helpers.cpp

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#include "esphome/core/helpers.h"
 
#ifdef USE_LIBRETINY
 
#include "esphome/core/hal.h"
 
#include <WiFi.h>  // for macAddress()
 
namespace esphome {
 
uint32_t random_uint32() { return rand(); }
 
bool random_bytes(uint8_t *data, size_t len) {
  lt_rand_bytes(data, len);
  return true;
}
 
Mutex::Mutex() { handle_ = xSemaphoreCreateMutex(); }
Mutex::~Mutex() {}
void Mutex::lock() { xSemaphoreTake(this->handle_, portMAX_DELAY); }
bool Mutex::try_lock() { return xSemaphoreTake(this->handle_, 0) == pdTRUE; }
void Mutex::unlock() { xSemaphoreGive(this->handle_); }
 
// only affects the executing core
// so should not be used as a mutex lock, only to get accurate timing
IRAM_ATTR InterruptLock::InterruptLock() { portDISABLE_INTERRUPTS(); }
IRAM_ATTR InterruptLock::~InterruptLock() { portENABLE_INTERRUPTS(); }
 
// LibreTiny doesn't support lwIP core locking, so this is a no-op
LwIPLock::LwIPLock() {}
LwIPLock::~LwIPLock() {}
 
void get_mac_address_raw(uint8_t *mac) {  // NOLINT(readability-non-const-parameter)
  WiFi.macAddress(mac);
}
 
}  // namespace esphome
 
#endif  // USE_LIBRETINY