changed to pin mode to support softPwm.

[wiringPi.git] / gpio / gpio.c

diff --git a/gpio/gpio.c b/gpio/gpio.c
index 9b169218fce0c61581400fcd3332f35305607ddf..d941db5384ba03988f7b0cc526b95b75c2402bc0 100644 (file)
--- a/gpio/gpio.c
+++ b/gpio/gpio.c
@@ -43,15 +43,19 @@
 
 extern int wiringPiDebug ;
 
+// External functions I can't be bothered creating a separate .h file for:
+
 extern void doReadall    (void) ;
 extern void doReadallOld (void) ;
 
+extern void doPins       (void) ;
+
 #ifndef TRUE
 #  define      TRUE    (1==1)
 #  define      FALSE   (1==2)
 #endif
 
-#define        VERSION         "2.08"
+#define        VERSION         "2.14"
 #define        I2CDETECT       "/usr/sbin/i2cdetect"
 
 int wpMode ;
@@ -75,6 +79,25 @@ char *usage = "Usage: gpio -v\n"
              "       gpio gbw <channel> <value>" ;     // No trailing newline needed here.
 
 
+/*
+ * decodePin:
+ *     Decode a pin "number" which can actually be a pin name to represent
+ *     one of the Pi's on-board pins.
+ *********************************************************************************
+ */
+
+static int decodePin (const char *str)
+{
+
+// The first case - see if it's a number:
+
+  if (isdigit (str [0]))
+    return atoi (str) ;
+
+  return 0 ;
+}
+
+
 /*
  * changeOwner:
  *     Change the ownership of the file to the real userId of the calling
@@ -639,6 +662,15 @@ void doMode (int argc, char *argv [])
   else if (strcasecmp (mode, "down")   == 0) pullUpDnControl (pin, PUD_DOWN) ;
   else if (strcasecmp (mode, "tri")    == 0) pullUpDnControl (pin, PUD_OFF) ;
   else if (strcasecmp (mode, "off")    == 0) pullUpDnControl (pin, PUD_OFF) ;
+
+// Undocumented
+
+  else if (strcasecmp (mode, "alt0")    == 0) pinModeAlt (pin, 0b100) ;
+  else if (strcasecmp (mode, "alt1")    == 0) pinModeAlt (pin, 0b101) ;
+  else if (strcasecmp (mode, "alt2")    == 0) pinModeAlt (pin, 0b110) ;
+  else if (strcasecmp (mode, "alt3")    == 0) pinModeAlt (pin, 0b111) ;
+  else if (strcasecmp (mode, "alt4")    == 0) pinModeAlt (pin, 0b011) ;
+  else if (strcasecmp (mode, "alt5")    == 0) pinModeAlt (pin, 0b010) ;
   else
   {
     fprintf (stderr, "%s: Invalid mode: %s. Should be in/out/pwm/clock/up/down/tri\n", argv [1], mode) ;
@@ -1050,7 +1082,7 @@ int main (int argc, char *argv [])
   if (strcmp (argv [1], "-v") == 0)
   {
     printf ("gpio version: %s\n", VERSION) ;
-    printf ("Copyright (c) 2012-2013 Gordon Henderson\n") ;
+    printf ("Copyright (c) 2012-2014 Gordon Henderson\n") ;
     printf ("This is free software with ABSOLUTELY NO WARRANTY.\n") ;
     printf ("For details type: %s -warranty\n", argv [0]) ;
     printf ("\n") ;
@@ -1190,8 +1222,9 @@ int main (int argc, char *argv [])
   else if (strcasecmp (argv [1], "pwmr"     ) == 0) doPwmRange   (argc, argv) ;
   else if (strcasecmp (argv [1], "pwmc"     ) == 0) doPwmClock   (argc, argv) ;
   else if (strcasecmp (argv [1], "drive"    ) == 0) doPadDrive   (argc, argv) ;
-  else if (strcasecmp (argv [1], "readall"  ) == 0) doReadall    () ;
-  else if (strcasecmp (argv [1], "oreadall" ) == 0) doReadallOld () ;
+  else if (strcasecmp (argv [1], "readall"  ) == 0) doReadallOld () ;
+  else if (strcasecmp (argv [1], "nreadall" ) == 0) doReadall    () ;
+  else if (strcasecmp (argv [1], "pins"     ) == 0) doPins       () ;
   else if (strcasecmp (argv [1], "i2cdetect") == 0) doI2Cdetect  (argc, argv) ;
   else if (strcasecmp (argv [1], "i2cd"     ) == 0) doI2Cdetect  (argc, argv) ;
   else if (strcasecmp (argv [1], "reset"    ) == 0) doReset      (argv [0]) ;