Renamed remotely

git-svn-id: file:///srv/dev-disk-by-uuid-17e88007-4d0c-45e0-8757-cacfcc458630/repositories/svn/Diplomarbeit@106 9fe90eed-be63-e94b-8204-d34ff4c2ff93
2009-01-12 08:24:18 +00:00
parent ed37401c7e
commit 581bdc3e23
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+/* ---------------------------------------------------------------------------
+ * bus.c - v0.1                                       (c) 2007 Micro-key bv
+ * ---------------------------------------------------------------------------
+ * Micro-key bv
+ * Industrieweg 28, 9804 TG Noordhorn
+ * Postbus 92, 9800 AB Zuidhorn
+ * The Netherlands
+ * Tel: +31 594 503020
+ * Fax: +31 594 505825
+ * Email: support@microkey.nl  
+ * Web: www.microkey.nl
+ * ---------------------------------------------------------------------------
+ * Description: RS-485 bus driver
+ * ---------------------------------------------------------------------------
+ * Version(s):  0.1, 28-11-2007, fvds.
+ *                   Creation.
+ * ---------------------------------------------------------------------------
+ */
+
+/* ---------------------------------------------------------------------------
+ * System include files
+ * ---------------------------------------------------------------------------
+ */
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <termios.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+ 
+/* ---------------------------------------------------------------------------
+ * Application include files
+ * ---------------------------------------------------------------------------
+ */
+#include "bus.h"
+#include "protocolfunctions.h"
+
+
+/* ---------------------------------------------------------------------------
+ * Local constant and macro definitions
+ * ---------------------------------------------------------------------------
+ */
+#define BAUDRATE B38400
+#define BUS1_DEVICE "/dev/ttyPSC1"
+
+
+/* ---------------------------------------------------------------------------
+ * Global variable definitions
+ * ---------------------------------------------------------------------------
+ */
+
+/* ---------------------------------------------------------------------------
+ * Local variable definitions
+ * ---------------------------------------------------------------------------
+ */
+static int sigio_interrupt = 0;
+
+/* ---------------------------------------------------------------------------
+ * Local function definitions
+ * ---------------------------------------------------------------------------
+ */
+
+
+void   busInit (t_bus_devices device)
+{
+	struct termios newtio;
+
+    
+    bus1Handle = -1;
+    bus2Handle = -1;
+	
+	if (device == BUS1)
+	{        
+        bus1Handle = open(BUS1_DEVICE, (O_RDWR | O_NOCTTY | O_NONBLOCK));
+        if (bus1Handle == -1)
+            {
+            printf ("Failed to initialise bus interface\n");
+            }
+		//bus1Handle = open(BUS1_DEVICE, O_RDWR | O_NOCTTY | O_NONBLOCK);
+        if (bus1Handle < 0) 
+		{
+			perror(BUS1_DEVICE); 
+		}
+
+	}
+	
+	if (bus1Handle > 0)
+	{
+		bzero(&newtio, sizeof(newtio));
+		
+        newtio.c_cflag = BAUDRATE | CRTSCTS | CS8 | CLOCAL | CREAD;
+        newtio.c_iflag = IGNPAR;
+        newtio.c_oflag = 0;
+        
+        /* set input mode (non-canonical, no echo,...) */
+        newtio.c_lflag = 0;
+         
+        newtio.c_cc[VTIME]    = 0;   /* inter-character timer unused */
+        newtio.c_cc[VMIN]     = 5;   /* blocking read until 5 chars received */
+       
+
+        tcflush(bus1Handle, TCIFLUSH);
+        tcsetattr(bus1Handle,TCSANOW,&newtio);		
+	}
+}
+
+/** \brief Write data of a certain length to a serial port.*/  
+void busWrite (
+        t_bus_devices device, 
+        UINT16 length, /**< Lengh of data in bytes */ 
+        UINT8 *data   /**< Pointer to data */
+)
+{
+	int handle = (device == BUS1 ? bus1Handle: bus2Handle);
+	
+	write(handle, data, length);
+}
+
+/** \brief Reads data from serial port.
+    \retval Length of received data in bytes*/  
+UINT16 busRead (
+        t_bus_devices device, 
+        UINT8 * data /**< Pointer to data */
+)
+{
+	int handle = (device == BUS1 ? bus1Handle: bus2Handle);
+	
+	return read(handle, data, 255);
+}
+
+/** \brief Get byte from serial port.
+    \retval bool Returns true if there was data */
+BOOLEAN busGet(
+        t_bus_devices device,
+        UINT8 * byte /**< Pointer to byte to return data*/
+)
+{
+	int handle = (device == BUS1 ? bus1Handle: bus2Handle);
+	
+	return read(handle, byte, 1);
+}
+
+/** \brief Send byte to serial port. */
+void busPut(
+        t_bus_devices device, 
+        UINT8 value /**< Byte to send*/
+)
+{
+	int handle = (device == BUS1 ? bus1Handle: bus2Handle);
+	
+	write(handle, &value, 1);
+}
+
+/** \brief Flush serial port buffers. */
+void   busFlush(
+        t_bus_devices device
+)
+{
+	int handle = (device == BUS1 ? bus1Handle: bus2Handle);
+
+	tcflush(handle, TCIOFLUSH);  // Flushes both input as output
+}
+
+/** \brief Check if receive buffers is empty.
+    \retval bool Returns true if recieve buffer is empty */
+BOOLEAN busEmpty(
+        t_bus_devices device
+)
+{
+	return FALSE;
+}
+
+
+