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rmt: document and improve LL driver

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This commit is contained in:
morris
2022-03-01 15:06:29 +08:00
parent 06df46e26a
commit 9f55712c03
30 changed files with 3135 additions and 1936 deletions
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31
components/soc/esp32/include/soc/rmt_reg.h
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@@ -1,20 +1,16 @@
// Copyright 2015-2016 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.
#ifndef _SOC_RMT_REG_H_
#define _SOC_RMT_REG_H_
/*
* SPDX-FileCopyrightText: 2015-2022 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#pragma once
#include "soc.h"
#ifdef __cplusplus
extern "C" {
#endif
#define RMT_CH0DATA_REG (DR_REG_RMT_BASE + 0x0000)
#define RMT_CH1DATA_REG (DR_REG_RMT_BASE + 0x0004)
@@ -2598,5 +2594,6 @@
/* RMT memory block address */
#define RMT_CHANNEL_MEM(i) (DR_REG_RMT_BASE + 0x800 + 64 * 4 * (i))
#endif /*_SOC_RMT_REG_H_ */
#ifdef __cplusplus
}
#endif

14
components/soc/esp32/include/soc/soc_caps.h
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@@ -219,13 +219,13 @@
#define SOC_PCNT_THRES_POINT_PER_UNIT (2)
/*-------------------------- RMT CAPS ----------------------------------------*/
#define SOC_RMT_GROUPS (1U) /*!< One RMT group */
#define SOC_RMT_TX_CANDIDATES_PER_GROUP (8) /*!< Number of channels that capable of Transmit in each group */
#define SOC_RMT_RX_CANDIDATES_PER_GROUP (8) /*!< Number of channels that capable of Receive in each group */
#define SOC_RMT_CHANNELS_PER_GROUP (8) /*!< Total 8 channels */
#define SOC_RMT_MEM_WORDS_PER_CHANNEL (64) /*!< Each channel owns 64 words memory */
#define SOC_RMT_SUPPORT_REF_TICK (1) /*!< Support set REF_TICK as the RMT clock source */
#define SOC_RMT_CHANNEL_CLK_INDEPENDENT (1) /*!< Can select different source clock for each channel */
#define SOC_RMT_GROUPS 1U /*!< One RMT group */
#define SOC_RMT_TX_CANDIDATES_PER_GROUP 8 /*!< Number of channels that capable of Transmit in each group */
#define SOC_RMT_RX_CANDIDATES_PER_GROUP 8 /*!< Number of channels that capable of Receive in each group */
#define SOC_RMT_CHANNELS_PER_GROUP 8 /*!< Total 8 channels */
#define SOC_RMT_MEM_WORDS_PER_CHANNEL 64 /*!< Each channel owns 64 words memory */
#define SOC_RMT_SUPPORT_REF_TICK 1 /*!< Support set REF_TICK as the RMT clock source */
#define SOC_RMT_CHANNEL_CLK_INDEPENDENT 1 /*!< Can select different source clock for each channel */
/*-------------------------- RTCIO CAPS --------------------------------------*/
#define SOC_RTCIO_PIN_COUNT 18