若要更改PWM的占空比,调用`mcpwm_set_duty()`并以%为单位提供占空比的百分数值。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...
若要更改PWM的占空比,调用`mcpwm_set_duty()`并以%为单位提供占空比的百分数值。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...
mcpwm_fault2_in_num = -1 // Not used }; ESP_ERROR_CHECK(mcpwm_set_pin(MCPWM_UNIT_0, &mcpwm_pin)); //设置PWM定时器分辨率 ESP_ERROR_CHECK(mcpwm_group_set_resolution(MCPWM_UNIT_0, 10000000)); // MCPWM号(0/1)、分辨率(默认:10,000,000) ESP_ERROR_CHECK(mcpwm_timer_set_resolution(...
使用函数`mcpwm_group_set_resolution() `和 `mcpwm_timer_set_resolution()` - 使用上述参数调用mcpwm_init()以使配置生效。 1,配置GPIO口:使用函数mcpwm_gpio_init()或函数mcpwm_set_pin()。 两者的区别是前者为指定的功能配置 GPIO,而后者是一次性配置所有的GPIO。 **mcpwm_gpio_init()** //初始化一个...
使用函数`mcpwm_group_set_resolution() `和 `mcpwm_timer_set_resolution()`- 使用上述参数调用mcpwm_...
.group_id = 0, // 指定MCPWM的组ID .clk_src = MCPWM_TIMER_CLK_SRC_DEFAULT, // 设置定时器的时钟源 .resolution_hz = MCPWM_TIMER_RESOLUTION_HZ, // 设置定时器的预期分辨率 .count_mode = MCPWM_TIMER_COUNT_MODE_UP, // 向上计数
main(void){ESP_LOGI(TAG,"Create timer and operator");//创建定时器和执行器mcpwm_timer_handle_t timer=NULL;mcpwm_timer_config_t timer_config={.group_id=0,.clk_src=MCPWM_TIMER_CLK_SRC_DEFAULT,.resolution_hz=SERVO_TIMEBASE_RESOLUTION_HZ,.period_ticks=SERVO_TIMEBASE_PERIOD,.count_mode=MCPWM...
5.如有必要,通过调用mcpwm_group_set_resolution()和mcpwm_timer_set_resolution()设置计时器分辨率 6.调用函数mcpwm_init()和上述参数,使配置生效 操作 例程1 #include "driver/mcpwm.h" #include "soc/mcpwm_reg.h" #include "soc/mcpwm_struct.h" ...
esp_err_t mcpwm_set_pin(mcpwm_unit_t mcpwm_num, const mcpwm_pin_config_t *mcpwm_pin); /** * @brief Initialize MCPWM parameters * @note * The default resolution configured for MCPWM group and timer are 160M / 16 = 10M and 10M / 10 = 1M * The default resolution can be changed ...
main(void){ESP_LOGI(TAG,"Create timer and operator");//创建定时器和执行器mcpwm_timer_handle_t timer=NULL;mcpwm_timer_config_t timer_config={.group_id=0,.clk_src=MCPWM_TIMER_CLK_SRC_DEFAULT,.resolution_hz=SERVO_TIMEBASE_RESOLUTION_HZ,.period_ticks=SERVO_TIMEBASE_PERIOD,.count_mode=MCPWM...