removed extraneous files, stm32lib examples

git-svn-id: https://leaflabs.googlecode.com/svn/trunk/library@70 749a229e-a60e-11de-b98f-4500b42dc123

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diff --git a/src/stm32lib/examples/NVIC/Priority/readme.txt b/src/stm32lib/examples/NVIC/Priority/readme.txt
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-/******************** (C) COPYRIGHT 2008 STMicroelectronics ********************

-* File Name          : readme.txt

-* Author             : MCD Application Team

-* Version            : V2.0.1

-* Date               : 06/13/2008

-* Description        : Description of the NVIC Priority Example.

-********************************************************************************

-* THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS

-* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME.

-* AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT,

-* INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE

-* CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING

-* INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.

-*******************************************************************************/

-

-Example description

-===================

-This example demontrates the use of the Nested Vectored Interrupt Controller (NVIC): 

-

-- Configuration of 2 EXTI Lines (Wakeup button EXTI Line & Key button EXTI Line)

-  to generate an interrupt on each falling edge and use the SysTick interrupt.

-- These interrupts are configured with the following parameters:

-  Wakeup button EXTI Line: o PreemptionPriority = PreemptionPriorityValue

-                           o SubPriority = 0

-  Key button EXTI Line:    o PreemptionPriority = 0

-                           o SubPriority = 1           

-  SysTick Handler: o PreemptionPriority = !PreemptionPriorityValue

-                   o SubPriority = 0             

-First, the PreemptionPriorityValue is equal to 0, the Wakeup button EXTI Line 

-has higher preemption priority than the SysTick handler. 

-

-In the key button EXTI Line interrupt routine the Wakeup button EXTI Line and 

-SysTick preemption priorities are inverted. 

-In the Wakeup button EXTI Line interrupt routine the pending bit of the SysTick 

-interrupt is set this will cause SysTick ISR to preempt the Wakeup button EXTI 

-Line ISR only if it has higher preemption priority.

-

-The system behaves as following: 

-1) The first time Key button EXTI Line interrupt occurs the SysTick preemption 

-become higher than Wakeup button EXTI Line one. So when the Wakeup button EXTI 

-Line interrupt occurs, the SysTick ISR is executed and the PreemptionOccured 

-variable become TRUE and the four leds (LD1, LD2, LD3, LD4) start toggling.

-

-2) When the next Key button EXTI Line interrupt occurs the SysTick preemption

-become lower than Wakeup button EXTI Line one. So when the Wakeup button EXTI Line

-interrupt occurs, the PreemptionOccured variable became FALSE and the four leds

-(LD1, LD2, LD3, LD4) stop toggling.

-

-Then this behavior is repeated from point 1) in an infinite loop.

-

-

-Directory contents

-==================

-platform_config.h    Evaluation board specific configuration file

-stm32f10x_conf.h     Library Configuration file

-stm32f10x_it.c       Interrupt handlers

-stm32f10x_it.h       Interrupt handlers header file

-main.c               Main program

-

-

-Hardware environment

-====================

-This example runs on STMicroelectronics STM3210B-EVAL and STM3210E-EVAL evaluation

-boards and can be easily tailored to any other hardware.

-To select the STMicroelectronics evaluation board used to run the example, uncomment

-the corresponding line in platform_config.h file.

-

- + STM3210B-EVAL 

-    - Use LD1, LD2, LD3 and LD4 leds connected respectively to PC.06, PC.07, PC.08

-      and PC.09 pins

-    - Use the Key push-button connected to pin PB.09 (EXTI Line9).

-    - Use the Wakeup push-button connected to pin PA.00 (EXTI Line0).         

- 

- + STM3210E-EVAL

-    - Use LD1, LD2, LD3 and LD4 leds connected respectively to PF.06, PF0.7, PF.08

-      and PF.09 pins

-    - Use the Key push-button connected to pin PG.08 (EXTI Line8).

-    - Use the Wakeup push-button connected to pin PA.00 (EXTI Line0).

- 

-    

-How to use it

-=============

-In order to make the program work, you must do the following :

-- Create a project and setup all your toolchain's start-up files

-- Compile the directory content files and required Library files :

-  + stm32f10x_lib.c

-  + stm32f10x_exti.c

-  + stm32f10x_gpio.c

-  + stm32f10x_rcc.c

-  + stm32f10x_nvic.c

-  + stm32f10x_flash.c

-    

-- Link all compiled files and load your image into target memory

-- Run the example

-

-

-******************* (C) COPYRIGHT 2008 STMicroelectronics *****END OF FILE******