From 8ca829501528bb3895be055cece3af6a99dac0eb Mon Sep 17 00:00:00 2001 From: patacongo Date: Thu, 7 Apr 2011 21:22:06 +0000 Subject: I2C fixes from Uros; USB serial fix from Sheref; + A little more kernel mode stuff git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3479 42af7a65-404d-4744-a932-0658087f49c3 --- nuttx/arch/arm/src/stm32/stm32_waste.c | 84 ++++++++++++++++++++++++++++++++++ 1 file changed, 84 insertions(+) create mode 100755 nuttx/arch/arm/src/stm32/stm32_waste.c (limited to 'nuttx/arch/arm/src/stm32/stm32_waste.c') diff --git a/nuttx/arch/arm/src/stm32/stm32_waste.c b/nuttx/arch/arm/src/stm32/stm32_waste.c new file mode 100755 index 000000000..057e2eb37 --- /dev/null +++ b/nuttx/arch/arm/src/stm32/stm32_waste.c @@ -0,0 +1,84 @@ +/**************************************************************************** + * arch/arm/src/stm32/stm32_waste.c + * + * Copyright (C) 2011 Uros Platise. All rights reserved. + * Author: Uros Platise + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include +#include + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ + +/**************************************************************************** + * Private Data + ****************************************************************************/ + +/**************************************************************************** + * Public Data + ****************************************************************************/ + +uint32_t idle_wastecounter = 0; + +/**************************************************************************** + * Private Functions + ****************************************************************************/ + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: up_waste + * + * Description: + * up_waste() is the logic that will be executed when portions of kernel + * or user-app is polling some register or similar, waiting for desired + * status. This time is wasted away. This function offers a measure of + * badly written piece of software or some undesired behavior. + * + * At the same time this function adds to some IDLE time which portion + * cannot be used for other purposes (yet). + * + ****************************************************************************/ + +void up_waste(void) +{ + idle_wastecounter++; +} + + -- cgit v1.2.3