1 files changed, 67 insertions, 0 deletions
diff --git a/quellcode/versuch1/cpx.h b/quellcode/versuch1/cpx.h
new file mode 100755
index 0000000..bcdbe17
--- /dev/null
+++ b/quellcode/versuch1/cpx.h
@@ -0,0 +1,67 @@
+/**
+ *
+ * \file    cpx.h
+ * \brief   read and write DIO
+ *
+ * \author  Manuel Traut
+ * \version 2006-10-06
+ *
+ */
+
+#ifndef CPX_H
+#define CPX_H
+
+#include <iostream>
+
+#include <sys/mman.h>
+#include <sys/ioctl.h>
+#include <fcntl.h>
+#include <unistd.h>
+
+// Device Nodes
+#define CPX_Input     "/dev/iio2"
+#define CPX_Input_1   "/dev/iio2_in"
+#define CPX_Output_1  "/dev/iio2_out"
+
+// Memory Addresses
+#define PORT1_OUT     0x2c00
+#define PORT2_OUT     0x3c00
+#define PORT3_OUT     0x4c00
+
+#define PORT1_IN      0x5c00
+#define PORT2_IN      0x6c00
+#define PORT3_IN      0x7c00 
+
+#define PROT_READ     0x01
+#define PROT_WRITE    0x02
+#define MAP_SHARED    0x01
+#define MAP_PRIVATE   0x02
+
+// ioctl (file descriptor, CPX_DIO_IOCTL_SET_SIGNAL, irq_send_signal_param*)
+// enable sending signal on interrupt
+// cpx_dio_set_signal_param.signal = signal to be sent to process     
+#define CPX_DIO_IOCTL_BASE 0xCD
+
+typedef struct{
+    int signal; // signal to be sent
+    int pid;    // process id, signal should be sent to
+}cpx_dio_set_signal_param;
+
+#define CPX_DIO_IOCTL_ADD_SIG  _IOW(CPX_DIO_IOCTL_BASE, 3, cpx_dio_set_signal_param)
+#define CPX_DIO_IOCTL_DEL_SIG  _IOW(CPX_DIO_IOCTL_BASE, 4, cpx_dio_set_signal_param)
+
+class CPX{
+  public:
+    CPX();
+    void set(short port, short value);
+    short get(short port);
+  private:
+	int init();
+	unsigned char *mapped_in;
+    unsigned char *mapped_out;
+    volatile u_char *DOUT;
+    volatile u_char *DIN;
+    cpx_dio_set_signal_param param;
+};
+
+#endif