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lincaigui 7 months ago
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doc/模块框图.vsdx
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ip/pll/pll.ppf
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<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE pinplan>
<pinplan intended_family="Cyclone IV E" variation_name="pll" megafunction_name="ALTPLL" specifies="all_ports">
<global>
<pin name="areset" direction="input" scope="external" />
<pin name="inclk0" direction="input" scope="external" source="clock" />
<pin name="c0" direction="output" scope="external" source="clock" />
<pin name="locked" direction="output" scope="external" />
</global>
</pinplan>

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ip/pll/pll.qip
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set_global_assignment -name IP_TOOL_NAME "ALTPLL"
set_global_assignment -name IP_TOOL_VERSION "18.1"
set_global_assignment -name IP_GENERATED_DEVICE_FAMILY "{Cyclone IV E}"
set_global_assignment -name VERILOG_FILE [file join $::quartus(qip_path) "pll.v"]
set_global_assignment -name MISC_FILE [file join $::quartus(qip_path) "pll_inst.v"]
set_global_assignment -name MISC_FILE [file join $::quartus(qip_path) "pll.ppf"]

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ip/pll/pll.v
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// megafunction wizard: %ALTPLL%
// GENERATION: STANDARD
// VERSION: WM1.0
// MODULE: altpll
// ============================================================
// File Name: pll.v
// Megafunction Name(s):
// altpll
//
// Simulation Library Files(s):
// altera_mf
// ============================================================
// ************************************************************
// THIS IS A WIZARD-GENERATED FILE. DO NOT EDIT THIS FILE!
//
// 18.1.0 Build 625 09/12/2018 SJ Standard Edition
// ************************************************************
//Copyright (C) 2018 Intel Corporation. All rights reserved.
//Your use of Intel Corporation's design tools, logic functions
//and other software and tools, and its AMPP partner logic
//functions, and any output files from any of the foregoing
//(including device programming or simulation files), and any
//associated documentation or information are expressly subject
//to the terms and conditions of the Intel Program License
//Subscription Agreement, the Intel Quartus Prime License Agreement,
//the Intel FPGA IP License Agreement, or other applicable license
//agreement, including, without limitation, that your use is for
//the sole purpose of programming logic devices manufactured by
//Intel and sold by Intel or its authorized distributors. Please
//refer to the applicable agreement for further details.
// synopsys translate_off
`timescale 1 ps / 1 ps
// synopsys translate_on
module pll (
areset,
inclk0,
c0,
locked);
input areset;
input inclk0;
output c0;
output locked;
`ifndef ALTERA_RESERVED_QIS
// synopsys translate_off
`endif
tri0 areset;
`ifndef ALTERA_RESERVED_QIS
// synopsys translate_on
`endif
wire [0:0] sub_wire2 = 1'h0;
wire [4:0] sub_wire3;
wire sub_wire5;
wire sub_wire0 = inclk0;
wire [1:0] sub_wire1 = {sub_wire2, sub_wire0};
wire [0:0] sub_wire4 = sub_wire3[0:0];
wire c0 = sub_wire4;
wire locked = sub_wire5;
altpll altpll_component (
.areset (areset),
.inclk (sub_wire1),
.clk (sub_wire3),
.locked (sub_wire5),
.activeclock (),
.clkbad (),
.clkena ({6{1'b1}}),
.clkloss (),
.clkswitch (1'b0),
.configupdate (1'b0),
.enable0 (),
.enable1 (),
.extclk (),
.extclkena ({4{1'b1}}),
.fbin (1'b1),
.fbmimicbidir (),
.fbout (),
.fref (),
.icdrclk (),
.pfdena (1'b1),
.phasecounterselect ({4{1'b1}}),
.phasedone (),
.phasestep (1'b1),
.phaseupdown (1'b1),
.pllena (1'b1),
.scanaclr (1'b0),
.scanclk (1'b0),
.scanclkena (1'b1),
.scandata (1'b0),
.scandataout (),
.scandone (),
.scanread (1'b0),
.scanwrite (1'b0),
.sclkout0 (),
.sclkout1 (),
.vcooverrange (),
.vcounderrange ());
defparam
altpll_component.bandwidth_type = "AUTO",
altpll_component.clk0_divide_by = 2,
altpll_component.clk0_duty_cycle = 50,
altpll_component.clk0_multiply_by = 1,
altpll_component.clk0_phase_shift = "0",
altpll_component.compensate_clock = "CLK0",
altpll_component.inclk0_input_frequency = 20000,
altpll_component.intended_device_family = "Cyclone IV E",
altpll_component.lpm_hint = "CBX_MODULE_PREFIX=pll",
altpll_component.lpm_type = "altpll",
altpll_component.operation_mode = "NORMAL",
altpll_component.pll_type = "AUTO",
altpll_component.port_activeclock = "PORT_UNUSED",
altpll_component.port_areset = "PORT_USED",
altpll_component.port_clkbad0 = "PORT_UNUSED",
altpll_component.port_clkbad1 = "PORT_UNUSED",
altpll_component.port_clkloss = "PORT_UNUSED",
altpll_component.port_clkswitch = "PORT_UNUSED",
altpll_component.port_configupdate = "PORT_UNUSED",
altpll_component.port_fbin = "PORT_UNUSED",
altpll_component.port_inclk0 = "PORT_USED",
altpll_component.port_inclk1 = "PORT_UNUSED",
altpll_component.port_locked = "PORT_USED",
altpll_component.port_pfdena = "PORT_UNUSED",
altpll_component.port_phasecounterselect = "PORT_UNUSED",
altpll_component.port_phasedone = "PORT_UNUSED",
altpll_component.port_phasestep = "PORT_UNUSED",
altpll_component.port_phaseupdown = "PORT_UNUSED",
altpll_component.port_pllena = "PORT_UNUSED",
altpll_component.port_scanaclr = "PORT_UNUSED",
altpll_component.port_scanclk = "PORT_UNUSED",
altpll_component.port_scanclkena = "PORT_UNUSED",
altpll_component.port_scandata = "PORT_UNUSED",
altpll_component.port_scandataout = "PORT_UNUSED",
altpll_component.port_scandone = "PORT_UNUSED",
altpll_component.port_scanread = "PORT_UNUSED",
altpll_component.port_scanwrite = "PORT_UNUSED",
altpll_component.port_clk0 = "PORT_USED",
altpll_component.port_clk1 = "PORT_UNUSED",
altpll_component.port_clk2 = "PORT_UNUSED",
altpll_component.port_clk3 = "PORT_UNUSED",
altpll_component.port_clk4 = "PORT_UNUSED",
altpll_component.port_clk5 = "PORT_UNUSED",
altpll_component.port_clkena0 = "PORT_UNUSED",
altpll_component.port_clkena1 = "PORT_UNUSED",
altpll_component.port_clkena2 = "PORT_UNUSED",
altpll_component.port_clkena3 = "PORT_UNUSED",
altpll_component.port_clkena4 = "PORT_UNUSED",
altpll_component.port_clkena5 = "PORT_UNUSED",
altpll_component.port_extclk0 = "PORT_UNUSED",
altpll_component.port_extclk1 = "PORT_UNUSED",
altpll_component.port_extclk2 = "PORT_UNUSED",
altpll_component.port_extclk3 = "PORT_UNUSED",
altpll_component.self_reset_on_loss_lock = "OFF",
altpll_component.width_clock = 5;
endmodule
// ============================================================
// CNX file retrieval info
// ============================================================
// Retrieval info: PRIVATE: ACTIVECLK_CHECK STRING "0"
// Retrieval info: PRIVATE: BANDWIDTH STRING "1.000"
// Retrieval info: PRIVATE: BANDWIDTH_FEATURE_ENABLED STRING "1"
// Retrieval info: PRIVATE: BANDWIDTH_FREQ_UNIT STRING "MHz"
// Retrieval info: PRIVATE: BANDWIDTH_PRESET STRING "Low"
// Retrieval info: PRIVATE: BANDWIDTH_USE_AUTO STRING "1"
// Retrieval info: PRIVATE: BANDWIDTH_USE_PRESET STRING "0"
// Retrieval info: PRIVATE: CLKBAD_SWITCHOVER_CHECK STRING "0"
// Retrieval info: PRIVATE: CLKLOSS_CHECK STRING "0"
// Retrieval info: PRIVATE: CLKSWITCH_CHECK STRING "0"
// Retrieval info: PRIVATE: CNX_NO_COMPENSATE_RADIO STRING "0"
// Retrieval info: PRIVATE: CREATE_CLKBAD_CHECK STRING "0"
// Retrieval info: PRIVATE: CREATE_INCLK1_CHECK STRING "0"
// Retrieval info: PRIVATE: CUR_DEDICATED_CLK STRING "c0"
// Retrieval info: PRIVATE: CUR_FBIN_CLK STRING "c0"
// Retrieval info: PRIVATE: DEVICE_SPEED_GRADE STRING "Any"
// Retrieval info: PRIVATE: DIV_FACTOR0 NUMERIC "1"
// Retrieval info: PRIVATE: DUTY_CYCLE0 STRING "50.00000000"
// Retrieval info: PRIVATE: EFF_OUTPUT_FREQ_VALUE0 STRING "25.000000"
// Retrieval info: PRIVATE: EXPLICIT_SWITCHOVER_COUNTER STRING "0"
// Retrieval info: PRIVATE: EXT_FEEDBACK_RADIO STRING "0"
// Retrieval info: PRIVATE: GLOCKED_COUNTER_EDIT_CHANGED STRING "1"
// Retrieval info: PRIVATE: GLOCKED_FEATURE_ENABLED STRING "0"
// Retrieval info: PRIVATE: GLOCKED_MODE_CHECK STRING "0"
// Retrieval info: PRIVATE: GLOCK_COUNTER_EDIT NUMERIC "1048575"
// Retrieval info: PRIVATE: HAS_MANUAL_SWITCHOVER STRING "1"
// Retrieval info: PRIVATE: INCLK0_FREQ_EDIT STRING "50.000"
// Retrieval info: PRIVATE: INCLK0_FREQ_UNIT_COMBO STRING "MHz"
// Retrieval info: PRIVATE: INCLK1_FREQ_EDIT STRING "100.000"
// Retrieval info: PRIVATE: INCLK1_FREQ_EDIT_CHANGED STRING "1"
// Retrieval info: PRIVATE: INCLK1_FREQ_UNIT_CHANGED STRING "1"
// Retrieval info: PRIVATE: INCLK1_FREQ_UNIT_COMBO STRING "MHz"
// Retrieval info: PRIVATE: INTENDED_DEVICE_FAMILY STRING "Cyclone IV E"
// Retrieval info: PRIVATE: INT_FEEDBACK__MODE_RADIO STRING "1"
// Retrieval info: PRIVATE: LOCKED_OUTPUT_CHECK STRING "1"
// Retrieval info: PRIVATE: LONG_SCAN_RADIO STRING "1"
// Retrieval info: PRIVATE: LVDS_MODE_DATA_RATE STRING "Not Available"
// Retrieval info: PRIVATE: LVDS_MODE_DATA_RATE_DIRTY NUMERIC "0"
// Retrieval info: PRIVATE: LVDS_PHASE_SHIFT_UNIT0 STRING "deg"
// Retrieval info: PRIVATE: MIG_DEVICE_SPEED_GRADE STRING "Any"
// Retrieval info: PRIVATE: MIRROR_CLK0 STRING "0"
// Retrieval info: PRIVATE: MULT_FACTOR0 NUMERIC "1"
// Retrieval info: PRIVATE: NORMAL_MODE_RADIO STRING "1"
// Retrieval info: PRIVATE: OUTPUT_FREQ0 STRING "25.00000000"
// Retrieval info: PRIVATE: OUTPUT_FREQ_MODE0 STRING "1"
// Retrieval info: PRIVATE: OUTPUT_FREQ_UNIT0 STRING "MHz"
// Retrieval info: PRIVATE: PHASE_RECONFIG_FEATURE_ENABLED STRING "1"
// Retrieval info: PRIVATE: PHASE_RECONFIG_INPUTS_CHECK STRING "0"
// Retrieval info: PRIVATE: PHASE_SHIFT0 STRING "0.00000000"
// Retrieval info: PRIVATE: PHASE_SHIFT_STEP_ENABLED_CHECK STRING "0"
// Retrieval info: PRIVATE: PHASE_SHIFT_UNIT0 STRING "deg"
// Retrieval info: PRIVATE: PLL_ADVANCED_PARAM_CHECK STRING "0"
// Retrieval info: PRIVATE: PLL_ARESET_CHECK STRING "1"
// Retrieval info: PRIVATE: PLL_AUTOPLL_CHECK NUMERIC "1"
// Retrieval info: PRIVATE: PLL_ENHPLL_CHECK NUMERIC "0"
// Retrieval info: PRIVATE: PLL_FASTPLL_CHECK NUMERIC "0"
// Retrieval info: PRIVATE: PLL_FBMIMIC_CHECK STRING "0"
// Retrieval info: PRIVATE: PLL_LVDS_PLL_CHECK NUMERIC "0"
// Retrieval info: PRIVATE: PLL_PFDENA_CHECK STRING "0"
// Retrieval info: PRIVATE: PLL_TARGET_HARCOPY_CHECK NUMERIC "0"
// Retrieval info: PRIVATE: PRIMARY_CLK_COMBO STRING "inclk0"
// Retrieval info: PRIVATE: RECONFIG_FILE STRING "pll.mif"
// Retrieval info: PRIVATE: SACN_INPUTS_CHECK STRING "0"
// Retrieval info: PRIVATE: SCAN_FEATURE_ENABLED STRING "1"
// Retrieval info: PRIVATE: SELF_RESET_LOCK_LOSS STRING "0"
// Retrieval info: PRIVATE: SHORT_SCAN_RADIO STRING "0"
// Retrieval info: PRIVATE: SPREAD_FEATURE_ENABLED STRING "0"
// Retrieval info: PRIVATE: SPREAD_FREQ STRING "50.000"
// Retrieval info: PRIVATE: SPREAD_FREQ_UNIT STRING "KHz"
// Retrieval info: PRIVATE: SPREAD_PERCENT STRING "0.500"
// Retrieval info: PRIVATE: SPREAD_USE STRING "0"
// Retrieval info: PRIVATE: SRC_SYNCH_COMP_RADIO STRING "0"
// Retrieval info: PRIVATE: STICKY_CLK0 STRING "1"
// Retrieval info: PRIVATE: SWITCHOVER_COUNT_EDIT NUMERIC "1"
// Retrieval info: PRIVATE: SWITCHOVER_FEATURE_ENABLED STRING "1"
// Retrieval info: PRIVATE: SYNTH_WRAPPER_GEN_POSTFIX STRING "0"
// Retrieval info: PRIVATE: USE_CLK0 STRING "1"
// Retrieval info: PRIVATE: USE_CLKENA0 STRING "0"
// Retrieval info: PRIVATE: USE_MIL_SPEED_GRADE NUMERIC "0"
// Retrieval info: PRIVATE: ZERO_DELAY_RADIO STRING "0"
// Retrieval info: LIBRARY: altera_mf altera_mf.altera_mf_components.all
// Retrieval info: CONSTANT: BANDWIDTH_TYPE STRING "AUTO"
// Retrieval info: CONSTANT: CLK0_DIVIDE_BY NUMERIC "2"
// Retrieval info: CONSTANT: CLK0_DUTY_CYCLE NUMERIC "50"
// Retrieval info: CONSTANT: CLK0_MULTIPLY_BY NUMERIC "1"
// Retrieval info: CONSTANT: CLK0_PHASE_SHIFT STRING "0"
// Retrieval info: CONSTANT: COMPENSATE_CLOCK STRING "CLK0"
// Retrieval info: CONSTANT: INCLK0_INPUT_FREQUENCY NUMERIC "20000"
// Retrieval info: CONSTANT: INTENDED_DEVICE_FAMILY STRING "Cyclone IV E"
// Retrieval info: CONSTANT: LPM_TYPE STRING "altpll"
// Retrieval info: CONSTANT: OPERATION_MODE STRING "NORMAL"
// Retrieval info: CONSTANT: PLL_TYPE STRING "AUTO"
// Retrieval info: CONSTANT: PORT_ACTIVECLOCK STRING "PORT_UNUSED"
// Retrieval info: CONSTANT: PORT_ARESET STRING "PORT_USED"
// Retrieval info: CONSTANT: PORT_CLKBAD0 STRING "PORT_UNUSED"
// Retrieval info: CONSTANT: PORT_CLKBAD1 STRING "PORT_UNUSED"
// Retrieval info: CONSTANT: PORT_CLKLOSS STRING "PORT_UNUSED"
// Retrieval info: CONSTANT: PORT_CLKSWITCH STRING "PORT_UNUSED"
// Retrieval info: CONSTANT: PORT_CONFIGUPDATE STRING "PORT_UNUSED"
// Retrieval info: CONSTANT: PORT_FBIN STRING "PORT_UNUSED"
// Retrieval info: CONSTANT: PORT_INCLK0 STRING "PORT_USED"
// Retrieval info: CONSTANT: PORT_INCLK1 STRING "PORT_UNUSED"
// Retrieval info: CONSTANT: PORT_LOCKED STRING "PORT_USED"
// Retrieval info: CONSTANT: PORT_PFDENA STRING "PORT_UNUSED"
// Retrieval info: CONSTANT: PORT_PHASECOUNTERSELECT STRING "PORT_UNUSED"
// Retrieval info: CONSTANT: PORT_PHASEDONE STRING "PORT_UNUSED"
// Retrieval info: CONSTANT: PORT_PHASESTEP STRING "PORT_UNUSED"
// Retrieval info: CONSTANT: PORT_PHASEUPDOWN STRING "PORT_UNUSED"
// Retrieval info: CONSTANT: PORT_PLLENA STRING "PORT_UNUSED"
// Retrieval info: CONSTANT: PORT_SCANACLR STRING "PORT_UNUSED"
// Retrieval info: CONSTANT: PORT_SCANCLK STRING "PORT_UNUSED"
// Retrieval info: CONSTANT: PORT_SCANCLKENA STRING "PORT_UNUSED"
// Retrieval info: CONSTANT: PORT_SCANDATA STRING "PORT_UNUSED"
// Retrieval info: CONSTANT: PORT_SCANDATAOUT STRING "PORT_UNUSED"
// Retrieval info: CONSTANT: PORT_SCANDONE STRING "PORT_UNUSED"
// Retrieval info: CONSTANT: PORT_SCANREAD STRING "PORT_UNUSED"
// Retrieval info: CONSTANT: PORT_SCANWRITE STRING "PORT_UNUSED"
// Retrieval info: CONSTANT: PORT_clk0 STRING "PORT_USED"
// Retrieval info: CONSTANT: PORT_clk1 STRING "PORT_UNUSED"
// Retrieval info: CONSTANT: PORT_clk2 STRING "PORT_UNUSED"
// Retrieval info: CONSTANT: PORT_clk3 STRING "PORT_UNUSED"
// Retrieval info: CONSTANT: PORT_clk4 STRING "PORT_UNUSED"
// Retrieval info: CONSTANT: PORT_clk5 STRING "PORT_UNUSED"
// Retrieval info: CONSTANT: PORT_clkena0 STRING "PORT_UNUSED"
// Retrieval info: CONSTANT: PORT_clkena1 STRING "PORT_UNUSED"
// Retrieval info: CONSTANT: PORT_clkena2 STRING "PORT_UNUSED"
// Retrieval info: CONSTANT: PORT_clkena3 STRING "PORT_UNUSED"
// Retrieval info: CONSTANT: PORT_clkena4 STRING "PORT_UNUSED"
// Retrieval info: CONSTANT: PORT_clkena5 STRING "PORT_UNUSED"
// Retrieval info: CONSTANT: PORT_extclk0 STRING "PORT_UNUSED"
// Retrieval info: CONSTANT: PORT_extclk1 STRING "PORT_UNUSED"
// Retrieval info: CONSTANT: PORT_extclk2 STRING "PORT_UNUSED"
// Retrieval info: CONSTANT: PORT_extclk3 STRING "PORT_UNUSED"
// Retrieval info: CONSTANT: SELF_RESET_ON_LOSS_LOCK STRING "OFF"
// Retrieval info: CONSTANT: WIDTH_CLOCK NUMERIC "5"
// Retrieval info: USED_PORT: @clk 0 0 5 0 OUTPUT_CLK_EXT VCC "@clk[4..0]"
// Retrieval info: USED_PORT: areset 0 0 0 0 INPUT GND "areset"
// Retrieval info: USED_PORT: c0 0 0 0 0 OUTPUT_CLK_EXT VCC "c0"
// Retrieval info: USED_PORT: inclk0 0 0 0 0 INPUT_CLK_EXT GND "inclk0"
// Retrieval info: USED_PORT: locked 0 0 0 0 OUTPUT GND "locked"
// Retrieval info: CONNECT: @areset 0 0 0 0 areset 0 0 0 0
// Retrieval info: CONNECT: @inclk 0 0 1 1 GND 0 0 0 0
// Retrieval info: CONNECT: @inclk 0 0 1 0 inclk0 0 0 0 0
// Retrieval info: CONNECT: c0 0 0 0 0 @clk 0 0 1 0
// Retrieval info: CONNECT: locked 0 0 0 0 @locked 0 0 0 0
// Retrieval info: GEN_FILE: TYPE_NORMAL pll.v TRUE
// Retrieval info: GEN_FILE: TYPE_NORMAL pll.ppf TRUE
// Retrieval info: GEN_FILE: TYPE_NORMAL pll.inc FALSE
// Retrieval info: GEN_FILE: TYPE_NORMAL pll.cmp FALSE
// Retrieval info: GEN_FILE: TYPE_NORMAL pll.bsf FALSE
// Retrieval info: GEN_FILE: TYPE_NORMAL pll_inst.v TRUE
// Retrieval info: GEN_FILE: TYPE_NORMAL pll_bb.v FALSE
// Retrieval info: LIB_FILE: altera_mf
// Retrieval info: CBX_MODULE_PREFIX: ON

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ip/pll/pll_inst.v
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pll pll_inst (
.areset ( areset_sig ),
.inclk0 ( inclk0_sig ),
.c0 ( c0_sig ),
.locked ( locked_sig )
);

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readme.md
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## FPGA VGA显示彩条

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rtl/data_gen.v
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module data_gen(
input wire clk_25 ,
input wire vga_rst_n ,
input wire [9: 0] pixel_x ,
input wire [9: 0] pixel_y ,
output reg [15: 0] rgb_data
);
parameter RED = 16'hF800 , //红色
ORANGE = 16'hFC00 , //橙色
YELLOW = 16'hFFE0 , //黄色
GREEN = 16'h07E0 , //绿色
CYAN = 16'h07FF , //青色
BLUE = 16'h001F , //蓝色
PURPPLE = 16'hF81F, //紫色
BLACK = 16'h0000 , //黑色
WHITE = 16'hFFFF , //白色
GRAY = 16'hD69A ;
always @(posedge clk_25 or negedge vga_rst_n)begin
if(!vga_rst_n)begin
rgb_data <= 16'h0000;
end
else if((pixel_x >= 0) && (pixel_x < 47))begin
rgb_data <= RED;
end
else if((pixel_x >=48) && (pixel_x < 95))begin
rgb_data <= ORANGE;
end
else if((pixel_x >= 96) && (pixel_x < 143))begin
rgb_data <= YELLOW;
end
else if((pixel_x >= 144) && (pixel_x < 192)) begin
rgb_data <= GREEN;
end
else if((pixel_x >= 192) && (pixel_x < 240)) begin
rgb_data <= CYAN;
end
else if((pixel_x >= 240) && (pixel_x < 288)) begin
rgb_data <= BLUE;
end
else if((pixel_x >= 288) && (pixel_x < 336)) begin
rgb_data <= PURPPLE;
end
else if((pixel_x >= 336) && (pixel_x < 384)) begin
rgb_data <= BLACK;
end
else if((pixel_x >= 384) && (pixel_x < 432)) begin
rgb_data <= WHITE;
end
else if((pixel_x >= 432) && (pixel_x < 480))begin
rgb_data <= GRAY;
end
else begin
rgb_data <= 16'h0000;
end
end
endmodule

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rtl/gen_clk.v
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module gen_clk(
input wire sys_clk ,
input wire sys_rst_n ,
output wire clk_25 ,
output wire vga_rst_n
);
wire locked;
assign vga_rst_n = sys_rst_n & locked;
pll pll_inst (
.areset ( ~sys_rst_n ) ,
.inclk0 ( sys_clk ) ,
.c0 ( clk_25 ) ,
.locked ( locked )
);
endmodule

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rtl/top.v
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module top(
input wire sys_clk ,
input wire sys_rst_n ,
output wire [15: 0] vga_data ,
output wire hsync ,
output wire vsync
);
wire clk_25 ;
wire vga_rst_n ;
wire [9: 0] pixel_x ;
wire [9: 0] pixel_y ;
wire [15: 0] rgb_data ;
vga_ctrl vga_ctrl_inst(
.clk_25 (clk_25),
.vga_rst_n (vga_rst_n),
.rgb_data (rgb_data),
.hsync (hsync),
.vsync (vsync),
.pixel_x (pixel_x),
.pixel_y (pixel_y),
.vga_data (vga_data)
);
gen_clk gen_clk_inst(
.sys_clk (sys_clk),
.sys_rst_n (sys_rst_n),
.clk_25 (clk_25),
.vga_rst_n (vga_rst_n)
);
data_gen data_gen_inst(
.clk_25 (clk_25),
.vga_rst_n (vga_rst_n),
.pixel_x (pixel_x),
.pixel_y (pixel_y),
.rgb_data (rgb_data)
);
endmodule

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rtl/vga_ctrl.v
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module vga_ctrl(
input wire clk_25 ,
input wire vga_rst_n ,
input wire [15: 0] rgb_data ,
output wire hsync ,
output wire vsync ,
output wire [9: 0] pixel_x ,
output wire [9: 0] pixel_y ,
output wire [15: 0] vga_data
);
//行
parameter H_SYNC = 10'd96 ,
H_BACK = 10'd40 ,
H_LEFT = 10'd8 ,
H_AREA = 10'd640 ,
H_RIGHT = 10'd8 ,
H_FRONT = 10'd8 ,
H_TOTAL = 10'd800 ;
//列
parameter V_SYNC = 10'd2 ,
V_BACK = 10'd25 ,
V_TOP = 10'd8 ,
V_AREA = 10'd480,
V_BUTTON = 10'd8 ,
V_FRONT = 10'd2 ,
V_TOTAL = 10'd525;
//像素计数
reg [9: 0] cnt_pixel;
wire add_cnt_pixel;
wire end_cnt_pixel;
//行计数
reg [9: 0] cnt_row;
wire add_cnt_row;
wire end_cnt_row;
wire area_vld;
wire vld_req ;
always @(posedge clk_25 or negedge vga_rst_n) begin
if(!vga_rst_n)begin
cnt_pixel <= 10'd0;
end
else if(add_cnt_pixel)begin
if(end_cnt_pixel)begin
cnt_pixel <= 10'd0;
end
else begin
cnt_pixel <= cnt_pixel + 1'd1;
end
end
else begin
cnt_pixel <= cnt_pixel;
end
end
assign add_cnt_pixel = 1'b1;
assign end_cnt_pixel = add_cnt_pixel && cnt_pixel == (H_TOTAL - 1'd1);
always @(posedge clk_25 or negedge vga_rst_n)begin
if(!vga_rst_n)begin
cnt_row <= 10'd0;
end
else if(add_cnt_row)begin
if(end_cnt_row)begin
cnt_row <= 10'd0;
end
else begin
cnt_row <= cnt_row + 1'd1;
end
end
else begin
cnt_row <= cnt_row;
end
end
assign add_cnt_row = end_cnt_pixel;
assign end_cnt_row = add_cnt_row && cnt_row == V_TOTAL - 1'd1;
assign hsync = (cnt_pixel <= H_SYNC - 1'd1) ? 1'b1: 1'b0;
assign vsync = (cnt_row <= V_SYNC - 1'd1) ? 1'b1: 1'b0;
assign area_vld = (cnt_pixel >= (H_SYNC + H_BACK + H_LEFT)) &&
(cnt_pixel < (H_SYNC + H_BACK + H_LEFT + H_AREA)) &&
(cnt_row >= (V_SYNC + V_BACK + V_TOP)) &&
(cnt_row < (V_SYNC + V_BACK + V_TOP + V_AREA));
assign vld_req = (cnt_pixel >= (H_SYNC + H_BACK + H_LEFT - 1'd1)) &&
(cnt_pixel < (H_SYNC + H_BACK + H_LEFT + H_AREA - 1'd1)) &&
(cnt_row >= (V_SYNC + V_BACK + V_TOP)) &&
(cnt_row < (V_SYNC + V_BACK + V_TOP + V_AREA));
//超前一个时钟周期，目的是为了时序对齐
assign pixel_x = (vld_req == 1'b1) ? (cnt_pixel - (H_SYNC + H_BACK + H_LEFT - 1'b1)): 10'h3ff;
assign pixel_y = (vld_req == 1'b1) ? (cnt_row - (V_SYNC + V_BACK + V_TOP)): 10'h3ff;
assign vga_data = (area_vld == 1'b1) ? rgb_data: 16'h0000;
endmodule

40
tcl/vga_pin.tcl
Unescape Escape View File

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# Copyright (C) 2018 Intel Corporation. All rights reserved.
# Your use of Intel Corporation's design tools, logic functions
# and other software and tools, and its AMPP partner logic
# functions, and any output files from any of the foregoing
# (including device programming or simulation files), and any
# associated documentation or information are expressly subject
# to the terms and conditions of the Intel Program License
# Subscription Agreement, the Intel Quartus Prime License Agreement,
# the Intel FPGA IP License Agreement, or other applicable license
# agreement, including, without limitation, that your use is for
# the sole purpose of programming logic devices manufactured by
# Intel and sold by Intel or its authorized distributors. Please
# refer to the applicable agreement for further details.
# Quartus Prime Version 18.0.0 Build 614 04/24/2018 SJ Standard Edition
# File: D:\0_desktop\uart_sdram\prj\sdram_pin.tcl
# Generated on: Thu Oct 05 10:21:59 2023
package require ::quartus::project
set_location_assignment PIN_E1 -to sys_clk
set_location_assignment PIN_E15 -to sys_rst_n
set_location_assignment PIN_C16 -to hsync
set_location_assignment PIN_D15 -to vsync
set_location_assignment PIN_C15 -to vga_data[0 ]
set_location_assignment PIN_B16 -to vga_data[1 ]
set_location_assignment PIN_A15 -to vga_data[2 ]
set_location_assignment PIN_B14 -to vga_data[3 ]
set_location_assignment PIN_A14 -to vga_data[4 ]
set_location_assignment PIN_B13 -to vga_data[5 ]
set_location_assignment PIN_A13 -to vga_data[6 ]
set_location_assignment PIN_B12 -to vga_data[7 ]
set_location_assignment PIN_A12 -to vga_data[8 ]
set_location_assignment PIN_B11 -to vga_data[9 ]
set_location_assignment PIN_A11 -to vga_data[10]
set_location_assignment PIN_B10 -to vga_data[11]
set_location_assignment PIN_A10 -to vga_data[12]
set_location_assignment PIN_B9 -to vga_data[13]
set_location_assignment PIN_A9 -to vga_data[14]
set_location_assignment PIN_C8 -to vga_data[15]
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