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author | Michael Hope <michael.hope@linaro.org> | 2010-09-29 20:45:57 +1300 |
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committer | Michael Hope <michael.hope@linaro.org> | 2010-09-29 20:45:57 +1300 |
commit | 6fcd4cd306dbecf56f5b0b506a3c23762d1219fa (patch) | |
tree | 467125eca5a2e6706001cad8e09bc475e58a12d9 /wirish/wirish_shift.c | |
parent | 368e4fc1662c2594b2a0908900713a2555a3ed8e (diff) | |
parent | adde11b099ff5dad176e410279d21feac39d2c7e (diff) | |
download | librambutan-6fcd4cd306dbecf56f5b0b506a3c23762d1219fa.tar.gz librambutan-6fcd4cd306dbecf56f5b0b506a3c23762d1219fa.zip |
Merge remote branch 'upstream/master'
Diffstat (limited to 'wirish/wirish_shift.c')
-rw-r--r-- | wirish/wirish_shift.c | 54 |
1 files changed, 27 insertions, 27 deletions
diff --git a/wirish/wirish_shift.c b/wirish/wirish_shift.c index 884b560..f67364d 100644 --- a/wirish/wirish_shift.c +++ b/wirish/wirish_shift.c @@ -1,38 +1,38 @@ /* - wiring_shift.c - shiftOut() function - Part of Arduino - http://www.arduino.cc/ - - Copyright (c) 2005-2006 David A. Mellis - - This library 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 2.1 of the License, or (at your option) any later version. - - This library 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 this library; if not, write to the - Free Software Foundation, Inc., 59 Temple Place, Suite 330, - Boston, MA 02111-1307 USA - - $Id: wiring.c 248 2007-02-03 15:36:30Z mellis $ -*/ + * wiring_shift.c - shiftOut() function + * Part of Arduino - http://www.arduino.cc/ + * + * Copyright (c) 2005-2006 David A. Mellis + * + * This library 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 2.1 of + * the License, or (at your option) any later version. + * + * This library 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 this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 + * USA + * + * $Id: wiring.c 248 2007-02-03 15:36:30Z mellis $ + */ #include "wirish.h" -void shiftOut(uint8 dataPin, uint8 clockPin, uint8 bitOrder, uint8 val) -{ +void shiftOut(uint8 dataPin, uint8 clockPin, uint8 bitOrder, uint8 val) { int i; - for (i = 0; i < 8; i++) { - if (bitOrder == LSBFIRST) + for (i = 0; i < 8; i++) { + if (bitOrder == LSBFIRST) { digitalWrite(dataPin, !!(val & (1 << i))); - else + } else { digitalWrite(dataPin, !!(val & (1 << (7 - i)))); + } digitalWrite(clockPin, HIGH); digitalWrite(clockPin, LOW); |