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v04-spi ram used for z_chip_top

This commit is contained in:
thfu 2024-11-23 22:05:06 +08:00
parent cdfd6d716d
commit b995b832f8
8 changed files with 2018 additions and 0 deletions
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172
spi_tx_rx/rx/rx_sram.v Normal file
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// Relese History
// Version Date Author Description
// 0.2 2024-06-14 ZYZ
//-----------------------------------------------------------------------------------------------------------------
// Keywords : receive data from spi_master,sent data to PC
// set reset to output Rdata_PC
//-----------------------------------------------------------------------------------------------------------------
// Parameter
//
//-----------------------------------------------------------------------------------------------------------------
// Purpose :
//
//-----------------------------------------------------------------------------------------------------------------
// Target Device:
// Tool versions:
//-----------------------------------------------------------------------------------------------------------------
// Reuse Issues
// Reset Strategy:
// Clock Domains:
// Critical Timing:
// Asynchronous I/F:
// Synthesizable (y/n):
// Other:
//-FHDR--------------------------------------------------------------------------------------------------------
module rx_sram(
input clk,
input rstn,
(* mark_debug="true" *) input [31:0] din ,
(* mark_debug="true" *) input din_vld ,
(* mark_debug="true" *) input data_rden_rx,
(* mark_debug="true" *) output [31:0] Rdata_PC
);
parameter width = 32 ;
parameter depth = 65536 ;
//=================================================
function integer clog2(input integer depth);
begin
for(clog2=0;depth>0;clog2=clog2+1)
depth =depth>>1;
end
endfunction
//=================================================
localparam aw = clog2(depth-1);
//=================================================
//wr&rd address
(* mark_debug="true" *) reg [aw-1:0] cnta ;
(* mark_debug="true" *) reg [aw-1:0] cntb ;
(* mark_debug="true" *) reg ena ;
(* mark_debug="true" *) reg enb ;
(* mark_debug="true" *) wire [31:0] doutb ;
(* mark_debug="true" *) reg [31:0] din_reg;
always @(posedge clk or negedge rstn)
begin
if(!rstn ) begin
din_reg <= 1'b0;
end
else begin
din_reg <= din;
end
end
(* mark_debug="true" *) reg data_rden_rx_reg;
always @(posedge clk or negedge rstn)
begin
if(!rstn) begin
data_rden_rx_reg <= 1'b0 ;
end
else begin
data_rden_rx_reg <= data_rden_rx ;
end
end
//addra addrb
always @(posedge clk or negedge rstn)
begin
if(!rstn) begin
cnta <= 'h0 ;
end
else if(ena) begin
cnta <= cnta + 'b1;
end
else
cnta <= cnta ;
end
always @(posedge clk or negedge rstn)
begin
if(!rstn ) begin
cntb <= 'h0;
end
else if(enb) begin
cntb <= cntb + 'b1;
end
else begin
cntb <= cntb;
end
end
//enable
always @(posedge clk or negedge rstn)
begin
if(!rstn ) begin
ena <= 1'b0;
end
else begin
ena <= din_vld;
end
end
always @(posedge clk or negedge rstn)
begin
if(!rstn) begin
enb <= 1'b0 ;
end
else if(data_rden_rx_reg & (cntb <= cnta - 1'b1))begin
enb <= 1'b1 ;
end
else begin
enb <= 1'b0 ;
end
end
reg [31:0] Rdata_PC_reg;
always @(posedge clk or negedge rstn)
begin
if(!rstn ) begin
Rdata_PC_reg <= 32'b0;
end
else begin
Rdata_PC_reg <= doutb;
end
end
assign Rdata_PC = Rdata_PC_reg;
/*
blk_mem_gen_0 blk_mem_gen_0_inst(
.clka(clk),
.ena(1'b1),
.wea(ena),
.dina(Rdata_reg),
.addra(cnta),
.clkb(clk),
.enb(enb),
.doutb(doutb),
.addrb(cntb)
);
*/
spram_model #(
.width(width),
.depth(depth)
)spram_inst(
.clka(clk),
.ena(~ena),
.dina(din_reg),
.addra(cnta),
.clkb(clk),
.enb(~enb),
.doutb(doutb),
.addrb(cntb)
);
endmodule

219
spi_tx_rx/spi_master/AxiSpi.v Normal file
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`timescale 1ns / 1ps
//////////////////////////////////////////////////////////////////////////////////
// Company:
// Engineer:
//
// Create Date: 2024/04/03 15:36:03
// Design Name:
// Module Name: AxiSpi
// Project Name:
// Target Devices:
// Tool Versions:
// Description:
//
// Dependencies:
//
// Revision:
// Revision 0.01 - File Created
// Additional Comments:
//
//////////////////////////////////////////////////////////////////////////////////
module AxiSpi(
input clk,
input reset,
input WR, // write en
input RD, // read en
//input [7 : 0] Wlength, // д³¤È
//input [7 : 0] Rlength, // Á³¤È
input [31 : 0] WADDR, // дµØÖ·
input [31 : 0] RADDR, // ÁµØÖ·
(* KEEP="TRUE"*) input [31 : 0] DIN,
input WVALID, // дÊý¾ÝµÄvalid
input cmd_s, // Ö¡¸ñʽ¿ØÖÆ×Ö
input [4 : 0] chirpID,
input [31 : 0] Nlen,
(* KEEP="TRUE"*) output WREADY, // ¿ÉÒÔдÊý
(* KEEP="TRUE"*) output RREADY, // ¿ÉÒÔÁÊý
// read data from spi slave, need to send to axi
(* KEEP="TRUE"*) output RVALID,
(* KEEP="TRUE"*) output [31 : 0] RDATA,
// interface to spi slave
input spi_slave_bit,
(* KEEP="TRUE"*) output ss,
(* KEEP="TRUE"*) output spi_clk,
(* KEEP="TRUE"*) output spi_master_bit
);
// ÎÞÂÛÁд¼ÒªÍ¨¹ýдspi slave µÄ·½Ê½£¬Ö»ÊÇдµÄÖ¸Áͬ
//axi_slave_mem axi_slave_mem_u(
// .clk1(sys_clk), // write clk
// .reset(!sys_rst_n),
// .WR(WR1),
// .RD(1'b0),
// .ADDR_WR(ADDR_WR),
// .ADDR_RD(ADDR_RD),
// .DIN(DIN),
// .cmd_s(1'b0),
// .DVALID(DVALID1),
// .DOUT(DOUT1),
// .ValidRange(ValidRange1)
// );
//axi_slave_mem axi_slave_mem_u2( // Á
// .clk1(sys_clk), // write clk
// // .clk2(sys_clk), // read clk
// .reset(!sys_rst_n),
// .WR(WR2),
// .RD(1'b1),
// .ADDR_WR(ADDR_WR2),
// .ADDR_RD(ADDR_WR2),
// .DIN(DIN2),
// .cmd_s(1'b0),
// .DVALID(DVALID2),
// .DOUT(DOUT2),
// .ValidRange(ValidRange2)
//);
reg WR_c; // Á»¹ÊÇдµÄÑ¡Ôñ
always@(posedge clk)
begin
if(reset)
begin
WR_c <= 1'b0;
end
else if(WR_c == 1'b0) // д״̬ÏÂÖ±µ½ÁÖ¸Áîµ½À´ÔÙ·´×ª
begin
if(RD)
WR_c <= 1'b1;
end
else // Á״̬ÏÂÖ±µ½Ð´Ö¸Áîµ½À´ÔÙ·´×ª
begin
if(WR)
WR_c <= 1'b0;
end
end
// ÓÉÓÚWR_cµÄÔ­Òò£¬ËùÓÐÊäÈë¼ÒªºóÑÓÒ»¸öclk²ÅÄܺÍWR_cÔÆë
reg WR_r;
reg RD_r;
reg [31 : 0] WADDR_r;
reg [31 : 0] RADDR_r;
reg [31 : 0] DIN_r;
reg cmd_sr;
always@(posedge clk)
begin
if(reset)
begin
WADDR_r <= 32'b0;
RADDR_r <= 32'b0;
DIN_r <= 32'b0;
cmd_sr <= 1'b0;
WR_r <= 1'b0;
RD_r <= 1'b0;
end
else
begin
WADDR_r <= WADDR;
RADDR_r <= RADDR;
DIN_r <= DIN ;
cmd_sr <= cmd_s;
WR_r <= WR;
RD_r <= RD;
end
end
wire DVALID;
wire [7 : 0] DOUT;
wire ValidRange;
wire [31 : 0] data_spi_32;
wire WR_mem;
assign WR_mem = WR_r || RD_r; // ÎÞÂÛÁ»¹ÊÇд£¬¼ÐèÒªÁд
axi_slave_mem axi_slave_mem_u( // µØÖ·Ö»»á¸øÊ×µØÖ·£¬ºóÃæÐèÒª×Ô¼º²¹ÉÏ£¬»òÕßÏÈ°´Ã¿´ÎÖ»·¢Ò»Ö¡Ð´
.clk1(clk), // write clk
.reset(reset),
.WR(WR_mem), //WR_r
.RD(WR_c),
.ADDR_WR(WADDR_r),
.ADDR_RD(RADDR_r),
.DIN(DIN_r),
.cmd_s(cmd_sr),
.chirpID(chirpID),
.Nlen(Nlen),
.DVALID(DVALID),
.DOUT(DOUT),
.ValidRange(ValidRange),
.data_spi_32(data_spi_32)
);
wire [7 : 0] spi_master_byte;
wire spi_master_valid;
//wire miso;
spi_master spi_master_u(
// control signal
.clk(clk),
.reset(reset),
//// TX(MOSI) signal
.Rx_ready(~ValidRange), // ÐèÒªÁдspiʱÖÃ1
.axi_byte(DOUT),
.axi_valid(DVALID),
.ss(ss), // ƬѡÐźÅ
.spi_master_bit(spi_master_bit),
.spi_clk(spi_clk),
// RX(MISO) signal
.spi_slave_bit(spi_slave_bit),
.spi_master_byte(spi_master_byte),
.spi_master_valid(spi_master_valid)
// SPI Interface
);
spi_master_mem spi_master_mem_u( // ¼ÓÒ»¸öreadyÐźţ¬±íʾ¿ÉÒÔÁд£¨spi´«Êýʱ²»ÄÜÁд£©
.clk(clk),
.reset(reset),
.RD(WR_c), // axi
.ADDR_RD(RADDR_r), // axi
.DIN(spi_master_byte), // spi
.DVALID(spi_master_valid), // spi
.cmd_s(cmd_s),
.chirpID(chirpID),
.Nlen(Nlen),
.data_spi_32(data_spi_32),
.DREADY(~ss),
.DOUT(RDATA),
.DVALID_o(RVALID)
);
reg ss_r1;
reg ss_r2;
always@(negedge clk)
begin
if(reset)
begin
ss_r1 <= 1'b0;
ss_r2 <= 1'b0;
end
else
begin
ss_r1 <= ss;
ss_r2 <= ss_r1;
end
end
assign WREADY = ss_r2 && ss_r1 && ss;
assign RREADY = ~(ss_r2 && ss_r1 && ss);
endmodule

371
spi_tx_rx/spi_master/axi_slave_mem.v Normal file
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`timescale 1ns / 1ps
//////////////////////////////////////////////////////////////////////////////////
// Company:
// Engineer:
//
// Create Date: 2024/03/25 16:00:22
// Design Name:
// Module Name: axi_slave_mem
// Project Name:
// Target Devices:
// Tool Versions:
// Description:
//
// Dependencies:
//
// Revision:
// Revision 0.01 - File Created
// Additional Comments:
//
//////////////////////////////////////////////////////////////////////////////////
module axi_slave_mem(
clk1, // write clk
// clk2, // read clk
reset,
WR,
RD,
ADDR_WR,
ADDR_RD,
DIN,
cmd_s,
chirpID,
Nlen, // ÿһ֡Êý¾ÝµÄ³¤È
DVALID,
DOUT,
ValidRange,
data_spi_32
);
parameter MEM_WORDS = 10000;
input clk1;
input reset;
input WR;
input RD;
input [31:0] ADDR_WR;
input [31:0] ADDR_RD;
input [31:0] DIN;
input cmd_s;
input [4 :0] chirpID;
input [31:0] Nlen;
output DVALID;
output [7:0] DOUT;
output ValidRange;
output [31 : 0] data_spi_32;
reg [32-1:0] Mem_data [MEM_WORDS-1:0];
reg [32-1:0] Mem_addr [MEM_WORDS-1:0];
reg WR_r;
wire WR_begin;
wire WR_end;
reg [32-1:0] addr_cnt;
reg [32-1:0] DIN_r;
reg [32-1:0] ADDR_WR_r;
always @(posedge clk1)
begin
if (reset)
begin
WR_r <= 1'b0;
DIN_r <= 1'b0;
ADDR_WR_r <= 1'b0;
end
else if(RD == 1'b0) // write
begin
WR_r <= WR;
DIN_r <= DIN; // when need to write, just write the data_in in to memory
ADDR_WR_r <= ADDR_WR;
end
else // read
begin
WR_r <= WR;
DIN_r <= DIN; // when need to write, just write the data_in in to memory
ADDR_WR_r <= ADDR_RD;
end
end
assign WR_begin = WR & (~WR_r);
assign WR_end = (~WR) & (WR_r);
always @(posedge clk1)
begin
if (WR_begin)
begin
addr_cnt <= 32'b0;
end
else if(WR_r) // ´æ´¢Êý¾ÝºÍµØÖ·
begin
addr_cnt <= addr_cnt + 1'b1;
Mem_data[addr_cnt] <= DIN_r; // when need to write, just write the data_in in to memory
Mem_addr[addr_cnt] <= ADDR_WR_r;
end
end
wire [31 : 0] Length; //È·¨Ö¡³¤È
//assign Length = (cmd_s == 1'b0) ? 5'd2 : 5'd17;
assign Length = Nlen + 1'b1;
reg [6 : 0] data32_cnt; // 32bit data counter [5 : 0]--> 2·ÖƵ£»[6 : 0]--> 4·ÖƵ
reg [31 : 0] length_cnt; // 32bit data counter
always@(posedge clk1)
begin
if(reset || WR_end)
begin
data32_cnt <= 5'b0;
end
else if(length_cnt == Length)
begin
data32_cnt <= 5'b0;
end
else
begin
data32_cnt <= data32_cnt + 1'b1;
end
end
always@(posedge clk1)
begin
if(reset || WR_end)
begin
length_cnt <= 32'b0;
end
else if(data32_cnt == 7'd127) // 63--> 2·ÖƵ£»127--> 4·ÖƵ
begin
length_cnt <= length_cnt + 1'b1;
end
else if((length_cnt == Length) && (data32_cnt == 5'd0))
begin
length_cnt <= 32'b0;
end
end
reg [31 : 0] length_cnt_r;
always@(posedge clk1)
begin
if(reset || WR_end)
begin
length_cnt_r <= 32'b0;
end
else
begin
length_cnt_r <= length_cnt;
end
end
reg valid_32; // ÿ32bitÔÓ¦Ò»¸övalid
reg valid_32r;
always@(posedge clk1)
begin
if(reset || WR_end || (length_cnt == Length))
begin
valid_32 <= 1'b0;
valid_32r <= 1'b0;
end
else if(data32_cnt == 5'd1)
begin
valid_32 <= 1'b1;
valid_32r <= valid_32;
end
else
begin
valid_32 <= 1'b0;
valid_32r <= valid_32;
end
end
reg [31 : 0] data_spi_32;
reg [31 : 0] data_addr_cnt;
reg [31 : 0] data_addr;
reg [31 : 0] data_mem;
always@(posedge clk1)
begin
if(reset || WR_end || WR_begin)
begin
data_addr_cnt <= 32'b0;
data_spi_32 <= 32'b0;
data_addr <= 32'b0;
data_mem <= 32'b0;
end
else if(RD == 1'b0)
begin
if (data_addr_cnt <= addr_cnt)
begin
if((data32_cnt == 5'd0) && (length_cnt != 1'b1) && (length_cnt != Length))
begin
data_addr_cnt <= data_addr_cnt + 32'b1;
data_addr <= Mem_addr[data_addr_cnt];
data_mem <= Mem_data[data_addr_cnt];
end
if((data32_cnt == 5'd1) && (length_cnt == 1'b0)) // zhentou
begin
// data_spi_32 <= {1'b0, cmd_s,data_addr[24 : 0], 5'b0 };
data_spi_32 <= {1'b0,data_addr[24 : 0], chirpID, 1'b0 };
end
else if((data32_cnt == 5'd1)) // && (length_cnt == Length - 1)
begin
data_spi_32 <= data_mem;
end
end
else
begin
data_addr <= 32'hffff;
data_spi_32 <= 32'hffff;
end
end
else if(RD == 1'b1)
begin
if (data_addr_cnt <= addr_cnt)
begin
if((data32_cnt == 5'd0) && (length_cnt != 1'b1) && (length_cnt != Length))
begin
data_addr_cnt <= data_addr_cnt + 32'b1;
data_addr <= Mem_addr[data_addr_cnt];
end
if((data32_cnt == 5'd1) && (length_cnt == 1'b0)) // zhentou
begin
// data_spi_32 <= {1'b1, cmd_s,data_addr[24 : 0], 5'b0 };
data_spi_32 <= {1'b1,data_addr[24 : 0], chirpID, 1'b0 };
end
else if((data32_cnt == 5'd1)) // && (length_cnt == Length - 1)
begin
data_spi_32 <= 32'b0;
end
end
else
begin
data_addr <= 32'hffff;
data_spi_32 <= 32'hffff;
end
end
end
reg ss_wr;
always@(posedge clk1)
begin
if(reset || WR_begin || (data_addr_cnt > addr_cnt)) // ÔÚдʱ²»ÔÊÐí´«Êý
begin
ss_wr <= 1'b1;
end
else if ((WR_end))
begin
ss_wr <= 1'b0;
end
end
reg ss_dr;
always@(posedge clk1)
begin
if(length_cnt_r == Length) // ÿ´«ÍêÒ»Ö¡£¬ssÀ­µÍÒ»¸öclk
begin
ss_dr <= 1'b1;
end
else
begin
ss_dr <= 1'b0;
end
end
reg ss_wr1;
reg ss_wr2;
always@(posedge clk1)
begin
if(reset || (data_addr_cnt > addr_cnt))
begin
ss_wr1 <= 1'b1;
ss_wr2 <= 1'b1;
end
else
begin
ss_wr1 <= ss_wr;
ss_wr2 <= ss_wr1;
end
end
wire ss_r;
assign ss_r = ss_wr || ss_dr;
wire ValidRange_r;
assign ValidRange_r = ss_wr2 || ss_dr;
reg ss_r1;
reg ss_r2;
always@(posedge clk1)
begin
if(reset)
begin
ss_r1 <= 1'b1;
ss_r2 <= 1'b1;
end
else
begin
ss_r1 <= ValidRange_r;
ss_r2 <= ss_r1;
end
end
reg [7 : 0] data_spi; // spi data input
reg [6 : 0] data_spi_cnt; // [5 : 0]->2, [6 : 0] ->4
always @(posedge clk1)
if (ValidRange_r | reset)
begin
data_spi_cnt <= 5'b0;
end
else
begin
data_spi_cnt <= data_spi_cnt + 1'b1;
end
reg valid_spi;
always @(posedge clk1)
if (reset)
begin
data_spi <= 8'b0;
// data_spi_cnt <= 4'b0; //mutl_driven
// data_addr_cnt <= 32'b0;
valid_spi <= 1'b0;
end
else if (~ValidRange_r)
begin
if(data_spi_cnt == 4'b1)
begin
valid_spi <= 1'b1;
data_spi <= data_spi_32[31 : 24]; // ´Ó¸ßµ½µÍ·¢ËÍ
end
else if(data_spi_cnt == 7'd33)
begin
valid_spi <= 1'b1;
data_spi <= data_spi_32[23 : 16];
end
else if(data_spi_cnt == 7'd65)
begin
valid_spi <= 1'b1;
data_spi <= data_spi_32[15 : 8];
end
else if(data_spi_cnt == 7'd97)
begin
valid_spi <= 1'b1;
data_spi <= data_spi_32[7 : 0];
end
else
begin
valid_spi <= 1'b0;
end
end
else
begin
valid_spi <= 1'b0;
end
wire valid_spi_o;
assign valid_spi_o = valid_spi && (~ss_r);
assign DVALID = valid_spi_o;
assign DOUT = data_spi ;
assign ValidRange = ss_r2;
endmodule

213
spi_tx_rx/spi_master/spi_master.v Normal file
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`timescale 1ns / 1ps
//////////////////////////////////////////////////////////////////////////////////
// Company:
// Engineer:
//
// Create Date: 2024/06/24
// Design Name:
// Module Name: spi_master
// Project Name:
// Target Devices:
// Tool Versions:
// Description:
//
// Dependencies: V0.2 Corresponding to the code of June 19, the spi slave side of the three-state port output
// Fixed a bug where high resistance z was sampled during the first falling edge sampling
// Revision:
// Revision 0.01 - File Created
// Additional Comments:
//
//////////////////////////////////////////////////////////////////////////////////
module spi_master
#(parameter SPI_MODE = 3)
(
// control signal
input clk,
input reset,
//// TX(MOSI) signal
input Rx_ready, // ÐèÒªÁдspiʱÖÃ1
input [7 : 0] axi_byte,
input axi_valid,
output ss, // ƬѡÐźÅ
output spi_master_bit,
output spi_clk,
// RX(MISO) signal
// output [7 : 0] RX_byte,
// output RX_valid,
input spi_slave_bit,
output [7 : 0] spi_master_byte,
output spi_master_valid
// SPI Interface
);
wire w_CPOL; // Clock polarity
wire w_CPHA; // Clock phase
assign w_CPOL = (SPI_MODE == 2) | (SPI_MODE == 3);
assign w_CPHA = (SPI_MODE == 1) | (SPI_MODE == 3);
reg Rx_ready_r1;
reg Rx_ready_r2;
always@(posedge clk)
begin
if(reset)
begin
Rx_ready_r1 <= 1'b0;
Rx_ready_r2 <= 1'b0;
end
else
begin
Rx_ready_r1 <= Rx_ready;
Rx_ready_r2 <= Rx_ready_r1;
end
end
reg spi_clk_r;
reg spi_clk_rr;
always@(posedge clk)
begin
if(reset)
begin
spi_clk_r <= 1'b1;
//spi_clk_rr <= 1'b1;
end
else
begin
if(Rx_ready)
begin
spi_clk_r <= spi_clk_r + 1'b1;
end
//spi_clk_rr <= spi_clk_r; // 2·ÖƵ
end
end
always@(posedge clk)
begin
if(reset)
begin
spi_clk_rr <= 1'b1;
end
else
begin
if(spi_clk_r == 1'b0)
spi_clk_rr <= ~spi_clk_rr; //4·ÖƵ
end
end
reg ss_r;
reg ss_rr;
wire rx_edge;
always@(negedge clk) // only ss need to read negedge of clk
begin
if(reset)
begin
ss_r <= 1'b1;
ss_rr <= ss_r;
// rx_edge_r <= 1'b0;
end
else
begin
ss_r <= ~Rx_ready;
ss_rr <= ss_r;
// rx_edge_r <= rx_edge;
end
end
wire tx_edge;
assign rx_edge = (spi_clk_r) & (~spi_clk_rr); // mode 3
assign tx_edge = (~spi_clk_r) & (spi_clk_rr);
reg rx_edge_r;
reg rx_edge_r2;
reg rx_edge_r3;
always@(posedge clk)
begin
if(reset)
begin
rx_edge_r <= 1'b0;
rx_edge_r2 <= 1'b0;
rx_edge_r3 <= 1'b0;
end
else
begin
rx_edge_r <= rx_edge;
rx_edge_r2 <= rx_edge_r;
rx_edge_r3 <= rx_edge_r2;
end
end
reg spi_master_bit_r;
//reg spi_master_bit_rr;
reg [7 : 0] spi_master_byte_r;
reg [2 : 0] bit_cnt1; // 0~7
reg [2 : 0] bit_cnt2; // 0~7
always@(posedge clk)
begin
// if(reset || (~Rx_ready))
// begin
// spi_master_bit_r <= 1'b0;
// spi_master_bit_rr <= 1'b0;
// spi_master_byte_r <= 8'b0;
// bit_cnt1 <= 3'd7;
// bit_cnt2 <= 3'd7;
// end
if(reset)
begin
spi_master_bit_r <= 1'b0;
//spi_master_bit_rr <= 1'b0;
spi_master_byte_r <= 8'b0;
bit_cnt1 <= 3'd7;
bit_cnt2 <= 3'd7;
end
else if (~Rx_ready_r1)
begin
bit_cnt1 <= 3'd7;
bit_cnt2 <= 3'd7;
end
else
begin
if(tx_edge)
begin
spi_master_bit_r <= axi_byte[bit_cnt1]; // spi_master_bit_r Ó¦¸Ã°´spi clk ø²»ÊÇ clk ±ä»¯
bit_cnt1 <= bit_cnt1 - 1'b1;
//spi_master_bit_rr <= spi_master_bit_r;
end
else if(rx_edge_r2)
begin
spi_master_byte_r[bit_cnt2] <= spi_slave_bit;
bit_cnt2 <= bit_cnt2 - 1'b1;
end
end
end
assign spi_clk = spi_clk_rr;
assign ss = ss_rr;
assign spi_master_bit = spi_master_bit_r;
assign spi_master_byte = spi_master_byte_r;
assign spi_master_valid = ((bit_cnt2 == 3'd7) && (rx_edge_r3 == 1'b1)) ? 1'b1 : 1'b0;
/*
reg spi_master_valid_reg;
always@(posedge clk)
begin
if(reset)begin
spi_master_valid_reg <= 1'b0;
end else if(spi_master_valid & Rx_ready)begin
spi_master_valid_reg <= 1'b1;
end else if(~Rx_ready)begin
spi_master_valid_reg <= 1'b0;
end
end
assign miso_valid = spi_master_valid & spi_master_valid_reg;
*/
endmodule

221
spi_tx_rx/spi_master/spi_master_mem.v Normal file
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`timescale 1ns / 1ps
//////////////////////////////////////////////////////////////////////////////////
// Company:
// Engineer:
//
// Create Date: 2024/03/26 15:21:07
// Design Name:
// Module Name: spi_master_mem
// Project Name:
// Target Devices:
// Tool Versions:
// Description:
//
// Dependencies:
//
// Revision:
// Revision 0.01 - File Created
// Additional Comments:
//
//////////////////////////////////////////////////////////////////////////////////
module spi_master_mem(
clk,
reset,
RD, // axi
ADDR_RD, // axi
DIN, // spi
DVALID, // spi
cmd_s,
chirpID,
Nlen,
data_spi_32,
DREADY,
DOUT,
DVALID_o
);
parameter MEM_WORDS = 1000;
input clk;
input reset;
input RD;
input [31:0] ADDR_RD;
input [7:0] DIN;
input DVALID;
input cmd_s; // Ö¡¸ñʽ¿ØÖÆ×Ö
input [4 :0] chirpID;
input [31:0] Nlen;
input [31 :0] data_spi_32; // ×ÖÍ·
input DREADY;
output [31:0] DOUT;
output DVALID_o;
reg DREADY_r;
always @(posedge clk)
begin
if(reset)
DREADY_r <= 1'b0;
else
DREADY_r <= DREADY;
end
reg [1 : 0] valid_cnt; // valid count,ÒÔ4ΪÖÜÆÚ
reg [5 : 0] valid_cnt16; // valid count, ÒÔ16*4ΪÖÜÆÚ
reg [31 : 0] head_cnt; // Ö¡¼ÆÊý
wire [31 : 0] Length; // Ö¡³¤È
//assign Length = (cmd_s == 1'b0) ? 8'd7 : 8'd67; // 7 = 2*4 -1; 67 = 17 * 4 -1
assign Length = (Nlen + 1) * 4 - 1;
reg [31 : 0] data_32;
always @(posedge clk)
begin
if (reset || (~RD) || (~DREADY_r))
begin
valid_cnt <= 2'b0;
valid_cnt16 <= 4'b0;
data_32 <= 32'b0;
end
else if(RD && DREADY_r && DVALID)
begin
begin
valid_cnt <= valid_cnt + 1'b1;
valid_cnt16 <= valid_cnt16 + 1'b1;
end
if(valid_cnt == 2'b0)
begin
data_32 <= {DIN, data_32[23 : 0]}; // MSB
end
else if(valid_cnt == 2'd1)
begin
data_32 <= {data_32[31 : 24], DIN, data_32[15 : 0]};
end
else if(valid_cnt == 2'd2)
begin
data_32 <= {data_32[31 : 16], DIN, data_32[7 : 0]};
end
else if(valid_cnt == 2'd3)
begin
data_32 <= {data_32[31 : 8], DIN};
end
end
end
always @(posedge clk)
begin
if (reset || (~RD) || (~DREADY_r))
begin
head_cnt <= 32'b0;
end
else if(RD && DREADY_r && DVALID)
begin
if(head_cnt < Length)
begin
head_cnt <= head_cnt + 1'b1;
end
else
begin
head_cnt <= 32'b0;
end
end
end
reg DVALID_r;
always@(posedge clk)
begin
if(reset)
begin
DVALID_r <= 1'b0;
end
else
begin
DVALID_r <= DVALID;
end
end
reg [31 : 0] data_o;
reg valid_o;
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// ÓÉÓÚspi masterÄ£¿éµÄ´¦Àí£¬ÕâÀïµÄÊý¾Ý±Èaxi_slave_mem ·¢³öµÄÊý¾ÝÒªÍíһЩ£¬ÐèÒªÑÓʱÒÔÔÆë
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
reg [31 : 0] data_spi_32_r1;
reg [31 : 0] data_spi_32_r2;
reg [31 : 0] data_spi_32_r3;
reg [31 : 0] data_spi_32_r4;
reg [31 : 0] data_spi_32_r5;
reg [31 : 0] data_spi_32_r6;
reg [31 : 0] data_spi_32_r7;
reg [31 : 0] data_spi_32_r8;
always@(posedge clk)
begin
if(reset)
begin
data_spi_32_r1 <= 32'b0;
data_spi_32_r2 <= 32'b0;
data_spi_32_r3 <= 32'b0;
data_spi_32_r4 <= 32'b0;
data_spi_32_r5 <= 32'b0;
data_spi_32_r6 <= 32'b0;
data_spi_32_r7 <= 32'b0;
data_spi_32_r8 <= 32'b0;
end
else
begin
data_spi_32_r1 <= data_spi_32;
data_spi_32_r2 <= data_spi_32_r1;
data_spi_32_r3 <= data_spi_32_r2;
data_spi_32_r4 <= data_spi_32_r3;
data_spi_32_r5 <= data_spi_32_r4;
data_spi_32_r6 <= data_spi_32_r5;
data_spi_32_r7 <= data_spi_32_r6;
data_spi_32_r8 <= data_spi_32_r7;
end
end
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// spi slave ·µ»ØÊý¾ÝÔÚÖ¡Í·´¦·µ»ØÈ«Á㣬²»ÐèÑÓºóÊý¾Ý£¬ÔÚÈ«Áã´¦²ðÈëÖ¡Í·¼´¿É
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
always@(posedge clk)
begin
if(reset || (~RD) || (~DREADY_r))
begin
data_o <= 32'b0;
valid_o <= 1'b0;
end
begin
if(DVALID_r && (valid_cnt == 2'd0) && (RD) ) //&& DREADY
begin
if(head_cnt == 32'd4) // ÿ֡ǰ4¸ö×Ö½ÚÊÇÖ¡Í·
begin
data_o <= data_spi_32_r8;
valid_o <= 1'b1;
end
else
begin
data_o <= data_32;
valid_o <= 1'b1;
end
end
else
begin
valid_o <= 1'b0;
end
end
end
assign DOUT = data_o;
assign DVALID_o = valid_o;
endmodule

69
spi_tx_rx/spram_model_0.v Normal file
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module spram_model #(
parameter width = 32
,parameter depth = 256
)(
clka,
ena,
dina,
addra,
clkb,
enb,
doutb,
addrb
);
//=================================================
function integer clog2(input integer depth);
begin
for(clog2=0;depth>0;clog2=clog2+1)
depth =depth>>1;
end
endfunction
//=================================================
localparam aw = clog2(depth-1);
//=================================================
input clka;
input ena;
input [width-1:0] dina;
input [aw-1:0] addra;
input clkb;
input enb;
output [width-1:0] doutb;
input [aw-1:0] addrb;
//================================================
wire clka;
wire ena;
wire [width-1:0] dina;
wire [aw-1:0] addra;
wire clkb;
wire enb;
reg [width-1:0] doutb;
wire [aw-1:0] addrb;
//================================================
reg [width-1:0] mem[0:depth-1];
always@(posedge clka)begin
if(!ena)begin
mem[addra] <=dina;
end
end
always@(posedge clkb)begin
if(!enb)begin
doutb <=mem[addrb];
end
else begin
doutb <=0;
end
end
endmodule

502
spi_tx_rx/top/sram_z_top.v Normal file
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//+FHDR--------------------------------------------------------------------------------------------------------
// Company:
//-----------------------------------------------------------------------------------------------------------------
// File Name : spi_to_sram_v1.2.v
// Department :
// Author : ZYZ
// Author's Tel :
//-----------------------------------------------------------------------------------------------------------------
// Relese History
// Version Date Author Description
// 0.1 2024-05-30 ZYZ
//-----------------------------------------------------------------------------------------------------------------
// Keywords : (1) connect rx_sram , tx_sram , spi-master ,digital_top successfully,the
// verilog files of the digital_top is marked 2024.5.17
// (2) when reading data,tx_sram still need to complete the data
//
//-----------------------------------------------------------------------------------------------------------------
// Parameter
//
//-----------------------------------------------------------------------------------------------------------------
// Purpose :
//
//-----------------------------------------------------------------------------------------------------------------
// Target Device:
// Tool versions:
//-----------------------------------------------------------------------------------------------------------------
// Reuse Issues
// Reset Strategy:
// Clock Domains:
// Critical Timing:
// Asynchronous I/F:
// Synthesizable (y/n):
// Other:
//-FHDR--------------------------------------------------------------------------------------------------------
`include "../../rtl/define/chip_define.v"
module sram_z_top(
input clk
,input por_rstn
,input async_rstn // hardware Reset, active low
//sync
,input sync_in // Chip synchronization signal input, high pulse valid
,output sync_out // Chip synchronization signal output, high pulse valid
,input [1 :0] ch0_feedback // Ch0 Feedback signals from the readout chip
`ifdef CHANNEL_IS_FOUR
,input [1 :0] ch1_feedback // Ch1 Feedback signals from the readout chip
,input [1 :0] ch2_feedback // Ch2 Feedback signals from the readout chip
,input [1 :0] ch3_feedback // Ch3 Feedback signals from the readout chip
`endif
,input [4 :0] cfgid // During power-on initialization, the IO configuration
// values are read as the chip ID number
//irq
,output irq
,output [5 :0] PO_ch0_att // CH0 Attenuator Control Bit
//tx_sram port
,input [31 :0] din
,input [15 :0] data_length
,output data_done_all
,output data_out_per
//digital_top port
,output oen
//rx_sram port
,input data_rden_rx
,output [31:0] Rdata_PC
// PLL LOCK
//------------------------------Ch0 DAC cfg pin----------------------------------------------------
,output [2 :0] ch0_dac_addr
,output [2 :0] ch0_dac_dw
,output [8 :0] ch0_dac_ref
,output [16 :0] ch0_dac_Prbs_rst0
,output [16 :0] ch0_dac_Prbs_set0
,output [16 :0] ch0_dac_Prbs_rst1
,output [16 :0] ch0_dac_Prbs_set1
,output ch0_dac_Cal_sig
,output ch0_dac_Cal_rstn
,output ch0_dac_Cal_div_rstn
,input ch0_dac_Cal_end
,output [2 :0] ch0_dac_Ctrlp
,output [2 :0] ch0_dac_Ctrln
//------------------------------Ch0 DC Bias cfg pin----------------------------------------------------
,output [2 :0] ch0_dc_addr
,output [2 :0] ch0_dc_dw
,output [8 :0] ch0_dc_ref
,output ch0_dc_Cal_sig
,output ch0_dc_Cal_rstn
,output ch0_dc_Cal_div_rstn
,input ch0_dc_Cal_end
//------------------------------Ch0 DSP data out----------------------------------------------------
,output [15 :0] ch0_z_dsp_dout0
,output [15 :0] ch0_z_dsp_dout1
,output [15 :0] ch0_z_dsp_dout2
,output [15 :0] ch0_z_dsp_dout3
,output [15 :0] ch0_dc_bias_o
,output ch0_dc_bias_latch
);
//tx_sram signal
wire [31:0] Nlen;
wire [4 :0] chip_ID;
wire [24:0] address;
wire [31:0] data_out_rx;
wire wr_en;
wire rd_en;
wire RREADY;
wire WREADY;
//axi-spi signal
wire spi_master_bit;
wire spi_clk;
wire ss;
wire spi_slave_bit;
//rx_sram signal
wire [31:0] RDATA;
wire RVALID;
wire [14 :0] ch0_z_DEM_MSB_OUT0;
wire [14 :0] ch0_z_DEM_MSB_OUT1;
wire [14 :0] ch0_z_DEM_MSB_OUT2;
wire [14 :0] ch0_z_DEM_MSB_OUT3;
wire [6 :0] ch0_z_DEM_ISB_OUT0;
wire [6 :0] ch0_z_DEM_ISB_OUT1;
wire [6 :0] ch0_z_DEM_ISB_OUT2;
wire [6 :0] ch0_z_DEM_ISB_OUT3;
wire [8 :0] ch0_z_DEM_LSB_OUT0;
wire [8 :0] ch0_z_DEM_LSB_OUT1;
wire [8 :0] ch0_z_DEM_LSB_OUT2;
wire [8 :0] ch0_z_DEM_LSB_OUT3;
tx_sram inst_tx_sram(
.clk(clk),
.rstn(por_rstn),
//input
.dina(din),
.data_length (data_length),
.WREADY (WREADY),
.RREADY (RREADY),
//output
.Nlen (Nlen),
.chip_ID (chip_ID),
.address (address),
.data_out (data_out_rx),
.wr_en (wr_en),
.rd_en (rd_en),
.data_done_all (data_done_all),
.data_out_per (data_out_per)
);
AxiSpi inst_AxiSpi(
.clk (clk ),
.reset (!por_rstn ),
.WR (wr_en ),
.RD (rd_en ),
//input
.WADDR ({7'b0,address}),
.RADDR ({7'b0,address}),
.DIN (data_out_rx ),
.WVALID ( ),
.cmd_s ( ),
.chirpID (chip_ID ),
.Nlen (Nlen ),
//output
.WREADY (WREADY ),
.RREADY (RREADY ),
// read data from spi slave, need to send to axi
.RVALID (RVALID ),
.RDATA (RDATA ),
// interface to spi slave
.spi_slave_bit (spi_slave_bit ), //miso
.ss (ss ), //ss
.spi_clk (spi_clk ), //2 or 4
.spi_master_bit (spi_master_bit) //mosi
);
rx_sram inst_rx_sram(
.clk (clk),
.rstn (por_rstn),
.din (RDATA),
.din_vld (RVALID),
.data_rden_rx (data_rden_rx),
.Rdata_PC (Rdata_PC)
);
z_chip_top inst_chip_top (
//+++++++++++++++++++++++++++++++++++++++++++++//
// PAD Strat //
//+++++++++++++++++++++++++++++++++++++++++++++//
.PI_async_rstn (async_rstn )// hardware Reset, active low
//sync
,.PI_sync_in (sync_in ) // Chip synchronization signal input, high pulse valid
,.PO_sync_out (sync_out ) // Chip synchronization signal output, high pulse valid
//Feedback signal
,.PI_ch0_feedback (ch0_feedback)// Ch0 Feedback signals from the readout chip
`ifdef CHANNEL_IS_FOUR
,.PI_ch1_feedback (ch1_feedback) // Ch1 Feedback signals from the readout chip
,.PI_ch2_feedback (ch2_feedback) // Ch2 Feedback signals from the readout chip
,.PI_ch3_feedback (ch3_feedback) // Ch3 Feedback signals from the readout chip
`endif
//config chip id
,.PI_cfgid (cfgid)// During power-on initialization, the IO configuration
// values are read as the chip ID number
//spi port
,.PI_sclk (spi_clk ) // Spi Clock
,.PI_csn (ss ) // Spi Chip Select active low
,.PI_mosi (spi_master_bit) // Spi Mosi
,.PO_miso (spi_slave_bit ) // Spi Miso
//irq
,.PO_irq (irq )// Interrupt signal in the chip, high level active
//Attenuator Control Bit\u200c
,.PO_ch0_att (PO_ch0_att ) // CH0 Attenuator Control Bit
`ifdef CHANNEL_IS_FOUR
,.PO_ch1_att ( ) // CH1 Attenuator Control Bit
,.PO_ch2_att ( ) // CH2 Attenuator Control Bit
,.PO_ch3_att ( ) // CH3 Attenuator Control Bit
`endif
//+++++++++++++++++++++++++++++++++++++++++++++//
// PAD End //
//+++++++++++++++++++++++++++++++++++++++++++++//
//+++++++++++++++++++++++++++++++++++++++++++++//
// PIN Strat //
//+++++++++++++++++++++++++++++++++++++++++++++//
//-------------------------clcok pin from pll-------------------------------------------------
,.clk (clk )// System Main Clock
//-------------------------Power on reset pin from por----------------------------------------
,.por_rstn (por_rstn )// Power on reset, active low
//------------------------------digital IO----------------------------------------------------
//------------------------------PLL cfg pin----------------------------------------------------
,.ref_sel ( )// Clock source selection for a frequency divider;
// 1'b0:External clock source
// 1'b1:internal phase-locked loop clock source
,.ref_en ( )// Input reference clock enable
// 1'b0:enable,1'b1:disable
,.ref_s2d_en ( )// Referenced clock differential to single-ended conversion enable
// 1'b0:enable,1'b1:disable
,.p_cnt ( ) // P counter
,.pfd_delay ( ) // PFD Dead Zone
,.pfd_dff_Set ( ) // Setting the PFD register,active high
,.pfd_dff_4and ( ) // PFD output polarity
,.spd_div ( ) // SPD Frequency Divider
,.spd_pulse_width ( ) // Pulse Width of SPD
,.spd_pulse_sw ( ) // Pulse sw of SPD
,.cpc_sel ( ) // current source selection
,.swcp_i ( ) // PTAT current switch
,.sw_ptat_r ( ) // PTAT current adjustment
//,output [1 :0] sw_fll_cpi // Phase-locked loop charge pump current
//,output sw_fll_delay // PLL Dead Zone
,.pfd_sel ( ) // PFD Loop selection
,.spd_sel ( ) // SPD Loop selection
,.dtd_en ( ) //
//,output fll_sel // FLL Loop selection
,.vco_tc ( ) // VCO temperature compensation
,.vco_tcr ( ) // VCO temperature compensation resistor
,.vco_gain_adj ( ) // VCO gain adjustment
,.vco_gain_adj_r ( ) // VCO gain adjustment resistor
,.vco_cur_adj ( ) // VCO current adjustment
,.vco_buff_en ( ) // VCO buff enable,active high
,.vco_en ( ) // VCO enable,active high
,.vco_fb_adj ( ) // VCO frequency band adjustment
// ,.pll_dpwr_adj ( ) // PLL frequency division output power adjustment
// ,output [7 :0] vco_fb_adj // VCO frequency band adjustment
,.tc_sel ( ) // Temperature compensation options
,.pata_res_en ( ) // PATAMOS resistance enable
,.pata_s_dc_sel ( ) // PATA slope DC selection
,.pata_res_vdc300 ( ) // PATAMOS resistance bias
,.pata_res_vdc500 ( ) // PATAMOS resistance bias
,.pata_res_vdc800 ( ) // PATAMOS resistance bias
,.sw_var_temp_en ( ) // Temperature-compensated automatic switch
,.sw_var_temp ( ) // Temperature-compensated manual switch
,.afc_en ( ) // AFC enable
,.afc_shutdown ( ) // AFC module shutdown signal
,.afc_reset ( ) // AFC reset
//,output [0 :0] afc_det_speed // AFC detection speed
//,output [0 :0] flag_out_sel // Read and choose the signs
,.afc_clk_sel ( ) // AFC clock frequency choose
,.afc_pres ( ) // AFC comparator accuracy adjustment
,.afc_fb_cnt ( ) // AFC frequency band adjustment function counter
,.afc_fb_target ( ) // AFC frequency band adjustment function target number of cycles
,.afc_ld_cnt ( ) // Adjust the counting time of the AFC lock detection // feature counter
,.afc_ld_target ( )// AFC Lock Detection Function Target Cycle Count
,.div_rstn_sel ( ) // div rstn select, 1'b0: ext clear, 1'b1:inter pll lock
,.test_clk_sel ( ) // test clk select, 4'b0001:DIV1 clk, 4'b0010:DIV2 clk, 4'b0100:DIV4 clk, 4'b1000:DIV8 clk
,.test_clk_oen ( ) // test clk output enable, 1'b0:disenable, 1'b1:enable
,.dig_clk_sel ( ) // digital main clk select, one hot code,bit[0]-->0 degree phase,bit[1]-->45 degree phase.....bit[7]-->315degree phae
,.clkrx_pdn ( ) // CLock Rx Power Down
,.sync_clr ( ) // PLL div sync clr,low active
,.pll_rstn ( ) // PLL reset,active low
,.pll_lock ( ) // PLL LOCK
,.afc_end_flag ( )
,.clk_resv ( )
//------------------------------Ch0 DAC cfg pin----------------------------------------------------
,.ch0_dac_addr (ch0_dac_addr )
,.ch0_dac_dw (ch0_dac_dw )
,.ch0_dac_ref (ch0_dac_ref )
,.ch0_dac_Prbs_rst0 (ch0_dac_Prbs_rst0 )
,.ch0_dac_Prbs_set0 (ch0_dac_Prbs_set0 )
,.ch0_dac_Prbs_rst1 (ch0_dac_Prbs_rst1 )
,.ch0_dac_Prbs_set1 (ch0_dac_Prbs_set1 )
,.ch0_dac_Cal_sig (ch0_dac_Cal_sig )
,.ch0_dac_Cal_rstn (ch0_dac_Cal_rstn )
,.ch0_dac_Cal_div_rstn(ch0_dac_Cal_div_rstn)
,.ch0_dac_Cal_end (ch0_dac_Cal_end )
,.ch0_dac_Ctrlp (ch0_dac_Ctrlp )
,.ch0_dac_Ctrln (ch0_dac_Ctrln )
//------------------------------Ch0 DC Bias cfg pin----------------------------------------------------
,.ch0_dc_addr (ch0_dc_addr )
,.ch0_dc_dw (ch0_dc_dw )
,.ch0_dc_ref (ch0_dc_ref )
,.ch0_dc_Cal_sig (ch0_dc_Cal_sig )
,.ch0_dc_Cal_rstn (ch0_dc_Cal_rstn )
,.ch0_dc_Cal_div_rstn (ch0_dc_Cal_div_rstn)
,.ch0_dc_Cal_end (ch0_dc_Cal_end )
`ifdef CHANNEL_IS_FOUR
//------------------------------Ch1 DAC cfg pin----------------------------------------------------
,.ch1_dac_addr ()
,.ch1_dac_dw ()
,.ch1_dac_ref ()
,.ch1_dac_Prbs_rst0 ()
,.ch1_dac_Prbs_set0 ()
,.ch1_dac_Prbs_rst1 ()
,.ch1_dac_Prbs_set1 ()
,.ch1_dac_Cal_sig ()
,.ch1_dac_Cal_rstn ()
,.ch1_dac_Cal_div_rstn()
,.ch1_dac_Cal_end ()
,.ch1_dac_Ctrlp ()
,.ch1_dac_Ctrln ()
//------------------------------Ch1 DC Bias cfg pin----------------------------------------------------
,.ch1_dc_addr ()
,.ch1_dc_dw ()
,.ch1_dc_ref ()
,.ch1_dc_Cal_sig ()
,.ch1_dc_Cal_rstn ()
,.ch1_dc_Cal_div_rstn ()
,.ch1_dc_Cal_end ()
//------------------------------Ch2 DAC cfg pin----------------------------------------------------
,.ch2_dac_addr ()
,.ch2_dac_dw ()
,.ch2_dac_ref ()
,.ch2_dac_Prbs_rst0 ()
,.ch2_dac_Prbs_set0 ()
,.ch2_dac_Prbs_rst1 ()
,.ch2_dac_Prbs_set1 ()
,.ch2_dac_Cal_sig ()
,.ch2_dac_Cal_rstn ()
,.ch2_dac_Cal_div_rstn()
,.ch2_dac_Cal_end ()
,.ch2_dac_Ctrlp ()
,.ch2_dac_Ctrln ()
//------------------------------Ch2 DC Bias cfg pin----------------------------------------------------
,.ch2_dc_addr ()
,.ch2_dc_dw ()
,.ch2_dc_ref ()
,.ch2_dc_Cal_sig ()
,.ch2_dc_Cal_rstn ()
,.ch2_dc_Cal_div_rstn ()
,.ch2_dc_Cal_end ()
//------------------------------Ch3 DAC cfg pin----------------------------------------------------
,.ch3_dac_addr ()
,.ch3_dac_dw ()
,.ch3_dac_ref ()
,.ch3_dac_Prbs_rst0 ()
,.ch3_dac_Prbs_set0 ()
,.ch3_dac_Prbs_rst1 ()
,.ch3_dac_Prbs_set1 ()
,.ch3_dac_Cal_sig ()
,.ch3_dac_Cal_rstn ()
,.ch3_dac_Cal_div_rstn()
,.ch3_dac_Cal_end ()
,.ch3_dac_Ctrlp ()
,.ch3_dac_Ctrln ()
//------------------------------Ch3 DC Bias cfg pin----------------------------------------------------
,.ch3_dc_addr ()
,.ch3_dc_dw ()
,.ch3_dc_ref ()
,.ch3_dc_Cal_sig ()
,.ch3_dc_Cal_rstn ()
,.ch3_dc_Cal_div_rstn ()
,.ch3_dc_Cal_end ()
`endif
`ifdef CHANNEL_Z_ON
//------------------------------Ch0 DSP data out----------------------------------------------------
,.ch0_z_DEM_MSB_OUT0 (ch0_z_DEM_MSB_OUT0)
,.ch0_z_DEM_MSB_OUT1 (ch0_z_DEM_MSB_OUT1)
,.ch0_z_DEM_MSB_OUT2 (ch0_z_DEM_MSB_OUT2)
,.ch0_z_DEM_MSB_OUT3 (ch0_z_DEM_MSB_OUT3)
,.ch0_z_DEM_ISB_OUT0 (ch0_z_DEM_ISB_OUT0)
,.ch0_z_DEM_ISB_OUT1 (ch0_z_DEM_ISB_OUT1)
,.ch0_z_DEM_ISB_OUT2 (ch0_z_DEM_ISB_OUT2)
,.ch0_z_DEM_ISB_OUT3 (ch0_z_DEM_ISB_OUT3)
,.ch0_z_DEM_LSB_OUT0 (ch0_z_DEM_LSB_OUT0)
,.ch0_z_DEM_LSB_OUT1 (ch0_z_DEM_LSB_OUT1)
,.ch0_z_DEM_LSB_OUT2 (ch0_z_DEM_LSB_OUT2)
,.ch0_z_DEM_LSB_OUT3 (ch0_z_DEM_LSB_OUT3)
,.ch0_dc_bias_o (ch0_dc_bias_o )
,.ch0_dc_bias_latch (ch0_dc_bias_latch )
`endif
`ifdef CHANNEL_IS_FOUR
//------------------------------Ch1 DSP data out----------------------------------------------------
`ifdef CHANNEL_Z_ON
,.ch1_z_DEM_MSB_OUT0 ( )
,.ch1_z_DEM_MSB_OUT1 ( )
,.ch1_z_DEM_MSB_OUT2 ( )
,.ch1_z_DEM_MSB_OUT3 ( )
,.ch1_z_DEM_ISB_OUT0 ( )
,.ch1_z_DEM_ISB_OUT1 ( )
,.ch1_z_DEM_ISB_OUT2 ( )
,.ch1_z_DEM_ISB_OUT3 ( )
,.ch1_z_DEM_LSB_OUT0 ( )
,.ch1_z_DEM_LSB_OUT1 ( )
,.ch1_z_DEM_LSB_OUT2 ( )
,.ch1_z_DEM_LSB_OUT3 ( )
,.ch1_dc_bias_o ( )
,.ch1_dc_bias_latch ( )
`endif
//------------------------------Ch2 DSP data out----------------------------------------------------
`ifdef CHANNEL_Z_ON
,.ch2_z_DEM_MSB_OUT0 ( )
,.ch2_z_DEM_MSB_OUT1 ( )
,.ch2_z_DEM_MSB_OUT2 ( )
,.ch2_z_DEM_MSB_OUT3 ( )
,.ch2_z_DEM_ISB_OUT0 ( )
,.ch2_z_DEM_ISB_OUT1 ( )
,.ch2_z_DEM_ISB_OUT2 ( )
,.ch2_z_DEM_ISB_OUT3 ( )
,.ch2_z_DEM_LSB_OUT0 ( )
,.ch2_z_DEM_LSB_OUT1 ( )
,.ch2_z_DEM_LSB_OUT2 ( )
,.ch2_z_DEM_LSB_OUT3 ( )
,.ch2_dc_bias_o ( )
,.ch2_dc_bias_latch ( )
`endif
//------------------------------Ch3 DSP data out----------------------------------------------------
`ifdef CHANNEL_Z_ON
,.ch3_z_DEM_MSB_OUT0 ( )
,.ch3_z_DEM_MSB_OUT1 ( )
,.ch3_z_DEM_MSB_OUT2 ( )
,.ch3_z_DEM_MSB_OUT3 ( )
,.ch3_z_DEM_ISB_OUT0 ( )
,.ch3_z_DEM_ISB_OUT1 ( )
,.ch3_z_DEM_ISB_OUT2 ( )
,.ch3_z_DEM_ISB_OUT3 ( )
,.ch3_z_DEM_LSB_OUT0 ( )
,.ch3_z_DEM_LSB_OUT1 ( )
,.ch3_z_DEM_LSB_OUT2 ( )
,.ch3_z_DEM_LSB_OUT3 ( )
,.ch3_dc_bias_o ( )
,.ch3_dc_bias_latch ( )
`endif
`endif
//+++++++++++++++++++++++++++++++++++++++++++++//
// PIN END //
//+++++++++++++++++++++++++++++++++++++++++++++//
);
thermo2binary_top Ch0_0_thermo2binary_top (
.clk ( clk )
,.DEM_MSB_IN ( ch0_z_DEM_MSB_OUT0 )
,.DEM_ISB_IN ( ch0_z_DEM_ISB_OUT0 )
,.DEM_LSB_IN ( ch0_z_DEM_LSB_OUT0 )
,.DOUT ( ch0_z_dsp_dout0 )
);
thermo2binary_top Ch0_1_thermo2binary_top (
.clk ( clk )
,.DEM_MSB_IN ( ch0_z_DEM_MSB_OUT1 )
,.DEM_ISB_IN ( ch0_z_DEM_ISB_OUT1 )
,.DEM_LSB_IN ( ch0_z_DEM_LSB_OUT1 )
,.DOUT ( ch0_z_dsp_dout1 )
);
thermo2binary_top Ch0_2_thermo2binary_top (
.clk ( clk )
,.DEM_MSB_IN ( ch0_z_DEM_MSB_OUT2 )
,.DEM_ISB_IN ( ch0_z_DEM_ISB_OUT2 )
,.DEM_LSB_IN ( ch0_z_DEM_LSB_OUT2 )
,.DOUT ( ch0_z_dsp_dout2 )
);
thermo2binary_top Ch0_3_thermo2binary_top (
.clk ( clk )
,.DEM_MSB_IN ( ch0_z_DEM_MSB_OUT3 )
,.DEM_ISB_IN ( ch0_z_DEM_ISB_OUT3 )
,.DEM_LSB_IN ( ch0_z_DEM_LSB_OUT3 )
,.DOUT ( ch0_z_dsp_dout3 )
);
endmodule

251
spi_tx_rx/tx/tx_sram.v Normal file
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@ -0,0 +1,251 @@
// Relese History
// Version Date Author Description
// 0.3 2024-05-29 ZYZ
//-----------------------------------------------------------------------------------------------------------------
// Keywords : connect spi-master
//
//-----------------------------------------------------------------------------------------------------------------
// Parameter :
// cmd[31:0] form:
// form-v0.2 {WR ,RSV ,ID ,ADDR}
// [31] [30] [29:25] [24:0]
//
// form-v0.3 {WR ,ADDR ,ID ,RSV}
// [31] [30:6] [5:1] [0]
//
// form-v0.2 is defined by design , it has len[31:0];
// form-v0.3 is produced by spi interface ,it doesn't have len[31:0];
//
// size : 256K
//-----------------------------------------------------------------------------------------------------------------
// Purpose :
//
//-----------------------------------------------------------------------------------------------------------------
// Target Device:
// Tool versions:
//-----------------------------------------------------------------------------------------------------------------
// Reuse Issues
// Reset Strategy:
// Clock Domains:
// Critical Timing:
// Asynchronous I/F:
// Synthesizable (y/n):
// Other:
//-FHDR--------------------------------------------------------------------------------------------------------
module tx_sram(
input clk,
input rstn,
(* mark_debug="true" *)input [31:0] dina,
(* mark_debug="true" *)input [15:0] data_length,
output [31:0] Nlen,
output [4 :0] chip_ID,
output [24:0] address,
output [31:0] data_out,
(* mark_debug="true" *)output wr_en,
(* mark_debug="true" *)output rd_en,
(* mark_debug="true" *)input WREADY,
(* mark_debug="true" *)input RREADY,
output data_done_all,
output data_out_per
);
parameter width = 32 ;
parameter depth = 65536 ;
//=================================================
function integer clog2(input integer depth);
begin
for(clog2=0;depth>0;clog2=clog2+1)
depth =depth>>1;
end
endfunction
//=================================================
localparam aw = clog2(depth-1);
//=================================================
//wr&rd address
(* mark_debug="true" *) reg [aw-1:0]cnta ;
(* mark_debug="true" *) reg [aw-1:0]cntb ;
(* mark_debug="true" *) wire ena ;
(* mark_debug="true" *) wire enb ;
(* mark_debug="true" *) wire full ;
(* mark_debug="true" *) wire [31:0] doutb;
//current len of data ,initial value is 0
(* mark_debug="true" *) reg [31:0]len_current ;
//cmd
(* mark_debug="true" *) reg cmd_s ;
(* mark_debug="true" *) reg [4:0] chip_ID_reg ;
(* mark_debug="true" *)reg [24:0]address_reg ;
always@(posedge clk or negedge rstn)begin
if(!rstn)begin
cmd_s <= 1'b0;
chip_ID_reg <= 5'b0;
address_reg <= 25'b0;
end
else if(cntb == len_current + 2'd1)begin
cmd_s <= doutb[31];
chip_ID_reg <= doutb[5:1];
address_reg <= doutb[30:6];
end
else begin
cmd_s <= cmd_s;
chip_ID_reg <= chip_ID_reg;
address_reg <= address_reg;
end
end
assign chip_ID = chip_ID_reg;
assign address = address_reg;
//len of data_out
(* mark_debug="true" *) reg [31:0]len_reg ;
always@(posedge clk or negedge rstn)begin
if(!rstn)begin
len_reg <= 32'b0;
end
else if(cntb == len_current + 2'd2)begin
len_reg <= doutb ;
end
else begin
len_reg <= len_reg;
end
end
assign Nlen = len_reg;
//data_out
(* mark_debug="true" *) reg [31:0]data_out_reg ;
(* mark_debug="true" *) wire data_out_en ;
always@(posedge clk or negedge rstn)begin
if(!rstn)begin
data_out_reg <= 32'b0;
end
else if(data_out_en)begin
data_out_reg <= doutb ;
end
else begin
data_out_reg <= 32'b0;
end
end
reg data_out_en_r1;
always@(posedge clk or negedge rstn)begin
if(!rstn)begin
data_out_en_r1 <= 1'b0;
end
else begin
data_out_en_r1 <= data_out_en;
end
end
assign data_out = data_out_reg;
assign data_out_en = (cntb >= len_current + 2'd3) & (cntb <= len_current + len_reg + 2'd2);
//signal send to spi_master
assign wr_en = !cmd_s & data_out_en_r1;
assign rd_en = cmd_s & data_out_en_r1;
//signal send to PC
assign data_out_per = (cntb == len_current + 3'd3 ) ? 1'b1 : 1'b0;
assign data_done_all = (cntb == data_length-1'b1 | cnta == data_length - 1'b1) ? 1'b1 : 1'b0;
//the time ready for writing data and updata len_current
reg [2:0] wready_reg;
always @(posedge clk or negedge rstn)
begin
if(!rstn ) begin
wready_reg <= 3'b0;
end
else begin
wready_reg <= {wready_reg[1:0],WREADY};
end
end
assign wready_posedge = wready_reg[1:0] == 2'b01 ? 1'b1 : 1'b0;
//updata len_current and cntb
always@(posedge clk or negedge rstn)begin
if(!rstn)begin
len_current <= 32'b0;
end
else if( wready_posedge & len_reg != 0)begin
len_current <= len_current + len_reg + 2'd2 ;
end
else begin
len_current <= len_current;
end
end
//write address: addra
//read address: addrb
always @(posedge clk or negedge rstn)
begin
if(!rstn) begin
cnta <= 'hffff;
end
else if(ena) begin
cnta <= cnta + 1'b1;
end
else
cnta <= cnta ;
end
always @(posedge clk or negedge rstn)
begin
if(!rstn ) begin
cntb <= 'h0 ;
end
else if(enb) begin
cntb <= cntb + 1'b1;
end
else if(wready_posedge & len_reg != 0) begin
cntb <= cntb - 1'b1 ; // better solution?
end
else begin
cntb <= cntb;
end
end
assign full = (cnta+1'b1 <= data_length )? 1'b0 : 1'b1 ;
assign ena = !full;
assign enb = full & (cntb <= data_length ) & WREADY & (cntb <= len_current + len_reg + 2'd2);
/*
blk_mem_gen_0 blk_mem_gen_0_inst(
.clka(clk),
.ena(1'b1),
.wea(ena),
.dina(dina),
.addra(cnta),
.clkb(clk),
.enb(enb),
.doutb(doutb),
.addrb(cntb)
);
*/
spram_model #(
.width(width),
.depth(depth)
)spram_inst(
.clka(clk),
.ena(~ena),
.dina(dina),
.addra(cnta),
.clkb(clk),
.enb(~enb),
.doutb(doutb),
.addrb(cntb)
);
endmodule