| /* |
| io.c -- Test the serial I/O. |
| */ |
| |
| #define BUFSIZE 80 |
| #include <stdio.h> |
| |
| main() |
| { |
| char buf[100]; |
| char *tmp; |
| int result; |
| |
| /* test the lowest level output function */ |
| result = outbyte ('&'); |
| if (result != 0x0) { |
| pass ("outbyte"); |
| } else { |
| fail ("outbyte"); |
| } |
| |
| /* try writing a string */ |
| result = write ("Write Test:\n", 12); |
| print ("result was "); |
| putnum (result); |
| outbyte ('\n'); |
| if (result == 12) { |
| pass ("write"); |
| } else { |
| fail ("write"); |
| } |
| |
| /* try the print() function too */ |
| result = print ("Print Test:\n"); |
| print ("result was "); |
| putnum (result); |
| outbyte ('\n'); |
| if (result == 12) { |
| pass ("print"); |
| } else { |
| fail ("print"); |
| } |
| |
| /* try the iprintf() function too */ |
| result = print ("Iprintf Test:\n"); |
| print ("result was "); |
| putnum (result); |
| outbyte ('\n'); |
| if (result == 14) { |
| pass ("iprintf"); |
| } else { |
| fail ("iprintf"); |
| } |
| |
| /* try to read a string */ |
| print ("Type 5 characters"); |
| |
| result = 0; |
| result = read (0, buf, 5); |
| print (buf); |
| if (result == 5) { |
| pass ("read"); |
| } else { |
| fail ("read"); |
| } |
| |
| /* clear everything out */ |
| fflush (stdout); |
| } |
| |
| |