,我发现了以下错误的不兼容:从我的VHDL项目:类型的“变量”,类型为“可变”
ERROR:HDLParsers:800 - "C:/Users/Theo/Desktop/Dropbox/ECE 120/Robotic Arm/top.vhd" Line 90. Type of in_tilt is incompatible with type of tilt.
ERROR:HDLParsers:800 - "C:/Users/Theo/Desktop/Dropbox/ECE 120/Robotic Arm/top.vhd" Line 91. Type of in_pan is incompatible with type of pan.
ERROR:HDLParsers:800 - "C:/Users/Theo/Desktop/Dropbox/ECE 120/Robotic Arm/top.vhd" Line 92. Type of pwm_tilt is incompatible with type of pwm_tilt.
ERROR:HDLParsers:800 - "C:/Users/Theo/Desktop/Dropbox/ECE 120/Robotic Arm/top.vhd" Line 93. Type of pwm_pan is incompatible with type of pwm_pan.
这里是适用的代码。我用下面的代码顶级VHDL模块:
library IEEE;
use IEEE.STD_LOGIC_1164.ALL;
use ieee.std_logic_unsigned.all;
entity top is
port (
clk_in : in std_logic;
pause : in std_logic;
reset : in std_logic;
switch : in std_logic_vector(3 downto 0);-----------------------------------------
deb_in : in std_logic; ---from another switch
deb_out : out std_logic; ---to test the debouncer
pwm_pan : out std_logic_vector(7 downto 0);
pwm_tilt : out std_logic_vector(7 downto 0)
);
end top;
为PWM组件声明:
COMPONENT PWM
PORT(
clk_100 : in std_logic;
reset : IN std_logic;
in_tilt : in std_logic;
in_pan : in std_logic;
pwm_pan : OUT std_logic;
pwm_tilt : out std_logic
);
END COMPONENT;
另外适当的信号:后
signal tilt : std_logic_vector (7 downto 0);
signal pan : std_logic_vector (7 downto 0);
然后在此代码:(这是我的错误出现的地方。)
u1: PWM PORT MAP (
clk_100 => clk_100,
reset => reset,
--Line 90 in_tilt => tilt,
--Line 91 in_pan => pan,
--Line 92 pwm_tilt => pwm_tilt,
--Line 93 pwm_pan => pwm_pan
);
这是PWM模块VHDL代码中:
library IEEE;
use IEEE.STD_LOGIC_1164.ALL;
use ieee.std_logic_unsigned.all;
entity PWM is
Port (clk_100 : in STD_LOGIC;
reset : in STD_LOGIC;
in_tilt : in std_logic_vector(7 downto 0);
in_pan : in std_logic_vector(7 downto 0);
pwm_tilt : out std_logic_vector (7 downto 0);
pwm_pan : out std_logic_vector (7 downto 0)
);
end PWM;
任何想法是什么造成这个错误?我希望我已经包含了所有相关的代码。谢谢。
“倾斜”和“平移”的类型是什么? “PWM”组件声明的外观如何? – baldyHDL 2013-04-23 05:46:21
@baldyHDL我添加了组件声明以及倾斜和平移的类型。 – codedude 2013-04-23 12:33:19