Diff: 310-TMC3-TestHW/rs232.h

Revision:

0:c92ca0229c9a

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/310-TMC3-TestHW/rs232.h	Fri May 09 11:30:55 2014 +0000
@@ -0,0 +1,61 @@
+#include "mbed.h"
+
+
+
+//---------------------------------------
+// Definitions
+//---------------------------------------
+#define RS232_BUFFER_LENGTH      256
+#define RS232_RX_TIMEOUT_US      50000
+#define RS232_BAUDRATE           9600
+#define RS232_BITS               8
+#define RS232_STOPBIT            1
+
+
+//---------------------------------------
+// Enums
+//---------------------------------------
+typedef enum
+{
+    RS232_MODE_LISTEN,
+    RS232_MODE_RX_READY,
+    //-----------------
+    CNT_eRS232_mode
+}eRS232_mode;
+
+
+
+//---------------------------------------
+// Structures
+//---------------------------------------
+typedef struct
+{
+    eRS232_mode mode;           // mode of RS232 hardware
+    char *ptrReadPositon;       // actual read position in buffer
+    int   bytesToRead;          // Number of received bytes
+}sRS232_handler;
+
+
+
+//---------------------------------------
+// Global Variables
+//---------------------------------------
+
+
+
+//---------------------------------------
+// Global Functions
+//---------------------------------------
+void RS232_init( void );                                 // Init hardware and internal buffer
+
+
+int RS232_receiveData( char *& ptrData, int *ptrNumBytes );     // "char *&" = reference to pointer !!
+                                                                // return pointer to buffer and number of received bytes
+                                                                // Return 1: New data available, get pointer to buffer and number of bytes to read
+                                                                // Return 0: No new data available
+int RS232_sendData( char *ptrData, int NumBytes );      // send data NumBytes bytes from source pointer: ptrData
+                                                            // Return 1: Sending was successfull
+                                                            // Return 0: Could not send data, eithter to many bytes, zero bytes or UART is still listining
+
+void RS232_setRTS( int level);
+int RS232_getCTS( void );
\ No newline at end of file