Files
esphome/esphome/components/esp32/core.cpp
2025-12-16 20:06:12 -05:00

83 lines
2.6 KiB
C++

#ifdef USE_ESP32
#include "esphome/core/defines.h"
#include "esphome/core/hal.h"
#include "esphome/core/helpers.h"
#include "preferences.h"
#include <esp_clk_tree.h>
#include <esp_cpu.h>
#include <esp_idf_version.h>
#include <esp_ota_ops.h>
#include <esp_task_wdt.h>
#include <esp_timer.h>
#include <freertos/FreeRTOS.h>
#include <freertos/task.h>
void setup(); // NOLINT(readability-redundant-declaration)
void loop(); // NOLINT(readability-redundant-declaration)
// Weak stub for initArduino - overridden when the Arduino component is present
extern "C" __attribute__((weak)) void initArduino() {}
namespace esphome {
void IRAM_ATTR HOT yield() { vPortYield(); }
uint32_t IRAM_ATTR HOT millis() { return (uint32_t) (esp_timer_get_time() / 1000ULL); }
void IRAM_ATTR HOT delay(uint32_t ms) { vTaskDelay(ms / portTICK_PERIOD_MS); }
uint32_t IRAM_ATTR HOT micros() { return (uint32_t) esp_timer_get_time(); }
void IRAM_ATTR HOT delayMicroseconds(uint32_t us) { delay_microseconds_safe(us); }
void arch_restart() {
esp_restart();
// restart() doesn't always end execution
while (true) { // NOLINT(clang-diagnostic-unreachable-code)
yield();
}
}
void arch_init() {
// Enable the task watchdog only on the loop task (from which we're currently running)
esp_task_wdt_add(nullptr);
// If the bootloader was compiled with CONFIG_BOOTLOADER_APP_ROLLBACK_ENABLE the current
// partition will get rolled back unless it is marked as valid.
esp_ota_img_states_t state;
const esp_partition_t *running = esp_ota_get_running_partition();
if (esp_ota_get_state_partition(running, &state) == ESP_OK) {
if (state == ESP_OTA_IMG_PENDING_VERIFY) {
esp_ota_mark_app_valid_cancel_rollback();
}
}
}
void IRAM_ATTR HOT arch_feed_wdt() { esp_task_wdt_reset(); }
uint8_t progmem_read_byte(const uint8_t *addr) { return *addr; }
uint32_t arch_get_cpu_cycle_count() { return esp_cpu_get_cycle_count(); }
uint32_t arch_get_cpu_freq_hz() {
uint32_t freq = 0;
esp_clk_tree_src_get_freq_hz(SOC_MOD_CLK_CPU, ESP_CLK_TREE_SRC_FREQ_PRECISION_CACHED, &freq);
return freq;
}
TaskHandle_t loop_task_handle = nullptr; // NOLINT(cppcoreguidelines-avoid-non-const-global-variables)
void loop_task(void *pv_params) {
setup();
while (true) {
loop();
}
}
extern "C" void app_main() {
initArduino();
esp32::setup_preferences();
#if CONFIG_FREERTOS_UNICORE
xTaskCreate(loop_task, "loopTask", ESPHOME_LOOP_TASK_STACK_SIZE, nullptr, 1, &loop_task_handle);
#else
xTaskCreatePinnedToCore(loop_task, "loopTask", ESPHOME_LOOP_TASK_STACK_SIZE, nullptr, 1, &loop_task_handle, 1);
#endif
}
} // namespace esphome
#endif // USE_ESP32