esp32[c3|c6|h2]: Add I2C master support

This commit is contained in:
Eren Terzioglu 2024-06-20 16:21:06 +03:00 committed by Xiang Xiao
parent 63375bf9cd
commit dda55419f9
31 changed files with 2554 additions and 3 deletions

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@ -84,6 +84,14 @@ We can use the interrupt pin to send a signal when the interrupt fires::
The pin is configured as a rising edge interrupt, so after issuing the
above command, connect it to 3.3V.
i2c
---
This configuration can be used to scan and manipulate I2C devices.
You can scan for all I2C devices using the following command::
nsh> i2c dev 0x00 0x7f
nsh
---

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@ -165,7 +165,7 @@ CDC Console Yes Rev.3
DMA No
eFuse No
GPIO Yes
I2C No
I2C Yes
LED_PWM Yes
RNG No
RSA No

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@ -119,6 +119,14 @@ We can use the interrupt pin to send a signal when the interrupt fires::
The pin is configured as a rising edge interrupt, so after issuing the
above command, connect it to 3.3V.
i2c
---
This configuration can be used to scan and manipulate I2C devices.
You can scan for all I2C devices using the following command::
nsh> i2c dev 0x00 0x7f
nsh
---

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@ -119,6 +119,14 @@ We can use the interrupt pin to send a signal when the interrupt fires::
The pin is configured as a rising edge interrupt, so after issuing the
above command, connect it to 3.3V.
i2c
---
This configuration can be used to scan and manipulate I2C devices.
You can scan for all I2C devices using the following command::
nsh> i2c dev 0x00 0x7f
nsh
---

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@ -147,7 +147,7 @@ ECC No
eFuse No
GPIO Yes
HMAC No
I2C No
I2C Yes
I2S No
Int. Temp. No
LED No

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@ -118,6 +118,14 @@ We can use the interrupt pin to send a signal when the interrupt fires::
The pin is configured as a rising edge interrupt, so after issuing the
above command, connect it to 3.3V.
i2c
---
This configuration can be used to scan and manipulate I2C devices.
You can scan for all I2C devices using the following command::
nsh> i2c dev 0x00 0x7f
nsh
---

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@ -147,7 +147,7 @@ ECC No
eFuse No
GPIO Yes
HMAC No
I2C No
I2C Yes
I2S No
Int. Temp. No
LED No

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@ -11,16 +11,19 @@ choice ESPRESSIF_CHIP_SERIES
config ESPRESSIF_ESP32C3
bool "ESP32-C3"
select ARCH_HAVE_I2CRESET
---help---
ESP32-C3 chip with a single RISC-V IMC core, no embedded Flash memory
config ESPRESSIF_ESP32C6
bool "ESP32-C6"
select ARCH_HAVE_I2CRESET
---help---
Espressif ESP32-C6 (RV32IMAC).
config ESPRESSIF_ESP32H2
bool "ESP32-H2"
select ARCH_HAVE_I2CRESET
---help---
Espressif ESP32-H2 (RV32IMC).
@ -314,6 +317,23 @@ config ESPRESSIF_LEDC
select PWM
select ARCH_HAVE_PWM_MULTICHAN
config ESPRESSIF_I2C
bool
default n
config ESPRESSIF_I2C0
bool "I2C 0"
default n
select ESPRESSIF_I2C
select I2C
config ESPRESSIF_I2C1
bool "I2C 1"
default n
depends on ARCH_CHIP_ESP32H2
select ESPRESSIF_I2C
select I2C
config ESPRESSIF_SPI
bool
default n
@ -1208,6 +1228,47 @@ endif # PWM_MULTICHAN && PWM_NCHANNELS > 1
endmenu # LEDC configuration
menu "I2C Configuration"
depends on ESPRESSIF_I2C
if ESPRESSIF_I2C0
config ESPRESSIF_I2C0_SCLPIN
int "I2C0 SCL Pin"
default 6
range 0 21
config ESPRESSIF_I2C0_SDAPIN
int "I2C0 SDA Pin"
default 5
range 0 21
endif # ESPRESSIF_I2C0
if ESPRESSIF_I2C1
config ESPRESSIF_I2C1_SCLPIN
int "I2C1 SCL Pin"
default 2
range 0 21
config ESPRESSIF_I2C1_SDAPIN
int "I2C1 SDA Pin"
default 1
range 0 21
endif # ESPRESSIF_I2C1
config ESPRESSIF_I2CTIMEOSEC
int "Timeout seconds"
default 0
config ESPRESSIF_I2CTIMEOMS
int "Timeout milliseconds"
default 500
endmenu # I2C configuration
menu "High Resolution Timer"
depends on ESPRESSIF_HR_TIMER

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@ -84,6 +84,10 @@ ifeq ($(CONFIG_ESP_RMT),y)
endif
endif
ifeq ($(CONFIG_ESPRESSIF_I2C),y)
CHIP_CSRCS += esp_i2c.c
endif
ifeq ($(CONFIG_ESPRESSIF_SPI),y)
CHIP_CSRCS += esp_spi.c
ifeq ($(CONFIG_SPI_SLAVE),y)

File diff suppressed because it is too large Load Diff

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@ -0,0 +1,91 @@
/****************************************************************************
* arch/risc-v/src/common/espressif/esp_i2c.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.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#ifndef __ARCH_RISCV_SRC_COMMON_ESPRESSIF_ESP_I2C_H
#define __ARCH_RISCV_SRC_COMMON_ESPRESSIF_ESP_I2C_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <nuttx/i2c/i2c_master.h>
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
#ifndef __ASSEMBLY__
#ifdef CONFIG_ESPRESSIF_I2C0
# define ESPRESSIF_I2C0 0
#endif
#ifdef CONFIG_ESPRESSIF_I2C1
# define ESPRESSIF_I2C1 1
#endif
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
/****************************************************************************
* Name: esp_i2cbus_initialize
*
* Description:
* Initialize the selected I2C port. And return a unique instance of struct
* struct i2c_master_s. This function may be called to obtain multiple
* instances of the interface, each of which may be set up with a
* different frequency and slave address.
*
* Input Parameters:
* port - Port number (for hardware that has multiple I2C interfaces)
*
* Returned Value:
* Valid I2C device structure reference on success; a NULL on failure
*
****************************************************************************/
struct i2c_master_s *esp_i2cbus_initialize(int port);
/****************************************************************************
* Name: esp_i2cbus_uninitialize
*
* Description:
* De-initialize the selected I2C port, and power down the device.
*
* Input Parameters:
* dev - Device structure as returned by the esp_i2cbus_initialize()
*
* Returned Value:
* OK on success, ERROR when internal reference count mismatch or dev
* points to invalid hardware device.
*
****************************************************************************/
int esp_i2cbus_uninitialize(struct i2c_master_s *dev);
#endif /* __ASSEMBLY__ */
#endif /* __ARCH_RISCV_SRC_COMMON_ESPRESSIF_ESP_I2C_H */

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@ -125,6 +125,7 @@ CHIP_CSRCS += chip$(DELIM)$(ESP_HAL_3RDPARTY_REPO)$(DELIM)components$(DELIM)hal$
CHIP_CSRCS += chip$(DELIM)$(ESP_HAL_3RDPARTY_REPO)$(DELIM)components$(DELIM)hal$(DELIM)mpu_hal.c
CHIP_CSRCS += chip$(DELIM)$(ESP_HAL_3RDPARTY_REPO)$(DELIM)components$(DELIM)hal$(DELIM)mmu_hal.c
CHIP_CSRCS += chip$(DELIM)$(ESP_HAL_3RDPARTY_REPO)$(DELIM)components$(DELIM)hal$(DELIM)rmt_hal.c
CHIP_CSRCS += chip$(DELIM)$(ESP_HAL_3RDPARTY_REPO)$(DELIM)components$(DELIM)hal$(DELIM)i2c_hal.c
CHIP_CSRCS += chip$(DELIM)$(ESP_HAL_3RDPARTY_REPO)$(DELIM)components$(DELIM)hal$(DELIM)spi_hal.c
CHIP_CSRCS += chip$(DELIM)$(ESP_HAL_3RDPARTY_REPO)$(DELIM)components$(DELIM)hal$(DELIM)spi_hal_iram.c
CHIP_CSRCS += chip$(DELIM)$(ESP_HAL_3RDPARTY_REPO)$(DELIM)components$(DELIM)hal$(DELIM)twai_hal.c
@ -144,6 +145,7 @@ CHIP_CSRCS += chip$(DELIM)$(ESP_HAL_3RDPARTY_REPO)$(DELIM)components$(DELIM)soc$
CHIP_CSRCS += chip$(DELIM)$(ESP_HAL_3RDPARTY_REPO)$(DELIM)components$(DELIM)soc$(DELIM)$(CHIP_SERIES)$(DELIM)gpio_periph.c
CHIP_CSRCS += chip$(DELIM)$(ESP_HAL_3RDPARTY_REPO)$(DELIM)components$(DELIM)soc$(DELIM)$(CHIP_SERIES)$(DELIM)ledc_periph.c
CHIP_CSRCS += chip$(DELIM)$(ESP_HAL_3RDPARTY_REPO)$(DELIM)components$(DELIM)soc$(DELIM)$(CHIP_SERIES)$(DELIM)rmt_periph.c
CHIP_CSRCS += chip$(DELIM)$(ESP_HAL_3RDPARTY_REPO)$(DELIM)components$(DELIM)soc$(DELIM)$(CHIP_SERIES)$(DELIM)i2c_periph.c
ifeq ($(CONFIG_ESPRESSIF_SIMPLE_BOOT),y)
CHIP_CSRCS += chip$(DELIM)$(ESP_HAL_3RDPARTY_REPO)$(DELIM)nuttx$(DELIM)src$(DELIM)bootloader_banner_wrap.c

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@ -125,6 +125,7 @@ CHIP_CSRCS += chip$(DELIM)$(ESP_HAL_3RDPARTY_REPO)$(DELIM)components$(DELIM)hal$
CHIP_CSRCS += chip$(DELIM)$(ESP_HAL_3RDPARTY_REPO)$(DELIM)components$(DELIM)hal$(DELIM)ledc_hal_iram.c
CHIP_CSRCS += chip$(DELIM)$(ESP_HAL_3RDPARTY_REPO)$(DELIM)components$(DELIM)hal$(DELIM)lp_timer_hal.c
CHIP_CSRCS += chip$(DELIM)$(ESP_HAL_3RDPARTY_REPO)$(DELIM)components$(DELIM)hal$(DELIM)rmt_hal.c
CHIP_CSRCS += chip$(DELIM)$(ESP_HAL_3RDPARTY_REPO)$(DELIM)components$(DELIM)hal$(DELIM)i2c_hal.c
CHIP_CSRCS += chip$(DELIM)$(ESP_HAL_3RDPARTY_REPO)$(DELIM)components$(DELIM)hal$(DELIM)spi_hal.c
CHIP_CSRCS += chip$(DELIM)$(ESP_HAL_3RDPARTY_REPO)$(DELIM)components$(DELIM)hal$(DELIM)spi_hal_iram.c
CHIP_CSRCS += chip$(DELIM)$(ESP_HAL_3RDPARTY_REPO)$(DELIM)components$(DELIM)hal$(DELIM)timer_hal.c
@ -149,6 +150,7 @@ CHIP_CSRCS += chip$(DELIM)$(ESP_HAL_3RDPARTY_REPO)$(DELIM)components$(DELIM)soc$
CHIP_CSRCS += chip$(DELIM)$(ESP_HAL_3RDPARTY_REPO)$(DELIM)components$(DELIM)soc$(DELIM)$(CHIP_SERIES)$(DELIM)gpio_periph.c
CHIP_CSRCS += chip$(DELIM)$(ESP_HAL_3RDPARTY_REPO)$(DELIM)components$(DELIM)soc$(DELIM)$(CHIP_SERIES)$(DELIM)ledc_periph.c
CHIP_CSRCS += chip$(DELIM)$(ESP_HAL_3RDPARTY_REPO)$(DELIM)components$(DELIM)soc$(DELIM)$(CHIP_SERIES)$(DELIM)rmt_periph.c
CHIP_CSRCS += chip$(DELIM)$(ESP_HAL_3RDPARTY_REPO)$(DELIM)components$(DELIM)soc$(DELIM)$(CHIP_SERIES)$(DELIM)i2c_periph.c
ifeq ($(CONFIG_ESPRESSIF_SIMPLE_BOOT),y)
CHIP_CSRCS += chip$(DELIM)$(ESP_HAL_3RDPARTY_REPO)$(DELIM)nuttx$(DELIM)src$(DELIM)bootloader_banner_wrap.c

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@ -111,6 +111,7 @@ CHIP_CSRCS += chip$(DELIM)$(ESP_HAL_3RDPARTY_REPO)$(DELIM)components$(DELIM)hal$
CHIP_CSRCS += chip$(DELIM)$(ESP_HAL_3RDPARTY_REPO)$(DELIM)components$(DELIM)hal$(DELIM)ledc_hal_iram.c
CHIP_CSRCS += chip$(DELIM)$(ESP_HAL_3RDPARTY_REPO)$(DELIM)components$(DELIM)hal$(DELIM)lp_timer_hal.c
CHIP_CSRCS += chip$(DELIM)$(ESP_HAL_3RDPARTY_REPO)$(DELIM)components$(DELIM)hal$(DELIM)rmt_hal.c
CHIP_CSRCS += chip$(DELIM)$(ESP_HAL_3RDPARTY_REPO)$(DELIM)components$(DELIM)hal$(DELIM)i2c_hal.c
CHIP_CSRCS += chip$(DELIM)$(ESP_HAL_3RDPARTY_REPO)$(DELIM)components$(DELIM)hal$(DELIM)spi_hal.c
CHIP_CSRCS += chip$(DELIM)$(ESP_HAL_3RDPARTY_REPO)$(DELIM)components$(DELIM)hal$(DELIM)spi_hal_iram.c
CHIP_CSRCS += chip$(DELIM)$(ESP_HAL_3RDPARTY_REPO)$(DELIM)components$(DELIM)hal$(DELIM)timer_hal.c
@ -132,6 +133,7 @@ CHIP_CSRCS += chip$(DELIM)$(ESP_HAL_3RDPARTY_REPO)$(DELIM)components$(DELIM)soc$
CHIP_CSRCS += chip$(DELIM)$(ESP_HAL_3RDPARTY_REPO)$(DELIM)components$(DELIM)soc$(DELIM)$(CHIP_SERIES)$(DELIM)gpio_periph.c
CHIP_CSRCS += chip$(DELIM)$(ESP_HAL_3RDPARTY_REPO)$(DELIM)components$(DELIM)soc$(DELIM)$(CHIP_SERIES)$(DELIM)ledc_periph.c
CHIP_CSRCS += chip$(DELIM)$(ESP_HAL_3RDPARTY_REPO)$(DELIM)components$(DELIM)soc$(DELIM)$(CHIP_SERIES)$(DELIM)rmt_periph.c
CHIP_CSRCS += chip$(DELIM)$(ESP_HAL_3RDPARTY_REPO)$(DELIM)components$(DELIM)soc$(DELIM)$(CHIP_SERIES)$(DELIM)i2c_periph.c
ifeq ($(CONFIG_ESPRESSIF_SIMPLE_BOOT),y)
CHIP_CSRCS += chip$(DELIM)$(ESP_HAL_3RDPARTY_REPO)$(DELIM)nuttx$(DELIM)src$(DELIM)bootloader_banner_wrap.c

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@ -0,0 +1,74 @@
/****************************************************************************
* boards/risc-v/esp32c3/common/include/esp_board_i2c.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_RISCV_ESP32C3_COMMON_INCLUDE_ESP_BOARD_I2C_H
#define __BOARDS_RISCV_ESP32C3_COMMON_INCLUDE_ESP_BOARD_I2C_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
#ifndef __ASSEMBLY__
#undef EXTERN
#if defined(__cplusplus)
#define EXTERN extern "C"
extern "C"
{
#else
#define EXTERN extern
#endif
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
/****************************************************************************
* Name: board_i2c_init
*
* Description:
* Configure the I2C driver.
*
* Input Parameters:
* None.
*
* Returned Value:
* Zero (OK) is returned on success; A negated errno value is returned
* to indicate the nature of any failure.
*
****************************************************************************/
#ifdef CONFIG_I2C_DRIVER
int board_i2c_init(void);
#endif
#undef EXTERN
#if defined(__cplusplus)
}
#endif
#endif /* __ASSEMBLY__ */
#endif /* __BOARDS_RISCV_ESP32C3_COMMON_INCLUDE_ESP_BOARD_I2C_H */

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@ -40,6 +40,10 @@ ifeq ($(CONFIG_SPI_SLAVE_DRIVER),y)
CSRCS += esp_board_spislavedev.c
endif
ifeq ($(CONFIG_I2C_DRIVER),y)
CSRCS += esp_board_i2c.c
endif
ifeq ($(CONFIG_ESPRESSIF_SPIFLASH),y)
CSRCS += esp_board_spiflash.c
endif

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@ -0,0 +1,82 @@
/****************************************************************************
* boards/risc-v/esp32c3/common/src/esp_board_i2c.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 <debug.h>
#include <errno.h>
#include <sys/types.h>
#include <nuttx/i2c/i2c_master.h>
#include "espressif/esp_i2c.h"
/****************************************************************************
* Public Functions
****************************************************************************/
static int i2c_driver_init(int bus)
{
struct i2c_master_s *i2c;
int ret;
i2c = esp_i2cbus_initialize(bus);
if (i2c == NULL)
{
i2cerr("Failed to get I2C%d interface\n", bus);
return -ENODEV;
}
ret = i2c_register(i2c, bus);
if (ret < 0)
{
i2cerr("Failed to register I2C%d driver: %d\n", bus, ret);
esp_i2cbus_uninitialize(i2c);
}
return ret;
}
/****************************************************************************
* Name: board_i2c_init
*
* Description:
* Configure the I2C driver.
*
* Returned Value:
* Zero (OK) is returned on success; A negated errno value is returned
* to indicate the nature of any failure.
*
****************************************************************************/
int board_i2c_init(void)
{
int ret = OK;
#ifdef CONFIG_ESPRESSIF_I2C0
ret = i2c_driver_init(ESPRESSIF_I2C0);
#endif
return ret;
}

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@ -0,0 +1,52 @@
#
# 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_NSH_ARGCAT is not set
# CONFIG_NSH_CMDOPT_HEXDUMP is not set
CONFIG_ARCH="risc-v"
CONFIG_ARCH_BOARD="esp32c3-generic"
CONFIG_ARCH_BOARD_COMMON=y
CONFIG_ARCH_BOARD_ESP32C3_GENERIC=y
CONFIG_ARCH_CHIP="esp32c3"
CONFIG_ARCH_CHIP_ESP32C3_GENERIC=y
CONFIG_ARCH_INTERRUPTSTACK=1536
CONFIG_ARCH_RISCV=y
CONFIG_ARCH_STACKDUMP=y
CONFIG_BOARDCTL_RESET=y
CONFIG_BOARD_LOOPSPERMSEC=15000
CONFIG_BUILTIN=y
CONFIG_DEV_ZERO=y
CONFIG_ESPRESSIF_I2C0=y
CONFIG_FS_PROCFS=y
CONFIG_I2CTOOL_DEFFREQ=100000
CONFIG_I2CTOOL_MAXBUS=1
CONFIG_I2C_RESET=y
CONFIG_I2C_TRACE=y
CONFIG_IDLETHREAD_STACKSIZE=2048
CONFIG_INIT_ENTRYPOINT="nsh_main"
CONFIG_INTELHEX_BINARY=y
CONFIG_LIBC_PERROR_STDOUT=y
CONFIG_LIBC_STRERROR=y
CONFIG_NFILE_DESCRIPTORS_PER_BLOCK=6
CONFIG_NSH_ARCHINIT=y
CONFIG_NSH_BUILTIN_APPS=y
CONFIG_NSH_FILEIOSIZE=512
CONFIG_NSH_READLINE=y
CONFIG_NSH_STRERROR=y
CONFIG_PREALLOC_TIMERS=0
CONFIG_RR_INTERVAL=200
CONFIG_SCHED_BACKTRACE=y
CONFIG_SCHED_WAITPID=y
CONFIG_START_DAY=29
CONFIG_START_MONTH=11
CONFIG_START_YEAR=2019
CONFIG_SYSTEM_DUMPSTACK=y
CONFIG_SYSTEM_I2CTOOL=y
CONFIG_SYSTEM_NSH=y
CONFIG_TESTING_GETPRIME=y
CONFIG_TESTING_OSTEST=y
CONFIG_UART0_SERIAL_CONSOLE=y

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@ -36,6 +36,7 @@
#include "esp_board_ledc.h"
#include "esp_board_spiflash.h"
#include "esp_board_i2c.h"
#ifdef CONFIG_WATCHDOG
# include "espressif/esp_wdt.h"
@ -257,6 +258,17 @@ int esp_bringup(void)
}
#endif
#if defined(CONFIG_I2C_DRIVER)
/* Configure I2C peripheral interfaces */
ret = board_i2c_init();
if (ret < 0)
{
syslog(LOG_ERR, "Failed to initialize I2C driver: %d\n", ret);
}
#endif
#ifdef CONFIG_ESPRESSIF_TWAI
/* Initialize TWAI and register the TWAI driver. */

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@ -0,0 +1,74 @@
/****************************************************************************
* boards/risc-v/esp32c6/common/include/esp_board_i2c.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_RISCV_ESP32C6_COMMON_INCLUDE_ESP_BOARD_I2C_H
#define __BOARDS_RISCV_ESP32C3_COMMON_INCLUDE_ESP_BOARD_I2C_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
#ifndef __ASSEMBLY__
#undef EXTERN
#if defined(__cplusplus)
#define EXTERN extern "C"
extern "C"
{
#else
#define EXTERN extern
#endif
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
/****************************************************************************
* Name: board_i2c_init
*
* Description:
* Configure the I2C driver.
*
* Input Parameters:
* None.
*
* Returned Value:
* Zero (OK) is returned on success; A negated errno value is returned
* to indicate the nature of any failure.
*
****************************************************************************/
#ifdef CONFIG_I2C_DRIVER
int board_i2c_init(void);
#endif
#undef EXTERN
#if defined(__cplusplus)
}
#endif
#endif /* __ASSEMBLY__ */
#endif /* __BOARDS_RISCV_ESP32C6_COMMON_INCLUDE_ESP_BOARD_I2C_H */

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@ -40,6 +40,10 @@ ifeq ($(CONFIG_SPI_SLAVE_DRIVER),y)
CSRCS += esp_board_spislavedev.c
endif
ifeq ($(CONFIG_I2C_DRIVER),y)
CSRCS += esp_board_i2c.c
endif
ifeq ($(CONFIG_ESPRESSIF_SPIFLASH),y)
CSRCS += esp_board_spiflash.c
endif

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@ -0,0 +1,82 @@
/****************************************************************************
* boards/risc-v/esp32c6/common/src/esp_board_i2c.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 <debug.h>
#include <errno.h>
#include <sys/types.h>
#include <nuttx/i2c/i2c_master.h>
#include "espressif/esp_i2c.h"
/****************************************************************************
* Public Functions
****************************************************************************/
static int i2c_driver_init(int bus)
{
struct i2c_master_s *i2c;
int ret;
i2c = esp_i2cbus_initialize(bus);
if (i2c == NULL)
{
i2cerr("Failed to get I2C%d interface\n", bus);
return -ENODEV;
}
ret = i2c_register(i2c, bus);
if (ret < 0)
{
i2cerr("Failed to register I2C%d driver: %d\n", bus, ret);
esp_i2cbus_uninitialize(i2c);
}
return ret;
}
/****************************************************************************
* Name: board_i2c_init
*
* Description:
* Configure the I2C driver.
*
* Returned Value:
* Zero (OK) is returned on success; A negated errno value is returned
* to indicate the nature of any failure.
*
****************************************************************************/
int board_i2c_init(void)
{
int ret = OK;
#ifdef CONFIG_ESPRESSIF_I2C0
ret = i2c_driver_init(ESPRESSIF_I2C0);
#endif
return ret;
}

View File

@ -0,0 +1,54 @@
#
# 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_NSH_ARGCAT is not set
# CONFIG_NSH_CMDOPT_HEXDUMP is not set
CONFIG_ARCH="risc-v"
CONFIG_ARCH_BOARD="esp32c6-devkitc"
CONFIG_ARCH_BOARD_COMMON=y
CONFIG_ARCH_BOARD_ESP32C6_DEVKITC=y
CONFIG_ARCH_CHIP="esp32c6"
CONFIG_ARCH_CHIP_ESP32C6=y
CONFIG_ARCH_CHIP_ESP32C6WROOM1=y
CONFIG_ARCH_INTERRUPTSTACK=2048
CONFIG_ARCH_RISCV=y
CONFIG_ARCH_STACKDUMP=y
CONFIG_BOARDCTL_RESET=y
CONFIG_BOARD_LOOPSPERMSEC=15000
CONFIG_BUILTIN=y
CONFIG_DEV_ZERO=y
CONFIG_ESPRESSIF_ESP32C6=y
CONFIG_ESPRESSIF_I2C0=y
CONFIG_FS_PROCFS=y
CONFIG_I2CTOOL_DEFFREQ=100000
CONFIG_I2CTOOL_MAXBUS=1
CONFIG_I2C_RESET=y
CONFIG_I2C_TRACE=y
CONFIG_IDLETHREAD_STACKSIZE=2048
CONFIG_INIT_ENTRYPOINT="nsh_main"
CONFIG_INTELHEX_BINARY=y
CONFIG_LIBC_PERROR_STDOUT=y
CONFIG_LIBC_STRERROR=y
CONFIG_NFILE_DESCRIPTORS_PER_BLOCK=6
CONFIG_NSH_ARCHINIT=y
CONFIG_NSH_BUILTIN_APPS=y
CONFIG_NSH_FILEIOSIZE=512
CONFIG_NSH_READLINE=y
CONFIG_NSH_STRERROR=y
CONFIG_PREALLOC_TIMERS=0
CONFIG_RR_INTERVAL=200
CONFIG_SCHED_BACKTRACE=y
CONFIG_SCHED_WAITPID=y
CONFIG_START_DAY=29
CONFIG_START_MONTH=11
CONFIG_START_YEAR=2019
CONFIG_SYSTEM_DUMPSTACK=y
CONFIG_SYSTEM_I2CTOOL=y
CONFIG_SYSTEM_NSH=y
CONFIG_TESTING_GETPRIME=y
CONFIG_TESTING_OSTEST=y
CONFIG_UART0_SERIAL_CONSOLE=y

View File

@ -36,6 +36,7 @@
#include "esp_board_ledc.h"
#include "esp_board_spiflash.h"
#include "esp_board_i2c.h"
#ifdef CONFIG_WATCHDOG
# include "espressif/esp_wdt.h"
@ -226,6 +227,17 @@ int esp_bringup(void)
}
#endif
#if defined(CONFIG_I2C_DRIVER)
/* Configure I2C peripheral interfaces */
ret = board_i2c_init();
if (ret < 0)
{
syslog(LOG_ERR, "Failed to initialize I2C driver: %d\n", ret);
}
#endif
#ifdef CONFIG_ESPRESSIF_TWAI0
/* Initialize TWAI and register the TWAI driver. */

View File

@ -0,0 +1,54 @@
#
# 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_NSH_ARGCAT is not set
# CONFIG_NSH_CMDOPT_HEXDUMP is not set
CONFIG_ARCH="risc-v"
CONFIG_ARCH_BOARD="esp32c6-devkitm"
CONFIG_ARCH_BOARD_COMMON=y
CONFIG_ARCH_BOARD_ESP32C6_DEVKITM=y
CONFIG_ARCH_CHIP="esp32c6"
CONFIG_ARCH_CHIP_ESP32C6=y
CONFIG_ARCH_CHIP_ESP32C6MINI1=y
CONFIG_ARCH_INTERRUPTSTACK=2048
CONFIG_ARCH_RISCV=y
CONFIG_ARCH_STACKDUMP=y
CONFIG_BOARDCTL_RESET=y
CONFIG_BOARD_LOOPSPERMSEC=15000
CONFIG_BUILTIN=y
CONFIG_DEV_ZERO=y
CONFIG_ESPRESSIF_ESP32C6=y
CONFIG_ESPRESSIF_I2C0=y
CONFIG_FS_PROCFS=y
CONFIG_I2CTOOL_DEFFREQ=100000
CONFIG_I2CTOOL_MAXBUS=1
CONFIG_I2C_RESET=y
CONFIG_I2C_TRACE=y
CONFIG_IDLETHREAD_STACKSIZE=2048
CONFIG_INIT_ENTRYPOINT="nsh_main"
CONFIG_INTELHEX_BINARY=y
CONFIG_LIBC_PERROR_STDOUT=y
CONFIG_LIBC_STRERROR=y
CONFIG_NFILE_DESCRIPTORS_PER_BLOCK=6
CONFIG_NSH_ARCHINIT=y
CONFIG_NSH_BUILTIN_APPS=y
CONFIG_NSH_FILEIOSIZE=512
CONFIG_NSH_READLINE=y
CONFIG_NSH_STRERROR=y
CONFIG_PREALLOC_TIMERS=0
CONFIG_RR_INTERVAL=200
CONFIG_SCHED_BACKTRACE=y
CONFIG_SCHED_WAITPID=y
CONFIG_START_DAY=29
CONFIG_START_MONTH=11
CONFIG_START_YEAR=2019
CONFIG_SYSTEM_DUMPSTACK=y
CONFIG_SYSTEM_I2CTOOL=y
CONFIG_SYSTEM_NSH=y
CONFIG_TESTING_GETPRIME=y
CONFIG_TESTING_OSTEST=y
CONFIG_UART0_SERIAL_CONSOLE=y

View File

@ -36,6 +36,7 @@
#include "esp_board_ledc.h"
#include "esp_board_spiflash.h"
#include "esp_board_i2c.h"
#ifdef CONFIG_WATCHDOG
# include "espressif/esp_wdt.h"
@ -226,6 +227,17 @@ int esp_bringup(void)
}
#endif
#if defined(CONFIG_I2C_DRIVER)
/* Configure I2C peripheral interfaces */
ret = board_i2c_init();
if (ret < 0)
{
syslog(LOG_ERR, "Failed to initialize I2C driver: %d\n", ret);
}
#endif
#ifdef CONFIG_ESPRESSIF_TWAI0
/* Initialize TWAI and register the TWAI driver. */

View File

@ -0,0 +1,74 @@
/****************************************************************************
* boards/risc-v/esp32h2/common/include/esp_board_i2c.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_RISCV_ESP32H2_COMMON_INCLUDE_ESP_BOARD_I2C_H
#define __BOARDS_RISCV_ESP32H2_COMMON_INCLUDE_ESP_BOARD_I2C_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
#ifndef __ASSEMBLY__
#undef EXTERN
#if defined(__cplusplus)
#define EXTERN extern "C"
extern "C"
{
#else
#define EXTERN extern
#endif
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
/****************************************************************************
* Name: board_i2c_init
*
* Description:
* Configure the I2C driver.
*
* Input Parameters:
* None.
*
* Returned Value:
* Zero (OK) is returned on success; A negated errno value is returned
* to indicate the nature of any failure.
*
****************************************************************************/
#ifdef CONFIG_I2C_DRIVER
int board_i2c_init(void);
#endif
#undef EXTERN
#if defined(__cplusplus)
}
#endif
#endif /* __ASSEMBLY__ */
#endif /* __BOARDS_RISCV_ESP32H2_COMMON_INCLUDE_ESP_BOARD_I2C_H */

View File

@ -40,6 +40,10 @@ ifeq ($(CONFIG_SPI_SLAVE_DRIVER),y)
CSRCS += esp_board_spislavedev.c
endif
ifeq ($(CONFIG_I2C_DRIVER),y)
CSRCS += esp_board_i2c.c
endif
ifeq ($(CONFIG_ESPRESSIF_SPIFLASH),y)
CSRCS += esp_board_spiflash.c
endif

View File

@ -0,0 +1,90 @@
/****************************************************************************
* boards/risc-v/esp32h2/common/src/esp_board_i2c.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 <debug.h>
#include <errno.h>
#include <sys/types.h>
#include <nuttx/i2c/i2c_master.h>
#include "espressif/esp_i2c.h"
/****************************************************************************
* Public Functions
****************************************************************************/
static int i2c_driver_init(int bus)
{
struct i2c_master_s *i2c;
int ret;
i2c = esp_i2cbus_initialize(bus);
if (i2c == NULL)
{
i2cerr("Failed to get I2C%d interface\n", bus);
return -ENODEV;
}
ret = i2c_register(i2c, bus);
if (ret < 0)
{
i2cerr("Failed to register I2C%d driver: %d\n", bus, ret);
esp_i2cbus_uninitialize(i2c);
}
return ret;
}
/****************************************************************************
* Name: board_i2c_init
*
* Description:
* Configure the I2C driver.
*
* Returned Value:
* Zero (OK) is returned on success; A negated errno value is returned
* to indicate the nature of any failure.
*
****************************************************************************/
int board_i2c_init(void)
{
int ret = OK;
#ifdef CONFIG_ESPRESSIF_I2C0
ret = i2c_driver_init(ESPRESSIF_I2C0);
if (ret != OK)
{
return ret;
}
#endif
#ifdef CONFIG_ESPRESSIF_I2C1
ret = i2c_driver_init(ESPRESSIF_I2C1);
#endif
return ret;
}

View File

@ -0,0 +1,54 @@
#
# 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_NSH_ARGCAT is not set
# CONFIG_NSH_CMDOPT_HEXDUMP is not set
CONFIG_ARCH="risc-v"
CONFIG_ARCH_BOARD="esp32h2-devkit"
CONFIG_ARCH_BOARD_COMMON=y
CONFIG_ARCH_BOARD_ESP32H2_DEVKIT=y
CONFIG_ARCH_CHIP="esp32h2"
CONFIG_ARCH_CHIP_ESP32H2=y
CONFIG_ARCH_INTERRUPTSTACK=2048
CONFIG_ARCH_RISCV=y
CONFIG_ARCH_STACKDUMP=y
CONFIG_BOARDCTL_RESET=y
CONFIG_BOARD_LOOPSPERMSEC=15000
CONFIG_BUILTIN=y
CONFIG_DEV_ZERO=y
CONFIG_ESPRESSIF_ESP32H2=y
CONFIG_ESPRESSIF_I2C0=y
CONFIG_ESPRESSIF_I2C1=y
CONFIG_FS_PROCFS=y
CONFIG_I2CTOOL_DEFFREQ=100000
CONFIG_I2CTOOL_MAXBUS=1
CONFIG_I2C_RESET=y
CONFIG_I2C_TRACE=y
CONFIG_IDLETHREAD_STACKSIZE=2048
CONFIG_INIT_ENTRYPOINT="nsh_main"
CONFIG_INTELHEX_BINARY=y
CONFIG_LIBC_PERROR_STDOUT=y
CONFIG_LIBC_STRERROR=y
CONFIG_NFILE_DESCRIPTORS_PER_BLOCK=6
CONFIG_NSH_ARCHINIT=y
CONFIG_NSH_BUILTIN_APPS=y
CONFIG_NSH_FILEIOSIZE=512
CONFIG_NSH_READLINE=y
CONFIG_NSH_STRERROR=y
CONFIG_PREALLOC_TIMERS=0
CONFIG_RR_INTERVAL=200
CONFIG_SCHED_BACKTRACE=y
CONFIG_SCHED_WAITPID=y
CONFIG_START_DAY=29
CONFIG_START_MONTH=11
CONFIG_START_YEAR=2019
CONFIG_SYSTEM_DUMPSTACK=y
CONFIG_SYSTEM_I2CTOOL=y
CONFIG_SYSTEM_NSH=y
CONFIG_TESTING_GETPRIME=y
CONFIG_TESTING_OSTEST=y
CONFIG_UART0_SERIAL_CONSOLE=y

View File

@ -36,6 +36,7 @@
#include "esp_board_ledc.h"
#include "esp_board_spiflash.h"
#include "esp_board_i2c.h"
#ifdef CONFIG_WATCHDOG
# include "espressif/esp_wdt.h"
@ -218,6 +219,17 @@ int esp_bringup(void)
}
#endif
#if defined(CONFIG_I2C_DRIVER)
/* Configure I2C peripheral interfaces */
ret = board_i2c_init();
if (ret < 0)
{
syslog(LOG_ERR, "Failed to initialize I2C driver: %d\n", ret);
}
#endif
#ifdef CONFIG_ESPRESSIF_TWAI
/* Initialize TWAI and register the TWAI driver. */