[[I2Cデバイスを手で動かしてみる]] * Vivado または ISEで以下の verilog を入力 [#p3bd8c82] - verilog -- top.v module top(sSegAnode, sSegCathode, sw, led, cled1, cled2, bu, bd, bl, br, bc, scl, sda, bclck ); output [7:0] sSegAnode; output [7:0] sSegCathode; output [15:0] led; // led[8] ... if sda is sending, corresponding to the last sended sda, else corresponding to the last received sda // it is shifted to left when a positive edge of scl is detected. // led[0] corresponding to sw[0] // led[1] corresponding to sw[1] // led[2] corresponsing to center button, bc. output [2:0] cled1, cled2; input [15:0] sw; // sw[15:8] ... for setting sda send data, sw[7:0] ... for controlling // sw[0] ... if 1 sda is high=Z=high impedance, else low; input bu, bd, bl, br, bc, bclck; // bd corresponding to !reset. // bc corresponding to scl. scl=sw[0]|bc // if posedge bl is detected, sw is shown in hex in the 7seg led array. inout scl, sda; wire BNx, BWx, BEx, BCx; wire [7:0] swx; wire reset; wire sclRw, sdaRw; // write=1, read=0; reg [7:0] data; assign led[15:8]=data; assign led[7:0]=swx; assign reset=~bd; assign scl=BCx?1'bz:1'b0; assign cled1[2]=scl; assign sda=(swx[0])?1'bz:1'b0; assign cled2[2]=sda; always @(posedge scl, negedge reset) begin if(!reset) data<=0; else data<={data[6:0],sda}; end chattering #(12) chattering0(.clk(bclck), .reset(reset), .in({bu,bl,br,bc,sw[7:0]}), .out({BNx, BWx, BEx, BCx,swx})); // assign BNx=BN; // assign BWx=BW; // assign BEx=BE; // assign BCx=BC; sSegArray sSegArray0(.clk(bclck), .reset(reset), .load(1), .d({data,swx}), .anode(sSegAnode), .cathode(sSegCathode)); endmodule -- chattering.v module chattering(clk, reset, in, out ); parameter N=1; input clk, reset; input [N-1:0]in; output [N-1:0]out; reg [N-1:0]out; reg [21:0] count; always @(posedge clk or negedge reset) if(!reset) count <=0; else count <= count +1; always @(posedge clk) if(count==0) out <= in; endmodule -- sSegArray.v module sSegArray( clk,reset,load,d, anode, cathode ); parameter N=32; input clk,reset,load; input [N-1:0] d; output [7:0] anode; output [7:0] cathode; reg [7:0] anode; reg [7:0] cathode; reg [31:0] q; wire [2:0] selectedSeg; wire [7:0] wOneSeg; reg segClk; counter #(8) waitOneSeg(.clk(clk), .reset(reset), .load(0), .inc(1), .d(16'h0000), .q(wOneSeg)); //assign segClk= (wOneSeg==0)? ~segClk: segClk; always @(posedge clk, negedge reset) begin if(!reset) segClk<=0; else if (wOneSeg==0) segClk<=~segClk; end counter #(3) selector(.clk(segClk),.reset(reset),.load(0), .inc(1), .d(4'h0), .q(selectedSeg)); //counter #(3) selector(.clk(clk), .reset(reset), .load(0), .inc(1), .d(4'h0), .q(selectedSeg)); always @(posedge clk, negedge reset) begin if(!reset) anode=8'hFE; // note! anode is connected by pnp transistor. else // in order to active one 7seg, low should be setted to the 7seg. case (selectedSeg) 3'b000: anode=8'hFE; 3'b001: anode=8'hFD; 3'b010: anode=8'hFB; 3'b011: anode=8'hF7; 3'b100: anode=8'hEF; 3'b101: anode=8'hDF; 3'b110: anode=8'hBF; 3'b111: anode=8'h7F; endcase end reg [3:0] selectedVal; always @(posedge clk, negedge reset) begin if(!reset) cathode=8'h03; // note! when one segment of the cathode is low, else // and its anode is low, the segment glow. case (selectedVal) // ca 4'b0000: cathode=8'h03; //8'hfc; 0 ------ 4'b0001: cathode=8'h9f; //8'h60; 1 / / 4'b0010: cathode=8'h25; //8'hda; 2 /cf / cb 4'b0011: cathode=8'h0d; //8'hf2; 3 / / 4'b0100: cathode=8'h99; //8'h66; 4 ----- 4'b0101: cathode=8'h49; //8'hb6; 5 / cg / 4'b0110: cathode=8'h41; //8'hbe; 6 /ce / cc 4'b0111: cathode=8'h1f; //8'he0; 7 / / 4'b1000: cathode=8'h01; //8'hfe; 8 ------ . ch 4'b1001: cathode=8'h09; //8'hf6; 9 cd 4'b1010: cathode=8'h11; //8'hee; A 4'b1011: cathode=8'hc1; //8'h3e; B 4'b1100: cathode=8'h63; //8'h9c; C 4'b1101: cathode=8'h85; //8'h7c; D 4'b1110: cathode=8'h61; //8'h9e; E 4'b1111: cathode=8'h71; //8'h8e; F endcase end always @(posedge clk, negedge reset) begin if(!reset) selectedVal=q[3:0]; else case (selectedSeg) 3'b000: selectedVal=q[3:0]; 3'b001: selectedVal=q[7:4]; 3'b010: selectedVal=q[11:8]; 3'b011: selectedVal=q[15:12]; 3'b100: selectedVal=q[19:16]; 3'b101: selectedVal=q[23:20]; 3'b110: selectedVal=q[27:24]; 3'b111: selectedVal=q[31:28]; endcase end always @(posedge clk, negedge reset) begin if(!reset) q=0; else if(load) q=d; end endmodule -- counter.v module counter(clk, reset, load, inc, d, q ); parameter N=16; input clk, reset, load, inc; input [N-1:0] d; output [N-1:0] q; reg [N-1:0] q; always @(posedge clk or negedge reset) if(!reset) q <=0; else if(load) q<=d; else if(inc) q<=q+1; endmodule -- top.xdc (Vivadoの場合) ## Clock signal ##Bank = 35, Pin name = IO_L12P_T1_MRCC_35, Sch name = CLK100MHZ set_property PACKAGE_PIN E3 [get_ports bclck] set_property IOSTANDARD LVCMOS33 [get_ports bclck] # create_clock -add -name sys_clk_pin -period 10.00 -waveform {0 5} [get_ports bclk] ## Switches ##Bank = 34, Pin name = IO_L21P_T3_DQS_34, Sch name = SW0 set_property PACKAGE_PIN U9 [get_ports {sw[0]}] set_property IOSTANDARD LVCMOS33 [get_ports {sw[0]}] ##Bank = 34, Pin name = IO_25_34, Sch name = SW1 set_property PACKAGE_PIN U8 [get_ports {sw[1]}] set_property IOSTANDARD LVCMOS33 [get_ports {sw[1]}] ##Bank = 34, Pin name = IO_L23P_T3_34, Sch name = SW2 set_property PACKAGE_PIN R7 [get_ports {sw[2]}] set_property IOSTANDARD LVCMOS33 [get_ports {sw[2]}] ##Bank = 34, Pin name = IO_L19P_T3_34, Sch name = SW3 set_property PACKAGE_PIN R6 [get_ports {sw[3]}] set_property IOSTANDARD LVCMOS33 [get_ports {sw[3]}] ##Bank = 34, Pin name = IO_L19N_T3_VREF_34, Sch name = SW4 set_property PACKAGE_PIN R5 [get_ports {sw[4]}] set_property IOSTANDARD LVCMOS33 [get_ports {sw[4]}] ##Bank = 34, Pin name = IO_L20P_T3_34, Sch name = SW5 set_property PACKAGE_PIN V7 [get_ports {sw[5]}] set_property IOSTANDARD LVCMOS33 [get_ports {sw[5]}] ##Bank = 34, Pin name = IO_L20N_T3_34, Sch name = SW6 set_property PACKAGE_PIN V6 [get_ports {sw[6]}] set_property IOSTANDARD LVCMOS33 [get_ports {sw[6]}] ##Bank = 34, Pin name = IO_L10P_T1_34, Sch name = SW7 set_property PACKAGE_PIN V5 [get_ports {sw[7]}] set_property IOSTANDARD LVCMOS33 [get_ports {sw[7]}] ##Bank = 34, Pin name = IO_L8P_T1-34, Sch name = SW8 set_property PACKAGE_PIN U4 [get_ports {sw[8]}] set_property IOSTANDARD LVCMOS33 [get_ports {sw[8]}] ##Bank = 34, Pin name = IO_L9N_T1_DQS_34, Sch name = SW9 set_property PACKAGE_PIN V2 [get_ports {sw[9]}] set_property IOSTANDARD LVCMOS33 [get_ports {sw[9]}] ##Bank = 34, Pin name = IO_L9P_T1_DQS_34, Sch name = SW10 set_property PACKAGE_PIN U2 [get_ports {sw[10]}] set_property IOSTANDARD LVCMOS33 [get_ports {sw[10]}] ##Bank = 34, Pin name = IO_L11N_T1_MRCC_34, Sch name = SW11 set_property PACKAGE_PIN T3 [get_ports {sw[11]}] set_property IOSTANDARD LVCMOS33 [get_ports {sw[11]}] ##Bank = 34, Pin name = IO_L17N_T2_34, Sch name = SW12 set_property PACKAGE_PIN T1 [get_ports {sw[12]}] set_property IOSTANDARD LVCMOS33 [get_ports {sw[12]}] ##Bank = 34, Pin name = IO_L11P_T1_SRCC_34, Sch name = SW13 set_property PACKAGE_PIN R3 [get_ports {sw[13]}] set_property IOSTANDARD LVCMOS33 [get_ports {sw[13]}] ##Bank = 34, Pin name = IO_L14N_T2_SRCC_34, Sch name = SW14 set_property PACKAGE_PIN P3 [get_ports {sw[14]}] set_property IOSTANDARD LVCMOS33 [get_ports {sw[14]}] ##Bank = 34, Pin name = IO_L14P_T2_SRCC_34, Sch name = SW15 set_property PACKAGE_PIN P4 [get_ports {sw[15]}] set_property IOSTANDARD LVCMOS33 [get_ports {sw[15]}] ## LEDs ##Bank = 34, Pin name = IO_L24N_T3_34, Sch name = LED0 set_property PACKAGE_PIN T8 [get_ports {led[0]}] set_property IOSTANDARD LVCMOS33 [get_ports {led[0]}] ##Bank = 34, Pin name = IO_L21N_T3_DQS_34, Sch name = LED1 set_property PACKAGE_PIN V9 [get_ports {led[1]}] set_property IOSTANDARD LVCMOS33 [get_ports {led[1]}] ##Bank = 34, Pin name = IO_L24P_T3_34, Sch name = LED2 set_property PACKAGE_PIN R8 [get_ports {led[2]}] set_property IOSTANDARD LVCMOS33 [get_ports {led[2]}] ##Bank = 34, Pin name = IO_L23N_T3_34, Sch name = LED3 set_property PACKAGE_PIN T6 [get_ports {led[3]}] set_property IOSTANDARD LVCMOS33 [get_ports {led[3]}] ##Bank = 34, Pin name = IO_L12P_T1_MRCC_34, Sch name = LED4 set_property PACKAGE_PIN T5 [get_ports {led[4]}] set_property IOSTANDARD LVCMOS33 [get_ports {led[4]}] ##Bank = 34, Pin name = IO_L12N_T1_MRCC_34, Sch name = LED5 set_property PACKAGE_PIN T4 [get_ports {led[5]}] set_property IOSTANDARD LVCMOS33 [get_ports {led[5]}] ##Bank = 34, Pin name = IO_L22P_T3_34, Sch name = LED6 set_property PACKAGE_PIN U7 [get_ports {led[6]}] set_property IOSTANDARD LVCMOS33 [get_ports {led[6]}] ##Bank = 34, Pin name = IO_L22N_T3_34, Sch name = LED7 set_property PACKAGE_PIN U6 [get_ports {led[7]}] set_property IOSTANDARD LVCMOS33 [get_ports {led[7]}] ##Bank = 34, Pin name = IO_L10N_T1_34, Sch name = LED8 set_property PACKAGE_PIN V4 [get_ports {led[8]}] set_property IOSTANDARD LVCMOS33 [get_ports {led[8]}] ##Bank = 34, Pin name = IO_L8N_T1_34, Sch name = LED9 set_property PACKAGE_PIN U3 [get_ports {led[9]}] set_property IOSTANDARD LVCMOS33 [get_ports {led[9]}] ##Bank = 34, Pin name = IO_L7N_T1_34, Sch name = LED10 set_property PACKAGE_PIN V1 [get_ports {led[10]}] set_property IOSTANDARD LVCMOS33 [get_ports {led[10]}] ##Bank = 34, Pin name = IO_L17P_T2_34, Sch name = LED11 set_property PACKAGE_PIN R1 [get_ports {led[11]}] set_property IOSTANDARD LVCMOS33 [get_ports {led[11]}] ##Bank = 34, Pin name = IO_L13N_T2_MRCC_34, Sch name = LED12 set_property PACKAGE_PIN P5 [get_ports {led[12]}] set_property IOSTANDARD LVCMOS33 [get_ports {led[12]}] ##Bank = 34, Pin name = IO_L7P_T1_34, Sch name = LED13 set_property PACKAGE_PIN U1 [get_ports {led[13]}] set_property IOSTANDARD LVCMOS33 [get_ports {led[13]}] ##Bank = 34, Pin name = IO_L15N_T2_DQS_34, Sch name = LED14 set_property PACKAGE_PIN R2 [get_ports {led[14]}] set_property IOSTANDARD LVCMOS33 [get_ports {led[14]}] ##Bank = 34, Pin name = IO_L15P_T2_DQS_34, Sch name = LED15 set_property PACKAGE_PIN P2 [get_ports {led[15]}] set_property IOSTANDARD LVCMOS33 [get_ports {led[15]}] ##Bank = 34, Pin name = IO_L5P_T0_34, Sch name = LED16_R set_property PACKAGE_PIN K5 [get_ports {cled1[2]}] set_property IOSTANDARD LVCMOS33 [get_ports {cled1[2]}] ##Bank = 15, Pin name = IO_L5P_T0_AD9P_15, Sch name = LED16_G set_property PACKAGE_PIN F13 [get_ports {cled1[1]}] set_property IOSTANDARD LVCMOS33 [get_ports {cled1[1]}] ##Bank = 35, Pin name = IO_L19N_T3_VREF_35, Sch name = LED16_B set_property PACKAGE_PIN F6 [get_ports {cled1[0]}] set_property IOSTANDARD LVCMOS33 [get_ports {cled1[0]}] ##Bank = 34, Pin name = IO_0_34, Sch name = LED17_R set_property PACKAGE_PIN K6 [get_ports {cled2[2]}] set_property IOSTANDARD LVCMOS33 [get_ports {cled2[2]}] ##Bank = 35, Pin name = IO_24P_T3_35, Sch name = LED17_G set_property PACKAGE_PIN H6 [get_ports {cled2[1]}] set_property IOSTANDARD LVCMOS33 [get_ports {cled2[1]}] ##Bank = CONFIG, Pin name = IO_L3N_T0_DQS_EMCCLK_14, Sch name = LED17_B set_property PACKAGE_PIN L16 [get_ports {cled2[0]}] set_property IOSTANDARD LVCMOS33 [get_ports {cled2[0]}] ##7 segment display ##Bank = 34, Pin name = IO_L2N_T0_34, Sch name = CA set_property PACKAGE_PIN L3 [get_ports {sSegCathode[7]}] set_property IOSTANDARD LVCMOS33 [get_ports {sSegCathode[7]}] ##Bank = 34, Pin name = IO_L3N_T0_DQS_34, Sch name = CB set_property PACKAGE_PIN N1 [get_ports {sSegCathode[6]}] set_property IOSTANDARD LVCMOS33 [get_ports {sSegCathode[6]}] ##Bank = 34, Pin name = IO_L6N_T0_VREF_34, Sch name = CC set_property PACKAGE_PIN L5 [get_ports {sSegCathode[5]}] set_property IOSTANDARD LVCMOS33 [get_ports {sSegCathode[5]}] ##Bank = 34, Pin name = IO_L5N_T0_34, Sch name = CD set_property PACKAGE_PIN L4 [get_ports {sSegCathode[4]}] set_property IOSTANDARD LVCMOS33 [get_ports {sSegCathode[4]}] ##Bank = 34, Pin name = IO_L2P_T0_34, Sch name = CE set_property PACKAGE_PIN K3 [get_ports {sSegCathode[3]}] set_property IOSTANDARD LVCMOS33 [get_ports {sSegCathode[3]}] ##Bank = 34, Pin name = IO_L4N_T0_34, Sch name = CF set_property PACKAGE_PIN M2 [get_ports {sSegCathode[2]}] set_property IOSTANDARD LVCMOS33 [get_ports {sSegCathode[2]}] ##Bank = 34, Pin name = IO_L6P_T0_34, Sch name = CG set_property PACKAGE_PIN L6 [get_ports {sSegCathode[1]}] set_property IOSTANDARD LVCMOS33 [get_ports {sSegCathode[1]}] ##Bank = 34, Pin name = IO_L16P_T2_34, Sch name = DP set_property PACKAGE_PIN M4 [get_ports sSegCathode[0]] set_property IOSTANDARD LVCMOS33 [get_ports sSegCathode[0]] ##Bank = 34, Pin name = IO_L18N_T2_34, Sch name = AN0 set_property PACKAGE_PIN N6 [get_ports {sSegAnode[0]}] set_property IOSTANDARD LVCMOS33 [get_ports {sSegAnode[0]}] ##Bank = 34, Pin name = IO_L18P_T2_34, Sch name = AN1 set_property PACKAGE_PIN M6 [get_ports {sSegAnode[1]}] set_property IOSTANDARD LVCMOS33 [get_ports {sSegAnode[1]}] ##Bank = 34, Pin name = IO_L4P_T0_34, Sch name = AN2 set_property PACKAGE_PIN M3 [get_ports {sSegAnode[2]}] set_property IOSTANDARD LVCMOS33 [get_ports {sSegAnode[2]}] ##Bank = 34, Pin name = IO_L13_T2_MRCC_34, Sch name = AN3 set_property PACKAGE_PIN N5 [get_ports {sSegAnode[3]}] set_property IOSTANDARD LVCMOS33 [get_ports {sSegAnode[3]}] ##Bank = 34, Pin name = IO_L3P_T0_DQS_34, Sch name = AN4 set_property PACKAGE_PIN N2 [get_ports {sSegAnode[4]}] set_property IOSTANDARD LVCMOS33 [get_ports {sSegAnode[4]}] ##Bank = 34, Pin name = IO_L16N_T2_34, Sch name = AN5 set_property PACKAGE_PIN N4 [get_ports {sSegAnode[5]}] set_property IOSTANDARD LVCMOS33 [get_ports {sSegAnode[5]}] ##Bank = 34, Pin name = IO_L1P_T0_34, Sch name = AN6 set_property PACKAGE_PIN L1 [get_ports {sSegAnode[6]}] set_property IOSTANDARD LVCMOS33 [get_ports {sSegAnode[6]}] ##Bank = 34, Pin name = IO_L1N_T034, Sch name = AN7 set_property PACKAGE_PIN M1 [get_ports {sSegAnode[7]}] set_property IOSTANDARD LVCMOS33 [get_ports {sSegAnode[7]}] ##Buttons ##Bank = 15, Pin name = IO_L3P_T0_DQS_AD1P_15, Sch name = CPU_RESET #set_property PACKAGE_PIN C12 [get_ports btnCpuReset] #set_property IOSTANDARD LVCMOS33 [get_ports btnCpuReset] ##Bank = 15, Pin name = IO_L11N_T1_SRCC_15, Sch name = BTNC set_property PACKAGE_PIN E16 [get_ports bc] set_property IOSTANDARD LVCMOS33 [get_ports bc] ##Bank = 15, Pin name = IO_L14P_T2_SRCC_15, Sch name = BTNU set_property PACKAGE_PIN F15 [get_ports bu] set_property IOSTANDARD LVCMOS33 [get_ports bu] ##Bank = CONFIG, Pin name = IO_L15N_T2_DQS_DOUT_CSO_B_14, Sch name = BTNL set_property PACKAGE_PIN T16 [get_ports bl] set_property IOSTANDARD LVCMOS33 [get_ports bl] ##Bank = 14, Pin name = IO_25_14, Sch name = BTNR set_property PACKAGE_PIN R10 [get_ports br] set_property IOSTANDARD LVCMOS33 [get_ports br] ##Bank = 14, Pin name = IO_L21P_T3_DQS_14, Sch name = BTND set_property PACKAGE_PIN V10 [get_ports bd] set_property IOSTANDARD LVCMOS33 [get_ports bd] ##Temperature Sensor ##Bank = 15, Pin name = IO_L14N_T2_SRCC_15, Sch name = TMP_SCL set_property PACKAGE_PIN F16 [get_ports scl] set_property IOSTANDARD LVCMOS33 [get_ports scl] ##Bank = 15, Pin name = IO_L13N_T2_MRCC_15, Sch name = TMP_SDA set_property PACKAGE_PIN G16 [get_ports sda] set_property IOSTANDARD LVCMOS33 [get_ports sda] ##Bank = 15, Pin name = IO_L1P_T0_AD0P_15, Sch name = TMP_INT #set_property PACKAGE_PIN D14 [get_ports tmpInt] #set_property IOSTANDARD LVCMOS33 [get_ports tmpInt] ##Bank = 15, Pin name = IO_L1N_T0_AD0N_15, Sch name = TMP_CT #set_property PACKAGE_PIN C14 [get_ports tmpCT] #set_property IOSTANDARD LVCMOS33 [get_ports tmpCT] -- top.ucf (ISEの場合) --- [[i2c-thermo-ise]] ---- #counter