mirror of
https://github.com/0xFEEDC0DE64/arduino-esp32.git
synced 2025-10-30 21:51:40 +01:00
214 lines
7.0 KiB
C
214 lines
7.0 KiB
C
// Copyright 2015-2019 Espressif Systems (Shanghai) PTE LTD
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
/*******************************************************************************
|
|
* NOTICE
|
|
* The hal is not public api, don't use in application code.
|
|
* See readme.md in soc/include/hal/readme.md
|
|
******************************************************************************/
|
|
|
|
// The HAL layer for PCNT.
|
|
// There is no parameter check in the hal layer, so the caller must ensure the correctness of the parameters.
|
|
|
|
#pragma once
|
|
|
|
#include <stdio.h>
|
|
#include "soc/pcnt_periph.h"
|
|
#include "hal/pcnt_types.h"
|
|
#include "hal/pcnt_ll.h"
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/**
|
|
* Context that should be maintained by both the driver and the HAL
|
|
*/
|
|
|
|
typedef struct {
|
|
pcnt_dev_t *dev;
|
|
} pcnt_hal_context_t;
|
|
|
|
/**
|
|
* @brief Set PCNT counter mode
|
|
*
|
|
* @param hal Context of the HAL layer
|
|
* @param unit PCNT unit number
|
|
* @param channel PCNT channel number
|
|
* @param pos_mode Counter mode when detecting positive edge
|
|
* @param neg_mode Counter mode when detecting negative edge
|
|
* @param hctrl_mode Counter mode when control signal is high level
|
|
* @param lctrl_mode Counter mode when control signal is low level
|
|
*/
|
|
#define pcnt_hal_set_mode(hal, unit, channel, pos_mode, neg_mode, hctrl_mode, lctrl_mode) pcnt_ll_set_mode((hal)->dev, unit, channel, pos_mode, neg_mode, hctrl_mode, lctrl_mode)
|
|
|
|
/**
|
|
* @brief Get pulse counter value
|
|
*
|
|
* @param hal Context of the HAL layer
|
|
* @param unit Pulse Counter unit number
|
|
* @param count Pointer to accept counter value
|
|
*/
|
|
#define pcnt_hal_get_counter_value(hal, unit, count) pcnt_ll_get_counter_value((hal)->dev, unit, count)
|
|
|
|
/**
|
|
* @brief Pause PCNT counter of PCNT unit
|
|
*
|
|
* @param hal Context of the HAL layer
|
|
* @param unit PCNT unit number
|
|
*/
|
|
#define pcnt_hal_counter_pause(hal, unit) pcnt_ll_counter_pause((hal)->dev, unit)
|
|
|
|
/**
|
|
* @brief Resume counting for PCNT counter
|
|
*
|
|
* @param hal Context of the HAL layer
|
|
* @param unit PCNT unit number, select from unit_t
|
|
*/
|
|
#define pcnt_hal_counter_resume(hal, unit) pcnt_ll_counter_resume((hal)->dev, unit)
|
|
|
|
/**
|
|
* @brief Clear and reset PCNT counter value to zero
|
|
*
|
|
* @param hal Context of the HAL layer
|
|
* @param unit PCNT unit number, select from unit_t
|
|
*/
|
|
#define pcnt_hal_counter_clear(hal, unit) pcnt_ll_counter_clear((hal)->dev, unit)
|
|
|
|
/**
|
|
* @brief Enable PCNT interrupt for PCNT unit
|
|
* @note
|
|
* Each Pulse counter unit has five watch point events that share the same interrupt.
|
|
* Configure events with pcnt_event_enable() and pcnt_event_disable()
|
|
*
|
|
* @param hal Context of the HAL layer
|
|
* @param unit PCNT unit number
|
|
*/
|
|
#define pcnt_hal_intr_enable(hal, unit) pcnt_ll_intr_enable((hal)->dev, unit)
|
|
|
|
/**
|
|
* @brief Disable PCNT interrupt for PCNT unit
|
|
*
|
|
* @param hal Context of the HAL layer
|
|
* @param unit PCNT unit number
|
|
*/
|
|
#define pcnt_hal_intr_disable(hal, unit) pcnt_ll_intr_disable((hal)->dev, unit)
|
|
|
|
/**
|
|
* @brief Get PCNT interrupt status
|
|
*
|
|
* @param hal Context of the HAL layer
|
|
* @param mask The interrupt status mask to be cleared. Pointer to accept value interrupt status mask.
|
|
*/
|
|
#define pcnt_hal_get_intr_status(hal, mask) pcnt_ll_get_intr_status((hal)->dev, mask)
|
|
|
|
/**
|
|
* @brief Clear PCNT interrupt status
|
|
*
|
|
* @param hal Context of the HAL layer
|
|
* @param mask The interrupt status mask to be cleared.
|
|
*/
|
|
#define pcnt_hal_clear_intr_status(hal, mask) pcnt_ll_clear_intr_status((hal)->dev, mask)
|
|
|
|
/**
|
|
* @brief Enable PCNT event of PCNT unit
|
|
*
|
|
* @param hal Context of the HAL layer
|
|
* @param unit PCNT unit number
|
|
* @param evt_type Watch point event type.
|
|
* All enabled events share the same interrupt (one interrupt per pulse counter unit).
|
|
*/
|
|
#define pcnt_hal_event_enable(hal, unit, evt_type) pcnt_ll_event_enable((hal)->dev, unit, evt_type)
|
|
|
|
/**
|
|
* @brief Disable PCNT event of PCNT unit
|
|
*
|
|
* @param hal Context of the HAL layer
|
|
* @param unit PCNT unit number
|
|
* @param evt_type Watch point event type.
|
|
* All enabled events share the same interrupt (one interrupt per pulse counter unit).
|
|
*/
|
|
#define pcnt_hal_event_disable(hal, unit, evt_type) pcnt_ll_event_disable((hal)->dev, unit, evt_type)
|
|
|
|
/**
|
|
* @brief Set PCNT event value of PCNT unit
|
|
*
|
|
* @param hal Context of the HAL layer
|
|
* @param unit PCNT unit number
|
|
* @param evt_type Watch point event type.
|
|
* All enabled events share the same interrupt (one interrupt per pulse counter unit).
|
|
*
|
|
* @param value Counter value for PCNT event
|
|
*/
|
|
#define pcnt_hal_set_event_value(hal, unit, evt_type, value) pcnt_ll_set_event_value((hal)->dev, unit, evt_type, value)
|
|
|
|
/**
|
|
* @brief Get PCNT event value of PCNT unit
|
|
*
|
|
* @param hal Context of the HAL layer
|
|
* @param unit PCNT unit number
|
|
* @param evt_type Watch point event type.
|
|
* All enabled events share the same interrupt (one interrupt per pulse counter unit).
|
|
* @param value Pointer to accept counter value for PCNT event
|
|
*/
|
|
#define pcnt_hal_get_event_value(hal, unit, evt_type, value) pcnt_ll_get_event_value((hal)->dev, unit, evt_type, value)
|
|
|
|
/**
|
|
* @brief Set PCNT filter value
|
|
*
|
|
* @param hal Context of the HAL layer
|
|
* @param unit PCNT unit number
|
|
* @param filter_val PCNT signal filter value, counter in APB_CLK cycles.
|
|
* Any pulses lasting shorter than this will be ignored when the filter is enabled.
|
|
* @note
|
|
* filter_val is a 10-bit value, so the maximum filter_val should be limited to 1023.
|
|
*/
|
|
#define pcnt_hal_set_filter_value(hal, unit, filter_val) pcnt_ll_set_filter_value((hal)->dev, unit, filter_val)
|
|
|
|
/**
|
|
* @brief Get PCNT filter value
|
|
*
|
|
* @param hal Context of the HAL layer
|
|
* @param unit PCNT unit number
|
|
* @param filter_val Pointer to accept PCNT filter value.
|
|
*/
|
|
#define pcnt_hal_get_filter_value(hal, unit, filter_val) pcnt_ll_get_filter_value((hal)->dev, unit, filter_val)
|
|
|
|
/**
|
|
* @brief Enable PCNT input filter
|
|
*
|
|
* @param hal Context of the HAL layer
|
|
* @param unit PCNT unit number
|
|
*/
|
|
#define pcnt_hal_filter_enable(hal, unit) pcnt_ll_filter_enable((hal)->dev, unit)
|
|
|
|
/**
|
|
* @brief Disable PCNT input filter
|
|
*
|
|
* @param hal Context of the HAL layer
|
|
* @param unit PCNT unit number
|
|
*/
|
|
#define pcnt_hal_filter_disable(hal, unit) pcnt_ll_filter_disable((hal)->dev, unit)
|
|
|
|
/**
|
|
* @brief Init the PCNT hal and set the PCNT to the default configuration. This function should be called first before other hal layer function is called
|
|
*
|
|
* @param hal Context of the HAL layer
|
|
* @param pcnt_num The uart port number, the max port number is (PCNT_NUM_MAX -1)
|
|
*/
|
|
void pcnt_hal_init(pcnt_hal_context_t *hal, int pcnt_num);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif |