Does anyone have a working example of how to update the PWM frequency using the new mcpwm driver in IDF v5.0? This was simple in v4.4 using the provided mpcwm_set_frequency() function, however in IDF v5.0, mcpwm_set_frequency was removed. According to the migration documentation from http...
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 ...
mcpwm_set_frequency(MOTOR_MCPWM_UNIT,MOTOR_PWM_TIMER,1000); ESP_LOGI("ddddddddddd", "Using rev \"%u\"", mcpwm_get_frequency(MOTOR_MCPWM_UNIT,MOTOR_PWM_TIMER)); // mcpwm_capture_enable(MOTOR_MCPWM_UNIT, MCPWM_SELECT_CAP0, MCPWM_POS_EDGE, 0); //capture signal on rising edge, presca...
1.6.6. mcpwm_set_frequencys 设置mcpwm输出频率,单位Hz。 原型: void mcpwm_set_frequency(int mcpwm_cfg_id, mcpwm_aligned_mode_type align, u32 frequency); 参数: rdec_cfg_id init时返回的句柄(id号) align 对齐方式:中心对齐、边沿对齐 frequency 频率,单位:Hz 返回值 无 1.6.7. mcpwm_set_...
frequency = 100, //输出pwm波形频率 Hz .cmpr_a = 0, //操作器A输出占空比, i.e duty_a = 62.3 .cmpr_b = 0, //操作器B输出占空比, i.e duty_a = 42.8 /*** *duty_mode (占空比类型): * MCPWM_DUTY_MODE_0: 高有效,例如:%20占空比 == 高电平20% * MCPWM_DUTY_MODE_1: 低有效,例...
ESP_ERROR_CHECK(mcpwm_timer_set_resolution(MCPWM_UNIT_0, MCPWM_TIMER_0, 1000000)); //定时器号(0/1/2)、分辨率(默认:1,000,000) mcpwm_config_t mcpwm_conf = { .frequency = 100, //输出pwm波形频率 Hz .cmpr_a = 30, //操作器A输出占空比, i.e duty_a = 62.3 ...
如果 API 不是用来改变 LED 亮度,而是用于其它目的,这种相互关系可能会很重要。更多信息详见 [频率和占空比分辨率支持范围](https://docs.espressif.com/projects/esp-idf/zh_CN/latest/esp32/api-reference/peripherals/ledc.html#ledc-api-supported-range-frequency-duty-resolution) 一节。
如果 API 不是用来改变 LED 亮度,而是用于其它目的,这种相互关系可能会很重要。更多信息详见 [频率和占空比分辨率支持范围](https://docs.espressif.com/projects/esp-idf/zh_CN/latest/esp32/api-reference/peripherals/ledc.html#ledc-api-supported-range-frequency-duty-resolution) 一节。
.freq_hz = 5000, // frequency of PWM signal .speed_mode = LEDC_HS_MODE, // timer mode .timer_num = LEDC_HS_TIMER, // timer index .clk_cfg = LEDC_AUTO_CLK, // Auto select the source clock }; ledc_timer_config(&ledc_timer); ...
1. **中断配置不正确**：确保您已经正确配置了MCPWM的中断。这包括设置正确的中断类型（如TEZ或TEP）...