stm8s的tim1的pwm输出求助

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解决时间 2021-03-08 16:41

提问者网友：锁深秋
2021-03-08 07:11

stm8s的tim1的pwm输出求助

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五星知识达人网友：何以畏孤独
2021-03-08 07:30

//用固件库方便些#include "stm8s_lib.h"#define CCR1_Val ((u16)2047) #define CCR2_Val ((u16)1535) #define CCR3_Val ((u16)1023) #define CCR4_Val ((u16)511) void main(void) { TIM1_DeInit(); /* Ti...

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1楼网友：零点过十分
2021-03-08 07:51

//用固件库方便些#include "stm8s_lib.h"#define ccr1_val ((u16)2047) #define ccr2_val ((u16)1535) #define ccr3_val ((u16)1023) #define ccr4_val ((u16)511) void main(void) { tim1_deinit(); tim1_timebaseinit(0, tim1_countermode_up, 4095, 0); tim1_oc1init(tim1_ocmode_pwm2, tim1_outputstate_enable, tim1_outputnstate_enable, ccr1_val, tim1_ocpolarity_low, tim1_ocnpolarity_high, tim1_ocidlestate_set, tim1_ocidlestate_reset); tim1_oc2init(tim1_ocmode_pwm2, tim1_outputstate_enable, tim1_outputnstate_enable, ccr2_val, tim1_ocpolarity_low, tim1_ocnpolarity_high, tim1_ocidlestate_set, tim1_ocidlestate_reset); tim1_oc3init(tim1_ocmode_pwm2, tim1_outputstate_enable, tim1_outputnstate_enable, ccr3_val, tim1_ocpolarity_low, tim1_ocnpolarity_high, tim1_ocidlestate_set, tim1_ocidlestate_reset); // tim1_oc4init(tim1_ocmode_pwm2, tim1_outputstate_enable, ccr4_val, tim1_ocpolarity_low, tim1_ocidlestate_set); //gpio_init(gpiod,gpio_pin_7,gpio_mode_out_pp_low_fast); //opt_init1.opt2=(opt_init1.opt2|0x10); tim1_cmd(enable); tim1_ctrlpwmoutputs(enable); while (1) { } }#ifdef full_assert void assert_failed(u8 *file, u16 line) #else void assert_failed(void) #endif { while (1) { } } //不用固件库直接操作我只试过 tim2 tim3 不过tim1应该差不多，你自己参考，我只知道这么多了，莫追问void tim2_init(void) //tim2 ch1 工作于模式1 { tim2_ccmr1= 0x60; // pwm 模式 1,tim2 ch1 tim2_ccer1= 0x03; // cc1配置为输出 tim2_ccer2= 0x03; // cc3使能 tim2_arrh = 0x03; // 配置pwm分辨率为10位，arr=0x3ff tim2_arrl = 0xff; // pwm频率=8m/0x03ff=7820hz tim2_cr1 |= 0x01; // 计数器使能，开始计数 }void run(void) { tim2_ccr1=value; tim2_ccr3=value; tim3_ccr2=value; tim3_ccr1=value; //注意每个通道都要设ccr }

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