如果您希望以微秒为单位设置任务,则可以选择调用`mcpwm_set_duty_in_us()`。可以通过调用`mcpwm_set_duty_type()`来改变PWM占空比的模式(占空比数值对应高还是对应低)。 **mcpwm_set_duty (in_us) ()** //设置占空比 ```c esp_err_t mcpwm_set_duty(mcpwm_unit_t mcpwm_num, mcpwm_timer_t timer_n...
如果您希望以微秒为单位设置任务,则可以选择调用`mcpwm_set_duty_in_us()`。可以通过调用`mcpwm_set_duty_type()`来改变PWM占空比的模式(占空比数值对应高还是对应低)。 **mcpwm_set_duty (in_us) ()** //设置占空比 ```c esp_err_t mcpwm_set_duty(mcpwm_unit_t mcpwm_num, mcpwm_timer_t timer_n...
我们看上述例程中最后一行代码,其中MCPWM_DUTY_MODE_1代表高电平占空比,MCPWM_DUTY_MODE_0代表低电平占空比。 AI检测代码解析 esp_err_t mcpwm_set_duty_type(mcpwm_unit_t mcpwm_num, mcpwm_timer_t timer_num, mcpwm_generator_t gen, mcpwm_duty_type_t duty_type); 1. 我们来看看不同代码的效果: AI...
void mcpwm_set_duty(int mcpwm_cfg_id, u16 duty); 参数: rdec_cfg_id init时返回的句柄(id号) duty 占空比,如:5123,51.23% 返回值 无 1.6.8. mcpwm参考demo struct mcpwm_config usr_mcpwm_cfg; usr_mcpwm_cfg.ch = MCPWM_CH0; //通道号 usr_mcpwm_cfg.aligned_mode = MCPWM_EDGE_ALIGNED...
UNIT_1 MCPWM_SELECT_CAP0, // MCPWM_SELECT_CAP0 / MCPWM_SELECT_CAP1 / MCPWM_SELECT_CAP2 &cap_cfg)); // 捕获配置 // 100ms钟30%占空比 ESP_ERROR_CHECK(mcpwm_set_duty( MCPWM_UNIT_0, // MCPWM_UNIT_0 / MCPWM_UNIT_1 MCPWM_TIMER_0, // MCPWM_TIMER_0 / MCPWM_TIMER_1 / MCPWM_...
voidmcpwm_set_frequency(pwm_ch_num_typech,u32frequency) 更改MCPWM的频率 Parameters ch– 通道号 frequency– 频率 voidmcpwm_set_duty(pwm_ch_num_typepwm_ch,u16duty) 设置一个通道的占空比 Parameters pwm_ch– 通道号:pwm_ch0,pwm_ch1,pwm_ch2 ...
generator_t；表示对应的A还是B```- **2、设置PWM信号**若要更改PWM的占空比，调用`mcpwm_set_duty...
printf("1. LEDC fade up to duty = %d\n", LEDC_TEST_DUTY); ledc_set_fade_with_time(ledc_channel.speed_mode, ledc_channel.channel, LEDC_TEST_DUTY, LEDC_TEST_FADE_TIME); ledc_fade_start(ledc_channel.speed_mode, ledc_channel.channel, LEDC_FADE_NO_WAIT); ...
esp_err_t mcpwm_carrier_set_duty_cycle(mcpwm_unit_t mcpwm_num, mcpwm_timer_t timer_num, uint8_t carrier_duty) //开启第一个脉冲配置 esp_err_t mcpwm_carrier_oneshot_mode_enable(mcpwm_unit_t mcpwm_num, mcpwm_timer_t timer_num, uint8_t pulse_width) ...
pwm_config.duty_mode = MCPWM_DUTY_MODE_0; mcpwm_init(MOTOR_MCPWM_UNIT, MOTOR_PWM_TIMER, &pwm_config); //Configure PWM0A with above settings mcpwm_set_frequency(MOTOR_MCPWM_UNIT,MOTOR_PWM_TIMER,1000); ESP_LOGI("ddddddddddd", "Using rev \"%u\"", mcpwm_get_frequency(MOTOR_MCPWM_UNIT...