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Fixed attribution rights for SAM delayMicroseconds function

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This commit is contained in:
Cristian Maglie
2014-09-16 12:29:36 +02:00
parent 44bcd2040b
commit 84518e442c
2 changed files with 6 additions and 1 deletions
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5
hardware/arduino/sam/cores/arduino/wiring.h
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@ -1,5 +1,6 @@
/*
Copyright (c) 2011 Arduino. All right reserved.
Copyright (c) 2013 by Paul Stoffregen <paul@pjrc.com> (delayMicroseconds)
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
@ -65,6 +66,10 @@ extern void delay( uint32_t dwMs ) ;
*/
static inline void delayMicroseconds(uint32_t) __attribute__((always_inline, unused));
static inline void delayMicroseconds(uint32_t usec){
/*
* Based on Paul Stoffregen's implementation
* for Teensy 3.0 (http://www.pjrc.com/)
*/
if (usec == 0) return;
uint32_t n = usec * (VARIANT_MCK / 3000000);
asm volatile(