Slight change to the gpio program to fix SPI buffer size when loading

the module.
Typo in gpio man page
Bug fixed in board revision detection (which would never happen
anyway, however)

People

@@ -22,3 +22,6 @@ Arno Wagner
 
 CHARLES Thibaut:
   A small issue in softTone
+
+Xian Stannard
+  Fixing some typos in the man page!

gpio/gpio.1

@@ -182,7 +182,7 @@ close as the Pi can manage) The default speed is 100Kb/sec.
 
 .TP
 .B load spi [buffer size in KB]
-This loads the the spi drivers into the kernel and changes the permissions
+This loads the spi drivers into the kernel and changes the permissions
 on the associated /dev/ entries so that the current user has access to
 them. Optionally it will set the SPI buffer size to that supplied. The
 default is 4KB.

gpio/gpio.c

@@ -42,7 +42,7 @@ extern int wiringPiDebug ;
 #  define	FALSE	(1==2)
 #endif
 
-#define	VERSION	"1.11"
+#define	VERSION	"1.12"
 
 static int wpMode ;
 
@@ -152,7 +152,7 @@ static void doLoad (int argc, char *argv [])
     file1  = "/dev/spidev0.0" ;
     file2  = "/dev/spidev0.1" ;
     if (argc == 4)
-      sprintf (args1, " bufsize=%d", atoi (argv [3]) * 1024) ;
+      sprintf (args1, " bufsiz=%d", atoi (argv [3]) * 1024) ;
     else if (argc > 4)
       _doLoadUsage (argv) ;
   }

wiringPi/wiringPi.c

@@ -475,9 +475,11 @@ int wpiPinToGpio (int wpiPin)
  *	0001 - Not used
  *	0002 - Rev 1
  *	0003 - Rev 1
- *	0004 - Rev 2
+ *	0004 - Rev 2 (Early reports?
- *	0005 - Rev 2 (but error)
+ *	0005 - Rev 2 (but error?)
  *	0006 - Rev 2
+ *	0008 - Rev 2 - Model A
+ *	000e - Rev 2 + 512MB
  *	000f - Rev 2 + 512MB
  *
  *	A small thorn is the olde style overvolting - that will add in
@@ -502,13 +504,11 @@ int piBoardRev (void)
   char *c, lastChar ;
   static int  boardRev = -1 ;
 
-// No point checking twice...
+  if (boardRev != -1)	// No point checking twice
-
-  if (boardRev != -1)
     return boardRev ;
 
   if ((cpuFd = fopen ("/proc/cpuinfo", "r")) == NULL)
-    return -1 ;
+    piBoardRevOops ("Unable to open /proc/cpuinfo") ;
 
   while (fgets (line, 120, cpuFd) != NULL)
     if (strncmp (line, "Revision", 8) == 0)
@@ -516,10 +516,11 @@ int piBoardRev (void)
 
   fclose (cpuFd) ;
 
-  if (line == NULL)
+  if (strncmp (line, "Revision", 8) != 0)
     piBoardRevOops ("No \"Revision\" line") ;
 
-  line [strlen (line) - 1] = 0 ; // Chomp LF
+  for (c = &line [strlen (line) - 1] ; (*c == '\n') || (*c == '\r') ; --c)
+    *c = 0 ;
   
   if (wiringPiDebug)
     printf ("piboardRev: Revision string: %s\n", line) ;

wiringPi/wiringPiISR.c

@@ -1,109 +0,0 @@
-/*
- * wiringPiISR.c:
- *	Simplified Interrupt Service Routine handling
- *	Copyright (c) 2013 Gordon Henderson
- ***********************************************************************
- * This file is part of wiringPi:
- *	https://projects.drogon.net/raspberry-pi/wiringpi/
- *
- *    wiringPi is free software: you can redistribute it and/or modify
- *    it under the terms of the GNU Lesser General Public License as
- *    published by the Free Software Foundation, either version 3 of the
- *    License, or (at your option) any later version.
- *
- *    wiringPi is distributed in the hope that it will be useful,
- *    but WITHOUT ANY WARRANTY; without even the implied warranty of
- *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *    GNU Lesser General Public License for more details.
- *
- *    You should have received a copy of the GNU Lesser General Public
- *    License along with wiringPi.
- *    If not, see <http://www.gnu.org/licenses/>.
- ***********************************************************************
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <fcntl.h>
-
-#include "wiringPi.h"
-
-
-
-static void (*isrFunctions [64])(void) ;
-static int    isrFds       [64] ;
-
-/*
- * interruptHandler:
- *	This is a thread and gets started to wait for the interrupt we're
- *	hoping to catch. It will call the user-function when the interrupt
- *	fires.
- *********************************************************************************
- */
-
-static void *interruptHandler (void *arg)
-{
-  int pin = *(int *)arg ;
-
-  (void)piHiPri (55) ;
-
-  for (;;)
-  {
-    if (waitForInterrupt (pin, -1) > 0)
-      isrFunctions [pin] () ;
-  }
-
-  return NULL ;
-}
-
-/*
- * wiringPiISR:
- *	Take the details and create an interrupt handler that will do a call-
- *	back to the user supplied function.
- *********************************************************************************
- */
-
-int wiringPiISR (int pin, int mode, void (*function)(void))
-{
-  pthread_t threadId ;
-  char command [64] ;
-
-  pin &= 63 ;
-
-  if (wiringPiMode == WPI_MODE_UNINITIALISED)
-  {
-    fprintf (stderr, "wiringPiISR: wiringPi has not been initialised. Unable to continue.\n") ;
-    exit (EXIT_FAILURE) ;
-  }
-  else if (wiringPiMode == WPI_MODE_PINS)
-    pin = pinToGpio [pin] ;
-
-
-  isrFunctions [pin] = function ;
-
-// Now export the pin and set the right edge
-
-  if (mode != INT_EDGE_SETUP)
-  {
-    /**/ if (mode == INT_EDGE_FALLING)
-      modes = "falling" ;
-    else if (mode == INT_EDGE_RISING)
-      modes = "rising" ;
-    else
-      modes = "both" ;
-
-    sprintf (command, "/usr/local/bin/gpio edge %d %s", pin, modes) ;
-    system (command) ;
-  }
-
-  sprintf (fName, "/sys/class/gpio/gpio%d/value", pin) ;
-  if ((isrFds [pin] = open (fName, O_RDWR)) < 0)
-    return -1 ;
-
-  {
-    fprintf ("std
-
-  pthread_create (&threadId, NULL, interruptHandler, &pin) ;
-}
-
-