helpers.cpp

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#include "esphome/core/helpers.h"
 
#ifdef USE_ESP8266
 
#include <osapi.h>
#include <user_interface.h>
// for xt_rsil()/xt_wsr_ps()
#include <Arduino.h>
 
namespace esphome {
 
uint32_t random_uint32() { return os_random(); }
bool random_bytes(uint8_t *data, size_t len) { return os_get_random(data, len) == 0; }
 
// ESP8266 doesn't have mutexes, but that shouldn't be an issue as it's single-core and non-preemptive OS.
Mutex::Mutex() {}
Mutex::~Mutex() {}
void Mutex::lock() {}
bool Mutex::try_lock() { return true; }
void Mutex::unlock() {}
 
IRAM_ATTR InterruptLock::InterruptLock() { state_ = xt_rsil(15); }
IRAM_ATTR InterruptLock::~InterruptLock() { xt_wsr_ps(state_); }
 
// ESP8266 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_get_macaddr(STATION_IF, mac);
}
 
}  // namespace esphome
 
#endif  // USE_ESP8266