需要采样代码在PIC18资源管理器板上生成PWM信号

HI，目前我使用PIC18浏览器开发板和PIC18F822作为主控制器。我使用C18（V3.47）编译器在我的系统上。任何人可以共享PWM代码进行实验。我尝试了下面的代码，给出了SC18的用户指南文件，并且我试图观察RC2上的PWM，但是没有PWMUTU。有人能帮我吗？问候，阿南德



      以下为原文

    Hi ,
Currently i am using PIC18 explorer development board and PIC18f8722 as main controller.
I am using C18 (v3.47) compiler on my system.

Can anyone share PWM code for experimenting.
I tried the below code given in c18 peripheral user guide document and i tried to observe the pwm on RC2 but no pwm output seen.

can anyone help me on this.

/******************************************************************
* NOTES:
* Code uses the Peripheral library support available with MCC18 Compiler
* Code Tested on:
* PicDem2+ demo board with PIC18F4685 controller
* PWM output is obtained on CCP1 pin. duty cycle is gievn by
*
*Formula for Period and Duty cycle calculatio
*
* PWM period = [(period ) + 1] x 4 x Tosc x TMR2 prescaler
*
* PWM x Duty cycle = (DCx<9:0>) x Tosc
*
* Resolution (bits) = log(Fosc/Fpwm) / log(2)
**********************************************************************/
#define USE_OR_MASKS
#include
#include "pwm.h"
void main(void)
{
char period=0x00;
unsigned char outputconfig=0,outputmode=0,config=0;
unsigned int duty_cycle=0;
//----Configure pwm ----
//period = 0xFF;
period = 0xFF;
OpenPWM1( period); //Configure PWM module and initialize PWM period
//-----set duty cycle----
duty_cycle = 0x0F00;
SetDCPWM1(duty_cycle); //set the duty cycle
//----set pwm output----
outputconfig = FULL_OUT_FWD ;
outputmode = PWM_MODE_1;
SetOutputPWM1( outputconfig, outputmode); //output PWM in respective modes
while(1); //observe output on CCP1 pin
ClosePWM1();
}
Regards,
Anand

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