esp32s3-devkit: Add support for I2C chardev driver
Signed-off-by: Gustavo Henrique Nihei <gustavo.nihei@espressif.com>
This commit is contained in:
Gustavo Henrique Nihei
Petro Karashchenko
parent
ea829cf7d5
commit
036e3375e8
@ -32,6 +32,10 @@ ifeq ($(CONFIG_ESP32S3_SPIFLASH),y)
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CSRCS += esp32s3_board_spiflash.c
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endif
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ifeq ($(CONFIG_I2C_DRIVER),y)
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CSRCS += esp32s3_board_i2c.c
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endif
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DEPPATH += --dep-path src
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VPATH += :src
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CFLAGS += $(shell $(INCDIR) "$(CC)" $(TOPDIR)$(DELIM)arch$(DELIM)$(CONFIG_ARCH)$(DELIM)src$(DELIM)board$(DELIM)src)
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93
boards/xtensa/esp32s3/common/src/esp32s3_board_i2c.c
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93
boards/xtensa/esp32s3/common/src/esp32s3_board_i2c.c
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@ -0,0 +1,93 @@
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/****************************************************************************
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* boards/xtensa/esp32s3/common/src/esp32s3_board_i2c.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <debug.h>
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#include <errno.h>
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#include <sys/types.h>
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#include <nuttx/i2c/i2c_master.h>
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#include "esp32s3_i2c.h"
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#include "esp32s3-devkit.h"
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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static int i2c_driver_init(int bus)
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{
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struct i2c_master_s *i2c;
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int ret;
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i2c = esp32s3_i2cbus_initialize(bus);
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if (i2c == NULL)
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{
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i2cerr("Failed to get I2C%d interface\n", bus);
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return -ENODEV;
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}
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ret = i2c_register(i2c, bus);
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if (ret < 0)
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{
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i2cerr("Failed to register I2C%d driver: %d\n", bus, ret);
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esp32s3_i2cbus_uninitialize(i2c);
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}
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return ret;
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}
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/****************************************************************************
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* Name: board_i2c_init
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*
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* Description:
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* Configure the I2C driver.
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*
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* Returned Value:
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* Zero (OK) is returned on success; A negated errno value is returned
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* to indicate the nature of any failure.
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*
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****************************************************************************/
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int board_i2c_init(void)
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{
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int ret = OK;
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#ifdef CONFIG_ESP32S3_I2C0
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ret = i2c_driver_init(ESP32S3_I2C0);
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if (ret != OK)
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{
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goto done;
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}
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#endif
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#ifdef CONFIG_ESP32S3_I2C1
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ret = i2c_driver_init(ESP32S3_I2C1);
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#endif
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done:
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return ret;
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}
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60
boards/xtensa/esp32s3/esp32s3-devkit/configs/i2c/defconfig
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60
boards/xtensa/esp32s3/esp32s3-devkit/configs/i2c/defconfig
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@ -0,0 +1,60 @@
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#
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# This file is autogenerated: PLEASE DO NOT EDIT IT.
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#
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# You can use "make menuconfig" to make any modifications to the installed .config file.
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# You can then do "make savedefconfig" to generate a new defconfig file that includes your
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# modifications.
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#
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# CONFIG_ARCH_LEDS is not set
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# CONFIG_NSH_ARGCAT is not set
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# CONFIG_NSH_CMDOPT_HEXDUMP is not set
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# CONFIG_NSH_CMDPARMS is not set
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CONFIG_ARCH="xtensa"
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CONFIG_ARCH_BOARD="esp32s3-devkit"
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CONFIG_ARCH_BOARD_COMMON=y
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CONFIG_ARCH_BOARD_ESP32S3_DEVKIT=y
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CONFIG_ARCH_CHIP="esp32s3"
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CONFIG_ARCH_CHIP_ESP32S3=y
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CONFIG_ARCH_CHIP_ESP32S3WROOM1=y
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CONFIG_ARCH_STACKDUMP=y
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CONFIG_ARCH_XTENSA=y
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CONFIG_BOARD_LOOPSPERMSEC=16717
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CONFIG_BUILTIN=y
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CONFIG_DEBUG_ASSERTIONS=y
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CONFIG_DEBUG_ERROR=y
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CONFIG_DEBUG_FEATURES=y
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CONFIG_DEBUG_I2C=y
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CONFIG_DEBUG_I2C_ERROR=y
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CONFIG_DEBUG_I2C_INFO=y
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CONFIG_DEBUG_I2C_WARN=y
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CONFIG_DEBUG_INFO=y
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CONFIG_DEBUG_WARN=y
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CONFIG_ESP32S3_I2C0=y
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CONFIG_ESP32S3_I2C1=y
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CONFIG_ESP32S3_UART0=y
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CONFIG_FS_PROCFS=y
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CONFIG_HAVE_CXX=y
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CONFIG_HAVE_CXXINITIALIZE=y
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CONFIG_I2CTOOL_DEFFREQ=100000
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CONFIG_I2CTOOL_MAXBUS=1
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CONFIG_I2C_RESET=y
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CONFIG_I2C_TRACE=y
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CONFIG_IDLETHREAD_STACKSIZE=3072
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CONFIG_INIT_ENTRYPOINT="nsh_main"
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CONFIG_INTELHEX_BINARY=y
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CONFIG_NSH_ARCHINIT=y
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CONFIG_NSH_BUILTIN_APPS=y
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CONFIG_NSH_FILEIOSIZE=512
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CONFIG_NSH_LINELEN=64
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CONFIG_NSH_READLINE=y
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CONFIG_PREALLOC_TIMERS=4
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CONFIG_RAM_SIZE=114688
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CONFIG_RAM_START=0x20000000
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CONFIG_RR_INTERVAL=200
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CONFIG_SCHED_WAITPID=y
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CONFIG_START_DAY=28
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CONFIG_START_MONTH=6
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CONFIG_START_YEAR=2022
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CONFIG_SYSTEM_I2CTOOL=y
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CONFIG_SYSTEM_NSH=y
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CONFIG_UART0_SERIAL_CONSOLE=y
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@ -81,5 +81,21 @@ int esp32s3_bringup(void);
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int board_spiflash_init(void);
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#endif
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/****************************************************************************
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* Name: board_i2c_init
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*
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* Description:
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* Configure the I2C driver.
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*
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* Returned Value:
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* Zero (OK) is returned on success; A negated errno value is returned
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* to indicate the nature of any failure.
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*
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****************************************************************************/
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#ifdef CONFIG_I2C_DRIVER
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int board_i2c_init(void);
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#endif
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#endif /* __ASSEMBLY__ */
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#endif /* __BOARDS_XTENSA_ESP32S3_ESP32S3_DEVKIT_SRC_ESP32S3_DEVKIT_H */
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@ -46,6 +46,10 @@
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# include "esp32s3_rt_timer.h"
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#endif
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#ifdef CONFIG_ESP32S3_I2C
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# include "esp32s3_i2c.h"
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#endif
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#ifdef CONFIG_WATCHDOG
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# include "esp32s3_board_wdt.h"
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#endif
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@ -127,6 +131,16 @@ int esp32s3_bringup(void)
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}
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#endif
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#ifdef CONFIG_I2C_DRIVER
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/* Configure I2C peripheral interfaces */
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ret = board_i2c_init();
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if (ret < 0)
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{
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syslog(LOG_ERR, "Failed to initialize I2C driver: %d\n", ret);
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}
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#endif
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#ifdef CONFIG_INPUT_BUTTONS
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/* Register the BUTTON driver */
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