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https://github.com/espressif/esp-idf.git
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117 lines
4.6 KiB
C
117 lines
4.6 KiB
C
/*
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* SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#pragma once
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#include <stdint.h>
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#include <stdbool.h>
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#include <stdarg.h>
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#include "esp_err.h"
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#include "driver/mcpwm_types.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @brief MCPWM GPIO fault configuration structure
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*/
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typedef struct {
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int group_id; /*!< In which MCPWM group that the GPIO fault belongs to */
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int intr_priority; /*!< MCPWM GPIO fault interrupt priority,
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if set to 0, the driver will try to allocate an interrupt with a relative low priority (1,2,3) */
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int gpio_num; /*!< GPIO used by the fault signal */
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struct {
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uint32_t active_level: 1; /*!< On which level the fault signal is treated as active */
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uint32_t io_loop_back: 1; /*!< For debug/test, the signal output from the GPIO will be fed to the input path as well */
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uint32_t pull_up: 1; /*!< Whether to pull up internally */
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uint32_t pull_down: 1; /*!< Whether to pull down internally */
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} flags; /*!< Extra configuration flags for GPIO fault */
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} mcpwm_gpio_fault_config_t;
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/**
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* @brief Create MCPWM GPIO fault
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*
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* @param[in] config MCPWM GPIO fault configuration
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* @param[out] ret_fault Returned GPIO fault handle
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* @return
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* - ESP_OK: Create MCPWM GPIO fault successfully
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* - ESP_ERR_INVALID_ARG: Create MCPWM GPIO fault failed because of invalid argument
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* - ESP_ERR_NO_MEM: Create MCPWM GPIO fault failed because out of memory
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* - ESP_ERR_NOT_FOUND: Create MCPWM GPIO fault failed because can't find free resource
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* - ESP_FAIL: Create MCPWM GPIO fault failed because of other error
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*/
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esp_err_t mcpwm_new_gpio_fault(const mcpwm_gpio_fault_config_t *config, mcpwm_fault_handle_t *ret_fault);
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/**
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* @brief MCPWM software fault configuration structure
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*/
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typedef struct {
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} mcpwm_soft_fault_config_t;
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/**
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* @brief Create MCPWM software fault
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*
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* @param[in] config MCPWM software fault configuration
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* @param[out] ret_fault Returned software fault handle
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* @return
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* - ESP_OK: Create MCPWM software fault successfully
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* - ESP_ERR_INVALID_ARG: Create MCPWM software fault failed because of invalid argument
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* - ESP_ERR_NO_MEM: Create MCPWM software fault failed because out of memory
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* - ESP_FAIL: Create MCPWM software fault failed because of other error
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*/
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esp_err_t mcpwm_new_soft_fault(const mcpwm_soft_fault_config_t *config, mcpwm_fault_handle_t *ret_fault);
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/**
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* @brief Delete MCPWM fault
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*
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* @param[in] fault MCPWM fault handle allocated by `mcpwm_new_gpio_fault()` or `mcpwm_new_soft_fault()`
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* @return
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* - ESP_OK: Delete MCPWM fault successfully
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* - ESP_ERR_INVALID_ARG: Delete MCPWM fault failed because of invalid argument
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* - ESP_FAIL: Delete MCPWM fault failed because of other error
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*/
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esp_err_t mcpwm_del_fault(mcpwm_fault_handle_t fault);
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/**
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* @brief Activate the software fault, trigger the fault event for once
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*
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* @param[in] fault MCPWM soft fault, allocated by `mcpwm_new_soft_fault()`
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* @return
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* - ESP_OK: Trigger MCPWM software fault event successfully
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* - ESP_ERR_INVALID_ARG: Trigger MCPWM software fault event failed because of invalid argument
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* - ESP_FAIL: Trigger MCPWM software fault event failed because of other error
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*/
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esp_err_t mcpwm_soft_fault_activate(mcpwm_fault_handle_t fault);
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/**
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* @brief Group of supported MCPWM fault event callbacks
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* @note The callbacks are all running under ISR environment
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*/
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typedef struct {
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mcpwm_fault_event_cb_t on_fault_enter; /*!< ISR callback function that would be invoked when fault signal becomes active */
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mcpwm_fault_event_cb_t on_fault_exit; /*!< ISR callback function that would be invoked when fault signal becomes inactive */
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} mcpwm_fault_event_callbacks_t;
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/**
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* @brief Set event callbacks for MCPWM fault
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*
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* @note User can deregister a previously registered callback by calling this function and setting the callback member in the `cbs` structure to NULL.
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*
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* @param[in] fault MCPWM GPIO fault handle, allocated by `mcpwm_new_gpio_fault()`
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* @param[in] cbs Group of callback functions
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* @param[in] user_data User data, which will be passed to callback functions directly
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* @return
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* - ESP_OK: Set event callbacks successfully
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* - ESP_ERR_INVALID_ARG: Set event callbacks failed because of invalid argument
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* - ESP_FAIL: Set event callbacks failed because of other error
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*/
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esp_err_t mcpwm_fault_register_event_callbacks(mcpwm_fault_handle_t fault, const mcpwm_fault_event_callbacks_t *cbs, void *user_data);
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#ifdef __cplusplus
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}
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#endif
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