#include <stdlib.h>
#include <cstdint>

#define WEMOS_D1_MINI	1
#define NODE_MCU		2


// https://blog.anto.io/wp-content/uploads/2016/12/esp32.png
// https://i.pinimg.com/originals/c6/57/83/c657835e84aaf91832a770ea0d7d0767.jpg
#define WROOM32_DEVKIT			32
#define TTGO					33

#define TEENSY_41				41

#define DESKTOP					99

#define IS_ESP8266	(PLATFORM == WEMOS_D1_MINI) || (PLATFORM == NODE_MCU)
#define IS_ESP32	(PLATFORM == WROOM32_DEVKIT) || (PLATFORM == TTGO)
#define IS_TEENSY	(PLATFORM == TEENSY_41)
#define IS_DESKTOP	(PLATFORM == DESKTOP)

#ifndef PLATFORM
	#error "PLATFORM compile time variable not defined"
#endif

#if (IS_ESP32)

	//#pragma message "Using ESP32"
	#define DELAY_US(us)		ets_delay_us(us)
	#define IN_FLASH
	
#elif (IS_ESP8266)

	//#pragma message "Using ESP8266"
	#define DELAY_US(us)		os_delay_us(us)
	#define IN_FLASH			ICACHE_FLASH_ATTR
	
#elif (IS_TEENSY)

	//#pragma message "Using Teensy"
	#define DELAY_MS(ms)		delay(ms)

#elif (IS_DESKTOP)

	//#pragma message "Using Desktop"
    #define DELAY_MS(ms)		delay(ms)

#else

	#error "Platforms.h: unsupported platform";
	
#endif

//#define min(a,b) (a<b) ? (a) : (b)
//#define max(a,b) (a>b) ? (a) : (b)

//template <typename T> inline T min(const T a, const T b) {
//	return (a<b) ? (a) : (b);
//}

//template <typename T> inline T max(const T a, const T b) {
//	return (a>b) ? (a) : (b);
//}

#if IS_ESP8266
	#define sprintf		os_sprintf
	extern "C" {
//		#include "ets_sys.h"
//		#include "c_types.h"
//		#include "osapi.h"
//		#include "user_interface.h"
//		#include "mem.h"
//		#include "espconn.h"
		#include "esp_system.h"
	}
#elif IS_ESP32
	#include <stdlib.h>
	#include <string.h>
#endif

#if IS_TEENSY
	#define IRAM_ATTR
#endif