spi 功能测试通过,资源不足

qei 防跳变
This commit is contained in:
RuigeLee
2024-06-27 18:47:46 +08:00
parent eca0931fa3
commit 5090294a12
6 changed files with 454 additions and 44 deletions

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@@ -19,6 +19,7 @@ back:
cp ./src/main/verilog/di16_top.v ./generated/back/
cp ./src/main/verilog/do16_top.v ./generated/back/
cp ./src/main/verilog/qei_top.v ./generated/back/
cp ./src/main/verilog/spi_top.v ./generated/back/
cp ./src/main/verilog/defineParam.v ./generated/back/

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@@ -136,21 +136,24 @@ class Qei extends BackBoardSlvLocal with BackBoardSlvStatusPR with BackBoardSlvQ
}
val cntLatch = for( i <- 0 until 2 ) yield { RegEnable(counter(i), ~RegNext(io.lvdsSlv.upstream_tx_data_ready, false.B) & io.lvdsSlv.upstream_tx_data_ready ) }
when( statusPage === 0.U ){
upReg(2) := Cat( isSign(0), invDirect(0), mode(0), isSetVal(0), is2Phase(0), isZPhaseEnable(0), isEnable(0) )
upReg(3) := 0.U
upReg(4) := Cat( isSign(1), invDirect(1), mode(1), isSetVal(1), is2Phase(1), isZPhaseEnable(1), isEnable(1) )
upReg(5) := 0.U
upReg(6) := counter(0)(7,0)
upReg(7) := counter(0)(15,8)
upReg(8) := counter(0)(23,16)
upReg(9) := counter(0)(31,24)
upReg(6) := cntLatch(0)(7,0)
upReg(7) := cntLatch(0)(15,8)
upReg(8) := cntLatch(0)(23,16)
upReg(9) := cntLatch(0)(31,24)
upReg(10) := counter(1)(7,0)
upReg(11) := counter(1)(15,8)
upReg(12) := counter(1)(23,16)
upReg(13) := counter(1)(31,24)
upReg(10) := cntLatch(1)(7,0)
upReg(11) := cntLatch(1)(15,8)
upReg(12) := cntLatch(1)(23,16)
upReg(13) := cntLatch(1)(31,24)
}
}

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@@ -0,0 +1,113 @@
package BACK
import chisel3._
import chisel3.util._
trait BackBoardSpiSlv{ this: BackBoardSlvLocal =>
def page: Int
val sck = Wire(Bool())
val mosi = Wire(Bool())
val csn = Wire(Bool())
val clk100M = Wire(Bool())
val localReg = for( i <- 0 until page ) yield {Reg(Vec(31, UInt(8.W)))}
val localUpdate = RegInit(0.U(16.W))
val shiftSCK = withClockAndReset( clk100M.asClock, reset ){ ShiftRegisters(sck, 3, false.B, true.B) }
val shiftCSn = withClockAndReset( clk100M.asClock, reset ){ ShiftRegisters(csn, 3, true.B, true.B) }
val shiftMOSI = withClockAndReset( clk100M.asClock, reset ){ ShiftRegisters(mosi, 3) }
val isSckPosedge = ~shiftSCK(2) & shiftSCK(1)
val isSckNegedge = shiftSCK(2) & ~shiftSCK(1)
val exReg_100M = withClockAndReset( clk100M.asClock, reset ){ Reg(UInt((8*31).W)) }
val cmd_100M = withClockAndReset( clk100M.asClock, reset ){ Reg(UInt(8.W)) }
val pageSel = cmd_100M(7,4)
val spiCmd = cmd_100M(3,0)
val localPage = PriorityMux( ( 0 until page ).map{ i => ( i.U === pageSel ) -> localReg(i) } )
val cnt_100M = withClockAndReset( clk100M.asClock, reset ){ Reg(UInt(4.W)) }
// val misoReg = withClockAndReset( clk100M.asClock, reset ){ Reg(Bool()) }
withClockAndReset( clk100M.asClock, reset ){//100M
when( shiftCSn(2) & ~shiftCSn(1) ){
cnt_100M := 0.U
// misoReg := false.B
} .elsewhen( isSckPosedge & ~shiftCSn(1) & cnt_100M < 8.U ){
cmd_100M := Cat( cmd_100M(6,0), shiftMOSI(1) )
cnt_100M := cnt_100M + 1.U
} .elsewhen( isSckNegedge & ~shiftCSn(1) & cnt_100M === 8.U ){
exReg_100M := Mux( spiCmd.extract(1), Cat( localUpdate, 0.U((8*29).W) ), Cat( localPage.reverse) )
cnt_100M := cnt_100M + 1.U
} .elsewhen( isSckPosedge & ~shiftCSn(1) & cnt_100M === 9.U ){
// misoReg := exReg_100M.extract(exReg_100M.getWidth-1)
exReg_100M := Cat( exReg_100M(exReg_100M.getWidth-2 ,0), shiftMOSI(1) )
}
}
}
class SpiSlv extends BackBoardSlvLocal
with BackBoardSlvStatusPR
with BackBoardSpiSlv{
def page: Int = 1
val spi = IO(new Bundle{
val sck = Input(Bool())
val mosi = Input(Bool())
val miso = Output(Bool())
val csn = Input(Bool())
})
val clk100MIO = IO(Input(Bool()))
sck := spi.sck
mosi := spi.mosi
csn := spi.csn
spi.miso := exReg_100M.extract(exReg_100M.getWidth-1)
clk100M := clk100MIO
val shiftCSn_10M = ShiftRegisters(csn, 3, true.B, true.B)
for( i <- 0 until page ){
when( isCrcPass ){
when( downRegTemp(0)(3,0) === i.U ){
localUpdate := localUpdate & ~( 1.U << i )
for( j <- 1 until 32 ) {
localReg(i)(j-1) := downRegTemp(j)
}
}
} .elsewhen( ~shiftCSn_10M(2) & shiftCSn_10M(1) & spiCmd === 1.U ){
when( i.U === pageSel ){
for( j <- 0 until 31 ) {
localReg(i)(30-j) := exReg_100M(8*j+7,8*j)
}
}
} .elsewhen( ~shiftCSn_10M(2) & shiftCSn_10M(1) & spiCmd === 3.U ){
localUpdate := localUpdate & (~exReg_100M(15,0))
}
when( statusPage === i.U ){
for( j <- 1 until 32 ) {
upReg(j) := localReg(i)(j-1)
}
}
}
}

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@@ -1,35 +0,0 @@
package BACK
import chisel3._
import chisel3.util._
trait BackBoardSpiSlv{ this: BackBoardSlvLocal =>
val sck = Wire(Bool())
val mosi = Wire(Bool())
val csn = Wire(Bool())
val clk100M = Wire(Bool())
val shiftSCK = withClockAndReset( clk100M.asClock, reset ){ ShiftRegisters(sck, 3, false.B, true.B) }
val shiftCSn = withClockAndReset( clk100M.asClock, reset ){ ShiftRegisters(csn, 3, true.B, true.B) }
val shiftMOSI = withClockAndReset( clk100M.asClock, reset ){ ShiftRegisters(mosi, 3) }
val isSckPosedge = ~shiftSCK(2) & shiftSCK(1)
val isSckNegedge = shiftSCK(2) & ~shiftSCK(1)
val downReg_100M = withClockAndReset( clk100M.asClock, reset ){ Reg(UInt(8*8.W)) }
val upReg_100M = withClockAndReset( clk100M.asClock, reset ){ Reg(UInt(8*8.W)) }
val misoReg = withClockAndReset( clk100M.asClock, reset ){ Reg(Bool()) }
withClockAndReset( clk100M.asClock, reset ){//100M
when( isSckPosedge & shiftCSn(2) ){
misoReg := downReg_100M.extract(0)
downReg_100M := downReg_100M >> 1
upReg_100M := Cat( upReg_100M(8*8-1,1), shiftMOSI(2) )
}
}
}

322
src/main/verilog/spi_top.v Normal file
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@@ -0,0 +1,322 @@
module spi_top(
input clock,
input lvds_up_din_p,
input lvds_up_din_n,
output lvds_up_dout_p,
output lvds_up_dout_n,
input lvds_down_din_p,
input lvds_down_din_n,
output lvds_down_dout_p,
output lvds_down_dout_n,
output isOnline,
input isLast,
input DCIn,
output LED_PR,
input sck,
input mosi,
output miso,
input csn
);
wire clk_400m;
wire clk_400m_a;
wire clk_100m_a;
wire clk_50m_a;
wire clk_10m_a;
wire lock_o;
wire reset_stop;
wire reset_calib;
reg rst_n;
reg rstn_d;
wire resetn;
reg resetn1=1'b1;
wire timeout_rst;
reg timeout_rst_d1;
reg timeout_rst_d2;
reg timeout_rst_d3;
reg timeout_rst_d4;
reg timeout_rst_d5;
reg timeout_rst_d6;
reg timeout_rst_d7;
reg timeout_rst_d8;
reg [3:0] resetCnt = 4'd0;
always @( posedge clock ) begin
if( resetCnt != 4'd15 ) begin
resetCnt <= resetCnt + 4'd1;
end
end
assign resetn = resetCnt == 4'd15;
always@(posedge clock or negedge resetn) begin
if(!resetn) begin
timeout_rst_d1 <= 0;
timeout_rst_d2 <= 0;
timeout_rst_d3 <= 0;
timeout_rst_d4 <= 0;
timeout_rst_d5 <= 0;
timeout_rst_d6 <= 0;
timeout_rst_d7 <= 0;
timeout_rst_d8 <= 0;
end
else begin
timeout_rst_d1 <= timeout_rst;
timeout_rst_d2 <= timeout_rst_d1;
timeout_rst_d3 <= timeout_rst_d2;
timeout_rst_d4 <= timeout_rst_d3;
timeout_rst_d5 <= timeout_rst_d4;
timeout_rst_d6 <= timeout_rst_d5;
timeout_rst_d7 <= timeout_rst_d6;
timeout_rst_d8 <= timeout_rst_d7;
end
end
always @(posedge clock or negedge resetn) begin
if(!resetn) begin
resetn1 <= 1'b1;
end else if((timeout_rst_d3 == 1'b0) && (timeout_rst_d2 == 1'b1)) begin
resetn1 <= 1'b0;
end else if((timeout_rst_d4 == 1'b0) && (timeout_rst_d3 == 1'b1)) begin
resetn1 <= 1'b0;
end else if((timeout_rst_d5 == 1'b0) && (timeout_rst_d4 == 1'b1)) begin
resetn1 <= 1'b0;
end else if((timeout_rst_d6 == 1'b0) && (timeout_rst_d5 == 1'b1)) begin
resetn1 <= 1'b0;
end else if((timeout_rst_d7 == 1'b0) && (timeout_rst_d6 == 1'b1)) begin
resetn1 <= 1'b0;
end else if((timeout_rst_d8 == 1'b0) && (timeout_rst_d7 == 1'b1)) begin
resetn1 <= 1'b0;
end else begin
resetn1 <= 1'b1;
end
end
reg [5:0] delay_io_last=6'b111111;
reg [15:0] counter0=0;
reg clk_en0;
wire isLast_temp;
wire isLast_temp1;
always @(posedge clk_10m_a or negedge resetn) begin
if(!resetn) begin
counter0 <= 16'd0;
clk_en0 <= 1'b0;
end else if(counter0 == 16'd9999) begin
counter0 <= 16'd0;
clk_en0 <= 1'b1;
end else begin
counter0 <= counter0 + 1;
clk_en0 <= 1'b0;
end
end
always @(posedge clk_10m_a or negedge resetn) begin
if(!resetn) begin
delay_io_last <= 6'b111111;
end else if(clk_en0 == 1'b1) begin
delay_io_last[5:1] <= delay_io_last[4:0];
delay_io_last[0] <= isLast;
end
end
assign isLast_temp = &{!delay_io_last[5],!delay_io_last[4],!delay_io_last[3],!delay_io_last[2],!delay_io_last[1]};
assign isLast_temp1 = ~isLast_temp;
Gowin_PLLO Gowin_PLLO(
.lock(lock_o),
.clkouta(clk_400m),
.clkin(clock)
);
TLVDS_OBUF lvds_downstream_out(
.O(lvds_down_dout_p),
.OB(lvds_down_dout_n),
.I(lvds_down_dout)
);
TLVDS_IBUF lvds_downstream_in(
.O(lvds_down_din),
.I(lvds_down_din_p),
.IB(lvds_down_din_n)
);
TLVDS_OBUF lvds_upstream_out(
.O(lvds_up_dout_p),
.OB(lvds_up_dout_n),
.I(lvds_up_dout)
);
TLVDS_IBUF lvds_upstream_in(
.O(lvds_up_din),
.I(lvds_up_din_p),
.IB(lvds_up_din_n)
);
DHCEN dhcen_inst2 (
.CLKIN(clk_400m),
.CE(reset_stop),
.CLKOUT(clk_400m_a)
);
//reset sync module, all the IDES/OSER and related CLKDIV MUST be reset by this module
oser_rst u_oser_rst(
.clk_in(clock), // or any other speed comparble with fabric, DO NOT use HCLK as fabric cannot work at so high speed.
.rst_n(resetn && resetn1),
.pll_lock(lock_o), // trigged by PLL Lock
.reset_stop(reset_stop), // for DHCEN CE
.reset_calib(reset_calib), // for IDES and CLKDIV reset
.set_calib(),
.ready()
);
defparam Inst4_CLKDIVC.DIV_MODE="4";
defparam Inst4_CLKDIVC.GSREN="false";
CLKDIV Inst4_CLKDIVC(
.RESETN (~reset_calib),
.HCLKIN (clk_400m_a),
.CALIB (1'b0 ),
.CLKOUT (clk_100m_a)
);
defparam Inst2_CLKDIVC.DIV_MODE="2";
defparam Inst2_CLKDIVC.GSREN="false";
CLKDIV Inst2_CLKDIVC(
.RESETN (~reset_calib),
.HCLKIN (clk_100m_a),
.CALIB (1'b0 ),
.CLKOUT (clk_50m_a)
);
defparam Inst5_CLKDIVC.DIV_MODE="5";
defparam Inst5_CLKDIVC.GSREN="false";
CLKDIV Inst5_CLKDIVC(
.RESETN (~reset_calib),
.HCLKIN (clk_50m_a),
.CALIB (1'b0 ),
.CLKOUT (clk_10m_a)
);
wire [7:0] downstream_rx_data_out;
wire downstream_rx_data_valid;
wire downstream_rx_crc_valid;
wire downstream_rx_crc_err;
wire upstream_tx_data_ready;
wire [7:0] upstream_tx_data_in;
wire downstream_rx_cdr_err;
wire upstream_rx_cdr_err;
lvds_bus_slave_top i_lvds_bus_slave(
.rst_n(resetn && resetn1),
.reset_calib(reset_calib),
.oser_pclk(clk_10m_a),
.oser_fclk(clk_50m_a),
.ides_pclk(clk_100m_a),
.ides_fclk(clk_400m_a),
.timeout_rst(timeout_rst), //add 240523
.lvds_down_din(lvds_down_din),
.lvds_down_dout(lvds_down_dout),
.lvds_up_din(lvds_up_din),
.lvds_up_dout(lvds_up_dout),
.downstream_rx_data_valid(downstream_rx_data_valid),
.downstream_rx_unicast_pkg_valid(),
.downstream_rx_data_out(downstream_rx_data_out),
.downstream_rx_crc_valid(downstream_rx_crc_valid),
.downstream_rx_crc_err(downstream_rx_crc_err),
.downstream_rx_crc_err_counter(),
.downstream_rx_cdr_err(downstream_rx_cdr_err),
.downstream_sync(),
.upstream_tx_data_ready(upstream_tx_data_ready),
.upstream_tx_unicast_pkg_ready(),
.upstream_tx_data_in(upstream_tx_data_in),
.upstream_rx_crc_valid(),
.upstream_rx_crc_err(),
.upstream_rx_crc_err_counter(),
.upstream_rx_cdr_err(upstream_rx_cdr_err),
.local_slave_id(),
.test_downstream_rx_10b_data(),
.test_downstream_rx_8b_data(),
.test_downstream_rx_state_machine(),
.test_downstream_tx_en(),
.test_downstream_tx_8b_data(),
.test_downstream_tx_10b_data(),
.test_upstream_rx_10b_data(),
.test_upstream_rx_8b_data(),
.test_upstream_rx_state_machine(),
.test_upstream_tx_en(),
.test_upstream_tx_8b_data(),
.test_upstream_tx_10b_data()
);
SpiSlv i_spiSlv(
.reset(~resetn),
.clock(clk_10m_a),
.io_isOnline(isOnline),
.io_isLast(isLast_temp1),
.io_DCIn(DCIn),
.param_vendorID(`VENDORID),
.param_moduleID(`MODULEID),
.param_hwVersion(`HWVERSION),
.param_swVersion(`SWVERSION),
.param_serial(`SERIAL),
.io_lvdsSlv_downstream_rx_data_out(downstream_rx_data_out),
.io_lvdsSlv_downstream_rx_data_valid(downstream_rx_data_valid),
.io_lvdsSlv_downstream_rx_crc_valid(downstream_rx_crc_valid),
.io_lvdsSlv_downstream_rx_crc_err(downstream_rx_crc_err),
.io_lvdsSlv_upstream_tx_data_ready(upstream_tx_data_ready),
.io_lvdsSlv_upstream_tx_data_in(upstream_tx_data_in),
.io_lvdsSlv_downstream_rx_cdr_err(downstream_rx_cdr_err),
.io_lvdsSlv_upstream_rx_cdr_err(upstream_rx_cdr_err),
.LED_PR(LED_PR),
.spi_sck(sck),
.spi_mosi(mosi),
.spi_miso(miso),
.spi_csn(csn),
.clk100MIO(clk_100m_a)
);
endmodule

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@@ -33,6 +33,12 @@ object testModule extends App {
ChiselGeneratorAnnotation(() => { new Qei })
))
(new chisel3.stage.ChiselStage).execute( Array("--target-dir", "generated/back/", "-E", "verilog" ) ++ args, Seq(
ChiselGeneratorAnnotation(() => { new SpiSlv })
))
// (new chisel3.stage.ChiselStage).execute( Array("--target-dir", "generated/", "-E", "verilog" ) ++ args, Seq(
// ChiselGeneratorAnnotation(() => { new BackPlaneChainTest })
// ))