Add ESP-IDF component files

.gitignore

@@ -0,0 +1 @@
+liblightmodbus 

CMakeLists.txt

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+# This CMakeLists.txt is only a ESP-IDF component declaration
+include(FetchContent)
+set(LIBLIGHTMODBUS_REPO_DIR "${CMAKE_CURRENT_LIST_DIR}/liblightmodbus")
+
+# Fetch liblightmodbus source code from GitHub
+FetchContent_Populate(liblightmodbus-src
+	GIT_REPOSITORY "https://github.com/jacajack/liblightmodbus.git"
+	GIT_TAG "dev-v3.0"
+	SOURCE_DIR   "${LIBLIGHTMODBUS_REPO_DIR}"
+)
+
+# Copy config file to liblightmodbus include directory
+configure_file(
+	"${CMAKE_CURRENT_LIST_DIR}/src/esp.config.h"
+	"${LIBLIGHTMODBUS_REPO_DIR}/include/lightmodbus/esp.config.h"
+	COPYONLY
+)
+
+# Register component
+idf_component_register(
+	SRCS "src/impl.c"
+	INCLUDE_DIRS "${LIBLIGHTMODBUS_REPO_DIR}/include"
+)
+
+# Inform liblightmodbus to use ESP config header
+idf_build_set_property(COMPILE_DEFINITIONS "-DLIGHTMODBUS_USE_CONFIG_FILE" APPEND)
+idf_build_set_property(COMPILE_DEFINITIONS "-DLIGHTMODBUS_CONFIG_FILE=\"esp.config.h\"" APPEND)

src/esp.config.h

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+#ifndef LIGHTMODBUS_ESP_CONFIG_H
+#define LIGHTMODBUS_ESP_CONFIG_H
+
+#include "sdkconfig.h"
+
+#ifdef CONFIG_LIGHTMODBUS_DEBUG
+#define LIGHTMODBUS_DEBUG
+#endif
+
+#ifdef CONFIG_LIGHTMODBUS_FULL
+#define LIGHTMODBUS_FULL
+#endif
+
+#ifdef CONFIG_LIGHTMODBUS_SLAVE
+#define LIGHTMODBUS_SLAVE
+#endif
+
+#ifdef CONFIG_LIGHTMODBUS_F01S
+#define LIGHTMODBUS_F01S
+#endif
+
+#ifdef CONFIG_LIGHTMODBUS_F02S
+#define LIGHTMODBUS_F02S
+#endif
+
+#ifdef CONFIG_LIGHTMODBUS_F03S
+#define LIGHTMODBUS_F03S
+#endif
+
+#ifdef CONFIG_LIGHTMODBUS_F04S
+#define LIGHTMODBUS_F04S
+#endif
+
+#ifdef CONFIG_LIGHTMODBUS_F05S
+#define LIGHTMODBUS_F05S
+#endif
+
+#ifdef CONFIG_LIGHTMODBUS_F06S
+#define LIGHTMODBUS_F06S
+#endif
+
+#ifdef CONFIG_LIGHTMODBUS_F15S
+#define LIGHTMODBUS_F15S
+#endif
+
+#ifdef CONFIG_LIGHTMODBUS_F16S
+#define LIGHTMODBUS_F16S
+#endif
+
+#ifdef CONFIG_LIGHTMODBUS_F22S
+#define LIGHTMODBUS_F22S
+#endif
+
+#ifdef CONFIG_LIGHTMODBUS_MASTER
+#define LIGHTMODBUS_MASTER
+#endif
+
+#ifdef CONFIG_LIGHTMODBUS_MASTER_OMIT_REQUEST_CRC
+#define LIGHTMODBUS_MASTER_OMIT_REQUEST_CRC
+#endif
+
+#ifdef CONFIG_LIGHTMODBUS_F01M
+#define LIGHTMODBUS_F01M
+#endif
+
+#ifdef CONFIG_LIGHTMODBUS_F02M
+#define LIGHTMODBUS_F02M
+#endif
+
+#ifdef CONFIG_LIGHTMODBUS_F03M
+#define LIGHTMODBUS_F03M
+#endif
+
+#ifdef CONFIG_LIGHTMODBUS_F04M
+#define LIGHTMODBUS_F04M
+#endif
+
+#ifdef CONFIG_LIGHTMODBUS_F05M
+#define LIGHTMODBUS_F05M
+#endif
+
+#ifdef CONFIG_LIGHTMODBUS_F06M
+#define LIGHTMODBUS_F06M
+#endif
+
+#ifdef CONFIG_LIGHTMODBUS_F15M
+#define LIGHTMODBUS_F15M
+#endif
+
+#ifdef CONFIG_LIGHTMODBUS_F16M
+#define LIGHTMODBUS_F16M
+#endif
+
+#ifdef CONFIG_LIGHTMODBUS_F22M
+#define LIGHTMODBUS_F22M
+#endif
+
+#endif

src/impl.c

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+#define LIGHTMODBUS_IMPL
+#include <lightmodbus/lightmodbus.h>