backported.h

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#pragma once
#include <Arduino.h>
 
 
// ESP32 defines various types and functions that are missing on ESP8266.
// Backport missing types / macros to allow simpler source management.
 
#if defined(ARDUINO_ARCH_ESP32)
#   include "esp_err.h"
#elif defined(ARDUINO_ARCH_ESP8266)
 
#ifdef __cplusplus
extern "C" {
#endif
 
typedef int esp_err_t; // currently only need two defined status: OK & FAIL
#define ESP_OK          0
#define ESP_FAIL        -1
 
#ifdef DEBUG_ESP_PORT
    #define LOG_ERROR_MSG(...) DEBUG_ESP_PORT.printf( __VA_ARGS__ )
#else
    #define LOG_ERROR_MSG(...)
#endif
 
#ifndef likely
    #define likely(x)      __builtin_expect(!!(x), 1)
#endif
#ifndef unlikely
    #define unlikely(x)    __builtin_expect(!!(x), 0)
#endif
 
#if defined(NDEBUG)
    #define ESP_ERROR_CHECK(x)                                          \
        do {                                                            \
            esp_err_t err_rc_ = (x);                                    \
            (void) sizeof(err_rc_);                                     \
        } while(0)
#elif defined(CONFIG_COMPILER_OPTIMIZATION_ASSERTIONS_SILENT)
    #define ESP_ERROR_CHECK(x)                                          \
        do {                                                            \
            esp_err_t err_rc_ = (x);                                    \
            if (unlikely(err_rc_ != ESP_OK)) {                          \
                abort();                                                \
            }                                                           \
        } while(0)
#else
    #define ESP_ERROR_CHECK(x)                                          \
        do {                                                            \
            esp_err_t err_rc_ = (x);                                    \
            if (unlikely(err_rc_ != ESP_OK)) {                          \
                LOG_ERROR_MSG("err: esp_err_t = %d", rc);               \
                assert(0 && #x);                                        \
            }                                                           \
        } while(0);
 
#endif
 
 
 
 
 
#ifdef __cplusplus
}
#endif
 
#else
#   error "Unsupported CPU type"
#endif