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PWM 的代码
pwm.pjt
; Code Composer Project File, Version 2.0 (do not modify or remove this line)
[Project Settings]
ProjectName="pwm"
ProjectDir="I:\DSP28_SourceCode\SourceCode19_PWMDCMOT\"
ProjectType=Executable
pwm.c
#include
void ccp1init(void)
{
CCPR1L=0XFF;//PWM频宽为:(CCPR1LCCP1CON)*Tosc*预分频数
CCP1CON=0X0C;//PWM模式CCP1CON为00,则PWM为8位
PR2=0XFF;//0.32mS--PWM的周期,T=(PR2+1)*(4/fosc)*预分
pwm.h
#ifndef PWM_H
#define PWM_H
void pwm(ulong voltage);
void pwm_phase(ulong frequency,ulong voltage);
#endif
pwm.c
#include"main.h"
void pwm(ulong voltage)
{
#define pwm_bit 10
sbi(ddrb,6);
TCCR1A|=(1
pwm.vhd
library ieee;
use ieee.std_logic_1164.all;
use ieee.std_logic_unsigned.all;
entity pwm is
port(ctrl:in std_logic_vector(3 downto 0); ----PWM控制信号
clk:in std_logic; ------------1