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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="E:\jpProject\dsp\pwm\"
ProjectType=Executable
CPUFamily=TMS320C28X
pwm.c
/*
利用定时器，在P2_5上输出PWM波。为了演示，使占空比从1%~99%再从99%~1%连续变化。频
率约为200Hz。可以用于用于直流电机的驱动等方面。
*/
#include "STC12C5410AD.H"
unsigned char DutyCycle; //占空比，0~100
bit UpDown; //此时的占空比是增加还值减少的判断位，增加为1
void
pwm.c
#include "regs240x.h"
main()
{
unsigned int uWork;
asm(" setc INTM"); /* 关中断 */
asm(" setc SXM"); /* 符号位扩展有效 */
asm(" clrc OVM"); /* 累加器中结果正常溢出 */
asm(" clrc CNF"); /* B0被配置为数据存储空间 *
pwm.cmd
/**********************************************************************/
/* File Name: lfmem.cmd */
/* Target System: C24xx Evaluation Board
pwm.pjt
; Code Composer Project File, Version 2.0 (do not modify or remove this line)
[Project Settings]
ProjectDir="D:\test\C2000\2407EDULab_v299\Lab10-PWM\"
ProjectType=Executable
CPUFamily=TMS320C24X
pwm.mak
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