#include "piGlow.h"
-static int myBase ;
+#define PIGLOW_BASE 577
static int leg0 [6] = { 6, 7, 8, 5, 4, 9 } ;
static int leg1 [6] = { 17, 16, 15, 13, 11, 10 } ;
else
legLeds = leg2 ;
- analogWrite (myBase + legLeds [ring], intensity) ;
+ analogWrite (PIGLOW_BASE + legLeds [ring], intensity) ;
}
/*
void piGlowLeg (const int leg, const int intensity)
{
- int i ;
+ int i ;
int *legLeds ;
if ((leg < 0) || (leg > 2))
legLeds = leg2 ;
for (i = 0 ; i < 6 ; ++i)
- analogWrite (myBase + legLeds [i], intensity) ;
+ analogWrite (PIGLOW_BASE + legLeds [i], intensity) ;
}
if ((ring < 0) || (ring > 5))
return ;
- analogWrite (myBase + leg0 [ring], intensity) ;
- analogWrite (myBase + leg1 [ring], intensity) ;
- analogWrite (myBase + leg2 [ring], intensity) ;
+ analogWrite (PIGLOW_BASE + leg0 [ring], intensity) ;
+ analogWrite (PIGLOW_BASE + leg1 [ring], intensity) ;
+ analogWrite (PIGLOW_BASE + leg2 [ring], intensity) ;
}
/*
*********************************************************************************
*/
-void piGlowSetup (const int pinBase)
+void piGlowSetup (int clear)
{
- sn3218Setup (myBase = pinBase) ;
-
-// Turn all off to start with
-
- piGlowLeg (0, 0) ;
- piGlowLeg (1, 0) ;
- piGlowLeg (2, 0) ;
+ sn3218Setup (PIGLOW_BASE) ;
+
+ if (clear)
+ {
+ piGlowLeg (0, 0) ;
+ piGlowLeg (1, 0) ;
+ piGlowLeg (2, 0) ;
+ }
}
#define PIGLOW_BASE 533
+#ifndef TRUE
+# define TRUE (1==1)
+# define FALSE (!TRUE)
+#endif
+
/*
* keypressed: clearKeypressed:
}
}
+#define LEG_STEPS 3
+
+static int legSequence [] =
+{
+ 4, 12, 99,
+ 99, 4, 12,
+ 12, 99, 4,
+} ;
+
+
+#define RING_STEPS 16
+
+static int ringSequence [] =
+{
+ 0, 0, 0, 0, 0, 64,
+ 0, 0, 0, 0, 64, 64,
+ 0, 0, 0, 64, 64, 0,
+ 0, 0, 64, 64, 0, 0,
+ 0, 64, 64, 0, 0, 0,
+ 64, 64, 0, 0, 0, 0,
+ 64, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0,
+ 64, 0, 0, 0, 0, 0,
+ 64, 64, 0, 0, 0, 0,
+ 0, 64, 64, 0, 0, 0,
+ 0, 0, 64, 64, 0, 0,
+ 0, 0, 0, 64, 64, 0,
+ 0, 0, 0, 0, 64, 64,
+ 0, 0, 0, 0, 0, 64,
+ 0, 0, 0, 0, 0, 0,
+} ;
/*
* main:
int main (void)
{
int i ;
- int ring, leg ;
+ int step, ring, leg ;
// Always initialise wiringPi:
// Use the Sys method if you don't need to run as root
// Initialise the piGlow devLib with our chosen pin base
- piGlowSetup (PIGLOW_BASE) ;
+ piGlowSetup (1) ;
// LEDs, one at a time
// Sequence - alternating rings, legs and random
printf ("Sequence now\n") ;
-
for (; !keypressed () ;)
{
for (i = 0 ; i < 20 ; ++i)
- for (leg = 2 ; leg >= 0 ; --leg)
+ for (step = 0 ; step < LEG_STEPS ; ++step)
{
- piGlowLeg (leg, 100) ;
- delay (100) ;
- piGlowLeg (leg, 0) ;
+ for (leg = 0 ; leg < 3 ; ++leg)
+ piGlowLeg (leg, legSequence [step * 3 + leg]) ;
+ delay (80) ;
}
- for (i = 0 ; i < 20 ; ++i)
- for (ring = 5 ; ring >= 0 ; --ring)
+ for (i = 0 ; i < 10 ; ++i)
+ for (step = 0 ; step < RING_STEPS ; ++step)
{
- piGlowRing (ring, 100) ;
- delay (50) ;
- piGlowRing (ring, 0) ;
+ for (ring = 0 ; ring < 6 ; ++ring)
+ piGlowRing (ring, ringSequence [step * 6 + ring]) ;
+ delay (80) ;
}
for (i = 0 ; i < 1000 ; ++i)
{
- leg = random () % 3 ;
+ leg = random () % 3 ;
ring = random () % 6 ;
piGlow1 (leg, ring, random () % 256) ;
delay (5) ;
--- /dev/null
+/*
+ * piglow.c:
+ * Very simple demonstration of the PiGlow board.
+ * This uses the piGlow devLib.
+ *
+ * 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 <string.h>
+#include <stdlib.h>
+
+#ifndef TRUE
+# define TRUE (1==1)
+# define FALSE (!TRUE)
+#endif
+
+#include <wiringPi.h>
+#include <piGlow.h>
+
+static void failUsage (void)
+{
+ fprintf (stderr, "Usage examples:\n") ;
+ fprintf (stderr, " piglow off # All off\n") ;
+ fprintf (stderr, " piglow red 50 # Light the 3 red LEDs to 50%%\n") ;
+ fprintf (stderr, " colours are: red, yellow, orange, green, blue and white\n") ;
+ fprintf (stderr, " piglow all 75 # Light all to 75%%\n") ;
+ fprintf (stderr, " piglow leg 0 25 # Light leg 0 to 25%%\n") ;
+ fprintf (stderr, " piglow ring 3 100 # Light ring 3 to 100%%\n") ;
+ fprintf (stderr, " piglow led 2 5 100 # Light the single LED on Leg 2, ring 5 to 100%%\n") ;
+
+ exit (EXIT_FAILURE) ;
+}
+
+static int getPercent (char *typed)
+{
+ int percent ;
+
+ percent = atoi (typed) ;
+ if ((percent < 0) || (percent > 100))
+ {
+ fprintf (stderr, "piglow: percent value out of range\n") ;
+ exit (EXIT_FAILURE) ;
+ }
+ return (percent * 255) / 100 ;
+}
+
+
+/*
+ * main:
+ * Our little demo prgoram
+ *********************************************************************************
+ */
+
+int main (int argc, char *argv [])
+{
+ int percent ;
+ int ring, leg ;
+
+// Always initialise wiringPi:
+// Use the Sys method if you don't need to run as root
+
+ wiringPiSetupSys () ;
+
+// Initialise the piGlow devLib
+
+ piGlowSetup (FALSE) ;
+
+ if (argc == 1)
+ failUsage () ;
+
+ if ((argc == 2) && (strcasecmp (argv [1], "off") == 0))
+ {
+ for (leg = 0 ; leg < 3 ; ++leg)
+ piGlowLeg (leg, 0) ;
+ return 0 ;
+ }
+
+ if (argc == 3)
+ {
+ percent = getPercent (argv [2]) ;
+
+ /**/ if (strcasecmp (argv [1], "red") == 0)
+ piGlowRing (PIGLOW_RED, percent) ;
+ else if (strcasecmp (argv [1], "yellow") == 0)
+ piGlowRing (PIGLOW_YELLOW, percent) ;
+ else if (strcasecmp (argv [1], "orange") == 0)
+ piGlowRing (PIGLOW_ORANGE, percent) ;
+ else if (strcasecmp (argv [1], "green") == 0)
+ piGlowRing (PIGLOW_GREEN, percent) ;
+ else if (strcasecmp (argv [1], "blue") == 0)
+ piGlowRing (PIGLOW_BLUE, percent) ;
+ else if (strcasecmp (argv [1], "white") == 0)
+ piGlowRing (PIGLOW_WHITE, percent) ;
+ else if (strcasecmp (argv [1], "all") == 0)
+ for (ring = 0 ; ring < 6 ; ++ring)
+ piGlowRing (ring, percent) ;
+ else
+ {
+ fprintf (stderr, "piglow: invalid colour\n") ;
+ exit (EXIT_FAILURE) ;
+ }
+ return 0 ;
+ }
+
+ if (argc == 4)
+ {
+ /**/ if (strcasecmp (argv [1], "leg") == 0)
+ {
+ leg = atoi (argv [2]) ;
+ if ((leg < 0) || (leg > 2))
+ {
+ fprintf (stderr, "piglow: leg value out of range\n") ;
+ exit (EXIT_FAILURE) ;
+ }
+ percent = getPercent (argv [3]) ;
+ piGlowLeg (leg, percent) ;
+ }
+ else if (strcasecmp (argv [1], "ring") == 0)
+ {
+ ring = atoi (argv [2]) ;
+ if ((ring < 0) || (ring > 5))
+ {
+ fprintf (stderr, "piglow: ring value out of range\n") ;
+ exit (EXIT_FAILURE) ;
+ }
+ percent = getPercent (argv [3]) ;
+ piGlowRing (ring, percent) ;
+ }
+ return 0 ;
+ }
+
+ if (argc == 5)
+ {
+ if (strcasecmp (argv [1], "led") != 0)
+ failUsage () ;
+
+ leg = atoi (argv [2]) ;
+ if ((leg < 0) || (leg > 2))
+ {
+ fprintf (stderr, "piglow: leg value out of range\n") ;
+ exit (EXIT_FAILURE) ;
+ }
+ ring = atoi (argv [3]) ;
+ if ((ring < 0) || (ring > 5))
+ {
+ fprintf (stderr, "piglow: ring value out of range\n") ;
+ exit (EXIT_FAILURE) ;
+ }
+ percent = getPercent (argv [4]) ;
+ piGlow1 (leg, ring, percent) ;
+ return 0 ;
+ }
+
+ failUsage () ;
+ return 0 ;
+}
+
+