light9 Changeset - f0e27aa8f0f5

Changeset - f0e27aa8f0f5

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drewp - 22 years ago 2003-06-13 06:13:31

attempt to make a better exception with getparport(). didn't help, afaict

1 file changed with 3 insertions and 1 deletions:

light8/parport.c

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light8/parport.c

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 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>
 #include <sys/ioctl.h>
 #include <asm/io.h>
 #include <fcntl.h>
 #include <Python.h>
-void getparport() {
+int getparport() {
     if( ioperm(888,3,1) ) {
       printf("Couldn't get parallel port at 888-890\n");
       // the following doesn't have any effect!
       PyErr_SetString(PyExc_IOError,"Couldn't get parallel port at 888-890");
       return 0;
+    }
     return 1;
+}
 void outdata(unsigned char val) {
   outb(val,888);
+}
 void outcontrol( unsigned char val ) {
   outb(val,890);
+}
 void outbyte( unsigned char val ) {
   // set data, raise clock, lower clock
   outdata(val);
   outcontrol(2);
   outcontrol(2);
   outcontrol(2);
   outcontrol(2);
   outcontrol(2);
   outcontrol(2);
   outcontrol(2);
   outcontrol(2);
   outcontrol(2);
   outcontrol(2);
   outcontrol(2);

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