software/ampel-firmware/util.h

55 lines
1.5 KiB
C++

#ifndef AMPEL_UTIL_H_INCLUDED
#define AMPEL_UTIL_H_INCLUDED
#include <Arduino.h>
#include "config.h"
#include "sensor_console.h"
#include <WiFiUdp.h> // required for NTP
#include "src/lib/NTPClient-master/NTPClient.h" // NTP
#if defined(ESP8266)
# include <ESP8266WiFi.h> // required to get MAC address
# define esp_get_max_free_block_size() ESP.getMaxFreeBlockSize()
# define esp_get_heap_fragmentation() ESP.getHeapFragmentation()
#elif defined(ESP32)
# include <WiFi.h> // required to get MAC address
# define esp_get_max_free_block_size() ESP.getMaxAllocHeap() //largest block of heap that can be allocated.
# define esp_get_heap_fragmentation() "?" // apparently not available for ESP32
#endif
namespace ntp {
void initialize();
void update();
void getLocalTime(char *timestamp);
}
namespace util {
template<typename Tpa, typename Tpb>
inline auto min(const Tpa &a, const Tpb &b) -> decltype(a < b ? a : b) {
return b < a ? b : a;
}
template<typename Tpa, typename Tpb>
inline auto max(const Tpa &a, const Tpb &b) -> decltype(b > a ? b : a) {
return b > a ? b : a;
}
}
class Ampel {
private:
static void showFreeSpace();
public:
const char *version = "v0.2.3-DEV"; // Update manually after significant changes.
const char *board;
const char *sensorId;
const char *macAddress;
uint32_t max_loop_duration;
Ampel();
};
extern Ampel ampel;
//NOTE: Only use seconds() for duration comparison, not timestamps comparison. Otherwise, problems happen when millis roll over.
#define seconds() (millis() / 1000UL)
#endif