83 @@
// Default parameters for image transform module
// Four MSB are actual registers
// next two bits are one of modes selected by swishes. 4 modes are avilable
// LSB are camera bit. avilable two cameras. Camera 0 and camera 1.
//
//
module default_reg_writer #(parameter
CAM_LINE = 9,
CAM_PIXEL = 10,
TRA_IMG_WIDTH = 'd320,
TRA_IMG_DEPTH = 'd240,
T11 = 25'sb0_000000000000_100000000000,
T12 = 25'sb0_000000000000_000000000000,
T13 = 25'sb0_000000000000_000000000000,
T21 = 25'sb0_000000000000_000000000000,
T22 = 25'sb0_000000000000_100000000000,
T23 = 25'sb0_000000000000_000000000000,
T31 = 25'sb0_000000000000_000000000000,
T32 = 25'sb0_000000000000_000000000000,
T33 = 25'sb0_000000000001_000000000000
)(
input clk,
input i_enable,
input i_reset,
output o_configured,
output [6:0] o_addr ,
output [24:0] o_data ,
output o_we
);
// Internal variables and registers
reg r_configured = 0;
reg [6:0] r_divider = 7'b0000001; // this value gives a 127 cycle pause before the initial frame is sent
reg [6:0] r_count = 'b0;
reg [24:0] r_data = 'b0;
reg r_we = 'b0;
//------------------ synchonus logic------------------
always @ (posedge clk) begin
if(i_enable)begin
if (i_reset || r_divider != 0 ) begin
r_count <= 0;
r_divider <= r_divider + 1;
r_configured <= 0;
if (r_divider == 'd127) r_we <= 1;
else r_we <= 0;
end
else if ( r_count < 88 ) begin
r_count <= r_count + 1;
r_we <= 1;
end
end
case (r_count[6:3])
'd0 : r_data[CAM_PIXEL-1:0] <= TRA_IMG_WIDTH;
'd1 : r_data[CAM_LINE-1:0] <= TRA_IMG_DEPTH;
'd2 : r_data <= T11;
'd3 : r_data <= T12;
'd4 : r_data <= T13;
'd5 : r_data <= T21;
'd6 : r_data <= T22;
'd7 : r_data <= T23;
'd8 : r_data <= T31;
'd9 : r_data <= T32;
'd10 : r_data <= T33;
default: begin
r_configured <= 1; // default case just in case do nothing
r_we <= 0;
end
endcase
end
//----------- combinational logic ----------------------
assign o_configured = r_configured;
assign o_addr = r_count;
assign o_data = r_data;
assign o_we = r_we;
endmodule