#include <wiringPi.h>
#include <gertboard.h>
+extern int wiringPiDebug ;
+
#ifndef TRUE
# define TRUE (1==1)
# define FALSE (1==2)
#endif
-#define VERSION "1.5"
+#define VERSION "1.8"
static int wpMode ;
static void _doLoadUsage (char *argv [])
{
- fprintf (stderr, "Usage: %s load <spi/i2c>\n", argv [0]) ;
+ fprintf (stderr, "Usage: %s load <spi/i2c> [bufferSize in KB for spi]\n", argv [0]) ;
exit (1) ;
}
char *module1, *module2 ;
char cmd [80] ;
char *file1, *file2 ;
+ char spiBuf [32] ;
- if (argc != 3)
+ if (argc < 3)
_doLoadUsage (argv) ;
+ spiBuf [0] = 0 ;
+
/**/ if (strcasecmp (argv [2], "spi") == 0)
{
module1 = "spidev" ;
module2 = "spi_bcm2708" ;
file1 = "/dev/spidev0.0" ;
file2 = "/dev/spidev0.1" ;
+ if (argc == 4)
+ sprintf (spiBuf, " bufsize=%d", atoi (argv [3]) * 1024) ;
+ else if (argc > 4)
+ _doLoadUsage (argv) ;
+
}
else if (strcasecmp (argv [2], "i2c") == 0)
{
if (!moduleLoaded (module1))
{
- sprintf (cmd, "modprobe %s", module1) ;
+ sprintf (cmd, "modprobe %s%s", module1, spiBuf) ;
system (cmd) ;
}
{
int i ;
+ if (getenv ("WIRINGPI_DEBUG") != NULL)
+ {
+ printf ("gpio: wiringPi debug mode enabled\n") ;
+ wiringPiDebug = TRUE ;
+ }
+
if (argc == 1)
{
fprintf (stderr, "%s\n", usage) ;