add lib/eModbus-eModbus

Software/src/lib/eModbus-eModbus/options.h

@@ -0,0 +1,59 @@
+// =================================================================================================
+// eModbus: Copyright 2020 by Michael Harwerth, Bert Melis and the contributors to eModbus
+//               MIT license - see license.md for details
+// =================================================================================================
+#ifndef _EMODBUS_OPTIONS_H
+#define _EMODBUS_OPTIONS_H
+
+/* === ESP32 DEFINITIONS AND MACROS === */
+#if defined(ESP32) 
+#include <Arduino.h>
+#define USE_MUTEX 1
+#define HAS_FREERTOS 1
+#define HAS_ETHERNET 1
+#define IS_LINUX 0
+#define NEED_UART_PATCH 1
+
+/* === ESP8266 DEFINITIONS AND MACROS === */
+#elif defined(ESP8266)
+#include <Arduino.h>
+#define USE_MUTEX 0
+#define HAS_FREERTOS 0
+#define HAS_ETHERNET 0
+#define IS_LINUX 0
+#define NEED_UART_PATCH 0
+
+/* === LINUX DEFINITIONS AND MACROS === */
+#elif defined(__linux__)
+#define USE_MUTEX 1
+#define HAS_FREERTOS 0
+#define HAS_ETHERNET 0
+#define IS_LINUX 1
+#define NEED_UART_PATCH 0
+#include <cstdio>  // for printf()
+#include <cstring> // for memcpy(), strlen() etc.
+#include <cinttypes> // for uint32_t etc.
+#if IS_RASPBERRY
+#include <wiringPi.h>
+#else
+#include <chrono>  // NOLINT
+// Use nanosleep() to avoid problems with pthreads (std::this_thread::sleep_for would interfere!)
+#define delay(x)  nanosleep((const struct timespec[]){{x/1000, (x%1000)*1000000L}}, NULL);
+typedef std::chrono::steady_clock clk;
+#define millis() std::chrono::duration_cast<std::chrono::milliseconds>(clk::now().time_since_epoch()).count()
+#define micros() std::chrono::duration_cast<std::chrono::microseconds>(clk::now().time_since_epoch()).count()
+#endif
+
+/* === INVALID TARGET === */
+#else
+#error Define target in options.h
+#endif
+
+/* === COMMON MACROS === */
+#if USE_MUTEX
+#define LOCK_GUARD(x,y) std::lock_guard<std::mutex> x(y);
+#else
+#define LOCK_GUARD(x,y)
+#endif
+
+#endif // _EMODBUS_OPTIONS_H