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xtensa/esp32: Support ESP32 RTC driver

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This commit is contained in:
chenwen
2021-06-17 19:14:33 +08:00
committed by Xiang Xiao
parent 4258190477
commit c3792f0aae
12 changed files with 1644 additions and 3 deletions
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arch/xtensa/src/esp32/Kconfig
+1
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@@ -214,6 +214,7 @@ endchoice # On-board Crystal Frequency
config ESP32_RT_TIMER
bool "Real-time Timer"
default n
select ESP32_TIMER0
config ESP32_PARTITION
bool "ESP32 Partition"
arch/xtensa/src/esp32/Make.defs
+4
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@@ -193,6 +193,10 @@ ifeq ($(CONFIG_ESP32_AES_ACCELERATOR),y)
CHIP_CSRCS += esp32_aes.c
endif
ifeq ($(CONFIG_RTC_DRIVER),y)
CHIP_CSRCS += esp32_rtc_lowerhalf.c
endif
ifeq ($(CONFIG_ESP32_WIRELESS),y)
WIRELESS_DRV_UNPACK = esp-wireless-drivers-3rdparty
WIRELESS_DRV_ID = 2b53111
arch/xtensa/src/esp32/esp32_rtc.c
+590 -3
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File diff suppressed because it is too large Load Diff
arch/xtensa/src/esp32/esp32_rtc.h
+225
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@@ -30,6 +30,9 @@
****************************************************************************/
#include <nuttx/config.h>
#include <nuttx/timers/rtc.h>
#include <sys/types.h>
#include <time.h>
#include "hardware/esp32_soc.h"
#ifndef __ASSEMBLY__
@@ -127,6 +130,31 @@ enum esp32_rtc_cal_sel_e
RTC_CAL_32K_XTAL = 2 /* External 32 kHz XTAL */
};
#ifdef CONFIG_RTC_ALARM
/* The form of an alarm callback */
typedef CODE void (*alm_callback_t)(FAR void *arg, unsigned int alarmid);
enum alm_id_e
{
RTC_ALARM0 = 0, /* RTC ALARM 0 */
RTC_ALARM1 = 1, /* RTC ALARM 1 */
RTC_ALARM_LAST,
};
/* Structure used to pass parameters to set an alarm */
struct alm_setalarm_s
{
int as_id; /* enum alm_id_e */
struct timespec as_time; /* Alarm expiration time */
alm_callback_t as_cb; /* Callback (if non-NULL) */
FAR void *as_arg; /* Argument for callback */
};
#endif /* CONFIG_RTC_ALARM */
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
@@ -447,6 +475,203 @@ void esp32_rtc_sleep_init(uint32_t flags);
int esp32_rtc_sleep_start(uint32_t wakeup_opt, uint32_t reject_opt);
/****************************************************************************
* Name: esp32_rtc_get_time_us
*
* Description:
* Get current value of RTC counter in microseconds
*
* Input Parameters:
* None
*
* Returned Value:
* Current value of RTC counter in microseconds
*
****************************************************************************/
uint64_t esp32_rtc_get_time_us(void);
/****************************************************************************
* Name: esp32_rtc_set_boot_time
*
* Description:
* Set time to RTC register to replace the original boot time.
*
* Input Parameters:
* time_us - set time in microseconds.
*
* Returned Value:
* None
*
****************************************************************************/
void esp32_rtc_set_boot_time(uint64_t time_us);
/****************************************************************************
* Name: esp32_rtc_get_boot_time
*
* Description:
* Get time of RTC register to indicate the original boot time.
*
* Input Parameters:
* None
*
* Returned Value:
* time_us - get time in microseconds.
*
****************************************************************************/
uint64_t esp32_rtc_get_boot_time(void);
#ifdef CONFIG_RTC_DRIVER
/****************************************************************************
* Name: up_rtc_time
*
* Description:
* Get the current time in seconds. This is similar to the standard time()
* function. This interface is only required if the low-resolution
* RTC/counter hardware implementation selected. It is only used by the
* RTOS during initialization to set up the system time when CONFIG_RTC is
* set but neither CONFIG_RTC_HIRES nor CONFIG_RTC_DATETIME are set.
*
* Input Parameters:
* None
*
* Returned Value:
* The current time in seconds
*
****************************************************************************/
#ifndef CONFIG_RTC_HIRES
time_t up_rtc_time(void);
#endif
/****************************************************************************
* Name: up_rtc_settime
*
* Description:
* Set the RTC to the provided time. All RTC implementations must be
* able to set their time based on a standard timespec.
*
* Input Parameters:
* tp - the time to use
*
* Returned Value:
* Zero (OK) on success; a negated errno on failure
*
****************************************************************************/
int up_rtc_settime(FAR const struct timespec *ts);
/****************************************************************************
* Name: up_rtc_initialize
*
* Description:
* Initialize the hardware RTC per the selected configuration.
* This function is called once during the OS initialization sequence
*
* Input Parameters:
* None
*
* Returned Value:
* Zero (OK) on success; a negated errno on failure
*
****************************************************************************/
int up_rtc_initialize(void);
/****************************************************************************
* Name: up_rtc_gettime
*
* Description:
* Get the current time from the high resolution RTC clock/counter. This
* interface is only supported by the high-resolution RTC/counter hardware
* implementation. It is used to replace the system timer.
*
* Input Parameters:
* tp - The location to return the high resolution time value.
*
* Returned Value:
* Zero (OK) on success; a negated errno on failure
*
****************************************************************************/
#ifdef CONFIG_RTC_HIRES
int up_rtc_gettime(FAR struct timespec *tp);
#endif
#ifdef CONFIG_RTC_ALARM
/****************************************************************************
* Name: up_rtc_setalarm
*
* Description:
* Set up an alarm.
*
* Input Parameters:
* alminfo - Information about the alarm configuration.
*
* Returned Value:
* Zero (OK) on success; a negated errno on failure
*
****************************************************************************/
int up_rtc_setalarm(FAR struct alm_setalarm_s *alminfo);
/****************************************************************************
* Name: up_rtc_cancelalarm
*
* Description:
* Cancel an alaram.
*
* Input Parameters:
* alarmid - Identifies the alarm to be cancelled
*
* Returned Value:
* Zero (OK) on success; a negated errno on failure
*
****************************************************************************/
int up_rtc_cancelalarm(enum alm_id_e alarmid);
/****************************************************************************
* Name: up_rtc_rdalarm
*
* Description:
* Query an alarm configured in hardware.
*
* Input Parameters:
* tp - Location to return the timer match register.
* alarmid - Identifies the alarm to be cancelled
*
* Returned Value:
* Zero (OK) on success; a negated errno on failure
*
****************************************************************************/
int up_rtc_rdalarm(FAR struct timespec *tp, uint32_t alarmid);
#endif /* CONFIG_RTC_ALARM */
/****************************************************************************
* Name: up_rtc_timer_init
*
* Description:
* Init RTC timer.
*
* Input Parameters:
* None
*
* Returned Value:
* Zero (OK) on success; a negated errno on failure
*
****************************************************************************/
int up_rtc_timer_init(void);
#endif /* CONFIG_RTC_DRIVER */
#ifdef __cplusplus
}
#endif
arch/xtensa/src/esp32/esp32_rtc_lowerhalf.c
+565
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File diff suppressed because it is too large Load Diff
arch/xtensa/src/esp32/esp32_rtc_lowerhalf.h
+56
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@@ -0,0 +1,56 @@
/****************************************************************************
* arch/xtensa/src/esp32/esp32_rtc_lowerhalf.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 __ARCH_XTENSA_SRC_ESP32_ESP32_RTC_LOWERHALF_H
#define __ARCH_XTENSA_SRC_ESP32_ESP32_RTC_LOWERHALF_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#ifdef CONFIG_RTC_DRIVER
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
/****************************************************************************
* Name: esp32_rtc_driverinit
*
* Description:
* Bind the configuration timer to a timer lower half instance and register
* the timer drivers at 'devpath'
*
* Input Parameters:
* None
*
* Returned Value:
* Zero (OK) is returned on success; A negated errno value is returned
* to indicate the nature of any failure.
*
****************************************************************************/
int esp32_rtc_driverinit(void);
#endif /* CONFIG_RTC_DRIVER */
#endif /* __ARCH_XTENSA_SRC_ESP32_ESP32_RTC_LOWERHALF_H */
boards/xtensa/esp32/esp32-devkitc/configs/rtc/defconfig
+53
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@@ -0,0 +1,53 @@
#
# 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_NSH_ARGCAT is not set
# CONFIG_NSH_CMDOPT_HEXDUMP is not set
# CONFIG_NSH_CMDPARMS is not set
CONFIG_ARCH="xtensa"
CONFIG_ARCH_BOARD="esp32-devkitc"
CONFIG_ARCH_BOARD_ESP32_DEVKITC=y
CONFIG_ARCH_CHIP="esp32"
CONFIG_ARCH_CHIP_ESP32=y
CONFIG_ARCH_CHIP_ESP32WROVER=y
CONFIG_ARCH_STACKDUMP=y
CONFIG_ARCH_XTENSA=y
CONFIG_BOARD_LOOPSPERMSEC=16717
CONFIG_BUILTIN=y
CONFIG_ESP32_RT_TIMER=y
CONFIG_ESP32_UART0=y
CONFIG_EXAMPLES_ALARM=y
CONFIG_FS_PROCFS=y
CONFIG_HAVE_CXX=y
CONFIG_HAVE_CXXINITIALIZE=y
CONFIG_IDLETHREAD_STACKSIZE=3072
CONFIG_INTELHEX_BINARY=y
CONFIG_MAX_TASKS=16
CONFIG_MM_REGIONS=3
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_RAW_BINARY=y
CONFIG_RR_INTERVAL=200
CONFIG_RTC=y
CONFIG_RTC_ALARM=y
CONFIG_RTC_DRIVER=y
CONFIG_RTC_NALARMS=2
CONFIG_SCHED_WAITPID=y
CONFIG_SDCLONE_DISABLE=y
CONFIG_START_DAY=6
CONFIG_START_MONTH=12
CONFIG_START_YEAR=2011
CONFIG_SYSTEM_NSH=y
CONFIG_UART0_SERIAL_CONSOLE=y
CONFIG_USER_ENTRYPOINT="nsh_main"
boards/xtensa/esp32/esp32-devkitc/src/esp32_bringup.c
+15
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@@ -90,6 +90,10 @@
# include <nuttx/input/buttons.h>
#endif
#ifdef CONFIG_RTC_DRIVER
# include "esp32_rtc_lowerhalf.h"
#endif
#include "esp32-devkitc.h"
/****************************************************************************
@@ -375,6 +379,17 @@ int esp32_bringup(void)
}
#endif
#ifdef CONFIG_RTC_DRIVER
/* Instantiate the ESP32 RTC driver */
ret = esp32_rtc_driverinit();
if (ret < 0)
{
syslog(LOG_ERR,
"ERROR: Failed to Instantiate the RTC driver: %d\n", ret);
}
#endif
/* If we got here then perhaps not all initialization was successful, but
* at least enough succeeded to bring-up NSH with perhaps reduced
* capabilities.
boards/xtensa/esp32/esp32-ethernet-kit/configs/rtc/defconfig
+52
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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_NSH_CMDPARMS is not set
CONFIG_ARCH="xtensa"
CONFIG_ARCH_BOARD="esp32-ethernet-kit"
CONFIG_ARCH_BOARD_ESP32_ETHERNETKIT=y
CONFIG_ARCH_CHIP="esp32"
CONFIG_ARCH_CHIP_ESP32=y
CONFIG_ARCH_CHIP_ESP32WROVER=y
CONFIG_ARCH_STACKDUMP=y
CONFIG_ARCH_XTENSA=y
CONFIG_BOARD_LOOPSPERMSEC=16717
CONFIG_BUILTIN=y
CONFIG_ESP32_RT_TIMER=y
CONFIG_ESP32_UART0=y
CONFIG_EXAMPLES_ALARM=y
CONFIG_FS_PROCFS=y
CONFIG_HAVE_CXX=y
CONFIG_HAVE_CXXINITIALIZE=y
CONFIG_IDLETHREAD_STACKSIZE=3072
CONFIG_INTELHEX_BINARY=y
CONFIG_MAX_TASKS=16
CONFIG_MM_REGIONS=3
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_RAW_BINARY=y
CONFIG_RR_INTERVAL=200
CONFIG_RTC=y
CONFIG_RTC_ALARM=y
CONFIG_RTC_DRIVER=y
CONFIG_RTC_NALARMS=2
CONFIG_SCHED_WAITPID=y
CONFIG_SDCLONE_DISABLE=y
CONFIG_START_DAY=6
CONFIG_START_MONTH=12
CONFIG_START_YEAR=2011
CONFIG_SYSTEM_NSH=y
CONFIG_UART0_SERIAL_CONSOLE=y
CONFIG_USER_ENTRYPOINT="nsh_main"
boards/xtensa/esp32/esp32-ethernet-kit/src/esp32_bringup.c
+15
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@@ -70,6 +70,10 @@
# include <nuttx/input/buttons.h>
#endif
#ifdef CONFIG_RTC_DRIVER
# include "esp32_rtc_lowerhalf.h"
#endif
#include "esp32-ethernet-kit.h"
/****************************************************************************
@@ -271,6 +275,17 @@ int esp32_bringup(void)
}
#endif
#ifdef CONFIG_RTC_DRIVER
/* Instantiate the ESP32 RTC driver */
ret = esp32_rtc_driverinit();
if (ret < 0)
{
syslog(LOG_ERR,
"ERROR: Failed to Instantiate the RTC driver: %d\n", ret);
}
#endif
/* If we got here then perhaps not all initialization was successful, but
* at least enough succeeded to bring-up NSH with perhaps reduced
* capabilities.
boards/xtensa/esp32/esp32-wrover-kit/configs/rtc/defconfig
+53
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@@ -0,0 +1,53 @@
#
# 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_NSH_ARGCAT is not set
# CONFIG_NSH_CMDOPT_HEXDUMP is not set
# CONFIG_NSH_CMDPARMS is not set
CONFIG_ARCH="xtensa"
CONFIG_ARCH_BOARD="esp32-wrover-kit"
CONFIG_ARCH_BOARD_ESP32_WROVERKIT=y
CONFIG_ARCH_CHIP="esp32"
CONFIG_ARCH_CHIP_ESP32=y
CONFIG_ARCH_CHIP_ESP32WROVER=y
CONFIG_ARCH_STACKDUMP=y
CONFIG_ARCH_XTENSA=y
CONFIG_BOARD_LOOPSPERMSEC=16717
CONFIG_BUILTIN=y
CONFIG_ESP32_RT_TIMER=y
CONFIG_ESP32_UART0=y
CONFIG_EXAMPLES_ALARM=y
CONFIG_FS_PROCFS=y
CONFIG_HAVE_CXX=y
CONFIG_HAVE_CXXINITIALIZE=y
CONFIG_IDLETHREAD_STACKSIZE=3072
CONFIG_INTELHEX_BINARY=y
CONFIG_MAX_TASKS=16
CONFIG_MM_REGIONS=3
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_RAW_BINARY=y
CONFIG_RR_INTERVAL=200
CONFIG_RTC=y
CONFIG_RTC_ALARM=y
CONFIG_RTC_DRIVER=y
CONFIG_RTC_NALARMS=2
CONFIG_SCHED_WAITPID=y
CONFIG_SDCLONE_DISABLE=y
CONFIG_START_DAY=6
CONFIG_START_MONTH=12
CONFIG_START_YEAR=2011
CONFIG_SYSTEM_NSH=y
CONFIG_UART0_SERIAL_CONSOLE=y
CONFIG_USER_ENTRYPOINT="nsh_main"
boards/xtensa/esp32/esp32-wrover-kit/src/esp32_bringup.c
+15
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@@ -90,6 +90,10 @@
# include <nuttx/lcd/lcd_dev.h>
#endif
#ifdef CONFIG_RTC_DRIVER
# include "esp32_rtc_lowerhalf.h"
#endif
#include "esp32-wrover-kit.h"
/****************************************************************************
@@ -358,6 +362,17 @@ int esp32_bringup(void)
}
#endif
#ifdef CONFIG_RTC_DRIVER
/* Instantiate the ESP32 RTC driver */
ret = esp32_rtc_driverinit();
if (ret < 0)
{
syslog(LOG_ERR,
"ERROR: Failed to Instantiate the RTC driver: %d\n", ret);
}
#endif
/* If we got here then perhaps not all initialization was successful, but
* at least enough succeeded to bring-up NSH with perhaps reduced
* capabilities.