ESP-IDF
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Outline
#include <string.h>
#include "esp_types.h"
#include "esp_log.h"
#include "esp_attr.h"
#include "esp_intr_alloc.h"
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "freertos/semphr.h"
#include "sdkconfig.h"
#include "esp_timer.h"
#include "esp32/rom/ets_sys.h"
#include "esp32s2/rom/ets_sys.h"
#include "esp32s3/rom/ets_sys.h"
#include "esp32c3/rom/ets_sys.h"
#include "esp32c2/rom/ets_sys.h"
#include "esp32c6/rom/ets_sys.h"
#include "esp32c61/rom/ets_sys.h"
#include "esp32c5/rom/ets_sys.h"
#include "esp32h2/rom/ets_sys.h"
#include "esp32p4/rom/ets_sys.h"
#define ESP_TIMER
#define TIMER_INITIALIZED_FIELD
#define TIMER_INITIALIZED_VAL
timer_initialized(ETSTimer *)
ets_timer_setfn(ETSTimer *, ETSTimerFunc *, void *)
ets_timer_arm_us(ETSTimer *, uint32_t, bool)
ets_timer_arm(ETSTimer *, uint32_t, bool)
ets_timer_done(ETSTimer *)
ets_timer_disarm(ETSTimer *)
ets_timer_init()
ets_timer_deinit()
os_timer_setfn(ETSTimer *, ETSTimerFunc *, void *)
os_timer_disarm(ETSTimer *)
os_timer_arm_us(ETSTimer *, uint32_t, bool)
os_timer_arm(ETSTimer *, uint32_t, bool)
os_timer_done(ETSTimer *)
Files
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SourceVuESP-IDF Framework and ExamplesESP-IDFcomponents/esp_timer/src/ets_timer_legacy.c
 
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/* * SPDX-FileCopyrightText: 2010-2024 Espressif Systems (Shanghai) CO LTD * * SPDX-License-Identifier: Apache-2.0 *//* ... */ /* * ets_timer module implements a set of legacy timer APIs which are * used by the WiFi driver. This is done on top of the newer esp_timer APIs. * Applications should not use ets_timer functions, as they may change without * notice. *//* ... */ #include <string.h> #include "esp_types.h" #include "esp_log.h" #include "esp_attr.h" #include "esp_intr_alloc.h" #include "freertos/FreeRTOS.h" #include "freertos/task.h" #include "freertos/semphr.h" #include "sdkconfig.h" #include "esp_timer.h"10 includes //TODO: IDF-9526, refactor this // for ETSTimer type #if CONFIG_IDF_TARGET_ESP32 #include "esp32/rom/ets_sys.h" #elif CONFIG_IDF_TARGET_ESP32S2 #include "esp32s2/rom/ets_sys.h" #elif CONFIG_IDF_TARGET_ESP32S3 #include "esp32s3/rom/ets_sys.h" #elif CONFIG_IDF_TARGET_ESP32C3 #include "esp32c3/rom/ets_sys.h" #elif CONFIG_IDF_TARGET_ESP32C2 #include "esp32c2/rom/ets_sys.h" #elif CONFIG_IDF_TARGET_ESP32C6 #include "esp32c6/rom/ets_sys.h" #elif CONFIG_IDF_TARGET_ESP32C61 #include "esp32c61/rom/ets_sys.h" #elif CONFIG_IDF_TARGET_ESP32C5 #include "esp32c5/rom/ets_sys.h" #elif CONFIG_IDF_TARGET_ESP32H2 #include "esp32h2/rom/ets_sys.h" #elif CONFIG_IDF_TARGET_ESP32P4 #include "esp32p4/rom/ets_sys.h" #endif /* We abuse 'timer_arg' field of ETSTimer structure to hold a pointer to esp_timer */ #define ESP_TIMER(p_ets_timer) ((esp_timer_handle_t) (p_ets_timer)->timer_arg) /* We abuse 'timer_expire' field of ETSTimer structure to hold a magic value * signifying that the contents of the timer was zeroed out. *//* ... */ #define TIMER_INITIALIZED_FIELD(p_ets_timer) ((p_ets_timer)->timer_expire) #define TIMER_INITIALIZED_VAL 0x12121212 static IRAM_ATTR bool timer_initialized(ETSTimer *ptimer) { return TIMER_INITIALIZED_FIELD(ptimer) == TIMER_INITIALIZED_VAL; }{ ... } void ets_timer_setfn(ETSTimer *ptimer, ETSTimerFunc *pfunction, void *parg) { if (!timer_initialized(ptimer)) { memset(ptimer, 0, sizeof(*ptimer)); TIMER_INITIALIZED_FIELD(ptimer) = TIMER_INITIALIZED_VAL; }{...} if (ESP_TIMER(ptimer) == NULL) { const esp_timer_create_args_t create_args = { .callback = pfunction, .arg = parg, .name = "ETSTimer", .dispatch_method = ESP_TIMER_TASK }{...}; ESP_ERROR_CHECK(esp_timer_create(&create_args, (esp_timer_handle_t*) & (ptimer->timer_arg))); }{...} }{ ... } void IRAM_ATTR ets_timer_arm_us(ETSTimer *ptimer, uint32_t time_us, bool repeat_flag) { assert(timer_initialized(ptimer)); esp_timer_stop(ESP_TIMER(ptimer)); // no error check if (!repeat_flag) { ESP_ERROR_CHECK(esp_timer_start_once(ESP_TIMER(ptimer), time_us)); }{...} else { ESP_ERROR_CHECK(esp_timer_start_periodic(ESP_TIMER(ptimer), time_us)); }{...} }{ ... } void IRAM_ATTR ets_timer_arm(ETSTimer *ptimer, uint32_t time_ms, bool repeat_flag) { uint64_t time_us = 1000LL * (uint64_t) time_ms; assert(timer_initialized(ptimer)); esp_timer_stop(ESP_TIMER(ptimer)); // no error check if (!repeat_flag) { ESP_ERROR_CHECK(esp_timer_start_once(ESP_TIMER(ptimer), time_us)); }{...} else { ESP_ERROR_CHECK(esp_timer_start_periodic(ESP_TIMER(ptimer), time_us)); }{...} }{ ... } void ets_timer_done(ETSTimer *ptimer) { if (timer_initialized(ptimer)) { esp_timer_delete(ESP_TIMER(ptimer)); ptimer->timer_arg = NULL; TIMER_INITIALIZED_FIELD(ptimer) = 0; }{...} }{ ... } void IRAM_ATTR ets_timer_disarm(ETSTimer *ptimer) { if (timer_initialized(ptimer)) { esp_timer_stop(ESP_TIMER(ptimer)); }{...} }{ ... } void ets_timer_init(void) { }{ ... } void ets_timer_deinit(void) { }{ ... } void os_timer_setfn(ETSTimer *ptimer, ETSTimerFunc *pfunction, void *parg) __attribute__((alias("ets_timer_setfn"))); void os_timer_disarm(ETSTimer *ptimer) __attribute__((alias("ets_timer_disarm"))); void os_timer_arm_us(ETSTimer *ptimer, uint32_t u_seconds, bool repeat_flag) __attribute__((alias("ets_timer_arm_us"))); void os_timer_arm(ETSTimer *ptimer, uint32_t milliseconds, bool repeat_flag) __attribute__((alias("ets_timer_arm"))); void os_timer_done(ETSTimer *ptimer) __attribute__((alias("ets_timer_done")));
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