You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
118 lines
2.9 KiB
118 lines
2.9 KiB
/* |
|
* piGlow.c: |
|
* Easy access to the Pimoroni PiGlow board. |
|
* |
|
* 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 <wiringPi.h> |
|
#include <sn3218.h> |
|
|
|
#include "piGlow.h" |
|
|
|
#define PIGLOW_BASE 577 |
|
|
|
static int leg0 [6] = { 6, 7, 8, 5, 4, 9 } ; |
|
static int leg1 [6] = { 17, 16, 15, 13, 11, 10 } ; |
|
static int leg2 [6] = { 0, 1, 2, 3, 14, 12 } ; |
|
|
|
|
|
/* |
|
* piGlow1: |
|
* Light up an individual LED |
|
********************************************************************************* |
|
*/ |
|
|
|
void piGlow1 (const int leg, const int ring, const int intensity) |
|
{ |
|
int *legLeds ; |
|
|
|
if ((leg < 0) || (leg > 2)) return ; |
|
if ((ring < 0) || (ring > 5)) return ; |
|
|
|
/**/ if (leg == 0) |
|
legLeds = leg0 ; |
|
else if (leg == 1) |
|
legLeds = leg1 ; |
|
else |
|
legLeds = leg2 ; |
|
|
|
analogWrite (PIGLOW_BASE + legLeds [ring], intensity) ; |
|
} |
|
|
|
/* |
|
* piGlowLeg: |
|
* Light up all 6 LEDs on a leg |
|
********************************************************************************* |
|
*/ |
|
|
|
void piGlowLeg (const int leg, const int intensity) |
|
{ |
|
int i ; |
|
int *legLeds ; |
|
|
|
if ((leg < 0) || (leg > 2)) |
|
return ; |
|
|
|
/**/ if (leg == 0) |
|
legLeds = leg0 ; |
|
else if (leg == 1) |
|
legLeds = leg1 ; |
|
else |
|
legLeds = leg2 ; |
|
|
|
for (i = 0 ; i < 6 ; ++i) |
|
analogWrite (PIGLOW_BASE + legLeds [i], intensity) ; |
|
} |
|
|
|
|
|
/* |
|
* piGlowRing: |
|
* Light up 3 LEDs in a ring. Ring 0 is the outermost, 5 the innermost |
|
********************************************************************************* |
|
*/ |
|
|
|
void piGlowRing (const int ring, const int intensity) |
|
{ |
|
if ((ring < 0) || (ring > 5)) |
|
return ; |
|
|
|
analogWrite (PIGLOW_BASE + leg0 [ring], intensity) ; |
|
analogWrite (PIGLOW_BASE + leg1 [ring], intensity) ; |
|
analogWrite (PIGLOW_BASE + leg2 [ring], intensity) ; |
|
} |
|
|
|
/* |
|
* piGlowSetup: |
|
* Initialise the board & remember the pins we're using |
|
********************************************************************************* |
|
*/ |
|
|
|
void piGlowSetup (int clear) |
|
{ |
|
sn3218Setup (PIGLOW_BASE) ; |
|
|
|
if (clear) |
|
{ |
|
piGlowLeg (0, 0) ; |
|
piGlowLeg (1, 0) ; |
|
piGlowLeg (2, 0) ; |
|
} |
|
}
|
|
|