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feat(pcnt): support step_notify on esp32h2 eco5

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This commit is contained in:
Chen Jichang
2024-12-09 19:05:04 +08:00
parent a0a85db5f5
commit 3779757cd3
7 changed files with 260 additions and 136 deletions
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61
components/hal/esp32h2/include/hal/pcnt_ll.h
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@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2022-2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -19,6 +19,9 @@
#include <stdbool.h>
#include "soc/pcnt_struct.h"
#include "hal/pcnt_types.h"
#include "hal/misc.h"
#include "hal/efuse_hal.h"
#include "soc/chip_revision.h"
#include "soc/pcr_struct.h"
#ifdef __cplusplus
@@ -40,6 +43,12 @@ typedef enum {
PCNT_LL_WATCH_EVENT_MAX
} pcnt_ll_watch_event_id_t;
typedef enum {
PCNT_LL_STEP_EVENT_REACH_LIMIT = PCNT_LL_WATCH_EVENT_MAX,
PCNT_LL_STEP_EVENT_REACH_INTERVAL
} pcnt_ll_step_event_id_t;
#define PCNT_LL_STEP_NOTIFY_DIR_LIMIT 1
#define PCNT_LL_WATCH_EVENT_MASK ((1 << PCNT_LL_WATCH_EVENT_MAX) - 1)
#define PCNT_LL_UNIT_WATCH_EVENT(unit_id) (1 << (unit_id))
@@ -137,6 +146,46 @@ static inline void pcnt_ll_clear_count(pcnt_dev_t *hw, uint32_t unit)
hw->ctrl.val &= ~(1 << (2 * unit));
}
/**
* @brief Enable PCNT step comparator event
*
* @param hw Peripheral PCNT hardware instance address.
* @param unit PCNT unit number
* @param enable true to enable, false to disable
*/
static inline void pcnt_ll_enable_step_notify(pcnt_dev_t *hw, uint32_t unit, bool enable)
{
if (enable) {
hw->ctrl.val |= 1 << (8 + unit);
} else {
hw->ctrl.val &= ~(1 << (8 + unit));
}
}
/**
* @brief Set PCNT step value
*
* @param hw Peripheral PCNT hardware instance address.
* @param unit PCNT unit number
* @param value PCNT step value
*/
static inline void pcnt_ll_set_step_value(pcnt_dev_t *hw, uint32_t unit, int value)
{
HAL_FORCE_MODIFY_U32_REG_FIELD(hw->change_conf_unit[3 - unit], cnt_step, value);
}
/**
* @brief Set PCNT step limit value
*
* @param hw Peripheral PCNT hardware instance address.
* @param unit PCNT unit number
* @param value PCNT step limit value
*/
static inline void pcnt_ll_set_step_limit_value(pcnt_dev_t *hw, uint32_t unit, int value)
{
HAL_FORCE_MODIFY_U32_REG_FIELD(hw->change_conf_unit[3 - unit], cnt_step_lim, value);
}
/**
* @brief Enable PCNT interrupt for PCNT unit
* @note Each PCNT unit has five watch point events that share the same interrupt bit.
@@ -458,6 +507,16 @@ static inline void pcnt_ll_reset_register(int group_id)
PCR.pcnt_conf.pcnt_rst_en = 0;
}
/**
* @brief Check if the step notify is supported
*/
static inline bool pcnt_ll_is_step_notify_supported(int group_id)
{
(void)group_id;
return ESP_CHIP_REV_ABOVE(efuse_hal_chip_revision(), 102);
}
#ifdef __cplusplus
}
#endif