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gpio: support glitch filter

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This commit is contained in:
morris
2022-10-11 18:04:54 +08:00
parent 2b9d3a37ee
commit 62f1cbca2c
36 changed files with 945 additions and 83 deletions
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66
components/hal/esp32c6/include/hal/gpio_glitch_filter_ll.h Normal file
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@@ -0,0 +1,66 @@
/*
* SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
/*******************************************************************************
* NOTICE
* The hal is not public api, don't use in application code.
* See readme.md in hal/include/hal/readme.md
******************************************************************************/
#pragma once
#include <stdbool.h>
#include "hal/assert.h"
#include "soc/gpio_ext_struct.h"
#define GPIO_LL_GLITCH_FILTER_MAX_WINDOW 64
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief Enable GPIO glitch filter
*
* @param hw Glitch filter register base address
* @param filter_idx Glitch filter index
* @param enable True to enable, false to disable
*/
static inline void gpio_ll_glitch_filter_enable(gpio_glitch_filter_dev_t *hw, uint32_t filter_idx, bool enable)
{
hw->glitch_filter_chn[filter_idx].filter_chn_en = enable;
}
/**
* @brief Set the input GPIO for the glitch filter
*
* @param hw Glitch filter register base address
* @param filter_idx Glitch filter index
* @param gpio_num GPIO number
*/
static inline void gpio_ll_glitch_filter_set_gpio(gpio_glitch_filter_dev_t *hw, uint32_t filter_idx, uint32_t gpio_num)
{
hw->glitch_filter_chn[filter_idx].filter_chn_input_io_num = gpio_num;
}
/**
* @brief Set the coefficient of the glitch filter window
*
* @param hw Glitch filter register base address
* @param filter_idx Glitch filter index
* @param window_width Window width, in IOMUX clock ticks
* @param window_threshold Window threshold, in IOMUX clock ticks
*/
static inline void gpio_ll_glitch_filter_set_window_coeff(gpio_glitch_filter_dev_t *hw, uint32_t filter_idx, uint32_t window_width, uint32_t window_thres)
{
HAL_ASSERT(window_thres <= window_width);
hw->glitch_filter_chn[filter_idx].filter_chn_window_width = window_width - 1;
hw->glitch_filter_chn[filter_idx].filter_chn_window_thres = window_thres - 1;
}
#ifdef __cplusplus
}
#endif

22
components/hal/esp32c6/include/hal/gpio_ll.h
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@@ -201,6 +201,28 @@ static inline void gpio_ll_input_enable(gpio_dev_t *hw, uint32_t gpio_num)
PIN_INPUT_ENABLE(IO_MUX_GPIO0_REG + (gpio_num * 4));
}
/**
* @brief Enable GPIO pin filter
*
* @param hw Peripheral GPIO hardware instance address.
* @param gpio_num GPIO number of the pad.
*/
static inline void gpio_ll_pin_filter_enable(gpio_dev_t *hw, uint32_t gpio_num)
{
PIN_FILTER_EN(IO_MUX_GPIO0_REG + (gpio_num * 4));
}
/**
* @brief Disable GPIO pin filter
*
* @param hw Peripheral GPIO hardware instance address.
* @param gpio_num GPIO number of the pad.
*/
static inline void gpio_ll_pin_filter_disable(gpio_dev_t *hw, uint32_t gpio_num)
{
PIN_FILTER_DIS(IO_MUX_GPIO0_REG + (gpio_num * 4));
}
/**
* @brief Disable output mode on GPIO.
*