Moved remotely

git-svn-id: file:///srv/dev-disk-by-uuid-17e88007-4d0c-45e0-8757-cacfcc458630/repositories/svn/Diplomarbeit@113 9fe90eed-be63-e94b-8204-d34ff4c2ff93
2009-01-12 08:38:14 +00:00
parent 4e45654a5f
commit 6cc948eef8
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+/* ---------------------------------------------------------------------------
+ * serial.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: Serial port interface.
+ * ---------------------------------------------------------------------------
+ * Version(s):  0.1, 28-11-2007, fvds.
+ *                   Creation.
+ * ---------------------------------------------------------------------------
+ */
+
+/* ---------------------------------------------------------------------------
+ * System include files
+ * ---------------------------------------------------------------------------
+ */
+#include <stdio.h>
+#include <stdlib.h>
+
+
+/* ---------------------------------------------------------------------------
+ * Application include files
+ * ---------------------------------------------------------------------------
+ */
+#include "LPC23xx.h"
+#include "types.h"
+#include "serial.h"
+#include "armVIC.h"
+#include "uart.h"
+
+/* FreeRTOS includes */
+
+/* ---------------------------------------------------------------------------
+ * Local constant and macro definitions
+ * ---------------------------------------------------------------------------
+ */
+#define NR_OF_COMPORTS        2
+
+
+/* ---------------------------------------------------------------------------
+ * Global variable definitions
+ * ---------------------------------------------------------------------------
+ */
+
+/* ---------------------------------------------------------------------------
+ * Local variable definitions
+ * ---------------------------------------------------------------------------
+ */
+
+/* ---------------------------------------------------------------------------
+ * Local function definitions
+ * ---------------------------------------------------------------------------
+ */
+
+
+/** \brief Initialize of serial interface.*/  
+void   serInit (
+  t_serial_devices device, 
+  UINT16 baudrate, /**< baudrate: B1200, B9600, B19200, B38400, B57600, B115200*/
+  UINT8 mode, /**< mode: UART_8N1, UART_7N1, UART_8N2, UART_7N2, UART_8E1, 
+                         UART_7E1, UART_8E2, UART_7E2, UART_8O1, UART_7O1, 
+                         UART_8O2, UART_7O2 */
+  UINT8 fmode /**< fmode: UART_FIFO_OFF, UART_FIFO_1, UART_FIFO_4, UART_FIFO_8, 
+                          UART_FIFO_14*/
+)
+{
+	switch( device )
+	{
+	case(COM1):
+		uart0Init( baudrate, mode, fmode );
+		break;
+	case(COM2):
+		uart1Init( baudrate, mode, fmode );
+	
+	    // Enable Handshake lines as well
+        U1_CTS_PINSEL_REG = ( U1_CTS_PINSEL_REG & ~U1_CTS_PINMASK ) | U1_CTS_PINSEL;
+        U1_RTS_PINSEL_REG = ( U1_RTS_PINSEL_REG & ~U1_RTS_PINMASK ) | U1_RTS_PINSEL;
+
+		break;
+	}
+	
+}
+
+/** \brief Write data of a certain length to a serial port.*/  
+void serWrite (
+  t_serial_devices device, 
+  UINT16 length, /**< Lengh of data in bytes */ 
+  UINT8 * data   /**< Pointer to data */
+)
+{
+	switch( device )
+	{
+	case(COM1):
+		uart0Write( (char *)data, length);
+		break;
+	case(COM2):
+		uart1Write( (char *)data, length);
+		break;
+	}
+}
+
+/** \brief Reads data from serial port.
+    \retval Lengt of received data in bytes*/  
+UINT16 serRead (
+  t_serial_devices device, 
+  UINT8 * data /**< Pointer to data */
+)
+{
+    UINT16 bytesReceived = 0;
+    BOOLEAN receivedSomething;
+    
+    do
+        {
+        receivedSomething = serGet( device, &(data[bytesReceived]));
+        if (receivedSomething)
+            bytesReceived++;
+        } while(receivedSomething);
+    
+	return bytesReceived;
+}
+
+/** \brief Get byte from serial port.
+    \retval bool Returns true if there was data */
+BOOLEAN serGet(
+  t_serial_devices device,
+  UINT8 * byte /**< Pointer to byte to return data*/
+)
+{
+	int receivedChar = -1;
+	
+	switch( device )
+		{
+		case(COM1):
+			receivedChar = uart0Getch();
+			break;
+		case(COM2):
+			receivedChar = uart1Getch();
+			break;
+		}
+	
+	if (receivedChar >= 0)
+		{
+		*byte = (UINT8)receivedChar;
+		return TRUE;
+		}
+	else
+		{
+		return FALSE;
+		}
+}
+
+/** \brief Send byte to serial port. */
+void serPut(
+  t_serial_devices device, 
+  UINT8 value /**< Byte to send*/
+)
+{
+	switch( device )
+		{
+		case(COM1):
+			uart0Putch( value );
+			break;
+		case(COM2):
+			uart1Putch( value );
+			break;
+		}
+
+}
+
+/** \brief Flush serial port buffers. */
+void   serFlush(
+  t_serial_devices device
+)
+{
+	switch( device )
+		{
+		case(COM1):
+			uart0TxFlush( );
+			break;
+		case(COM2):
+			uart1TxFlush( );
+			break;
+		}
+	
+}
+
+/** \brief Check if receive buffers is empty.
+    \retval bool Returns true if recieve buffer is empty */
+BOOLEAN serEmpty(
+  t_serial_devices device
+)
+{
+	switch( device )
+		{
+		case(COM1):
+			return (uart0RxEmpty( ) != 0);
+			break;
+		case(COM2):
+			return (uart1RxEmpty( ) != 0);
+			break;
+		}
+
+	return FALSE;
+}
+
+
+RESULT serSetModemControl( 
+  t_serial_devices device,
+  BOOLEAN enable             
+)
+{
+    if (device == COM2)
+        {
+        if (enable == TRUE)
+            {
+            U1MCR |= (UMCR_RTS_EN | UMCR_CTS_EN); 
+            }
+        else
+            {
+            U1MCR &= ~(UMCR_RTS_EN | UMCR_CTS_EN); 
+            }
+        
+        return OK;
+        }
+    else
+        {
+        return ERROR;
+        }
+}