esp32s3-devkit: Initialize Oneshot timer on bringup

Signed-off-by: Gustavo Henrique Nihei <gustavo.nihei@espressif.com>
This commit is contained in:
Gustavo Henrique Nihei 2022-02-23 14:44:07 -03:00 committed by Xiang Xiao
parent add99fead3
commit 71e8727397
2 changed files with 122 additions and 1 deletions

View file

@ -27,10 +27,21 @@
#include <sys/types.h>
#include <debug.h>
#ifdef CONFIG_ONESHOT
#include <nuttx/timers/oneshot.h>
#ifdef CONFIG_CPULOAD_ONESHOT
#include <nuttx/clock.h>
#endif
#endif
#include "esp32s3_board_tim.h"
#include "esp32s3_tim.h"
#include "esp32s3_tim_lowerhalf.h"
#ifdef CONFIG_ONESHOT
#include "esp32s3_oneshot.h"
#endif
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
@ -39,6 +50,47 @@
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: config_oneshot_timer
*
* Description:
* Configure the oneshot timer driver.
*
* Returned Value:
* Zero (OK) is returned on success; A negated errno value is returned
* to indicate the nature of any failure.
*
****************************************************************************/
#ifdef CONFIG_ONESHOT
static int config_oneshot_timer(int timer, uint16_t resolution)
{
int ret = OK;
struct oneshot_lowerhalf_s *os_lower = NULL;
os_lower = oneshot_initialize(timer, resolution);
if (os_lower == NULL)
{
syslog(LOG_ERR, "Failed to initialize oneshot timer.\n");
return -EBUSY;
}
#if defined(CONFIG_CPULOAD_ONESHOT)
/* Configure the oneshot timer to support CPU load measurement */
nxsched_oneshot_extclk(os_lower);
#else
ret = oneshot_register("/dev/oneshot", os_lower);
if (ret < 0)
{
syslog(LOG_ERR, "Failed to register oneshot device: %d\n", ret);
}
#endif /* CONFIG_CPULOAD_ONESHOT */
return ret;
}
#endif
/****************************************************************************
* Name: board_tim_init
*
@ -55,7 +107,7 @@ int board_tim_init(void)
{
int ret = OK;
#if defined(CONFIG_ESP32S3_TIMER0)
#if defined(CONFIG_ESP32S3_TIMER0) && !defined(CONFIG_ONESHOT)
ret = esp32s3_timer_initialize("/dev/timer0", ESP32S3_TIMER0);
if (ret < 0)
{
@ -87,5 +139,16 @@ int board_tim_init(void)
}
#endif
#if defined(CONFIG_ONESHOT) && defined(CONFIG_ESP32S3_TIMER0)
/* Now register one oneshot driver */
ret = config_oneshot_timer(ESP32S3_TIMER0, ONESHOT_RESOLUTION_US);
if (ret < 0)
{
syslog(LOG_ERR, "Failed to initialize oneshot timer: %d\n", ret);
}
#endif /* CONFIG_ONESHOT */
return ret;
}

View file

@ -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_NSH_ARGCAT is not set
# CONFIG_NSH_CMDOPT_HEXDUMP is not set
# CONFIG_NSH_CMDPARMS is not set
CONFIG_ALARM_ARCH=y
CONFIG_ARCH="xtensa"
CONFIG_ARCH_BOARD="esp32s3-devkit"
CONFIG_ARCH_BOARD_ESP32S3_DEVKIT=y
CONFIG_ARCH_CHIP="esp32s3"
CONFIG_ARCH_CHIP_ESP32S3=y
CONFIG_ARCH_CHIP_ESP32S3WROOM1=y
CONFIG_ARCH_STACKDUMP=y
CONFIG_ARCH_XTENSA=y
CONFIG_BOARD_LOOPSPERMSEC=16717
CONFIG_BUILTIN=y
CONFIG_DEBUG_FULLOPT=y
CONFIG_DEBUG_SYMBOLS=y
CONFIG_ESP32S3_ONESHOT=y
CONFIG_ESP32S3_TIMER0=y
CONFIG_ESP32S3_TIMER1=y
CONFIG_ESP32S3_TIMER2=y
CONFIG_ESP32S3_TIMER3=y
CONFIG_ESP32S3_UART0=y
CONFIG_EXAMPLES_ONESHOT=y
CONFIG_EXAMPLES_TIMER=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_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_ONESHOT=y
CONFIG_PREALLOC_TIMERS=4
CONFIG_RAM_SIZE=114688
CONFIG_RAM_START=0x20000000
CONFIG_RAW_BINARY=y
CONFIG_RR_INTERVAL=200
CONFIG_SCHED_WAITPID=y
CONFIG_START_DAY=6
CONFIG_START_MONTH=12
CONFIG_START_YEAR=2011
CONFIG_SYSTEM_NSH=y
CONFIG_TIMER=y
CONFIG_TIMER_ARCH=y
CONFIG_UART0_SERIAL_CONSOLE=y