- added serial port hal

- moved hal to separate directory
- added new hal cmake project

CMakeLists.txt

@@ -92,11 +92,11 @@ include_directories(
 )
 
 set(API_HEADERS
-    src/hal/inc/hal_time.h
-    src/hal/inc/hal_thread.h
-    src/hal/inc/hal_filesystem.h
-    src/hal/inc/hal_ethernet.h
-    src/hal/inc/platform_endian.h
+    hal/inc/hal_time.h
+    hal/inc/hal_thread.h
+    hal/inc/hal_filesystem.h
+    hal/inc/hal_ethernet.h
+    hal/inc/platform_endian.h
     src/common/inc/libiec61850_common_api.h
     src/common/inc/libiec61850_platform_includes.h
     src/common/inc/linked_list.h
@@ -161,6 +161,8 @@ configure_file(
     ${CMAKE_CURRENT_BINARY_DIR}/config/stack_config.h
 )
 
+include("${CMAKE_CURRENT_LIST_DIR}/hal/CMakeLists.txt")
+
 if(BUILD_EXAMPLES)
     add_subdirectory(${CMAKE_CURRENT_LIST_DIR}/examples)
 endif(BUILD_EXAMPLES)

hal/CMakeLists.txt

@@ -0,0 +1,107 @@
+cmake_minimum_required(VERSION 2.8)
+
+# automagically detect if we should cross-compile
+if(DEFINED ENV{TOOLCHAIN})
+    set(CMAKE_C_COMPILER        $ENV{TOOLCHAIN}gcc)
+    set(CMAKE_CXX_COMPILER      $ENV{TOOLCHAIN}g++)
+    set(CMAKE_AR        "$ENV{TOOLCHAIN}ar" CACHE FILEPATH "CW archiver" FORCE)
+endif()
+
+project(hal)
+
+set(LIBHAL_VERSION_MAJOR "2")
+set(LIBHAL_VERSION_MINOR "0")
+set(LIBHAL_VERSION_PATCH "0")
+
+include_directories(
+    ${CMAKE_CURRENT_LIST_DIR}/inc
+)
+
+set (libhal_linux_SRCS
+ ${CMAKE_CURRENT_LIST_DIR}/socket/linux/socket_linux.c
+ ${CMAKE_CURRENT_LIST_DIR}/ethernet/linux/ethernet_linux.c
+ ${CMAKE_CURRENT_LIST_DIR}/thread/linux/thread_linux.c
+ ${CMAKE_CURRENT_LIST_DIR}/filesystem/linux/file_provider_linux.c
+ ${CMAKE_CURRENT_LIST_DIR}/time/unix/time.c
+ ${CMAKE_CURRENT_LIST_DIR}/serial/linux/serial_port_linux.c
+)
+
+set (libhal_windows_SRCS
+ ${CMAKE_CURRENT_LIST_DIR}/socket/win32/socket_win32.c
+ ${CMAKE_CURRENT_LIST_DIR}/ethernet/win32/ethernet_win32.c
+ ${CMAKE_CURRENT_LIST_DIR}/thread/win32/thread_win32.c
+ ${CMAKE_CURRENT_LIST_DIR}/filesystem/win32/file_provider_win32.c
+ ${CMAKE_CURRENT_LIST_DIR}/time/win32/time.c
+ ${CMAKE_CURRENT_LIST_DIR}/serial/win32/serial_port_win32.c
+)
+
+set (libhal_bsd_SRCS
+ ${CMAKE_CURRENT_LIST_DIR}/socket/bsd/socket_bsd.c
+ ${CMAKE_CURRENT_LIST_DIR}/ethernet/bsd/ethernet_bsd.c
+ ${CMAKE_CURRENT_LIST_DIR}/thread/bsd/thread_bsd.c
+ ${CMAKE_CURRENT_LIST_DIR}/filesystem/linux/file_provider_linux.c
+ ${CMAKE_CURRENT_LIST_DIR}/time/unix/time.c
+)
+
+IF(WIN32)
+
+if(EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/../third_party/winpcap/Lib/wpcap.lib")
+message("Found winpcap -> can compile with GOOSE support")
+set(WITH_WPCAP 1)
+endif()
+
+
+
+set (libhal_SRCS
+    ${libhal_windows_SRCS}
+)
+
+ELSEIF(UNIX)
+IF(APPLE)
+set (libhal_SRCS
+    ${libhal_bsd_SRCS}
+)
+ELSEIF(${CMAKE_SYSTEM_NAME} MATCHES "FreeBSD")
+set (libhal_SRCS
+    ${libhal_bsd_SRCS}}
+)
+ELSE()
+set (libhal_SRCS
+    ${libhal_linux_SRCS}
+)
+ENDIF(APPLE)
+ENDIF(WIN32)
+
+#set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fPIC" )
+#set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fPIC" )
+
+add_library (hal STATIC ${libhal_SRCS})
+
+add_library (hal-shared STATIC ${libhal_SRCS})
+
+SET_TARGET_PROPERTIES(hal-shared PROPERTIES
+  COMPILE_FLAGS "-fPIC"
+)
+
+IF(UNIX)
+  IF (CONFIG_SYSTEM_HAS_CLOCK_GETTIME)
+     target_link_libraries (hal
+         -lpthread
+         -lrt
+     )
+  ELSE ()
+     target_link_libraries (hal
+         -lpthread
+     )
+  ENDIF (CONFIG_SYSTEM_HAS_CLOCK_GETTIME)
+ENDIF(UNIX)
+IF(MINGW)
+  target_link_libraries(hal ws2_32 iphlpapi)
+ENDIF(MINGW)
+
+iF(WITH_WPCAP)
+target_link_libraries(hal
+   ${CMAKE_CURRENT_SOURCE_DIR}/../third_party/winpcap/lib/wpcap.lib
+   ${CMAKE_CURRENT_SOURCE_DIR}/../third_party/winpcap/lib/packet.lib
+)
+ENDIF(WITH_WPCAP)

hal/serial/linux/serial_port_linux.c

@@ -0,0 +1,277 @@
+/*
+ *  serial_port_linux.c
+ *
+ *  Copyright 2017 MZ Automation GmbH
+ *
+ *  This file is part of lib60870-C
+ *
+ *  lib60870-C is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  lib60870-C is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with lib60870-C.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ *  See COPYING file for the complete license text.
+ */
+
+#include "lib_memory.h"
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <termios.h>
+#include <fcntl.h>
+#include <unistd.h>
+
+#include "hal_serial.h"
+#include "hal_time.h"
+
+struct sSerialPort {
+    char interfaceName[100];
+    int fd;
+    int baudRate;
+    uint8_t dataBits;
+    char parity;
+    uint8_t stopBits;
+    uint64_t lastSentTime;
+    struct timeval timeout;
+    SerialPortError lastError;
+};
+
+
+SerialPort
+SerialPort_create(const char* interfaceName, int baudRate, uint8_t dataBits, char parity, uint8_t stopBits)
+{
+    SerialPort self = (SerialPort) GLOBAL_MALLOC(sizeof(struct sSerialPort));
+
+    if (self != NULL) {
+        self->fd = -1;
+        self->baudRate = baudRate;
+        self->dataBits = dataBits;
+        self->stopBits = stopBits;
+        self->parity = parity;
+        self->lastSentTime = 0;
+        self->timeout.tv_sec = 0;
+        self->timeout.tv_usec = 100000; /* 100 ms */
+        strncpy(self->interfaceName, interfaceName, 100);
+        self->lastError = SERIAL_PORT_ERROR_NONE;
+    }
+
+    return self;
+}
+
+void
+SerialPort_destroy(SerialPort self)
+{
+    if (self != NULL) {
+        GLOBAL_FREEMEM(self);
+    }
+}
+
+bool
+SerialPort_open(SerialPort self)
+{
+    self->fd = open(self->interfaceName, O_RDWR | O_NOCTTY | O_NDELAY | O_EXCL);
+
+    if (self->fd == -1) {
+        self->lastError = SERIAL_PORT_ERROR_OPEN_FAILED;
+        return false;
+    }
+
+    struct termios tios;
+    speed_t baudrate;
+
+    tcgetattr(self->fd, &tios);
+
+    switch (self->baudRate) {
+    case 110:
+        baudrate = B110;
+        break;
+    case 300:
+        baudrate = B300;
+        break;
+    case 600:
+        baudrate = B600;
+        break;
+    case 1200:
+        baudrate = B1200;
+        break;
+    case 2400:
+        baudrate = B2400;
+        break;
+    case 4800:
+        baudrate = B4800;
+        break;
+    case 9600:
+        baudrate = B9600;
+        break;
+    case 19200:
+        baudrate = B19200;
+        break;
+    case 38400:
+        baudrate = B38400;
+        break;
+    case 57600:
+        baudrate = B57600;
+        break;
+    case 115200:
+        baudrate = B115200;
+        break;
+    default:
+        baudrate = B9600;
+        self->lastError = SERIAL_PORT_ERROR_INVALID_BAUDRATE;
+    }
+
+    /* Set baud rate */
+    if ((cfsetispeed(&tios, baudrate) < 0) || (cfsetospeed(&tios, baudrate) < 0)) {
+        close(self->fd);
+        self->fd = -1;
+        self->lastError = SERIAL_PORT_ERROR_INVALID_BAUDRATE;
+        return false;
+    }
+
+    tios.c_cflag |= (CREAD | CLOCAL);
+
+    /* Set data bits (5/6/7/8) */
+    tios.c_cflag &= ~CSIZE;
+    switch (self->dataBits) {
+    case 5:
+        tios.c_cflag |= CS5;
+        break;
+    case 6:
+        tios.c_cflag |= CS6;
+        break;
+    case 7:
+        tios.c_cflag |= CS7;
+        break;
+    case 8:
+    default:
+        tios.c_cflag |= CS8;
+        break;
+    }
+
+    /* Set stop bits (1/2) */
+    if (self->stopBits == 1)
+        tios.c_cflag &=~ CSTOPB;
+    else /* 2 */
+        tios.c_cflag |= CSTOPB;
+
+    if (self->parity == 'N') {
+        tios.c_cflag &=~ PARENB;
+    } else if (self->parity == 'E') {
+        tios.c_cflag |= PARENB;
+        tios.c_cflag &=~ PARODD;
+    } else { /* 'O' */
+        tios.c_cflag |= PARENB;
+        tios.c_cflag |= PARODD;
+    }
+
+    tios.c_lflag &= ~(ICANON | ECHO | ECHOE | ISIG);
+
+    if (self->parity == 'N') {
+        tios.c_iflag &= ~INPCK;
+    } else {
+        tios.c_iflag |= INPCK;
+    }
+
+    tios.c_iflag &= ~(IXON | IXOFF | IXANY);
+    tios.c_iflag |= IGNBRK; /* Set ignore break to allow 0xff characters */
+    tios.c_iflag |= IGNPAR;
+    tios.c_oflag &=~ OPOST;
+
+    tios.c_cc[VMIN] = 0;
+    tios.c_cc[VTIME] = 0;
+
+    if (tcsetattr(self->fd, TCSANOW, &tios) < 0) {
+        close(self->fd);
+        self->fd = -1;
+        self->lastError = SERIAL_PORT_ERROR_INVALID_ARGUMENT;
+
+        return false;
+    }
+
+    return true;
+}
+
+void
+SerialPort_close(SerialPort self)
+{
+    if (self->fd != -1) {
+        close(self->fd);
+        self->fd = 0;
+    }
+}
+
+int
+SerialPort_getBaudRate(SerialPort self)
+{
+    return self->baudRate;
+}
+
+void
+SerialPort_discardInBuffer(SerialPort self)
+{
+    tcflush(self->fd, TCIOFLUSH);
+}
+
+void
+SerialPort_setTimeout(SerialPort self, int timeout)
+{
+    self->timeout.tv_sec = timeout / 1000;
+    self->timeout.tv_usec = (timeout % 1000) * 1000;
+}
+
+SerialPortError
+SerialPort_getLastError(SerialPort self)
+{
+    return self->lastError;
+}
+
+int
+SerialPort_readByte(SerialPort self)
+{
+    uint8_t buf[1];
+    fd_set set;
+
+    self->lastError = SERIAL_PORT_ERROR_NONE;
+
+    FD_ZERO(&set);
+    FD_SET(self->fd, &set);
+
+    int ret = select(self->fd + 1, &set, NULL, NULL, &(self->timeout));
+
+    if (ret == -1) {
+        self->lastError = SERIAL_PORT_ERROR_UNKNOWN;
+        return -1;
+    }
+    else if (ret == 0)
+        return -1;
+    else {
+        read(self->fd, (char*) buf, 1);
+
+        return (int) buf[0];
+    }
+}
+
+int
+SerialPort_write(SerialPort self, uint8_t* buffer, int startPos, int bufSize)
+{
+    //TODO assure minimum line idle time
+
+    self->lastError = SERIAL_PORT_ERROR_NONE;
+
+    ssize_t result = write(self->fd, buffer + startPos, bufSize);
+
+    tcdrain(self->fd);
+
+    self->lastSentTime = Hal_getTimeInMs();
+
+    return result;
+}

hal/serial/win32/serial_port_win32.c

@@ -0,0 +1,283 @@
+/*
+*  serial_port_win32.c
+*
+*  Copyright 2017 MZ Automation GmbH
+*
+*  This file is part of lib60870-C
+*
+*  lib60870-C is free software: you can redistribute it and/or modify
+*  it under the terms of the GNU General Public License as published by
+*  the Free Software Foundation, either version 3 of the License, or
+*  (at your option) any later version.
+*
+*  lib60870-C is distributed in the hope that it will be useful,
+*  but WITHOUT ANY WARRANTY; without even the implied warranty of
+*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+*  GNU General Public License for more details.
+*
+*  You should have received a copy of the GNU General Public License
+*  along with lib60870-C.  If not, see <http://www.gnu.org/licenses/>.
+*
+*  See COPYING file for the complete license text.
+*/
+
+#include <stdint.h>
+#include <stdio.h>
+
+#include <Windows.h>
+
+#include "lib_memory.h"
+
+#include "hal_serial.h"
+#include "hal_time.h"
+
+struct sSerialPort {
+	char interfaceName[100];
+	HANDLE comPort;
+	int baudRate;
+	uint8_t dataBits;
+	char parity;
+	uint8_t stopBits;
+	uint64_t lastSentTime;
+	int timeout;
+	SerialPortError lastError;
+};
+
+SerialPort
+SerialPort_create(const char* interfaceName, int baudRate, uint8_t dataBits, char parity, uint8_t stopBits)
+{
+	SerialPort self = (SerialPort)GLOBAL_MALLOC(sizeof(struct sSerialPort));
+
+	if (self != NULL) {
+		self->comPort = NULL;
+		self->baudRate = baudRate;
+		self->dataBits = dataBits;
+		self->stopBits = stopBits;
+		self->parity = parity;
+		self->lastSentTime = 0;
+		self->timeout = 100; /* 100 ms */
+		strncpy(self->interfaceName, interfaceName, 100);
+		self->lastError = SERIAL_PORT_ERROR_NONE;
+	}
+
+	return self;
+}
+
+void
+SerialPort_destroy(SerialPort self)
+{
+	if (self != NULL) {
+
+		if (self->comPort != INVALID_HANDLE_VALUE)
+			SerialPort_close(self);
+
+		GLOBAL_FREEMEM(self);
+	}
+}
+
+bool
+SerialPort_open(SerialPort self)
+{
+	self->comPort = CreateFile(self->interfaceName, GENERIC_READ | GENERIC_WRITE,
+		0, NULL, OPEN_EXISTING, 0, NULL);
+
+
+	if (self->comPort == INVALID_HANDLE_VALUE) {
+		self->lastError = SERIAL_PORT_ERROR_OPEN_FAILED;
+		return false;
+	}
+
+	DCB _serialParams = { 0 };
+	_serialParams.DCBlength = sizeof(DCB);
+
+	LPDCB serialParams = &_serialParams;
+
+	BOOL status = GetCommState(self->comPort, serialParams);
+
+	if (status == false) {
+		self->lastError = SERIAL_PORT_ERROR_UNKNOWN;
+		goto exit_error;
+	}
+
+	/* set baud rate */
+	switch (self->baudRate) {
+	case 110:
+		serialParams->BaudRate = CBR_110;
+		break;
+	case 300:
+		serialParams->BaudRate = CBR_300;
+		break;
+	case 600:
+		serialParams->BaudRate = CBR_600;
+		break;
+	case 1200:
+		serialParams->BaudRate = CBR_1200;
+		break;
+	case 2400:
+		serialParams->BaudRate = CBR_2400;
+		break;
+	case 4800:
+		serialParams->BaudRate = CBR_4800;
+		break;
+	case 9600:
+		serialParams->BaudRate = CBR_9600;
+		break;
+	case 19200:
+		serialParams->BaudRate = CBR_19200;
+		break;
+	case 38400:
+		serialParams->BaudRate = CBR_38400;
+		break;
+	case 57600:
+		serialParams->BaudRate = CBR_57600;
+		break;
+	case 115200:
+		serialParams->BaudRate = CBR_115200;
+		break;
+	default:
+		serialParams->BaudRate = CBR_9600;
+		self->lastError = SERIAL_PORT_ERROR_INVALID_BAUDRATE;
+	}
+
+	/* Set data bits (5/6/7/8) */
+	serialParams->ByteSize = self->dataBits;
+
+	/* Set stop bits (1/2) */
+	if (self->stopBits == 1)
+		serialParams->StopBits = ONESTOPBIT;
+	else /* 2 */
+		serialParams->StopBits = TWOSTOPBITS;
+
+	if (self->parity == 'N')
+		serialParams->Parity = NOPARITY;
+	else if (self->parity == 'E')
+		serialParams->Parity = EVENPARITY;
+	else /* 'O' */
+		serialParams->Parity = ODDPARITY;
+
+	status = SetCommState(self->comPort, serialParams);
+
+	if (status == false) {
+		self->lastError = SERIAL_PORT_ERROR_INVALID_ARGUMENT;
+		goto exit_error;
+	}
+
+	COMMTIMEOUTS timeouts = { 0 };
+
+	timeouts.ReadIntervalTimeout = 100;
+	timeouts.ReadTotalTimeoutConstant = 50;
+	timeouts.ReadTotalTimeoutMultiplier = 10;
+	timeouts.WriteTotalTimeoutConstant = 100;
+	timeouts.WriteTotalTimeoutMultiplier = 10;
+
+	status = SetCommTimeouts(self->comPort, &timeouts);
+
+	if (status == false) {
+		self->lastError = SERIAL_PORT_ERROR_UNKNOWN;
+		goto exit_error;
+	}
+
+	status = SetCommMask(self->comPort, EV_RXCHAR);
+
+	if (status == false) {
+		printf("SetCommMask failed!\n");
+		self->lastError = SERIAL_PORT_ERROR_UNKNOWN;
+		goto exit_error;
+	}
+
+	self->lastError = SERIAL_PORT_ERROR_NONE;
+
+	return true;
+
+exit_error:
+
+	if (self->comPort != INVALID_HANDLE_VALUE) {
+		CloseHandle(self->comPort);
+		self->comPort = INVALID_HANDLE_VALUE;
+	}
+
+	return false;
+}
+
+
+void
+SerialPort_close(SerialPort self)
+{
+	if (self->comPort != INVALID_HANDLE_VALUE) {
+		CloseHandle(self->comPort);
+		self->comPort = INVALID_HANDLE_VALUE;
+	}
+}
+
+int
+SerialPort_getBaudRate(SerialPort self)
+{
+	return self->baudRate;
+}
+
+void
+SerialPort_discardInBuffer(SerialPort self)
+{
+	PurgeComm(self->comPort, PURGE_RXCLEAR | PURGE_TXCLEAR);
+}
+
+void
+SerialPort_setTimeout(SerialPort self, int timeout)
+{
+	self->timeout = timeout;
+}
+
+SerialPortError
+SerialPort_getLastError(SerialPort self)
+{
+	return self->lastError;
+}
+
+int
+SerialPort_readByte(SerialPort self)
+{
+	uint8_t buf[1];
+
+	DWORD bytesRead = 0;
+
+	BOOL status = ReadFile(self->comPort, buf, 1, &bytesRead, NULL);
+
+	if (status == false) {
+		self->lastError = SERIAL_PORT_ERROR_UNKNOWN;
+		return -1;
+	}
+
+	self->lastError = SERIAL_PORT_ERROR_NONE;
+
+	if (bytesRead == 0)
+		return -1;
+	else
+		return (int) buf[0];
+}
+
+int
+SerialPort_write(SerialPort self, uint8_t* buffer, int startPos, int bufSize)
+{
+	//TODO assure minimum line idle time
+
+    self->lastError = SERIAL_PORT_ERROR_NONE;
+
+	DWORD numberOfBytesWritten;
+
+	BOOL status = WriteFile(self->comPort, buffer + startPos, bufSize, &numberOfBytesWritten, NULL);
+
+	if (status == false) {
+	    self->lastError = SERIAL_PORT_ERROR_UNKNOWN;
+	    return -1;
+	}
+
+	status = FlushFileBuffers(self->comPort);
+
+	if (status == false) {
+		printf("FlushFileBuffers failed!\n");
+	}
+
+	self->lastSentTime = Hal_getTimeInMs();
+
+	return (int) numberOfBytesWritten;
+}

src/CMakeLists.txt

@@ -195,27 +195,12 @@ set (lib_sv_SRCS
 )
 
 set (lib_linux_SRCS
-./hal/socket/linux/socket_linux.c
-./hal/ethernet/linux/ethernet_linux.c
-./hal/thread/linux/thread_linux.c
-./hal/filesystem/linux/file_provider_linux.c
-./hal/time/unix/time.c
 )
 
 set (lib_windows_SRCS
-./hal/socket/win32/socket_win32.c
-./hal/ethernet/win32/ethernet_win32.c
-./hal/thread/win32/thread_win32.c
-./hal/filesystem/win32/file_provider_win32.c
-./hal/time/win32/time.c
 )
 
 set (lib_bsd_SRCS
-./hal/socket/bsd/socket_bsd.c
-./hal/ethernet/bsd/ethernet_bsd.c
-./hal/thread/bsd/thread_bsd.c
-./hal/filesystem/linux/file_provider_linux.c
-./hal/time/unix/time.c
 )
 
 IF(WIN32)
@@ -324,6 +309,9 @@ set_target_properties(iec61850-shared PROPERTIES
            SOVERSION "${LIB_VERSION_MAJOR}.${LIB_VERSION_MINOR}.${LIB_VERSION_PATCH}"
 )
 
+target_link_libraries(iec61850-shared
+	hal-shared
+)
 
 GENERATE_EXPORT_HEADER(iec61850-shared
 			BASE_NAME iec61850-shared
@@ -334,6 +322,10 @@ GENERATE_EXPORT_HEADER(iec61850-shared
 
 add_library (iec61850 STATIC ${library_SRCS})
 
+target_link_libraries(iec61850
+	hal
+)
+
 IF(UNIX)
   IF (CONFIG_SYSTEM_HAS_CLOCK_GETTIME)
      target_link_libraries (iec61850