Updated wiringPi.c to work with some pullUpDown stuff

[wiringPi.git] / wiringPi / wiringPi.c

diff --git a/wiringPi/wiringPi.c b/wiringPi/wiringPi.c
index 35717ef7c07237f510c95e18385dc7e3b69b9f74..fb5e7c68f6e37205c14fb323101ce440d0b7f10c 100644 (file)
--- a/wiringPi/wiringPi.c
+++ b/wiringPi/wiringPi.c
@@ -402,7 +402,8 @@ void pinModeGpio (int pin, int mode)
 
 // When we change mode of any pin, we remove the pull up/downs
 
-  pullUpDnControl (pin, PUD_OFF) ;
+//  delayMicroseconds (300) ;
+//  pullUpDnControl (pin, PUD_OFF) ;
 }
 
 void pinModeWPi (int pin, int mode)
@@ -479,24 +480,19 @@ void digitalWriteSys (int pin, int value)
  *********************************************************************************
  */
 
-void pwmWriteWPi (int pin, int value)
+void pwmWriteGpio (int pin, int value)
 {
   int port ;
 
-  pin  = pinToGpio [pin & 63] ;
+  pin  = pin & 63 ;
   port = gpioToPwmPort [pin] ;
 
   *(pwm + port) = value & 0x3FF ;
 }
 
-void pwmWriteGpio (int pin, int value)
+void pwmWriteWPi (int pin, int value)
 {
-  int port ;
-
-  pin  = pin & 63 ;
-  port = gpioToPwmPort [pin] ;
-
-  *(pwm + port) = value & 0x3FF ;
+  pwmWriteGpio (pinToGpio [pin & 63], value) ;
 }
 
 void pwmWriteSys (int pin, int value)
@@ -588,28 +584,21 @@ int digitalReadSys (int pin)
  *********************************************************************************
  */
 
-void pullUpDnControlWPi (int pin, int pud)
+void pullUpDnControlGpio (int pin, int pud)
 {
-  pin  = pinToGpio [pin & 63] ;
+  pin &= 63 ;
   pud &=  3 ;
 
-  *(gpio + GPPUD)              = pud ;                 delayMicroseconds (10) ;
-  *(gpio + gpioToPUDCLK [pin]) = 1 << (pin & 31) ;     delayMicroseconds (10) ;
+  *(gpio + GPPUD)              = pud ;                 delayMicroseconds (5) ;
+  *(gpio + gpioToPUDCLK [pin]) = 1 << (pin & 31) ;     delayMicroseconds (5) ;
   
-  *(gpio + GPPUD)              = 0 ;
-  *(gpio + gpioToPUDCLK [pin]) = 0 ;
+  *(gpio + GPPUD)              = 0 ;                   delayMicroseconds (5) ;
+  *(gpio + gpioToPUDCLK [pin]) = 0 ;                   delayMicroseconds (5) ;
 }
 
-void pullUpDnControlGpio (int pin, int pud)
+void pullUpDnControlWPi (int pin, int pud)
 {
-  pin &= 63 ;
-  pud &=  3 ;
-
-  *(gpio + GPPUD)              = pud ;                 delayMicroseconds (10) ;
-  *(gpio + gpioToPUDCLK [pin]) = 1 << (pin & 31) ;     delayMicroseconds (10) ;
-  
-  *(gpio + GPPUD)              = 0 ;
-  *(gpio + gpioToPUDCLK [pin]) = 0 ;
+  pullUpDnControlGpio (pinToGpio [pin & 63], pud) ;
 }
 
 void pullUpDnControlSys (int pin, int pud)
@@ -685,6 +674,7 @@ void delay (unsigned int howLong)
   nanosleep (&sleeper, &dummy) ;
 }
 
+
 /*
  * delayMicroseconds:
  *     This is somewhat intersting. It seems that on the Pi, a single call
@@ -977,5 +967,3 @@ int wiringPiSetupSys (void)
 
   return 0 ;
 }
-
-