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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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8
components/soc/esp32c3/include/soc/Kconfig.soc_caps.in
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@@ -379,6 +379,10 @@ config SOC_RMT_SUPPORT_RX_DEMODULATION
bool
default y
config SOC_RMT_SUPPORT_TX_ASYNC_STOP
bool
default y
config SOC_RMT_SUPPORT_TX_LOOP_COUNT
bool
default y
@@ -387,6 +391,10 @@ config SOC_RMT_SUPPORT_TX_SYNCHRO
bool
default y
config SOC_RMT_SUPPORT_TX_CARRIER_ALWAYS_ON
bool
default y
config SOC_RMT_SUPPORT_XTAL
bool
default y

28
components/soc/esp32c3/include/soc/rmt_reg.h
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@@ -1,24 +1,16 @@
// Copyright 2020 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: 2020-2022 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#pragma once
#include "soc.h"
#ifdef __cplusplus
extern "C" {
#endif
#include "soc.h"
#define RMT_CH0DATA_REG (DR_REG_RMT_BASE + 0x0000)
#define RMT_CH1DATA_REG (DR_REG_RMT_BASE + 0x0004)
@@ -1138,7 +1130,3 @@ extern "C" {
#ifdef __cplusplus
}
#endif
#endif /*_SOC_RMT_REG_H_ */

22
components/soc/esp32c3/include/soc/soc_caps.h
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@@ -174,16 +174,18 @@
#define SOC_MPU_REGION_WO_SUPPORTED 0
/*--------------------------- RMT CAPS ---------------------------------------*/
#define SOC_RMT_GROUPS (1U) /*!< One RMT group */
#define SOC_RMT_TX_CANDIDATES_PER_GROUP (2) /*!< Number of channels that capable of Transmit */
#define SOC_RMT_RX_CANDIDATES_PER_GROUP (2) /*!< Number of channels that capable of Receive */
#define SOC_RMT_CHANNELS_PER_GROUP (4) /*!< Total 4 channels */
#define SOC_RMT_MEM_WORDS_PER_CHANNEL (48) /*!< Each channel owns 48 words memory (1 word = 4 Bytes) */
#define SOC_RMT_SUPPORT_RX_PINGPONG (1) /*!< Support Ping-Pong mode on RX path */
#define SOC_RMT_SUPPORT_RX_DEMODULATION (1) /*!< Support signal demodulation on RX path (i.e. remove carrier) */
#define SOC_RMT_SUPPORT_TX_LOOP_COUNT (1) /*!< Support transmit specified number of cycles in loop mode */
#define SOC_RMT_SUPPORT_TX_SYNCHRO (1) /*!< Support coordinate a group of TX channels to start simultaneously */
#define SOC_RMT_SUPPORT_XTAL (1) /*!< Support set XTAL clock as the RMT clock source */
#define SOC_RMT_GROUPS 1U /*!< One RMT group */
#define SOC_RMT_TX_CANDIDATES_PER_GROUP 2 /*!< Number of channels that capable of Transmit */
#define SOC_RMT_RX_CANDIDATES_PER_GROUP 2 /*!< Number of channels that capable of Receive */
#define SOC_RMT_CHANNELS_PER_GROUP 4 /*!< Total 4 channels */
#define SOC_RMT_MEM_WORDS_PER_CHANNEL 48 /*!< Each channel owns 48 words memory (1 word = 4 Bytes) */
#define SOC_RMT_SUPPORT_RX_PINGPONG 1 /*!< Support Ping-Pong mode on RX path */
#define SOC_RMT_SUPPORT_RX_DEMODULATION 1 /*!< Support signal demodulation on RX path (i.e. remove carrier) */
#define SOC_RMT_SUPPORT_TX_ASYNC_STOP 1 /*!< Support stop transmission asynchronously */
#define SOC_RMT_SUPPORT_TX_LOOP_COUNT 1 /*!< Support transmit specified number of cycles in loop mode */
#define SOC_RMT_SUPPORT_TX_SYNCHRO 1 /*!< Support coordinate a group of TX channels to start simultaneously */
#define SOC_RMT_SUPPORT_TX_CARRIER_ALWAYS_ON 1 /*!< TX carrier can be modulated all the time */
#define SOC_RMT_SUPPORT_XTAL 1 /*!< Support set XTAL clock as the RMT clock source */
/*-------------------------- RTC CAPS --------------------------------------*/
#define SOC_RTC_CNTL_CPU_PD_DMA_BUS_WIDTH (128)