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https://github.com/espressif/esp-idf.git
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2fb43820c2
The legacy driver can't handle the breaking change between esp chips very well. And it's not elegant to extend new feature like DMA, ETM. The new driver can return a opaque handle for each RMT channel. An obvious transaction concept was also introduced. TX and RX functionalities are splited out.
63 lines
1.3 KiB
C
63 lines
1.3 KiB
C
/*
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* SPDX-FileCopyrightText: 2019-2022 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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/*******************************************************************************
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* NOTICE
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* The hal is not public api, don't use in application code.
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* See readme.md in hal/include/hal/readme.md
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******************************************************************************/
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#pragma once
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#include <stdint.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct rmt_dev_t *rmt_soc_handle_t; // RMT SOC layer handle
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/**
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* @brief HAL context type of RMT driver
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*/
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typedef struct {
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rmt_soc_handle_t regs; /*!< RMT Register base address */
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} rmt_hal_context_t;
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/**
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* @brief Initialize the RMT HAL driver
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*
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* @param hal: RMT HAL context
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*/
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void rmt_hal_init(rmt_hal_context_t *hal);
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/**
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* @brief Deinitialize the RMT HAL driver
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*
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* @param hal: RMT HAL context
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*/
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void rmt_hal_deinit(rmt_hal_context_t *hal);
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/**
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* @brief Reset RMT TX Channel
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*
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* @param hal: RMT HAL context
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* @param channel: RMT channel number
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*/
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void rmt_hal_tx_channel_reset(rmt_hal_context_t *hal, uint32_t channel);
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/**
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* @brief Reset RMT TX Channel
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*
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* @param hal: RMT HAL context
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* @param channel: RMT channel number
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*/
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void rmt_hal_rx_channel_reset(rmt_hal_context_t *hal, uint32_t channel);
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#ifdef __cplusplus
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}
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#endif
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