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esp32s3/rmt: Use the Espressif's common RMT driver.

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This commit use the new common RMT driver for all Espressif's
xtensa-based chips on ESP32-S3.
This commit is contained in:
Tiago Medicci Serrano 2023-12-07 15:18:21 -03:00 committed by Xiang Xiao
parent 1ca460c89a
commit 000bf2a7c7
7 changed files with 360 additions and 0 deletions
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97
boards/xtensa/esp32s3/common/include/esp32s3_board_rmt.h Normal file
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@ -0,0 +1,97 @@
/****************************************************************************
* boards/xtensa/esp32s3/common/include/esp32s3_board_rmt.h
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you 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 __BOARDS_XTENSA_ESP32S3_COMMON_INCLUDE_ESP32S3_BOARD_RMT_H
#define __BOARDS_XTENSA_ESP32S3_COMMON_INCLUDE_ESP32S3_BOARD_RMT_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
#ifndef __ASSEMBLY__
/****************************************************************************
* Public Data
****************************************************************************/
#undef EXTERN
#if defined(__cplusplus)
#define EXTERN extern "C"
extern "C"
{
#else
#define EXTERN extern
#endif
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
#ifdef CONFIG_ESP_RMT
/****************************************************************************
* Name: board_rmt_rxinitialize
*
* Description:
* Initialize the RMT peripheral and register a RX device.
*
* Input Parameters:
* ch - the RMT's channel that will be used
* pin - The pin used for the RX channel
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
int board_rmt_rxinitialize(int ch, int pin);
/****************************************************************************
* Name: board_rmt_txinitialize
*
* Description:
* Initialize the RMT peripheral and register a TX device.
*
* Input Parameters:
* ch - the RMT's channel that will be used
* pin - The pin used for the TX channel
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
int board_rmt_txinitialize(int ch, int pin);
#endif /* CONFIG_ESP_RMT */
#undef EXTERN
#if defined(__cplusplus)
}
#endif
#endif /* __ASSEMBLY__ */
#endif /* __BOARDS_XTENSA_ESP32S3_COMMON_INCLUDE_ESP32S3_BOARD_RMT_H */

4
boards/xtensa/esp32s3/common/src/Make.defs
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@ -60,6 +60,10 @@ ifeq ($(CONFIG_NET_LAN9250),y)
CSRCS += esp32s3_lan9250.c
endif
ifeq ($(CONFIG_ESP_RMT),y)
CSRCS += esp32s3_board_rmt.c
endif
DEPPATH += --dep-path src
VPATH += :src
CFLAGS += ${INCDIR_PREFIX}$(TOPDIR)$(DELIM)arch$(DELIM)$(CONFIG_ARCH)$(DELIM)src$(DELIM)board$(DELIM)src

152
boards/xtensa/esp32s3/common/src/esp32s3_board_rmt.c Normal file
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@ -0,0 +1,152 @@
/****************************************************************************
* boards/xtensa/esp32s3/common/src/esp32s3_board_rmt.c
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you 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.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <errno.h>
#include <debug.h>
#include <stdio.h>
#include "xtensa.h"
#include <nuttx/kmalloc.h>
#include <nuttx/rmt/rmtchar.h>
#ifdef CONFIG_WS2812_NON_SPI_DRIVER
#include <nuttx/leds/ws2812.h>
#include "espressif/esp_ws2812.h"
#endif
#include "espressif/esp_rmt.h"
#ifdef CONFIG_ESP_RMT
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/****************************************************************************
* Private Types
****************************************************************************/
/****************************************************************************
* Private Function Prototypes
****************************************************************************/
/****************************************************************************
* Private Data
****************************************************************************/
/****************************************************************************
* Public Data
****************************************************************************/
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: board_rmt_rxinitialize
*
* Description:
* Initialize the RMT peripheral and register a RX device.
*
* Input Parameters:
* ch - the RMT's channel that will be used
* pin - The pin used for the RX channel
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
int board_rmt_rxinitialize(int ch, int pin)
{
int ret;
struct rmt_dev_s *rmt = esp_rmt_rx_init(ch, pin);
ret = rmtchar_register(rmt);
if (ret < 0)
{
rmterr("ERROR: rmtchar_register failed: %d\n", ret);
return ret;
}
return ret;
}
/****************************************************************************
* Name: board_rmt_txinitialize
*
* Description:
* Initialize the RMT peripheral and register a TX device.
*
* Input Parameters:
* ch - the RMT's channel that will be used
* pin - The pin used for the TX channel
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
int board_rmt_txinitialize(int ch, int pin)
{
int ret;
struct rmt_dev_s *rmt;
#ifdef CONFIG_WS2812_NON_SPI_DRIVER
struct ws2812_dev_s *led;
#endif
rmt = esp_rmt_tx_init(ch, pin);
if (rmt == NULL)
{
rmterr("ERROR: esp_rmt_tx_init failed\n");
return -ENODEV;
}
ret = rmtchar_register(rmt);
if (ret < 0)
{
rmterr("ERROR: rmtchar_register failed: %d\n", ret);
return ret;
}
#ifdef CONFIG_WS2812_NON_SPI_DRIVER
led = esp_ws2812_setup("/dev/leds0", rmt, CONFIG_WS2812_LED_COUNT, false);
if (led == NULL)
{
rmterr("ERROR: esp_ws2812_setup failed\n");
return -ENODEV;
}
#endif
return ret;
}
#endif

11
boards/xtensa/esp32s3/esp32s3-devkit/Kconfig
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@ -5,6 +5,17 @@
if ARCH_BOARD_ESP32S3_DEVKIT
choice
prompt "ESP32-S3-DevKitC-1 version"
default ESP32S3_DEVKITC_1_V10
config ESP32S3_DEVKITC_1_V10
bool "ESP32-S3-DevKitC-1 v1.0"
config ESP32S3_DEVKITC_1_V11
bool "ESP32-S3-DevKitC-1 v1.1"
endchoice
config ESP32S3_STORAGE_MTD_OFFSET
hex "Storage MTD base address in SPI Flash"
default 0x180000 if !ESP32S3_HAVE_OTA_PARTITION

58
boards/xtensa/esp32s3/esp32s3-devkit/configs/rmt/defconfig Normal file
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@ -0,0 +1,58 @@
#
# This file is autogenerated: PLEASE DO NOT EDIT IT.
#
# You can use "make menuconfig" to make any modifications to the installed .config file.
# You can then do "make savedefconfig" to generate a new defconfig file that includes your
# modifications.
#
# CONFIG_ARCH_LEDS is not set
# CONFIG_ASSERTIONS_FILENAME is not set
# CONFIG_NDEBUG is not set
# CONFIG_NSH_ARGCAT is not set
# CONFIG_NSH_CMDOPT_HEXDUMP is not set
CONFIG_ARCH="xtensa"
CONFIG_ARCH_BOARD="esp32s3-devkit"
CONFIG_ARCH_BOARD_COMMON=y
CONFIG_ARCH_BOARD_ESP32S3_DEVKIT=y
CONFIG_ARCH_CHIP="esp32s3"
CONFIG_ARCH_CHIP_ESP32S3=y
CONFIG_ARCH_CHIP_ESP32S3WROOM1=y
CONFIG_ARCH_INTERRUPTSTACK=2048
CONFIG_ARCH_STACKDUMP=y
CONFIG_ARCH_XTENSA=y
CONFIG_BOARD_LOOPSPERMSEC=16717
CONFIG_BUILTIN=y
CONFIG_ESP32S3_UART0=y
CONFIG_ESP_RMT=y
CONFIG_EXAMPLES_RMTCHAR=y
CONFIG_EXAMPLES_RMTCHAR_RX=y
CONFIG_EXAMPLES_RMTCHAR_TX=y
CONFIG_EXAMPLES_WS2812=y
CONFIG_FS_PROCFS=y
CONFIG_HAVE_CXX=y
CONFIG_HAVE_CXXINITIALIZE=y
CONFIG_IDLETHREAD_STACKSIZE=3072
CONFIG_INIT_ENTRYPOINT="nsh_main"
CONFIG_INTELHEX_BINARY=y
CONFIG_NSH_ARCHINIT=y
CONFIG_NSH_BUILTIN_APPS=y
CONFIG_NSH_FILEIOSIZE=512
CONFIG_NSH_LINELEN=64
CONFIG_NSH_READLINE=y
CONFIG_PREALLOC_TIMERS=4
CONFIG_RAM_SIZE=114688
CONFIG_RAM_START=0x20000000
CONFIG_RMT=y
CONFIG_RMTCHAR=y
CONFIG_RMT_DEFAULT_RX_BUFFER_SIZE=256
CONFIG_RR_INTERVAL=200
CONFIG_SCHED_WAITPID=y
CONFIG_START_DAY=6
CONFIG_START_MONTH=12
CONFIG_START_YEAR=2011
CONFIG_SYSLOG_BUFFER=y
CONFIG_SYSTEM_NSH=y
CONFIG_UART0_SERIAL_CONSOLE=y
CONFIG_WS2812=y
CONFIG_WS2812_LED_COUNT=100
CONFIG_WS2812_NON_SPI_DRIVER=y

20
boards/xtensa/esp32s3/esp32s3-devkit/src/esp32s3-devkit.h
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@ -44,6 +44,26 @@
#define BUTTON_BOOT 0
/* RMT gpio */
#define RMT_RXCHANNEL 4
#define RMT_TXCHANNEL 0
#ifdef CONFIG_RMT_LOOP_TEST_MODE
# define RMT_INPUT_PIN 0
# define RMT_OUTPUT_PIN 0
#else
# define RMT_INPUT_PIN 2
/* The on-board RGB LED pin differs depending on the board version */
# ifdef CONFIG_ESP32S3_DEVKITC_1_V10
# define RMT_OUTPUT_PIN 48
# else
# define RMT_OUTPUT_PIN 38
# endif
#endif
/****************************************************************************
* Public Types
****************************************************************************/

18
boards/xtensa/esp32s3/esp32s3-devkit/src/esp32s3_bringup.c
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@ -96,6 +96,10 @@
# include "esp32s3_partition.h"
#endif
#ifdef CONFIG_ESP_RMT
# include "esp32s3_board_rmt.h"
#endif
#include "esp32s3-devkit.h"
/****************************************************************************
@ -206,6 +210,20 @@ int esp32s3_bringup(void)
}
#endif
#ifdef CONFIG_ESP_RMT
ret = board_rmt_txinitialize(RMT_TXCHANNEL, RMT_OUTPUT_PIN);
if (ret < 0)
{
syslog(LOG_ERR, "ERROR: board_rmt_txinitialize() failed: %d\n", ret);
}
ret = board_rmt_rxinitialize(RMT_RXCHANNEL, RMT_INPUT_PIN);
if (ret < 0)
{
syslog(LOG_ERR, "ERROR: board_rmt_txinitialize() failed: %d\n", ret);
}
#endif
#ifdef CONFIG_RTC_DRIVER
/* Instantiate the ESP32-S3 RTC driver */