ESP-IDF
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Outline
#include <stdint.h>
#include <stdbool.h>
#include "esp_err.h"
#include "driver/mcpwm_types.h"
mcpwm_timer_sync_src_config_t
mcpwm_new_timer_sync_src(mcpwm_timer_handle_t, const mcpwm_timer_sync_src_config_t *, mcpwm_sync_handle_t *);
mcpwm_gpio_sync_src_config_t
mcpwm_new_gpio_sync_src(const mcpwm_gpio_sync_src_config_t *, mcpwm_sync_handle_t *);
mcpwm_soft_sync_config_t
mcpwm_new_soft_sync_src(const mcpwm_soft_sync_config_t *, mcpwm_sync_handle_t *);
mcpwm_del_sync_src(mcpwm_sync_handle_t);
mcpwm_soft_sync_activate(mcpwm_sync_handle_t);
Files
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include
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mcpwm_cap.h
mcpwm_cmpr.h
mcpwm_etm.h
mcpwm_fault.h
mcpwm_gen.h
mcpwm_oper.h
mcpwm_sync.h
mcpwm_timer.h
mcpwm_types.h
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SourceVuESP-IDF Framework and ExamplesESP-IDFcomponents/esp_driver_mcpwm/include/driver/mcpwm_sync.h
 
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/* * SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD * * SPDX-License-Identifier: Apache-2.0 *//* ... */ #pragma once #include <stdint.h> #include <stdbool.h> #include "esp_err.h" #include "driver/mcpwm_types.h" #ifdef __cplusplus extern "C" { #endif /** * @brief MCPWM timer sync source configuration *//* ... */ typedef struct { mcpwm_timer_event_t timer_event; /*!< Timer event, upon which MCPWM timer will generate the sync signal */ struct { uint32_t propagate_input_sync: 1; /*!< The input sync signal would be routed to its sync output */ }{ ... } flags; /*!< Extra configuration flags for timer sync source */ }{ ... } mcpwm_timer_sync_src_config_t; /** * @brief Create MCPWM timer sync source * * @param[in] timer MCPWM timer handle, allocated by `mcpwm_new_timer()` * @param[in] config MCPWM timer sync source configuration * @param[out] ret_sync Returned MCPWM sync handle * @return * - ESP_OK: Create MCPWM timer sync source successfully * - ESP_ERR_INVALID_ARG: Create MCPWM timer sync source failed because of invalid argument * - ESP_ERR_NO_MEM: Create MCPWM timer sync source failed because out of memory * - ESP_ERR_INVALID_STATE: Create MCPWM timer sync source failed because the timer has created a sync source before * - ESP_FAIL: Create MCPWM timer sync source failed because of other error *//* ... */ esp_err_t mcpwm_new_timer_sync_src(mcpwm_timer_handle_t timer, const mcpwm_timer_sync_src_config_t *config, mcpwm_sync_handle_t *ret_sync); /** * @brief MCPWM GPIO sync source configuration *//* ... */ typedef struct { int group_id; /*!< MCPWM group ID */ int gpio_num; /*!< GPIO used by sync source */ struct { uint32_t active_neg: 1; /*!< Whether the sync signal is active on negedge, by default, the sync signal's posedge is treated as active */ uint32_t io_loop_back: 1; /*!< For debug/test, the signal output from the GPIO will be fed to the input path as well */ uint32_t pull_up: 1; /*!< Whether to pull up internally */ uint32_t pull_down: 1; /*!< Whether to pull down internally */ }{ ... } flags; /*!< Extra configuration flags for GPIO sync source */ }{ ... } mcpwm_gpio_sync_src_config_t; /** * @brief Create MCPWM GPIO sync source * * @param[in] config MCPWM GPIO sync source configuration * @param[out] ret_sync Returned MCPWM GPIO sync handle * @return * - ESP_OK: Create MCPWM GPIO sync source successfully * - ESP_ERR_INVALID_ARG: Create MCPWM GPIO sync source failed because of invalid argument * - ESP_ERR_NO_MEM: Create MCPWM GPIO sync source failed because out of memory * - ESP_ERR_NOT_FOUND: Create MCPWM GPIO sync source failed because can't find free resource * - ESP_FAIL: Create MCPWM GPIO sync source failed because of other error *//* ... */ esp_err_t mcpwm_new_gpio_sync_src(const mcpwm_gpio_sync_src_config_t *config, mcpwm_sync_handle_t *ret_sync); /** * @brief MCPWM software sync configuration structure *//* ... */ typedef struct { }{ ... } mcpwm_soft_sync_config_t; /** * @brief Create MCPWM software sync source * * @param[in] config MCPWM software sync source configuration * @param[out] ret_sync Returned software sync handle * @return * - ESP_OK: Create MCPWM software sync successfully * - ESP_ERR_INVALID_ARG: Create MCPWM software sync failed because of invalid argument * - ESP_ERR_NO_MEM: Create MCPWM software sync failed because out of memory * - ESP_FAIL: Create MCPWM software sync failed because of other error *//* ... */ esp_err_t mcpwm_new_soft_sync_src(const mcpwm_soft_sync_config_t *config, mcpwm_sync_handle_t *ret_sync); /** * @brief Delete MCPWM sync source * * @param[in] sync MCPWM sync handle, allocated by `mcpwm_new_timer_sync_src()` or `mcpwm_new_gpio_sync_src()` or `mcpwm_new_soft_sync_src()` * @return * - ESP_OK: Delete MCPWM sync source successfully * - ESP_ERR_INVALID_ARG: Delete MCPWM sync source failed because of invalid argument * - ESP_FAIL: Delete MCPWM sync source failed because of other error *//* ... */ esp_err_t mcpwm_del_sync_src(mcpwm_sync_handle_t sync); /** * @brief Activate the software sync, trigger the sync event for once * * @param[in] sync MCPWM soft sync handle, allocated by `mcpwm_new_soft_sync_src()` * @return * - ESP_OK: Trigger MCPWM software sync event successfully * - ESP_ERR_INVALID_ARG: Trigger MCPWM software sync event failed because of invalid argument * - ESP_FAIL: Trigger MCPWM software sync event failed because of other error *//* ... */ esp_err_t mcpwm_soft_sync_activate(mcpwm_sync_handle_t sync); #ifdef __cplusplus }{...} #endif
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